stm32/boards: Add board config for Nucleo-F412ZG development board.

ports/stm32/boards/NUCLEO_F412ZG/mpconfigboard.h

@@ -0,0 +1,82 @@
+#define MICROPY_HW_BOARD_NAME       "NUCLEO-F412ZG"
+#define MICROPY_HW_MCU_NAME         "STM32F412Zx"
+
+#define MICROPY_HW_HAS_SWITCH       (1)
+#define MICROPY_HW_HAS_FLASH        (1)
+#define MICROPY_HW_ENABLE_RNG       (1)
+#define MICROPY_HW_ENABLE_RTC       (1)
+#define MICROPY_HW_ENABLE_USB       (1)
+
+// HSE is 8MHz, CPU freq set to 96MHz
+#define MICROPY_HW_CLK_PLLM         (8)
+#define MICROPY_HW_CLK_PLLN         (192)
+#define MICROPY_HW_CLK_PLLP         (RCC_PLLP_DIV2)
+#define MICROPY_HW_CLK_PLLQ         (4)
+
+#define MICROPY_HW_UART1_TX         (pin_B6)
+#define MICROPY_HW_UART1_RX         (pin_B3)
+#define MICROPY_HW_UART2_TX         (pin_D5)
+#define MICROPY_HW_UART2_RX         (pin_D6)
+#define MICROPY_HW_UART3_TX         (pin_D8)
+#define MICROPY_HW_UART3_RX         (pin_D9)
+#define MICROPY_HW_UART6_TX         (pin_G14)
+#define MICROPY_HW_UART6_RX         (pin_G9)
+#define MICROPY_HW_UART_REPL        PYB_UART_3
+#define MICROPY_HW_UART_REPL_BAUD   115200
+
+// I2C buses
+#define MICROPY_HW_I2C1_SCL         (pin_B8)
+#define MICROPY_HW_I2C1_SDA         (pin_B9)
+#define MICROPY_HW_I2C2_SCL         (pin_F1)
+#define MICROPY_HW_I2C2_SDA         (pin_F0)
+#define MICROPY_HW_I2C3_SCL         (pin_A8)
+#define MICROPY_HW_I2C3_SDA         (pin_C9)
+
+// SPI buses
+#define MICROPY_HW_SPI1_NSS         (pin_A4) // shared with DAC
+#define MICROPY_HW_SPI1_SCK         (pin_A5) // shared with DAC
+#define MICROPY_HW_SPI1_MISO        (pin_A6)
+#define MICROPY_HW_SPI1_MOSI        (pin_A7)
+#define MICROPY_HW_SPI2_NSS         (pin_B12)
+#define MICROPY_HW_SPI2_SCK         (pin_C7)
+#define MICROPY_HW_SPI2_MISO        (pin_C2)
+#define MICROPY_HW_SPI2_MOSI        (pin_C3)
+#define MICROPY_HW_SPI3_NSS         (pin_A15)
+#define MICROPY_HW_SPI3_SCK         (pin_C10)
+#define MICROPY_HW_SPI3_MISO        (pin_C11)
+#define MICROPY_HW_SPI3_MOSI        (pin_B5)
+#define MICROPY_HW_SPI4_NSS         (pin_E4)
+#define MICROPY_HW_SPI4_SCK         (pin_B13)
+#define MICROPY_HW_