diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fc4aab5bed..078daee850 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -219,6 +219,7 @@ jobs:
- "stm32f411ce_blackpill"
- "stm32f411ve_discovery"
- "stm32f412zg_discovery"
+ - "stm32f4_discovery"
- "stringcar_m0_express"
- "teensy40"
- "teknikio_bluebird"
diff --git a/ports/stm32f4/boards/STM32F407_fs.ld b/ports/stm32f4/boards/STM32F407_fs.ld
new file mode 100644
index 0000000000..7f7c917846
--- /dev/null
+++ b/ports/stm32f4/boards/STM32F407_fs.ld
@@ -0,0 +1,108 @@
+/*
+ GNU linker script for STM32F405 via Micropython
+*/
+
+/* Specify the memory areas */
+MEMORY
+{
+ FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K /* entire flash */
+ FLASH_ISR (rx) : ORIGIN = 0x08000000, LENGTH = 16K /* sector 0 */
+ FLASH_FS (rx) : ORIGIN = 0x08004000, LENGTH = 48K /* sectors 1,2,3 are 16K */
+ FLASH_TEXT (rx) : ORIGIN = 0x08010000, LENGTH = 960K /* sector 4 is 64K, sectors 5,6,7 are 128K */
+ CCMRAM (xrw) : ORIGIN = 0x10000000, LENGTH = 64K
+ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
+}
+
+/* produce a link error if there is not this amount of RAM for these sections */
+_minimum_stack_size = 2K;
+_minimum_heap_size = 16K;
+
+/* Define tho top end of the stack. The stack is full descending so begins just
+ above last byte of RAM. Note that EABI requires the stack to be 8-byte
+ aligned for a call. */
+_estack = ORIGIN(RAM) + LENGTH(RAM);
+
+/* RAM extents for the garbage collector */
+_ram_start = ORIGIN(RAM);
+_ram_end = ORIGIN(RAM) + LENGTH(RAM);
+
+ENTRY(Reset_Handler)
+
+/* define output sections */
+SECTIONS
+{
+ /* The startup code goes first into FLASH */
+ .isr_vector :
+ {
+ . = ALIGN(4);
+ KEEP(*(.isr_vector)) /* Startup code */
+
+ /* This first flash block is 16K annd the isr vectors only take up
+ about 400 bytes. Micropython pads this with files, but this didn't
+ work with the size of Circuitpython's ff object. */
+
+ . = ALIGN(4);
+ } >FLASH_ISR
+
+ /* The program code and other data goes into FLASH */
+ .text :
+ {
+ . = ALIGN(4);
+ *(.text*) /* .text* sections (code) */
+ *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
+ /* *(.glue_7) */ /* glue arm to thumb code */
+ /* *(.glue_7t) */ /* glue thumb to arm code */
+
+ . = ALIGN(4);
+ _etext = .; /* define a global symbol at end of code */
+ } >FLASH_TEXT
+
+ /* used by the startup to initialize data */
+ _sidata = LOADADDR(.data);
+
+ /* This is the initialized data section
+ The program executes knowing that the data is in the RAM
+ but the loader puts the initial values in the FLASH (inidata).
+ It is one task of the startup to copy the initial values from FLASH to RAM. */
+ .data :
+ {
+ . = ALIGN(4);
+ _sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */
+ *(.data*) /* .data* sections */
+
+ . = ALIGN(4);
+ _edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */
+ } >RAM AT> FLASH_TEXT
+
+ /* Uninitialized data section */
+ .bss :
+ {
+ . = ALIGN(4);
+ _sbss = .; /* define a global symbol at bss start; used by startup code */
+ *(.bss*)
+ *(COMMON)
+
+ . = ALIGN(4);
+ _ebss = .; /* define a global symbol at bss end; used by startup code and GC */
+ } >RAM
+
+ /* this is to define the start of the heap, and make sure we have a minimum size */
+ .heap :
+ {
+ . = ALIGN(4);
+ . = . + _minimum_heap_size;
+ . = ALIGN(4);
+ } >RAM
+
+ /* this just checks there is enough RAM for the stack */
+ .stack :
+ {
+ . = ALIGN(4);
+ . = . + _minimum_stack_size;
+ . = ALIGN(4);
+ } >RAM
+
+ .ARM.attributes 0 : { *(.ARM.attributes) }
+}
+
+
diff --git a/ports/stm32f4/boards/feather_stm32f405_express/mpconfigboard.h b/ports/stm32f4/boards/feather_stm32f405_express/mpconfigboard.h
index ad9bba7b0a..3ea469383d 100644
--- a/ports/stm32f4/boards/feather_stm32f405_express/mpconfigboard.h
+++ b/ports/stm32f4/boards/feather_stm32f405_express/mpconfigboard.h
@@ -34,6 +34,8 @@
#define MICROPY_HW_NEOPIXEL (&pin_PC00)
+#define BOARD_OSC_DIV 12
+
// On-board flash
#define SPI_FLASH_MOSI_PIN (&pin_PB05)
#define SPI_FLASH_MISO_PIN (&pin_PB04)
diff --git a/ports/stm32f4/boards/pyboard_v11/mpconfigboard.h b/ports/stm32f4/boards/pyboard_v11/mpconfigboard.h
index 7093442d09..2da2c6da95 100644
--- a/ports/stm32f4/boards/pyboard_v11/mpconfigboard.h
+++ b/ports/stm32f4/boards/pyboard_v11/mpconfigboard.h
@@ -32,6 +32,7 @@
#define FLASH_SIZE (0x100000)
#define FLASH_PAGE_SIZE (0x4000)
+#define BOARD_OSC_DIV 12
#define DEFAULT_I2C_BUS_SCL (&pin_PB06)
#define DEFAULT_I2C_BUS_SDA (&pin_PB07)
diff --git a/ports/stm32f4/boards/startup_stm32f407xx.s b/ports/stm32f4/boards/startup_stm32f407xx.s
new file mode 100644
index 0000000000..6b77655ca1
--- /dev/null
+++ b/ports/stm32f4/boards/startup_stm32f407xx.s
@@ -0,0 +1,516 @@
+/**
+ ******************************************************************************
+ * @file startup_stm32f405xx.s
+ * @author MCD Application Team
+ * @brief STM32F405xx Devices vector table for GCC based toolchains.
+ * This module performs:
+ * - Set the initial SP
+ * - Set the initial PC == Reset_Handler,
+ * - Set the vector table entries with the exceptions ISR address
+ * - Branches to main in the C library (which eventually
+ * calls main()).
+ * After Reset the Cortex-M4 processor is in Thread mode,
+ * priority is Privileged, and the Stack is set to Main.
+ ******************************************************************************
+ * @attention
+ *
+ *
© COPYRIGHT 2017 STMicroelectronics
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+
+ .syntax unified
+ .cpu cortex-m4
+ .fpu softvfp
+ .thumb
+
+.global g_pfnVectors
+.global Default_Handler
+
+/* start address for the initialization values of the .data section.
+defined in linker script */
+.word _sidata
+/* start address for the .data section. defined in linker script */
+.word _sdata
+/* end address for the .data section. defined in linker script */
+.word _edata
+/* start address for the .bss section. defined in linker script */
+.word _sbss
+/* end address for the .bss section. defined in linker script */
+.word _ebss
+/* stack used for SystemInit_ExtMemCtl; always internal RAM used */
+
+/**
+ * @brief This is the code that gets called when the processor first
+ * starts execution following a reset event. Only the absolutely
+ * necessary set is performed, after which the application
+ * supplied main() routine is called.
+ * @param None
+ * @retval : None
+*/
+
+ .section .text.Reset_Handler
+ .weak Reset_Handler
+ .type Reset_Handler, %function
+Reset_Handler:
+ ldr sp, =_estack /* set stack pointer */
+
+/* Copy the data segment initializers from flash to SRAM */
+ movs r1, #0
+ b LoopCopyDataInit
+
+CopyDataInit:
+ ldr r3, =_sidata
+ ldr r3, [r3, r1]
+ str r3, [r0, r1]
+ adds r1, r1, #4
+
+LoopCopyDataInit:
+ ldr r0, =_sdata
+ ldr r3, =_edata
+ adds r2, r0, r1
+ cmp r2, r3
+ bcc CopyDataInit
+ ldr r2, =_sbss
+ b LoopFillZerobss
+/* Zero fill the bss segment. */
+FillZerobss:
+ movs r3, #0
+ str r3, [r2], #4
+
+LoopFillZerobss:
+ ldr r3, = _ebss
+ cmp r2, r3
+ bcc FillZerobss
+
+/* Call the clock system intitialization function.*/
+ bl SystemInit
+/* Call static constructors */
+/* bl __libc_init_array */
+/* Call the application's entry point.*/
+ bl main
+ bx lr
+.size Reset_Handler, .-Reset_Handler
+
+/**
+ * @brief This is the code that gets called when the processor receives an
+ * unexpected interrupt. This simply enters an infinite loop, preserving
+ * the system state for examination by a debugger.
+ * @param None
+ * @retval None
+*/
+ .section .text.Default_Handler,"ax",%progbits
+Default_Handler:
+Infinite_Loop:
+ b Infinite_Loop
+ .size Default_Handler, .-Default_Handler
+/******************************************************************************
+*
+* The minimal vector table for a Cortex M3. Note that the proper constructs
+* must be placed on this to ensure that it ends up at physical address
+* 0x0000.0000.
+*
+*******************************************************************************/
+ .section .isr_vector,"a",%progbits
+ .type g_pfnVectors, %object
+ .size g_pfnVectors, .-g_pfnVectors
+
+
+
+g_pfnVectors:
+ .word _estack
+ .word Reset_Handler
+
+ .word NMI_Handler
+ .word HardFault_Handler
+ .word MemManage_Handler
+ .word BusFault_Handler
+ .word UsageFault_Handler
+ .word 0
+ .word 0
+ .word 0
+ .word 0
+ .word SVC_Handler
+ .word DebugMon_Handler
+ .word 0
+ .word PendSV_Handler
+ .word SysTick_Handler
+
+ /* External Interrupts */
+ .word WWDG_IRQHandler /* Window WatchDog */
+ .word PVD_IRQHandler /* PVD through EXTI Line detection */
+ .word TAMP_STAMP_IRQHandler /* Tamper and TimeStamps through the EXTI line */
+ .word RTC_WKUP_IRQHandler /* RTC Wakeup through the EXTI line */
+ .word FLASH_IRQHandler /* FLASH */
+ .word RCC_IRQHandler /* RCC */
+ .word EXTI0_IRQHandler /* EXTI Line0 */
+ .word EXTI1_IRQHandler /* EXTI Line1 */
+ .word EXTI2_IRQHandler /* EXTI Line2 */
+ .word EXTI3_IRQHandler /* EXTI Line3 */
+ .word EXTI4_IRQHandler /* EXTI Line4 */
+ .word DMA1_Stream0_IRQHandler /* DMA1 Stream 0 */
+ .word DMA1_Stream1_IRQHandler /* DMA1 Stream 1 */
+ .word DMA1_Stream2_IRQHandler /* DMA1 Stream 2 */
+ .word DMA1_Stream3_IRQHandler /* DMA1 Stream 3 */
+ .word DMA1_Stream4_IRQHandler /* DMA1 Stream 4 */
+ .word DMA1_Stream5_IRQHandler /* DMA1 Stream 5 */
+ .word DMA1_Stream6_IRQHandler /* DMA1 Stream 6 */
+ .word ADC_IRQHandler /* ADC1, ADC2 and ADC3s */
+ .word CAN1_TX_IRQHandler /* CAN1 TX */
+ .word CAN1_RX0_IRQHandler /* CAN1 RX0 */
+ .word CAN1_RX1_IRQHandler /* CAN1 RX1 */
+ .word CAN1_SCE_IRQHandler /* CAN1 SCE */
+ .word EXTI9_5_IRQHandler /* External Line[9:5]s */
+ .word TIM1_BRK_TIM9_IRQHandler /* TIM1 Break and TIM9 */
+ .word TIM1_UP_TIM10_IRQHandler /* TIM1 Update and TIM10 */
+ .word TIM1_TRG_COM_TIM11_IRQHandler /* TIM1 Trigger and Commutation and TIM11 */
+ .word TIM1_CC_IRQHandler /* TIM1 Capture Compare */
+ .word TIM2_IRQHandler /* TIM2 */
+ .word TIM3_IRQHandler /* TIM3 */
+ .word TIM4_IRQHandler /* TIM4 */
+ .word I2C1_EV_IRQHandler /* I2C1 Event */
+ .word I2C1_ER_IRQHandler /* I2C1 Error */
+ .word I2C2_EV_IRQHandler /* I2C2 Event */
+ .word I2C2_ER_IRQHandler /* I2C2 Error */
+ .word SPI1_IRQHandler /* SPI1 */
+ .word SPI2_IRQHandler /* SPI2 */
+ .word USART1_IRQHandler /* USART1 */
+ .word USART2_IRQHandler /* USART2 */
+ .word USART3_IRQHandler /* USART3 */
+ .word EXTI15_10_IRQHandler /* External Line[15:10]s */
+ .word RTC_Alarm_IRQHandler /* RTC Alarm (A and B) through EXTI Line */
+ .word OTG_FS_WKUP_IRQHandler /* USB OTG FS Wakeup through EXTI line */
+ .word TIM8_BRK_TIM12_IRQHandler /* TIM8 Break and TIM12 */
+ .word TIM8_UP_TIM13_IRQHandler /* TIM8 Update and TIM13 */
+ .word TIM8_TRG_COM_TIM14_IRQHandler /* TIM8 Trigger and Commutation and TIM14 */
+ .word TIM8_CC_IRQHandler /* TIM8 Capture Compare */
+ .word DMA1_Stream7_IRQHandler /* DMA1 Stream7 */
+ .word FSMC_IRQHandler /* FSMC */
+ .word SDIO_IRQHandler /* SDIO */
+ .word TIM5_IRQHandler /* TIM5 */
+ .word SPI3_IRQHandler /* SPI3 */
+ .word UART4_IRQHandler /* UART4 */
+ .word UART5_IRQHandler /* UART5 */
+ .word TIM6_DAC_IRQHandler /* TIM6 and DAC1&2 underrun errors */
+ .word TIM7_IRQHandler /* TIM7 */
+ .word DMA2_Stream0_IRQHandler /* DMA2 Stream 0 */
+ .word DMA2_Stream1_IRQHandler /* DMA2 Stream 1 */
+ .word DMA2_Stream2_IRQHandler /* DMA2 Stream 2 */
+ .word DMA2_Stream3_IRQHandler /* DMA2 Stream 3 */
+ .word DMA2_Stream4_IRQHandler /* DMA2 Stream 4 */
+ .word 0 /* Reserved */
+ .word 0 /* Reserved */
+ .word CAN2_TX_IRQHandler /* CAN2 TX */
+ .word CAN2_RX0_IRQHandler /* CAN2 RX0 */
+ .word CAN2_RX1_IRQHandler /* CAN2 RX1 */
+ .word CAN2_SCE_IRQHandler /* CAN2 SCE */
+ .word OTG_FS_IRQHandler /* USB OTG FS */
+ .word DMA2_Stream5_IRQHandler /* DMA2 Stream 5 */
+ .word DMA2_Stream6_IRQHandler /* DMA2 Stream 6 */
+ .word DMA2_Stream7_IRQHandler /* DMA2 Stream 7 */
+ .word USART6_IRQHandler /* USART6 */
+ .word I2C3_EV_IRQHandler /* I2C3 event */
+ .word I2C3_ER_IRQHandler /* I2C3 error */
+ .word OTG_HS_EP1_OUT_IRQHandler /* USB OTG HS End Point 1 Out */
+ .word OTG_HS_EP1_IN_IRQHandler /* USB OTG HS End Point 1 In */
+ .word OTG_HS_WKUP_IRQHandler /* USB OTG HS Wakeup through EXTI */
+ .word OTG_HS_IRQHandler /* USB OTG HS */
+ .word 0 /* Reserved */
+ .word 0 /* Reserved */
+ .word HASH_RNG_IRQHandler /* Hash and Rng */
+ .word FPU_IRQHandler /* FPU */
+
+
+/*******************************************************************************
+*
+* Provide weak aliases for each Exception handler to the Default_Handler.
+* As they are weak aliases, any function with the same name will override
+* this definition.
+*
+*******************************************************************************/
+ .weak NMI_Handler
+ .thumb_set NMI_Handler,Default_Handler
+
+ .weak HardFault_Handler
+ .thumb_set HardFault_Handler,Default_Handler
+
+ .weak MemManage_Handler
+ .thumb_set MemManage_Handler,Default_Handler
+
+ .weak BusFault_Handler
+ .thumb_set BusFault_Handler,Default_Handler
+
+ .weak UsageFault_Handler
+ .thumb_set UsageFault_Handler,Default_Handler
+
+ .weak SVC_Handler
+ .thumb_set SVC_Handler,Default_Handler
+
+ .weak DebugMon_Handler
+ .thumb_set DebugMon_Handler,Default_Handler
+
+ .weak PendSV_Handler
+ .thumb_set PendSV_Handler,Default_Handler
+
+ .weak SysTick_Handler
+ .thumb_set SysTick_Handler,Default_Handler
+
+ .weak WWDG_IRQHandler
+ .thumb_set WWDG_IRQHandler,Default_Handler
+
+ .weak PVD_IRQHandler
+ .thumb_set PVD_IRQHandler,Default_Handler
+
+ .weak TAMP_STAMP_IRQHandler
+ .thumb_set TAMP_STAMP_IRQHandler,Default_Handler
+
+ .weak RTC_WKUP_IRQHandler
+ .thumb_set RTC_WKUP_IRQHandler,Default_Handler
+
+ .weak FLASH_IRQHandler
+ .thumb_set FLASH_IRQHandler,Default_Handler
+
+ .weak RCC_IRQHandler
+ .thumb_set RCC_IRQHandler,Default_Handler
+
+ .weak EXTI0_IRQHandler
+ .thumb_set EXTI0_IRQHandler,Default_Handler
+
+ .weak EXTI1_IRQHandler
+ .thumb_set EXTI1_IRQHandler,Default_Handler
+
+ .weak EXTI2_IRQHandler
+ .thumb_set EXTI2_IRQHandler,Default_Handler
+
+ .weak EXTI3_IRQHandler
+ .thumb_set EXTI3_IRQHandler,Default_Handler
+
+ .weak EXTI4_IRQHandler
+ .thumb_set EXTI4_IRQHandler,Default_Handler
+
+ .weak DMA1_Stream0_IRQHandler
+ .thumb_set DMA1_Stream0_IRQHandler,Default_Handler
+
+ .weak DMA1_Stream1_IRQHandler
+ .thumb_set DMA1_Stream1_IRQHandler,Default_Handler
+
+ .weak DMA1_Stream2_IRQHandler
+ .thumb_set DMA1_Stream2_IRQHandler,Default_Handler
+
+ .weak DMA1_Stream3_IRQHandler
+ .thumb_set DMA1_Stream3_IRQHandler,Default_Handler
+
+ .weak DMA1_Stream4_IRQHandler
+ .thumb_set DMA1_Stream4_IRQHandler,Default_Handler
+
+ .weak DMA1_Stream5_IRQHandler
+ .thumb_set DMA1_Stream5_IRQHandler,Default_Handler
+
+ .weak DMA1_Stream6_IRQHandler
+ .thumb_set DMA1_Stream6_IRQHandler,Default_Handler
+
+ .weak ADC_IRQHandler
+ .thumb_set ADC_IRQHandler,Default_Handler
+
+ .weak CAN1_TX_IRQHandler
+ .thumb_set CAN1_TX_IRQHandler,Default_Handler
+
+ .weak CAN1_RX0_IRQHandler
+ .thumb_set CAN1_RX0_IRQHandler,Default_Handler
+
+ .weak CAN1_RX1_IRQHandler
+ .thumb_set CAN1_RX1_IRQHandler,Default_Handler
+
+ .weak CAN1_SCE_IRQHandler
+ .thumb_set CAN1_SCE_IRQHandler,Default_Handler
+
+ .weak EXTI9_5_IRQHandler
+ .thumb_set EXTI9_5_IRQHandler,Default_Handler
+
+ .weak TIM1_BRK_TIM9_IRQHandler
+ .thumb_set TIM1_BRK_TIM9_IRQHandler,Default_Handler
+
+ .weak TIM1_UP_TIM10_IRQHandler
+ .thumb_set TIM1_UP_TIM10_IRQHandler,Default_Handler
+
+ .weak TIM1_TRG_COM_TIM11_IRQHandler
+ .thumb_set TIM1_TRG_COM_TIM11_IRQHandler,Default_Handler
+
+ .weak TIM1_CC_IRQHandler
+ .thumb_set TIM1_CC_IRQHandler,Default_Handler
+
+ .weak TIM2_IRQHandler
+ .thumb_set TIM2_IRQHandler,Default_Handler
+
+ .weak TIM3_IRQHandler
+ .thumb_set TIM3_IRQHandler,Default_Handler
+
+ .weak TIM4_IRQHandler
+ .thumb_set TIM4_IRQHandler,Default_Handler
+
+ .weak I2C1_EV_IRQHandler
+ .thumb_set I2C1_EV_IRQHandler,Default_Handler
+
+ .weak I2C1_ER_IRQHandler
+ .thumb_set I2C1_ER_IRQHandler,Default_Handler
+
+ .weak I2C2_EV_IRQHandler
+ .thumb_set I2C2_EV_IRQHandler,Default_Handler
+
+ .weak I2C2_ER_IRQHandler
+ .thumb_set I2C2_ER_IRQHandler,Default_Handler
+
+ .weak SPI1_IRQHandler
+ .thumb_set SPI1_IRQHandler,Default_Handler
+
+ .weak SPI2_IRQHandler
+ .thumb_set SPI2_IRQHandler,Default_Handler
+
+ .weak USART1_IRQHandler
+ .thumb_set USART1_IRQHandler,Default_Handler
+
+ .weak USART2_IRQHandler
+ .thumb_set USART2_IRQHandler,Default_Handler
+
+ .weak USART3_IRQHandler
+ .thumb_set USART3_IRQHandler,Default_Handler
+
+ .weak EXTI15_10_IRQHandler
+ .thumb_set EXTI15_10_IRQHandler,Default_Handler
+
+ .weak RTC_Alarm_IRQHandler
+ .thumb_set RTC_Alarm_IRQHandler,Default_Handler
+
+ .weak OTG_FS_WKUP_IRQHandler
+ .thumb_set OTG_FS_WKUP_IRQHandler,Default_Handler
+
+ .weak TIM8_BRK_TIM12_IRQHandler
+ .thumb_set TIM8_BRK_TIM12_IRQHandler,Default_Handler
+
+ .weak TIM8_UP_TIM13_IRQHandler
+ .thumb_set TIM8_UP_TIM13_IRQHandler,Default_Handler
+
+ .weak TIM8_TRG_COM_TIM14_IRQHandler
+ .thumb_set TIM8_TRG_COM_TIM14_IRQHandler,Default_Handler
+
+ .weak TIM8_CC_IRQHandler
+ .thumb_set TIM8_CC_IRQHandler,Default_Handler
+
+ .weak DMA1_Stream7_IRQHandler
+ .thumb_set DMA1_Stream7_IRQHandler,Default_Handler
+
+ .weak FSMC_IRQHandler
+ .thumb_set FSMC_IRQHandler,Default_Handler
+
+ .weak SDIO_IRQHandler
+ .thumb_set SDIO_IRQHandler,Default_Handler
+
+ .weak TIM5_IRQHandler
+ .thumb_set TIM5_IRQHandler,Default_Handler
+
+ .weak SPI3_IRQHandler
+ .thumb_set SPI3_IRQHandler,Default_Handler
+
+ .weak UART4_IRQHandler
+ .thumb_set UART4_IRQHandler,Default_Handler
+
+ .weak UART5_IRQHandler
+ .thumb_set UART5_IRQHandler,Default_Handler
+
+ .weak TIM6_DAC_IRQHandler
+ .thumb_set TIM6_DAC_IRQHandler,Default_Handler
+
+ .weak TIM7_IRQHandler
+ .thumb_set TIM7_IRQHandler,Default_Handler
+
+ .weak DMA2_Stream0_IRQHandler
+ .thumb_set DMA2_Stream0_IRQHandler,Default_Handler
+
+ .weak DMA2_Stream1_IRQHandler
+ .thumb_set DMA2_Stream1_IRQHandler,Default_Handler
+
+ .weak DMA2_Stream2_IRQHandler
+ .thumb_set DMA2_Stream2_IRQHandler,Default_Handler
+
+ .weak DMA2_Stream3_IRQHandler
+ .thumb_set DMA2_Stream3_IRQHandler,Default_Handler
+
+ .weak DMA2_Stream4_IRQHandler
+ .thumb_set DMA2_Stream4_IRQHandler,Default_Handler
+
+ .weak CAN2_TX_IRQHandler
+ .thumb_set CAN2_TX_IRQHandler,Default_Handler
+
+ .weak CAN2_RX0_IRQHandler
+ .thumb_set CAN2_RX0_IRQHandler,Default_Handler
+
+ .weak CAN2_RX1_IRQHandler
+ .thumb_set CAN2_RX1_IRQHandler,Default_Handler
+
+ .weak CAN2_SCE_IRQHandler
+ .thumb_set CAN2_SCE_IRQHandler,Default_Handler
+
+ .weak OTG_FS_IRQHandler
+ .thumb_set OTG_FS_IRQHandler,Default_Handler
+
+ .weak DMA2_Stream5_IRQHandler
+ .thumb_set DMA2_Stream5_IRQHandler,Default_Handler
+
+ .weak DMA2_Stream6_IRQHandler
+ .thumb_set DMA2_Stream6_IRQHandler,Default_Handler
+
+ .weak DMA2_Stream7_IRQHandler
+ .thumb_set DMA2_Stream7_IRQHandler,Default_Handler
+
+ .weak USART6_IRQHandler
+ .thumb_set USART6_IRQHandler,Default_Handler
+
+ .weak I2C3_EV_IRQHandler
+ .thumb_set I2C3_EV_IRQHandler,Default_Handler
+
+ .weak I2C3_ER_IRQHandler
+ .thumb_set I2C3_ER_IRQHandler,Default_Handler
+
+ .weak OTG_HS_EP1_OUT_IRQHandler
+ .thumb_set OTG_HS_EP1_OUT_IRQHandler,Default_Handler
+
+ .weak OTG_HS_EP1_IN_IRQHandler
+ .thumb_set OTG_HS_EP1_IN_IRQHandler,Default_Handler
+
+ .weak OTG_HS_WKUP_IRQHandler
+ .thumb_set OTG_HS_WKUP_IRQHandler,Default_Handler
+
+ .weak OTG_HS_IRQHandler
+ .thumb_set OTG_HS_IRQHandler,Default_Handler
+
+ .weak HASH_RNG_IRQHandler
+ .thumb_set HASH_RNG_IRQHandler,Default_Handler
+
+ .weak FPU_IRQHandler
+ .thumb_set FPU_IRQHandler,Default_Handler
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
+
diff --git a/ports/stm32f4/boards/stm32f412zg_discovery/mpconfigboard.h b/ports/stm32f4/boards/stm32f412zg_discovery/mpconfigboard.h
index 3ab9a55853..b6d28cb127 100644
--- a/ports/stm32f4/boards/stm32f412zg_discovery/mpconfigboard.h
+++ b/ports/stm32f4/boards/stm32f412zg_discovery/mpconfigboard.h
@@ -32,5 +32,7 @@
#define FLASH_SIZE (0x100000)
#define FLASH_PAGE_SIZE (0x4000)
+#define BOARD_OSC_DIV 8
+
#define DEFAULT_I2C_BUS_SCL (&pin_PB10)
#define DEFAULT_I2C_BUS_SDA (&pin_PB09)
diff --git a/ports/stm32f4/boards/stm32f4_discovery/board.c b/ports/stm32f4/boards/stm32f4_discovery/board.c
new file mode 100644
index 0000000000..4421970eef
--- /dev/null
+++ b/ports/stm32f4/boards/stm32f4_discovery/board.c
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "boards/board.h"
+
+void board_init(void) {
+}
+
+bool board_requests_safe_mode(void) {
+ return false;
+}
+
+void reset_board(void) {
+
+}
diff --git a/ports/stm32f4/boards/stm32f4_discovery/mpconfigboard.h b/ports/stm32f4/boards/stm32f4_discovery/mpconfigboard.h
new file mode 100644
index 0000000000..c51fa2e044
--- /dev/null
+++ b/ports/stm32f4/boards/stm32f4_discovery/mpconfigboard.h
@@ -0,0 +1,35 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Lucian Copeland for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+//Micropython setup
+
+#define MICROPY_HW_BOARD_NAME "STM32F4_DISCO"
+#define MICROPY_HW_MCU_NAME "STM32F407VG"
+
+#define FLASH_SIZE (0x100000)
+#define FLASH_PAGE_SIZE (0x4000)
+
+#define BOARD_OSC_DIV 8
diff --git a/ports/stm32f4/boards/stm32f4_discovery/mpconfigboard.mk b/ports/stm32f4/boards/stm32f4_discovery/mpconfigboard.mk
new file mode 100644
index 0000000000..312a20f65a
--- /dev/null
+++ b/ports/stm32f4/boards/stm32f4_discovery/mpconfigboard.mk
@@ -0,0 +1,18 @@
+USB_VID = 0x239A
+USB_PID = 0x808A
+USB_PRODUCT = "STM32F407VG Discovery Board - CPy"
+USB_MANUFACTURER = "STMicroelectronics"
+USB_DEVICES = "CDC,MSC"
+
+INTERNAL_FLASH_FILESYSTEM = 1
+LONGINT_IMPL = NONE
+
+# This is technically a F407 but there's no difference
+# other than the camera and ethernet, which aren't supported.
+MCU_SERIES = m4
+MCU_VARIANT = stm32f4
+MCU_SUB_VARIANT = stm32f407xx
+MCU_PACKAGE = 100
+CMSIS_MCU = STM32F407xx
+LD_FILE = boards/STM32F407_fs.ld
+
diff --git a/ports/stm32f4/boards/stm32f4_discovery/pins.c b/ports/stm32f4/boards/stm32f4_discovery/pins.c
new file mode 100644
index 0000000000..712932145a
--- /dev/null
+++ b/ports/stm32f4/boards/stm32f4_discovery/pins.c
@@ -0,0 +1,107 @@
+#include "shared-bindings/board/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
+ //P1
+ { MP_ROM_QSTR(MP_QSTR_PC00), MP_ROM_PTR(&pin_PC00) },
+ { MP_ROM_QSTR(MP_QSTR_PC01), MP_ROM_PTR(&pin_PC01) },
+ { MP_ROM_QSTR(MP_QSTR_PC02), MP_ROM_PTR(&pin_PC02) },
+ { MP_ROM_QSTR(MP_QSTR_PC03), MP_ROM_PTR(&pin_PC03) },
+ { MP_ROM_QSTR(MP_QSTR_PA00), MP_ROM_PTR(&pin_PA00) },
+ { MP_ROM_QSTR(MP_QSTR_PA01), MP_ROM_PTR(&pin_PA01) },
+ { MP_ROM_QSTR(MP_QSTR_PA02), MP_ROM_PTR(&pin_PA02) },
+ { MP_ROM_QSTR(MP_QSTR_PA03), MP_ROM_PTR(&pin_PA03) },
+ { MP_ROM_QSTR(MP_QSTR_PA04), MP_ROM_PTR(&pin_PA04) },
+ { MP_ROM_QSTR(MP_QSTR_PA05), MP_ROM_PTR(&pin_PA05) },
+ { MP_ROM_QSTR(MP_QSTR_PA06), MP_ROM_PTR(&pin_PA06) },
+ { MP_ROM_QSTR(MP_QSTR_PA07), MP_ROM_PTR(&pin_PA07) },
+ { MP_ROM_QSTR(MP_QSTR_PC04), MP_ROM_PTR(&pin_PC04) },
+ { MP_ROM_QSTR(MP_QSTR_PC05), MP_ROM_PTR(&pin_PC05) },
+ { MP_ROM_QSTR(MP_QSTR_PB00), MP_ROM_PTR(&pin_PB00) },
+ { MP_ROM_QSTR(MP_QSTR_PB01), MP_ROM_PTR(&pin_PB01) },
+ { MP_ROM_QSTR(MP_QSTR_PB02), MP_ROM_PTR(&pin_PB02) },
+ { MP_ROM_QSTR(MP_QSTR_PE07), MP_ROM_PTR(&pin_PE07) },
+ { MP_ROM_QSTR(MP_QSTR_PE08), MP_ROM_PTR(&pin_PE08) },
+ { MP_ROM_QSTR(MP_QSTR_PE09), MP_ROM_PTR(&pin_PE09) },
+ { MP_ROM_QSTR(MP_QSTR_PE10), MP_ROM_PTR(&pin_PE10) },
+ { MP_ROM_QSTR(MP_QSTR_PE11), MP_ROM_PTR(&pin_PE11) },
+ { MP_ROM_QSTR(MP_QSTR_PE12), MP_ROM_PTR(&pin_PE12) },
+ { MP_ROM_QSTR(MP_QSTR_PE13), MP_ROM_PTR(&pin_PE13) },
+ { MP_ROM_QSTR(MP_QSTR_PE14), MP_ROM_PTR(&pin_PE14) },
+ { MP_ROM_QSTR(MP_QSTR_PE15), MP_ROM_PTR(&pin_PE15) },
+ { MP_ROM_QSTR(MP_QSTR_PB11), MP_ROM_PTR(&pin_PB11) }, // Differs from F411
+ { MP_ROM_QSTR(MP_QSTR_PB10), MP_ROM_PTR(&pin_PB10) },
+ { MP_ROM_QSTR(MP_QSTR_PB12), MP_ROM_PTR(&pin_PB12) },
+ { MP_ROM_QSTR(MP_QSTR_PB13), MP_ROM_PTR(&pin_PB13) },
+ { MP_ROM_QSTR(MP_QSTR_PB14), MP_ROM_PTR(&pin_PB14) },
+ { MP_ROM_QSTR(MP_QSTR_PB15), MP_ROM_PTR(&pin_PB15) },
+ { MP_ROM_QSTR(MP_QSTR_PD08), MP_ROM_PTR(&pin_PD08) },
+ { MP_ROM_QSTR(MP_QSTR_PD09), MP_ROM_PTR(&pin_PD09) },
+ { MP_ROM_QSTR(MP_QSTR_PD10), MP_ROM_PTR(&pin_PD10) },
+ { MP_ROM_QSTR(MP_QSTR_PD11), MP_ROM_PTR(&pin_PD11) },
+ { MP_ROM_QSTR(MP_QSTR_PD12), MP_ROM_PTR(&pin_PD12) },
+ { MP_ROM_QSTR(MP_QSTR_PD13), MP_ROM_PTR(&pin_PD13) },
+ { MP_ROM_QSTR(MP_QSTR_PD14), MP_ROM_PTR(&pin_PD14) },
+ { MP_ROM_QSTR(MP_QSTR_PD15), MP_ROM_PTR(&pin_PD15) },
+ //P2
+ { MP_ROM_QSTR(MP_QSTR_PC14), MP_ROM_PTR(&pin_PC14) },
+ { MP_ROM_QSTR(MP_QSTR_PC15), MP_ROM_PTR(&pin_PC15) },
+ { MP_ROM_QSTR(MP_QSTR_PC13), MP_ROM_PTR(&pin_PC13) },
+ { MP_ROM_QSTR(MP_QSTR_PE06), MP_ROM_PTR(&pin_PE06) },
+ { MP_ROM_QSTR(MP_QSTR_PE05), MP_ROM_PTR(&pin_PE05) },
+ { MP_ROM_QSTR(MP_QSTR_PE04), MP_ROM_PTR(&pin_PE04) },
+ { MP_ROM_QSTR(MP_QSTR_PE03), MP_ROM_PTR(&pin_PE03) },
+ { MP_ROM_QSTR(MP_QSTR_PE02), MP_ROM_PTR(&pin_PE02) },
+ { MP_ROM_QSTR(MP_QSTR_PE01), MP_ROM_PTR(&pin_PE01) },
+ { MP_ROM_QSTR(MP_QSTR_PE00), MP_ROM_PTR(&pin_PE00) },
+ { MP_ROM_QSTR(MP_QSTR_PB09), MP_ROM_PTR(&pin_PB09) },
+ { MP_ROM_QSTR(MP_QSTR_PB08), MP_ROM_PTR(&pin_PB08) },
+ { MP_ROM_QSTR(MP_QSTR_PB07), MP_ROM_PTR(&pin_PB07) },
+ { MP_ROM_QSTR(MP_QSTR_PB06), MP_ROM_PTR(&pin_PB06) },
+ { MP_ROM_QSTR(MP_QSTR_PB05), MP_ROM_PTR(&pin_PB05) },
+ { MP_ROM_QSTR(MP_QSTR_PB04), MP_ROM_PTR(&pin_PB04) },
+ { MP_ROM_QSTR(MP_QSTR_PB03), MP_ROM_PTR(&pin_PB03) },
+ { MP_ROM_QSTR(MP_QSTR_PD07), MP_ROM_PTR(&pin_PD07) },
+ { MP_ROM_QSTR(MP_QSTR_PD06), MP_ROM_PTR(&pin_PD06) },
+ { MP_ROM_QSTR(MP_QSTR_PD05), MP_ROM_PTR(&pin_PD05) },
+ { MP_ROM_QSTR(MP_QSTR_PD04), MP_ROM_PTR(&pin_PD04) },
+ { MP_ROM_QSTR(MP_QSTR_PD03), MP_ROM_PTR(&pin_PD03) },
+ { MP_ROM_QSTR(MP_QSTR_PD02), MP_ROM_PTR(&pin_PD02) },
+ { MP_ROM_QSTR(MP_QSTR_PD01), MP_ROM_PTR(&pin_PD01) },
+ { MP_ROM_QSTR(MP_QSTR_PD00), MP_ROM_PTR(&pin_PD00) },
+ { MP_ROM_QSTR(MP_QSTR_PC12), MP_ROM_PTR(&pin_PC12) },
+ { MP_ROM_QSTR(MP_QSTR_PC11), MP_ROM_PTR(&pin_PC11) },
+ { MP_ROM_QSTR(MP_QSTR_PC10), MP_ROM_PTR(&pin_PC10) },
+ { MP_ROM_QSTR(MP_QSTR_PA15), MP_ROM_PTR(&pin_PA15) },
+ { MP_ROM_QSTR(MP_QSTR_PA14), MP_ROM_PTR(&pin_PA14) },
+ { MP_ROM_QSTR(MP_QSTR_PA13), MP_ROM_PTR(&pin_PA13) },
+ { MP_ROM_QSTR(MP_QSTR_PA10), MP_ROM_PTR(&pin_PA10) },
+ { MP_ROM_QSTR(MP_QSTR_PA09), MP_ROM_PTR(&pin_PA09) },
+ { MP_ROM_QSTR(MP_QSTR_PA08), MP_ROM_PTR(&pin_PA08) },
+ { MP_ROM_QSTR(MP_QSTR_PC09), MP_ROM_PTR(&pin_PC09) },
+ { MP_ROM_QSTR(MP_QSTR_PC08), MP_ROM_PTR(&pin_PC08) },
+ { MP_ROM_QSTR(MP_QSTR_PC07), MP_ROM_PTR(&pin_PC07) },
+ { MP_ROM_QSTR(MP_QSTR_PC06), MP_ROM_PTR(&pin_PC06) },
+ //ST LED names
+ { MP_ROM_QSTR(MP_QSTR_LD3), MP_ROM_PTR(&pin_PD13) },
+ { MP_ROM_QSTR(MP_QSTR_LD4), MP_ROM_PTR(&pin_PD12) },
+ { MP_ROM_QSTR(MP_QSTR_LD5), MP_ROM_PTR(&pin_PD14) },
+ { MP_ROM_QSTR(MP_QSTR_LD6), MP_ROM_PTR(&pin_PD15) },
+ //more useful LED names
+ { MP_ROM_QSTR(MP_QSTR_LED1), MP_ROM_PTR(&pin_PD13) },
+ { MP_ROM_QSTR(MP_QSTR_LED2), MP_ROM_PTR(&pin_PD12) },
+ { MP_ROM_QSTR(MP_QSTR_LED3), MP_ROM_PTR(&pin_PD14) },
+ { MP_ROM_QSTR(MP_QSTR_LED4), MP_ROM_PTR(&pin_PD15) },
+ //AnalogIO names
+ { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_PA00) },
+ { MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_PA01) },
+ { MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_PA02) },
+ { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_PA03) },
+ { MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_PA04) },
+ { MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_PA05) },
+ //actual LED names
+ { MP_ROM_QSTR(MP_QSTR_LED_ORANGE), MP_ROM_PTR(&pin_PD13) },
+ { MP_ROM_QSTR(MP_QSTR_LED_GREEN), MP_ROM_PTR(&pin_PD12) },
+ { MP_ROM_QSTR(MP_QSTR_LED_RED), MP_ROM_PTR(&pin_PD14) },
+ { MP_ROM_QSTR(MP_QSTR_LED_BLUE), MP_ROM_PTR(&pin_PD15) },
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);
diff --git a/ports/stm32f4/boards/stm32f4_discovery/stm32f4xx_hal_conf.h b/ports/stm32f4/boards/stm32f4_discovery/stm32f4xx_hal_conf.h
new file mode 100644
index 0000000000..ee5832d49c
--- /dev/null
+++ b/ports/stm32f4/boards/stm32f4_discovery/stm32f4xx_hal_conf.h
@@ -0,0 +1,439 @@
+/**
+ ******************************************************************************
+ * @file stm32f4xx_hal_conf_template.h
+ * @author MCD Application Team
+ * @brief HAL configuration template file.
+ * This file should be copied to the application folder and renamed
+ * to stm32f4xx_hal_conf.h.
+ ******************************************************************************
+ * @attention
+ *
+ * © Copyright (c) 2017 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F4xx_HAL_CONF_H
+#define __STM32F4xx_HAL_CONF_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/* ########################## Module Selection ############################## */
+/**
+ * @brief This is the list of modules to be used in the HAL driver
+ */
+#define HAL_MODULE_ENABLED
+
+#define HAL_ADC_MODULE_ENABLED
+/* #define HAL_CRYP_MODULE_ENABLED */
+/* #define HAL_CAN_MODULE_ENABLED */
+/* #define HAL_CRC_MODULE_ENABLED */
+/* #define HAL_CRYP_MODULE_ENABLED */
+#define HAL_DAC_MODULE_ENABLED
+/* #define HAL_DCMI_MODULE_ENABLED */
+/* #define HAL_DMA2D_MODULE_ENABLED */
+/* #define HAL_ETH_MODULE_ENABLED */
+/* #define HAL_NAND_MODULE_ENABLED */
+/* #define HAL_NOR_MODULE_ENABLED */
+/* #define HAL_PCCARD_MODULE_ENABLED */
+/* #define HAL_SRAM_MODULE_ENABLED */
+/* #define HAL_SDRAM_MODULE_ENABLED */
+/* #define HAL_HASH_MODULE_ENABLED */
+#define HAL_I2C_MODULE_ENABLED
+#define HAL_I2S_MODULE_ENABLED
+/* #define HAL_IWDG_MODULE_ENABLED */
+/* #define HAL_LTDC_MODULE_ENABLED */
+#define HAL_RNG_MODULE_ENABLED
+/* #define HAL_RTC_MODULE_ENABLED */
+/* #define HAL_SAI_MODULE_ENABLED */
+/* #define HAL_SD_MODULE_ENABLED */
+/* #define HAL_MMC_MODULE_ENABLED */
+#define HAL_SPI_MODULE_ENABLED
+#define HAL_TIM_MODULE_ENABLED
+#define HAL_UART_MODULE_ENABLED
+#define HAL_USART_MODULE_ENABLED
+/* #define HAL_IRDA_MODULE_ENABLED */
+/* #define HAL_SMARTCARD_MODULE_ENABLED */
+/* #define HAL_WWDG_MODULE_ENABLED */
+#define HAL_PCD_MODULE_ENABLED
+/* #define HAL_HCD_MODULE_ENABLED */
+/* #define HAL_DSI_MODULE_ENABLED */
+/* #define HAL_QSPI_MODULE_ENABLED */
+/* #define HAL_QSPI_MODULE_ENABLED */
+/* #define HAL_CEC_MODULE_ENABLED */
+/* #define HAL_FMPI2C_MODULE_ENABLED */
+/* #define HAL_SPDIFRX_MODULE_ENABLED */
+/* #define HAL_DFSDM_MODULE_ENABLED */
+/* #define HAL_LPTIM_MODULE_ENABLED */
+/* #define HAL_EXTI_MODULE_ENABLED */
+#define HAL_GPIO_MODULE_ENABLED
+#define HAL_EXTI_MODULE_ENABLED
+#define HAL_DMA_MODULE_ENABLED
+#define HAL_RCC_MODULE_ENABLED
+#define HAL_FLASH_MODULE_ENABLED
+#define HAL_PWR_MODULE_ENABLED
+#define HAL_CORTEX_MODULE_ENABLED
+
+/* ########################## HSE/HSI Values adaptation ##################### */
+/**
+ * @brief Adjust the value of External High Speed oscillator (HSE) used in your application.
+ * This value is used by the RCC HAL module to compute the system frequency
+ * (when HSE is used as system clock source, directly or through the PLL).
+ */
+#if !defined (HSE_VALUE)
+ #define HSE_VALUE ((uint32_t)8000000U) /*!< Value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#if !defined (HSE_STARTUP_TIMEOUT)
+ #define HSE_STARTUP_TIMEOUT ((uint32_t)100U) /*!< Time out for HSE start up, in ms */
+#endif /* HSE_STARTUP_TIMEOUT */
+
+/**
+ * @brief Internal High Speed oscillator (HSI) value.
+ * This value is used by the RCC HAL module to compute the system frequency
+ * (when HSI is used as system clock source, directly or through the PLL).
+ */
+#if !defined (HSI_VALUE)
+ #define HSI_VALUE ((uint32_t)16000000U) /*!< Value of the Internal oscillator in Hz*/
+#endif /* HSI_VALUE */
+
+/**
+ * @brief Internal Low Speed oscillator (LSI) value.
+ */
+#if !defined (LSI_VALUE)
+ #define LSI_VALUE ((uint32_t)32000U) /*!< LSI Typical Value in Hz*/
+#endif /* LSI_VALUE */ /*!< Value of the Internal Low Speed oscillator in Hz
+ The real value may vary depending on the variations
+ in voltage and temperature.*/
+/**
+ * @brief External Low Speed oscillator (LSE) value.
+ */
+#if !defined (LSE_VALUE)
+ #define LSE_VALUE ((uint32_t)32768U) /*!< Value of the External Low Speed oscillator in Hz */
+#endif /* LSE_VALUE */
+
+#if !defined (LSE_STARTUP_TIMEOUT)
+ #define LSE_STARTUP_TIMEOUT ((uint32_t)5000U) /*!< Time out for LSE start up, in ms */
+#endif /* LSE_STARTUP_TIMEOUT */
+
+/**
+ * @brief External clock source for I2S peripheral
+ * This value is used by the I2S HAL module to compute the I2S clock source
+ * frequency, this source is inserted directly through I2S_CKIN pad.
+ */
+#if !defined (EXTERNAL_CLOCK_VALUE)
+ #define EXTERNAL_CLOCK_VALUE ((uint32_t)12288000U) /*!< Value of the External audio frequency in Hz*/
+#endif /* EXTERNAL_CLOCK_VALUE */
+
+/* Tip: To avoid modifying this file each time you need to use different HSE,
+ === you can define the HSE value in your toolchain compiler preprocessor. */
+
+/* ########################### System Configuration ######################### */
+/**
+ * @brief This is the HAL system configuration section
+ */
+#define VDD_VALUE ((uint32_t)3300U) /*!< Value of VDD in mv */
+#define TICK_INT_PRIORITY ((uint32_t)0U) /*!< tick interrupt priority */
+#define USE_RTOS 0U
+#define PREFETCH_ENABLE 1U
+#define INSTRUCTION_CACHE_ENABLE 1U
+#define DATA_CACHE_ENABLE 1U
+
+/* ########################## Assert Selection ############################## */
+/**
+ * @brief Uncomment the line below to expanse the "assert_param" macro in the
+ * HAL drivers code
+ */
+/* #define USE_FULL_ASSERT 1U */
+
+/* ################## Ethernet peripheral configuration ##################### */
+
+/* Section 1 : Ethernet peripheral configuration */
+
+/* MAC ADDRESS: MAC_ADDR0:MAC_ADDR1:MAC_ADDR2:MAC_ADDR3:MAC_ADDR4:MAC_ADDR5 */
+#define MAC_ADDR0 2U
+#define MAC_ADDR1 0U
+#define MAC_ADDR2 0U
+#define MAC_ADDR3 0U
+#define MAC_ADDR4 0U
+#define MAC_ADDR5 0U
+
+/* Definition of the Ethernet driver buffers size and count */
+#define ETH_RX_BUF_SIZE ETH_MAX_PACKET_SIZE /* buffer size for receive */
+#define ETH_TX_BUF_SIZE ETH_MAX_PACKET_SIZE /* buffer size for transmit */
+#define ETH_RXBUFNB ((uint32_t)4U) /* 4 Rx buffers of size ETH_RX_BUF_SIZE */
+#define ETH_TXBUFNB ((uint32_t)4U) /* 4 Tx buffers of size ETH_TX_BUF_SIZE */
+
+/* Section 2: PHY configuration section */
+
+/* DP83848_PHY_ADDRESS Address*/
+#define DP83848_PHY_ADDRESS 0x01U
+/* PHY Reset delay these values are based on a 1 ms Systick interrupt*/
+#define PHY_RESET_DELAY ((uint32_t)0x000000FFU)
+/* PHY Configuration delay */
+#define PHY_CONFIG_DELAY ((uint32_t)0x00000FFFU)
+
+#define PHY_READ_TO ((uint32_t)0x0000FFFFU)
+#define PHY_WRITE_TO ((uint32_t)0x0000FFFFU)
+
+/* Section 3: Common PHY Registers */
+
+#define PHY_BCR ((uint16_t)0x0000U) /*!< Transceiver Basic Control Register */
+#define PHY_BSR ((uint16_t)0x0001U) /*!< Transceiver Basic Status Register */
+
+#define PHY_RESET ((uint16_t)0x8000U) /*!< PHY Reset */
+#define PHY_LOOPBACK ((uint16_t)0x4000U) /*!< Select loop-back mode */
+#define PHY_FULLDUPLEX_100M ((uint16_t)0x2100U) /*!< Set the full-duplex mode at 100 Mb/s */
+#define PHY_HALFDUPLEX_100M ((uint16_t)0x2000U) /*!< Set the half-duplex mode at 100 Mb/s */
+#define PHY_FULLDUPLEX_10M ((uint16_t)0x0100U) /*!< Set the full-duplex mode at 10 Mb/s */
+#define PHY_HALFDUPLEX_10M ((uint16_t)0x0000U) /*!< Set the half-duplex mode at 10 Mb/s */
+#define PHY_AUTONEGOTIATION ((uint16_t)0x1000U) /*!< Enable auto-negotiation function */
+#define PHY_RESTART_AUTONEGOTIATION ((uint16_t)0x0200U) /*!< Restart auto-negotiation function */
+#define PHY_POWERDOWN ((uint16_t)0x0800U) /*!< Select the power down mode */
+#define PHY_ISOLATE ((uint16_t)0x0400U) /*!< Isolate PHY from MII */
+
+#define PHY_AUTONEGO_COMPLETE ((uint16_t)0x0020U) /*!< Auto-Negotiation process completed */
+#define PHY_LINKED_STATUS ((uint16_t)0x0004U) /*!< Valid link established */
+#define PHY_JABBER_DETECTION ((uint16_t)0x0002U) /*!< Jabber condition detected */
+
+/* Section 4: Extended PHY Registers */
+#define PHY_SR ((uint16_t)0x10U) /*!< PHY status register Offset */
+
+#define PHY_SPEED_STATUS ((uint16_t)0x0002U) /*!< PHY Speed mask */
+#define PHY_DUPLEX_STATUS ((uint16_t)0x0004U) /*!< PHY Duplex mask */
+
+/* ################## SPI peripheral configuration ########################## */
+
+/* CRC FEATURE: Use to activate CRC feature inside HAL SPI Driver
+* Activated: CRC code is present inside driver
+* Deactivated: CRC code cleaned from driver
+*/
+
+#define USE_SPI_CRC 0U
+
+/* Includes ------------------------------------------------------------------*/
+/**
+ * @brief Include module's header file
+ */
+
+#ifdef HAL_RCC_MODULE_ENABLED
+ #include "stm32f4xx_hal_rcc.h"
+#endif /* HAL_RCC_MODULE_ENABLED */
+
+#ifdef HAL_EXTI_MODULE_ENABLED
+ #include "stm32f4xx_hal_exti.h"
+#endif /* HAL_EXTI_MODULE_ENABLED */
+
+#ifdef HAL_GPIO_MODULE_ENABLED
+ #include "stm32f4xx_hal_gpio.h"
+#endif /* HAL_GPIO_MODULE_ENABLED */
+
+#ifdef HAL_DMA_MODULE_ENABLED
+ #include "stm32f4xx_hal_dma.h"
+#endif /* HAL_DMA_MODULE_ENABLED */
+
+#ifdef HAL_CORTEX_MODULE_ENABLED
+ #include "stm32f4xx_hal_cortex.h"
+#endif /* HAL_CORTEX_MODULE_ENABLED */
+
+#ifdef HAL_ADC_MODULE_ENABLED
+ #include "stm32f4xx_hal_adc.h"
+#endif /* HAL_ADC_MODULE_ENABLED */
+
+#ifdef HAL_CAN_MODULE_ENABLED
+ #include "stm32f4xx_hal_can.h"
+#endif /* HAL_CAN_MODULE_ENABLED */
+
+#ifdef HAL_CRC_MODULE_ENABLED
+ #include "stm32f4xx_hal_crc.h"
+#endif /* HAL_CRC_MODULE_ENABLED */
+
+#ifdef HAL_CRYP_MODULE_ENABLED
+ #include "stm32f4xx_hal_cryp.h"
+#endif /* HAL_CRYP_MODULE_ENABLED */
+
+#ifdef HAL_DMA2D_MODULE_ENABLED
+ #include "stm32f4xx_hal_dma2d.h"
+#endif /* HAL_DMA2D_MODULE_ENABLED */
+
+#ifdef HAL_DAC_MODULE_ENABLED
+ #include "stm32f4xx_hal_dac.h"
+#endif /* HAL_DAC_MODULE_ENABLED */
+
+#ifdef HAL_DCMI_MODULE_ENABLED
+ #include "stm32f4xx_hal_dcmi.h"
+#endif /* HAL_DCMI_MODULE_ENABLED */
+
+#ifdef HAL_ETH_MODULE_ENABLED
+ #include "stm32f4xx_hal_eth.h"
+#endif /* HAL_ETH_MODULE_ENABLED */
+
+#ifdef HAL_FLASH_MODULE_ENABLED
+ #include "stm32f4xx_hal_flash.h"
+#endif /* HAL_FLASH_MODULE_ENABLED */
+
+#ifdef HAL_SRAM_MODULE_ENABLED
+ #include "stm32f4xx_hal_sram.h"
+#endif /* HAL_SRAM_MODULE_ENABLED */
+
+#ifdef HAL_NOR_MODULE_ENABLED
+ #include "stm32f4xx_hal_nor.h"
+#endif /* HAL_NOR_MODULE_ENABLED */
+
+#ifdef HAL_NAND_MODULE_ENABLED
+ #include "stm32f4xx_hal_nand.h"
+#endif /* HAL_NAND_MODULE_ENABLED */
+
+#ifdef HAL_PCCARD_MODULE_ENABLED
+ #include "stm32f4xx_hal_pccard.h"
+#endif /* HAL_PCCARD_MODULE_ENABLED */
+
+#ifdef HAL_SDRAM_MODULE_ENABLED
+ #include "stm32f4xx_hal_sdram.h"
+#endif /* HAL_SDRAM_MODULE_ENABLED */
+
+#ifdef HAL_HASH_MODULE_ENABLED
+ #include "stm32f4xx_hal_hash.h"
+#endif /* HAL_HASH_MODULE_ENABLED */
+
+#ifdef HAL_I2C_MODULE_ENABLED
+ #include "stm32f4xx_hal_i2c.h"
+#endif /* HAL_I2C_MODULE_ENABLED */
+
+#ifdef HAL_I2S_MODULE_ENABLED
+ #include "stm32f4xx_hal_i2s.h"
+#endif /* HAL_I2S_MODULE_ENABLED */
+
+#ifdef HAL_IWDG_MODULE_ENABLED
+ #include "stm32f4xx_hal_iwdg.h"
+#endif /* HAL_IWDG_MODULE_ENABLED */
+
+#ifdef HAL_LTDC_MODULE_ENABLED
+ #include "stm32f4xx_hal_ltdc.h"
+#endif /* HAL_LTDC_MODULE_ENABLED */
+
+#ifdef HAL_PWR_MODULE_ENABLED
+ #include "stm32f4xx_hal_pwr.h"
+#endif /* HAL_PWR_MODULE_ENABLED */
+
+#ifdef HAL_RNG_MODULE_ENABLED
+ #include "stm32f4xx_hal_rng.h"
+#endif /* HAL_RNG_MODULE_ENABLED */
+
+#ifdef HAL_RTC_MODULE_ENABLED
+ #include "stm32f4xx_hal_rtc.h"
+#endif /* HAL_RTC_MODULE_ENABLED */
+
+#ifdef HAL_SAI_MODULE_ENABLED
+ #include "stm32f4xx_hal_sai.h"
+#endif /* HAL_SAI_MODULE_ENABLED */
+
+#ifdef HAL_SD_MODULE_ENABLED
+ #include "stm32f4xx_hal_sd.h"
+#endif /* HAL_SD_MODULE_ENABLED */
+
+#ifdef HAL_MMC_MODULE_ENABLED
+ #include "stm32f4xx_hal_mmc.h"
+#endif /* HAL_MMC_MODULE_ENABLED */
+
+#ifdef HAL_SPI_MODULE_ENABLED
+ #include "stm32f4xx_hal_spi.h"
+#endif /* HAL_SPI_MODULE_ENABLED */
+
+#ifdef HAL_TIM_MODULE_ENABLED
+ #include "stm32f4xx_hal_tim.h"
+#endif /* HAL_TIM_MODULE_ENABLED */
+
+#ifdef HAL_UART_MODULE_ENABLED
+ #include "stm32f4xx_hal_uart.h"
+#endif /* HAL_UART_MODULE_ENABLED */
+
+#ifdef HAL_USART_MODULE_ENABLED
+ #include "stm32f4xx_hal_usart.h"
+#endif /* HAL_USART_MODULE_ENABLED */
+
+#ifdef HAL_IRDA_MODULE_ENABLED
+ #include "stm32f4xx_hal_irda.h"
+#endif /* HAL_IRDA_MODULE_ENABLED */
+
+#ifdef HAL_SMARTCARD_MODULE_ENABLED
+ #include "stm32f4xx_hal_smartcard.h"
+#endif /* HAL_SMARTCARD_MODULE_ENABLED */
+
+#ifdef HAL_WWDG_MODULE_ENABLED
+ #include "stm32f4xx_hal_wwdg.h"
+#endif /* HAL_WWDG_MODULE_ENABLED */
+
+#ifdef HAL_PCD_MODULE_ENABLED
+ #include "stm32f4xx_hal_pcd.h"
+#endif /* HAL_PCD_MODULE_ENABLED */
+
+#ifdef HAL_HCD_MODULE_ENABLED
+ #include "stm32f4xx_hal_hcd.h"
+#endif /* HAL_HCD_MODULE_ENABLED */
+
+#ifdef HAL_DSI_MODULE_ENABLED
+ #include "stm32f4xx_hal_dsi.h"
+#endif /* HAL_DSI_MODULE_ENABLED */
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+ #include "stm32f4xx_hal_qspi.h"
+#endif /* HAL_QSPI_MODULE_ENABLED */
+
+#ifdef HAL_CEC_MODULE_ENABLED
+ #include "stm32f4xx_hal_cec.h"
+#endif /* HAL_CEC_MODULE_ENABLED */
+
+#ifdef HAL_FMPI2C_MODULE_ENABLED
+ #include "stm32f4xx_hal_fmpi2c.h"
+#endif /* HAL_FMPI2C_MODULE_ENABLED */
+
+#ifdef HAL_SPDIFRX_MODULE_ENABLED
+ #include "stm32f4xx_hal_spdifrx.h"
+#endif /* HAL_SPDIFRX_MODULE_ENABLED */
+
+#ifdef HAL_DFSDM_MODULE_ENABLED
+ #include "stm32f4xx_hal_dfsdm.h"
+#endif /* HAL_DFSDM_MODULE_ENABLED */
+
+#ifdef HAL_LPTIM_MODULE_ENABLED
+ #include "stm32f4xx_hal_lptim.h"
+#endif /* HAL_LPTIM_MODULE_ENABLED */
+
+/* Exported macro ------------------------------------------------------------*/
+#ifdef USE_FULL_ASSERT
+/**
+ * @brief The assert_param macro is used for function's parameters check.
+ * @param expr: If expr is false, it calls assert_failed function
+ * which reports the name of the source file and the source
+ * line number of the call that failed.
+ * If expr is true, it returns no value.
+ * @retval None
+ */
+ #define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
+/* Exported functions ------------------------------------------------------- */
+ void assert_failed(uint8_t* file, uint32_t line);
+#else
+ #define assert_param(expr) ((void)0U)
+#endif /* USE_FULL_ASSERT */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F4xx_HAL_CONF_H */
+
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/ports/stm32f4/peripherals/stm32f4/periph.h b/ports/stm32f4/peripherals/stm32f4/periph.h
index ac98b89320..969a8e79b7 100644
--- a/ports/stm32f4/peripherals/stm32f4/periph.h
+++ b/ports/stm32f4/peripherals/stm32f4/periph.h
@@ -166,4 +166,10 @@ typedef struct {
#include "stm32f405xx/periph.h"
#endif
+#ifdef STM32F407xx
+#define HAS_DAC 1
+#define HAS_TRNG 1
+#include "stm32f407xx/periph.h"
+#endif
+
#endif // __MICROPY_INCLUDED_STM32F4_PERIPHERALS_PERIPH_H__
diff --git a/ports/stm32f4/peripherals/stm32f4/pins.h b/ports/stm32f4/peripherals/stm32f4/pins.h
index e6a32b64e1..44ef4c1baf 100644
--- a/ports/stm32f4/peripherals/stm32f4/pins.h
+++ b/ports/stm32f4/peripherals/stm32f4/pins.h
@@ -89,5 +89,8 @@ extern const mp_obj_type_t mcu_pin_type;
#ifdef STM32F405xx
#include "stm32f405xx/pins.h"
#endif
+#ifdef STM32F407xx
+#include "stm32f407xx/pins.h"
+#endif
#endif // __MICROPY_INCLUDED_STM32F4_PERIPHERALS_PINS_H__
diff --git a/ports/stm32f4/peripherals/stm32f4/stm32f405xx/clocks.c b/ports/stm32f4/peripherals/stm32f4/stm32f405xx/clocks.c
index c259f54fa1..2afca64e83 100644
--- a/ports/stm32f4/peripherals/stm32f4/stm32f405xx/clocks.c
+++ b/ports/stm32f4/peripherals/stm32f4/stm32f405xx/clocks.c
@@ -25,6 +25,7 @@
* THE SOFTWARE.
*/
#include "stm32f4xx_hal.h"
+#include "py/mpconfig.h"
void stm32f4_peripherals_clocks_init(void) {
//TODO: All parameters must be moved to board level, due to relationship with HSE Osc.
@@ -46,7 +47,7 @@ void stm32f4_peripherals_clocks_init(void) {
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
- RCC_OscInitStruct.PLL.PLLM = 12;
+ RCC_OscInitStruct.PLL.PLLM = BOARD_OSC_DIV;
RCC_OscInitStruct.PLL.PLLN = 336;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
diff --git a/ports/stm32f4/peripherals/stm32f4/stm32f407xx/clocks.c b/ports/stm32f4/peripherals/stm32f4/stm32f407xx/clocks.c
new file mode 100644
index 0000000000..2afca64e83
--- /dev/null
+++ b/ports/stm32f4/peripherals/stm32f4/stm32f407xx/clocks.c
@@ -0,0 +1,64 @@
+
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Lucian Copeland for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "stm32f4xx_hal.h"
+#include "py/mpconfig.h"
+
+void stm32f4_peripherals_clocks_init(void) {
+ //TODO: All parameters must be moved to board level, due to relationship with HSE Osc.
+
+ //System clock init
+ RCC_ClkInitTypeDef RCC_ClkInitStruct;
+ RCC_OscInitTypeDef RCC_OscInitStruct;
+
+ /* Enable Power Control clock */
+ __HAL_RCC_PWR_CLK_ENABLE();
+
+ /* The voltage scaling allows optimizing the power consumption when the device is
+ clocked below the maximum system frequency, to update the voltage scaling value
+ regarding system frequency refer to product datasheet. */
+ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+ /* Enable HSE Oscillator and activate PLL with HSE as source */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
+ RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+ RCC_OscInitStruct.PLL.PLLM = BOARD_OSC_DIV;
+ RCC_OscInitStruct.PLL.PLLN = 336;
+ RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
+ RCC_OscInitStruct.PLL.PLLQ = 7;
+ HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+ /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
+ clocks dividers */
+ RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
+ HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
+}
diff --git a/ports/stm32f4/peripherals/stm32f4/stm32f407xx/gpio.c b/ports/stm32f4/peripherals/stm32f4/stm32f407xx/gpio.c
new file mode 100644
index 0000000000..f9be3b4ec2
--- /dev/null
+++ b/ports/stm32f4/peripherals/stm32f4/stm32f407xx/gpio.c
@@ -0,0 +1,56 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Lucian Copeland for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "stm32f4xx_hal.h"
+#include "stm32f4/gpio.h"
+#include "common-hal/microcontroller/Pin.h"
+
+void stm32f4_peripherals_gpio_init(void) {
+ //Enable all GPIO for now
+ __HAL_RCC_GPIOC_CLK_ENABLE();
+ __HAL_RCC_GPIOA_CLK_ENABLE();
+ __HAL_RCC_GPIOB_CLK_ENABLE();
+
+ //Never reset pins
+ never_reset_pin_number(2,13); //PC13 anti tamp
+ never_reset_pin_number(2,14); //PC14 OSC32_IN
+ never_reset_pin_number(2,15); //PC15 OSC32_OUT
+ never_reset_pin_number(0,13); //PA13 SWDIO
+ never_reset_pin_number(0,14); //PA14 SWCLK
+ // never_reset_pin_number(0,15); //PA15 JTDI
+ // never_reset_pin_number(1,3); //PB3 JTDO
+ // never_reset_pin_number(1,4); //PB4 JTRST
+
+ // Port H is not included in GPIO port array
+ // never_reset_pin_number(5,0); //PH0 JTDO
+ // never_reset_pin_number(5,1); //PH1 JTRST
+}
+
+void stm32f4_peripherals_status_led(uint8_t led, uint8_t state) {
+
+}
+
+
diff --git a/ports/stm32f4/peripherals/stm32f4/stm32f407xx/periph.c b/ports/stm32f4/peripherals/stm32f4/stm32f407xx/periph.c
new file mode 100644
index 0000000000..bc03f7c7be
--- /dev/null
+++ b/ports/stm32f4/peripherals/stm32f4/stm32f407xx/periph.c
@@ -0,0 +1,194 @@
+ /*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Lucian Copeland for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "py/obj.h"
+#include "py/mphal.h"
+#include "stm32f4/pins.h"
+#include "stm32f4/periph.h"
+
+// I2C
+
+I2C_TypeDef * mcu_i2c_banks[3] = {I2C1, I2C2, I2C3};
+
+const mcu_i2c_sda_obj_t mcu_i2c_sda_list[4] = {
+ I2C_SDA(1, 4, &pin_PB07),
+ I2C_SDA(1, 4, &pin_PB09),
+ I2C_SDA(2, 4, &pin_PB11),
+ I2C_SDA(3, 4, &pin_PC09),
+};
+
+const mcu_i2c_scl_obj_t mcu_i2c_scl_list[4] = {
+ I2C_SCL(1, 4, &pin_PB06),
+ I2C_SCL(1, 4, &pin_PB08),
+ I2C_SCL(2, 4, &pin_PB10),
+ I2C_SCL(3, 4, &pin_PA08)
+};
+
+SPI_TypeDef * mcu_spi_banks[3] = {SPI1, SPI2, SPI3};
+
+const mcu_spi_sck_obj_t mcu_spi_sck_list[7] = {
+ SPI(1, 5, &pin_PA05),
+ SPI(1, 5, &pin_PB03),
+ SPI(2, 5, &pin_PB10),
+ SPI(2, 5, &pin_PB13),
+ SPI(2, 5, &pin_PC07),
+ SPI(3, 6, &pin_PB03),
+ SPI(3, 6, &pin_PC10),
+};
+
+const mcu_spi_mosi_obj_t mcu_spi_mosi_list[6] = {
+ SPI(1, 5, &pin_PA07),
+ SPI(1, 5, &pin_PB05),
+ SPI(2, 5, &pin_PB15),
+ SPI(2, 5, &pin_PC03),
+ SPI(3, 6, &pin_PB05),
+ SPI(3, 6, &pin_PC12),
+};
+
+const mcu_spi_miso_obj_t mcu_spi_miso_list[6] = {
+ SPI(1, 5, &pin_PA06),
+ SPI(1, 5, &pin_PB04),
+ SPI(2, 5, &pin_PB14),
+ SPI(2, 5, &pin_PC02),
+ SPI(3, 6, &pin_PB04),
+ SPI(3, 6, &pin_PC11),
+};
+
+const mcu_spi_nss_obj_t mcu_spi_nss_list[6] = {
+ SPI(1, 5, &pin_PA04),
+ SPI(1, 5, &pin_PA15),
+ SPI(2, 5, &pin_PB09),
+ SPI(2, 5, &pin_PB12),
+ SPI(3, 6, &pin_PA04),
+ SPI(3, 6, &pin_PA15),
+};
+
+USART_TypeDef * mcu_uart_banks[MAX_UART] = {USART1, USART2, USART3, UART4, UART5, USART6};
+bool mcu_uart_has_usart[MAX_UART] = {true, true, true, false, false, true};
+
+const mcu_uart_tx_obj_t mcu_uart_tx_list[12] = {
+ UART(4, 8, &pin_PA00),
+ UART(2, 7, &pin_PA02),
+ UART(1, 7, &pin_PA09),
+ UART(1, 7, &pin_PB06),
+ UART(3, 7, &pin_PB10),
+ UART(6, 8, &pin_PC06),
+ UART(3, 7, &pin_PC10),
+ UART(4, 8, &pin_PC10),
+ UART(5, 8, &pin_PC12),
+ UART(2, 7, &pin_PD05),
+ UART(3, 7, &pin_PD08),
+ UART(6, 8, &pin_PG14),
+};
+
+const mcu_uart_rx_obj_t mcu_uart_rx_list[12] = {
+ UART(4, 8, &pin_PA01),
+ UART(2, 7, &pin_PA03),
+ UART(1, 7, &pin_PA10),
+ UART(1, 7, &pin_PB07),
+ UART(3, 7, &pin_PB11),
+ UART(6, 8, &pin_PC07),
+ UART(3, 7, &pin_PC11),
+ UART(4, 8, &pin_PC11),
+ UART(5, 8, &pin_PD02),
+ UART(2, 7, &pin_PD06),
+ UART(3, 7, &pin_PD09),
+ UART(6, 8, &pin_PG09),
+};
+
+//Timers
+//TIM6 and TIM7 are basic timers that are only used by DAC, and don't have pins
+TIM_TypeDef * mcu_tim_banks[14] = {TIM1, TIM2, TIM3, TIM4, TIM5, NULL, NULL, TIM8, TIM9, TIM10,
+ TIM11, TIM12, TIM13, TIM14};
+
+const mcu_tim_pin_obj_t mcu_tim_pin_list[56] = {
+ TIM(2,1,1,&pin_PA00),
+ TIM(5,2,1,&pin_PA00),
+ TIM(2,1,2,&pin_PA01),
+ TIM(5,2,2,&pin_PA01),
+ TIM(2,1,3,&pin_PA02),
+ TIM(5,2,3,&pin_PA02),
+ TIM(2,1,4,&pin_PA03),
+ TIM(5,2,4,&pin_PA03),
+ TIM(9,3,1,&pin_PA02),
+ TIM(9,3,2,&pin_PA03),
+ TIM(3,2,1,&pin_PA06),
+ TIM(13,9,1,&pin_PA06),
+ TIM(3,2,2,&pin_PA07),
+ TIM(14,9,1,&pin_PA07),
+ TIM(1,1,1,&pin_PA08),
+ TIM(1,1,2,&pin_PA09),
+ TIM(1,1,3,&pin_PA10),
+ TIM(1,1,4,&pin_PA11),
+ TIM(2,1,1,&pin_PA15),
+ TIM(3,2,3,&pin_PB00),
+ TIM(3,2,4,&pin_PB01),
+ TIM(2,1,2,&pin_PB03),
+ TIM(3,2,1,&pin_PB04),
+ TIM(3,2,2,&pin_PB05),
+ TIM(4,2,1,&pin_PB06),
+ TIM(4,2,2,&pin_PB07),
+ TIM(4,2,3,&pin_PB08),
+ TIM(10,2,1,&pin_PB08),
+ TIM(4,2,4,&pin_PB09),
+ TIM(11,2,1,&pin_PB09),
+ TIM(2,1,3,&pin_PB10),
+ TIM(2,1,4,&pin_PB11),
+ TIM(12,9,1,&pin_PB14),
+ TIM(12,9,2,&pin_PB15),
+ TIM(3,2,1,&pin_PC06),
+ TIM(3,2,2,&pin_PC07),
+ TIM(3,2,3,&pin_PC08),
+ TIM(3,2,4,&pin_PC09),
+ TIM(8,3,1,&pin_PC06),
+ TIM(8,3,2,&pin_PC07),
+ TIM(8,3,3,&pin_PC08),
+ TIM(8,3,4,&pin_PC09),
+ TIM(4,2,1,&pin_PD12),
+ TIM(4,2,2,&pin_PD13),
+ TIM(4,2,3,&pin_PD14),
+ TIM(4,2,4,&pin_PD15),
+ TIM(9,3,1,&pin_PE05),
+ TIM(9,3,2,&pin_PE06),
+ TIM(1,1,1,&pin_PE09),
+ TIM(1,1,2,&pin_PE11),
+ TIM(1,1,3,&pin_PE13),
+ TIM(1,1,4,&pin_PE14),
+ TIM(10,3,1,&pin_PF06),
+ TIM(11,3,1,&pin_PF07),
+ TIM(13,9,1,&pin_PF08),
+ TIM(14,9,1,&pin_PF09),
+ // TIM(12,9,1,&pin_PH06), //TODO: include these when pin map is expanded
+ // TIM(12,9,2,&pin_PH09),
+ // TIM(5,2,1,&pin_PH10),
+ // TIM(5,2,2,&pin_PH11),
+ // TIM(5,2,3,&pin_PH12),
+ // TIM(5,2,4,&pin_PI00),
+ // TIM(8,3,4,&pin_PI02),
+ // TIM(8,3,1,&pin_PI05),
+ // TIM(8,3,2,&pin_PI06),
+ // TIM(8,3,3,&pin_PI07),
+};
diff --git a/ports/stm32f4/peripherals/stm32f4/stm32f407xx/periph.h b/ports/stm32f4/peripherals/stm32f4/stm32f407xx/periph.h
new file mode 100644
index 0000000000..e87e798574
--- /dev/null
+++ b/ports/stm32f4/peripherals/stm32f4/stm32f407xx/periph.h
@@ -0,0 +1,57 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Lucian Copeland for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_STM32F4_PERIPHERALS_STM32F405XX_PERIPH_H
+#define MICROPY_INCLUDED_STM32F4_PERIPHERALS_STM32F405XX_PERIPH_H
+
+//I2C
+extern I2C_TypeDef * mcu_i2c_banks[3];
+
+extern const mcu_i2c_sda_obj_t mcu_i2c_sda_list[4];
+extern const mcu_i2c_scl_obj_t mcu_i2c_scl_list[4];
+
+//SPI
+extern SPI_TypeDef * mcu_spi_banks[3];
+
+extern const mcu_spi_sck_obj_t mcu_spi_sck_list[7];
+extern const mcu_spi_mosi_obj_t mcu_spi_mosi_list[6];
+extern const mcu_spi_miso_obj_t mcu_spi_miso_list[6];
+extern const mcu_spi_nss_obj_t mcu_spi_nss_list[6];
+
+//UART
+extern USART_TypeDef * mcu_uart_banks[MAX_UART];
+extern bool mcu_uart_has_usart[MAX_UART];
+
+extern const mcu_uart_tx_obj_t mcu_uart_tx_list[12];
+extern const mcu_uart_rx_obj_t mcu_uart_rx_list[12];
+
+//Timers
+#define TIM_BANK_ARRAY_LEN 14
+#define TIM_PIN_ARRAY_LEN 56
+TIM_TypeDef * mcu_tim_banks[TIM_BANK_ARRAY_LEN];
+const mcu_tim_pin_obj_t mcu_tim_pin_list[TIM_PIN_ARRAY_LEN];
+
+#endif // MICROPY_INCLUDED_STM32F4_PERIPHERALS_STM32F405XX_PERIPH_H
\ No newline at end of file
diff --git a/ports/stm32f4/peripherals/stm32f4/stm32f407xx/pins.c b/ports/stm32f4/peripherals/stm32f4/stm32f407xx/pins.c
new file mode 100644
index 0000000000..86445fe140
--- /dev/null
+++ b/ports/stm32f4/peripherals/stm32f4/stm32f407xx/pins.c
@@ -0,0 +1,161 @@
+ /*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Lucian Copeland for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "py/obj.h"
+#include "py/mphal.h"
+#include "stm32f4/pins.h"
+
+const mcu_pin_obj_t pin_PE02 = PIN(4, 2, NO_ADC);
+const mcu_pin_obj_t pin_PE03 = PIN(4, 3, NO_ADC);
+const mcu_pin_obj_t pin_PE04 = PIN(4, 4, NO_ADC);
+const mcu_pin_obj_t pin_PE05 = PIN(4, 5, NO_ADC);
+const mcu_pin_obj_t pin_PE06 = PIN(4, 6, NO_ADC);
+
+const mcu_pin_obj_t pin_PC13 = PIN(2, 13, NO_ADC); //anti-tamp
+const mcu_pin_obj_t pin_PC14 = PIN(2, 14, NO_ADC); //OSC32_IN
+const mcu_pin_obj_t pin_PC15 = PIN(2, 15, NO_ADC); //OSC32_OUT
+
+const mcu_pin_obj_t pin_PF00 = PIN(5, 0, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PF01 = PIN(5, 1, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PF02 = PIN(5, 2, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PF03 = PIN(5, 3, ADC_INPUT(ADC_3,9)); // 144 only
+const mcu_pin_obj_t pin_PF04 = PIN(5, 4, ADC_INPUT(ADC_3,14)); // 144 only
+const mcu_pin_obj_t pin_PF05 = PIN(5, 5, ADC_INPUT(ADC_3,15)); // 144 only
+const mcu_pin_obj_t pin_PF06 = PIN(5, 6, ADC_INPUT(ADC_3,4)); // 144 only
+const mcu_pin_obj_t pin_PF07 = PIN(5, 7, ADC_INPUT(ADC_3,5)); // 144 only
+const mcu_pin_obj_t pin_PF08 = PIN(5, 8, ADC_INPUT(ADC_3,6)); // 144 only
+const mcu_pin_obj_t pin_PF09 = PIN(5, 9, ADC_INPUT(ADC_3,7)); // 144 only
+const mcu_pin_obj_t pin_PF10 = PIN(5, 10, ADC_INPUT(ADC_3,8)); // 144 only
+
+const mcu_pin_obj_t pin_PC00 = PIN(2, 0, ADC_INPUT(ADC_123,10));
+const mcu_pin_obj_t pin_PC01 = PIN(2, 1, ADC_INPUT(ADC_123,11));
+const mcu_pin_obj_t pin_PC02 = PIN(2, 2, ADC_INPUT(ADC_123,12));
+const mcu_pin_obj_t pin_PC03 = PIN(2, 3, ADC_INPUT(ADC_123,13));
+
+const mcu_pin_obj_t pin_PA00 = PIN(0, 0, ADC_INPUT(ADC_123,0));
+const mcu_pin_obj_t pin_PA01 = PIN(0, 1, ADC_INPUT(ADC_123,1));
+const mcu_pin_obj_t pin_PA02 = PIN(0, 2, ADC_INPUT(ADC_123,2));
+const mcu_pin_obj_t pin_PA03 = PIN(0, 3, ADC_INPUT(ADC_123,3));
+const mcu_pin_obj_t pin_PA04 = PIN(0, 4, ADC_INPUT(ADC_12,4));
+const mcu_pin_obj_t pin_PA05 = PIN(0, 5, ADC_INPUT(ADC_12,5));
+const mcu_pin_obj_t pin_PA06 = PIN(0, 6, ADC_INPUT(ADC_12,6));
+const mcu_pin_obj_t pin_PA07 = PIN(0, 7, ADC_INPUT(ADC_12,7));
+
+const mcu_pin_obj_t pin_PC04 = PIN(2, 4, ADC_INPUT(ADC_12,14));
+const mcu_pin_obj_t pin_PC05 = PIN(2, 5, ADC_INPUT(ADC_12,15));
+
+const mcu_pin_obj_t pin_PB00 = PIN(1, 0, ADC_INPUT(ADC_12,8));
+const mcu_pin_obj_t pin_PB01 = PIN(1, 1, ADC_INPUT(ADC_12,9));
+const mcu_pin_obj_t pin_PB02 = PIN(1, 2, NO_ADC); //BOOT1
+
+const mcu_pin_obj_t pin_PF11 = PIN(5, 11, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PF12 = PIN(5, 12, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PF13 = PIN(5, 13, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PF14 = PIN(5, 14, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PF15 = PIN(5, 15, NO_ADC); // 144 only
+
+const mcu_pin_obj_t pin_PG00 = PIN(6, 0, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PG01 = PIN(6, 1, NO_ADC); // 144 only
+
+const mcu_pin_obj_t pin_PE07 = PIN(4, 7, NO_ADC);
+const mcu_pin_obj_t pin_PE08 = PIN(4, 8, NO_ADC);
+const mcu_pin_obj_t pin_PE09 = PIN(4, 9, NO_ADC);
+const mcu_pin_obj_t pin_PE10 = PIN(4, 10, NO_ADC);
+const mcu_pin_obj_t pin_PE11 = PIN(4, 11, NO_ADC);
+const mcu_pin_obj_t pin_PE12 = PIN(4, 12, NO_ADC);
+const mcu_pin_obj_t pin_PE13 = PIN(4, 13, NO_ADC);
+const mcu_pin_obj_t pin_PE14 = PIN(4, 14, NO_ADC);
+const mcu_pin_obj_t pin_PE15 = PIN(4, 15, NO_ADC);
+
+const mcu_pin_obj_t pin_PB10 = PIN(1, 10, NO_ADC);
+const mcu_pin_obj_t pin_PB11 = PIN(1, 11, NO_ADC);
+const mcu_pin_obj_t pin_PB12 = PIN(1, 12, NO_ADC);
+const mcu_pin_obj_t pin_PB13 = PIN(1, 13, NO_ADC);
+const mcu_pin_obj_t pin_PB14 = PIN(1, 14, NO_ADC);
+const mcu_pin_obj_t pin_PB15 = PIN(1, 15, NO_ADC);
+
+const mcu_pin_obj_t pin_PD08 = PIN(3, 8, NO_ADC);
+const mcu_pin_obj_t pin_PD09 = PIN(3, 9, NO_ADC);
+const mcu_pin_obj_t pin_PD10 = PIN(3, 10, NO_ADC);
+const mcu_pin_obj_t pin_PD11 = PIN(3, 11, NO_ADC);
+const mcu_pin_obj_t pin_PD12 = PIN(3, 12, NO_ADC);
+const mcu_pin_obj_t pin_PD13 = PIN(3, 13, NO_ADC);
+const mcu_pin_obj_t pin_PD14 = PIN(3, 14, NO_ADC);
+const mcu_pin_obj_t pin_PD15 = PIN(3, 15, NO_ADC);
+
+const mcu_pin_obj_t pin_PG02 = PIN(6, 2, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PG03 = PIN(6, 3, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PG04 = PIN(6, 4, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PG05 = PIN(6, 5, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PG06 = PIN(6, 6, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PG07 = PIN(6, 7, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PG08 = PIN(6, 8, NO_ADC); // 144 only
+
+const mcu_pin_obj_t pin_PC06 = PIN(2, 6, NO_ADC);
+const mcu_pin_obj_t pin_PC07 = PIN(2, 7, NO_ADC);
+const mcu_pin_obj_t pin_PC08 = PIN(2, 8, NO_ADC);
+const mcu_pin_obj_t pin_PC09 = PIN(2, 9, NO_ADC);
+
+const mcu_pin_obj_t pin_PA08 = PIN(0, 8, NO_ADC);
+const mcu_pin_obj_t pin_PA09 = PIN(0, 9, NO_ADC);
+const mcu_pin_obj_t pin_PA10 = PIN(0, 10, NO_ADC);
+const mcu_pin_obj_t pin_PA11 = PIN(0, 11, NO_ADC);
+const mcu_pin_obj_t pin_PA12 = PIN(0, 12, NO_ADC);
+const mcu_pin_obj_t pin_PA13 = PIN(0, 13, NO_ADC);
+const mcu_pin_obj_t pin_PA14 = PIN(0, 14, NO_ADC);
+const mcu_pin_obj_t pin_PA15 = PIN(0, 15, NO_ADC);
+
+const mcu_pin_obj_t pin_PC10 = PIN(2, 10, NO_ADC);
+const mcu_pin_obj_t pin_PC11 = PIN(2, 11, NO_ADC);
+const mcu_pin_obj_t pin_PC12 = PIN(2, 12, NO_ADC);
+
+const mcu_pin_obj_t pin_PD00 = PIN(3, 0, NO_ADC);
+const mcu_pin_obj_t pin_PD01 = PIN(3, 1, NO_ADC);
+const mcu_pin_obj_t pin_PD02 = PIN(3, 2, NO_ADC);
+const mcu_pin_obj_t pin_PD03 = PIN(3, 3, NO_ADC);
+const mcu_pin_obj_t pin_PD04 = PIN(3, 4, NO_ADC);
+const mcu_pin_obj_t pin_PD05 = PIN(3, 5, NO_ADC);
+const mcu_pin_obj_t pin_PD06 = PIN(3, 6, NO_ADC);
+const mcu_pin_obj_t pin_PD07 = PIN(3, 7, NO_ADC);
+
+const mcu_pin_obj_t pin_PG09 = PIN(6, 9, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PG10 = PIN(6, 10, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PG11 = PIN(6, 11, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PG12 = PIN(6, 12, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PG13 = PIN(6, 13, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PG14 = PIN(6, 14, NO_ADC); // 144 only
+const mcu_pin_obj_t pin_PG15 = PIN(6, 15, NO_ADC); // 144 only
+
+const mcu_pin_obj_t pin_PB03 = PIN(1, 3, NO_ADC);
+const mcu_pin_obj_t pin_PB04 = PIN(1, 4, NO_ADC);
+const mcu_pin_obj_t pin_PB05 = PIN(1, 5, NO_ADC);
+const mcu_pin_obj_t pin_PB06 = PIN(1, 6, NO_ADC);
+const mcu_pin_obj_t pin_PB07 = PIN(1, 7, NO_ADC);
+const mcu_pin_obj_t pin_PB08 = PIN(1, 8, NO_ADC);
+const mcu_pin_obj_t pin_PB09 = PIN(1, 9, NO_ADC);
+
+const mcu_pin_obj_t pin_PE00 = PIN(4, 0, NO_ADC);
+const mcu_pin_obj_t pin_PE01 = PIN(4, 1, NO_ADC);
diff --git a/ports/stm32f4/peripherals/stm32f4/stm32f407xx/pins.h b/ports/stm32f4/peripherals/stm32f4/stm32f407xx/pins.h
new file mode 100644
index 0000000000..180f5c316f
--- /dev/null
+++ b/ports/stm32f4/peripherals/stm32f4/stm32f407xx/pins.h
@@ -0,0 +1,158 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Lucian Copeland for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_STM32F4_PERIPHERALS_STM32F412ZG_PINS_H
+#define MICROPY_INCLUDED_STM32F4_PERIPHERALS_STM32F412ZG_PINS_H
+
+//Pins in datasheet order: DocID028087 Rev 7 page 50. LQFP100 only
+//pg 50
+extern const mcu_pin_obj_t pin_PE02;
+extern const mcu_pin_obj_t pin_PE03;
+extern const mcu_pin_obj_t pin_PE04;
+extern const mcu_pin_obj_t pin_PE05;
+extern const mcu_pin_obj_t pin_PE06;
+extern const mcu_pin_obj_t pin_PC13;
+extern const mcu_pin_obj_t pin_PC14;
+//pg 51
+extern const mcu_pin_obj_t pin_PC15;
+extern const mcu_pin_obj_t pin_PF00; // 144 only
+extern const mcu_pin_obj_t pin_PF01; // 144 only
+extern const mcu_pin_obj_t pin_PF02; // 144 only
+extern const mcu_pin_obj_t pin_PF03; // 144 only
+extern const mcu_pin_obj_t pin_PF04; // 144 only
+extern const mcu_pin_obj_t pin_PF05; // 144 only
+extern const mcu_pin_obj_t pin_PF06; // 144 only
+extern const mcu_pin_obj_t pin_PF07; // 144 only
+extern const mcu_pin_obj_t pin_PF08; // 144 only
+extern const mcu_pin_obj_t pin_PF09; // 144 only
+extern const mcu_pin_obj_t pin_PF10; // 144 only
+//pg 52
+extern const mcu_pin_obj_t pin_PC00;
+extern const mcu_pin_obj_t pin_PC01;
+extern const mcu_pin_obj_t pin_PC02;
+extern const mcu_pin_obj_t pin_PC03;
+extern const mcu_pin_obj_t pin_PA00;
+extern const mcu_pin_obj_t pin_PA01;
+extern const mcu_pin_obj_t pin_PA02;
+//pg 53
+extern const mcu_pin_obj_t pin_PA03;
+extern const mcu_pin_obj_t pin_PA04;
+extern const mcu_pin_obj_t pin_PA05;
+extern const mcu_pin_obj_t pin_PA06;
+extern const mcu_pin_obj_t pin_PA07;
+extern const mcu_pin_obj_t pin_PC04;
+//pg 54
+extern const mcu_pin_obj_t pin_PC05;
+extern const mcu_pin_obj_t pin_PB00;
+extern const mcu_pin_obj_t pin_PB01;
+extern const mcu_pin_obj_t pin_PB02;
+extern const mcu_pin_obj_t pin_PF11; // 144 only
+extern const mcu_pin_obj_t pin_PF12; // 144 only
+extern const mcu_pin_obj_t pin_PF13; // 144 only
+extern const mcu_pin_obj_t pin_PF14; // 144 only
+extern const mcu_pin_obj_t pin_PF15; // 144 only
+extern const mcu_pin_obj_t pin_PG00; // 144 only
+extern const mcu_pin_obj_t pin_PG01; // 144 only
+//pg 55
+extern const mcu_pin_obj_t pin_PE07;
+extern const mcu_pin_obj_t pin_PE08;
+extern const mcu_pin_obj_t pin_PE09;
+extern const mcu_pin_obj_t pin_PE10;
+extern const mcu_pin_obj_t pin_PE11;
+extern const mcu_pin_obj_t pin_PE12;
+extern const mcu_pin_obj_t pin_PE13;
+extern const mcu_pin_obj_t pin_PE14;
+//pg 56
+extern const mcu_pin_obj_t pin_PE15;
+extern const mcu_pin_obj_t pin_PB10;
+extern const mcu_pin_obj_t pin_PB11; // 144 only
+extern const mcu_pin_obj_t pin_PB12;
+extern const mcu_pin_obj_t pin_PB13;
+//pg 57
+extern const mcu_pin_obj_t pin_PB14;
+extern const mcu_pin_obj_t pin_PB15;
+extern const mcu_pin_obj_t pin_PD08;
+extern const mcu_pin_obj_t pin_PD09;
+extern const mcu_pin_obj_t pin_PD10;
+extern const mcu_pin_obj_t pin_PD11;
+extern const mcu_pin_obj_t pin_PD12;
+//pg 58
+extern const mcu_pin_obj_t pin_PD13;
+extern const mcu_pin_obj_t pin_PD14;
+extern const mcu_pin_obj_t pin_PD15;
+extern const mcu_pin_obj_t pin_PG02; // 144 only
+extern const mcu_pin_obj_t pin_PG03; // 144 only
+extern const mcu_pin_obj_t pin_PG04; // 144 only
+extern const mcu_pin_obj_t pin_PG05; // 144 only
+extern const mcu_pin_obj_t pin_PG06; // 144 only
+extern const mcu_pin_obj_t pin_PG07; // 144 only
+extern const mcu_pin_obj_t pin_PG08; // 144 only
+//pg 59
+extern const mcu_pin_obj_t pin_PC06;
+extern const mcu_pin_obj_t pin_PC07;
+extern const mcu_pin_obj_t pin_PC08;
+extern const mcu_pin_obj_t pin_PC09;
+extern const mcu_pin_obj_t pin_PA08;
+extern const mcu_pin_obj_t pin_PA09;
+extern const mcu_pin_obj_t pin_PA10;
+//pg 60
+extern const mcu_pin_obj_t pin_PA11;
+extern const mcu_pin_obj_t pin_PA12;
+extern const mcu_pin_obj_t pin_PA13;
+extern const mcu_pin_obj_t pin_PA14;
+extern const mcu_pin_obj_t pin_PA15;
+extern const mcu_pin_obj_t pin_PC10;
+extern const mcu_pin_obj_t pin_PC11;
+//pg 61
+extern const mcu_pin_obj_t pin_PC12;
+extern const mcu_pin_obj_t pin_PD00;
+extern const mcu_pin_obj_t pin_PD01;
+extern const mcu_pin_obj_t pin_PD02;
+extern const mcu_pin_obj_t pin_PD03;
+extern const mcu_pin_obj_t pin_PD04;
+extern const mcu_pin_obj_t pin_PD05;
+extern const mcu_pin_obj_t pin_PD06;
+extern const mcu_pin_obj_t pin_PD07;
+//pg 62
+extern const mcu_pin_obj_t pin_PG09; // 144 only
+extern const mcu_pin_obj_t pin_PG10; // 144 only
+extern const mcu_pin_obj_t pin_PG11; // 144 only
+extern const mcu_pin_obj_t pin_PG12; // 144 only
+extern const mcu_pin_obj_t pin_PG13; // 144 only
+extern const mcu_pin_obj_t pin_PG14; // 144 only
+extern const mcu_pin_obj_t pin_PG15; // 144 only
+extern const mcu_pin_obj_t pin_PB03;
+extern const mcu_pin_obj_t pin_PB04;
+//pg 63
+extern const mcu_pin_obj_t pin_PB05;
+extern const mcu_pin_obj_t pin_PB06;
+extern const mcu_pin_obj_t pin_PB07;
+extern const mcu_pin_obj_t pin_PB08;
+extern const mcu_pin_obj_t pin_PB09;
+extern const mcu_pin_obj_t pin_PE00;
+extern const mcu_pin_obj_t pin_PE01;
+
+#endif // MICROPY_INCLUDED_STM32F4_PERIPHERALS_STM32F412ZG_PINS_H
diff --git a/ports/stm32f4/peripherals/stm32f4/stm32f412zx/clocks.c b/ports/stm32f4/peripherals/stm32f4/stm32f412zx/clocks.c
index 1070565507..b208f9dfb3 100644
--- a/ports/stm32f4/peripherals/stm32f4/stm32f412zx/clocks.c
+++ b/ports/stm32f4/peripherals/stm32f4/stm32f412zx/clocks.c
@@ -25,6 +25,7 @@
* THE SOFTWARE.
*/
#include "stm32f4xx_hal.h"
+#include "py/mpconfig.h"
void stm32f4_peripherals_clocks_init(void) {
//System clock init
@@ -46,7 +47,7 @@ void stm32f4_peripherals_clocks_init(void) {
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
- RCC_OscInitStruct.PLL.PLLM = 8;
+ RCC_OscInitStruct.PLL.PLLM = BOARD_OSC_DIV;
RCC_OscInitStruct.PLL.PLLN = 200;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
diff --git a/ports/stm32f4/supervisor/internal_flash.h b/ports/stm32f4/supervisor/internal_flash.h
index 8991fb8aa0..9f16a799d8 100644
--- a/ports/stm32f4/supervisor/internal_flash.h
+++ b/ports/stm32f4/supervisor/internal_flash.h
@@ -52,6 +52,11 @@
#define INTERNAL_FLASH_FILESYSTEM_SIZE 0xC000 //48KiB
#endif
+#ifdef STM32F407xx
+#define STM32_FLASH_SIZE 0x100000 //1MB
+#define INTERNAL_FLASH_FILESYSTEM_SIZE 0xC000 //48KiB
+#endif
+
#define STM32_FLASH_OFFSET 0x8000000 //All STM32 chips map to this flash location
#define INTERNAL_FLASH_FILESYSTEM_START_ADDR 0x08004000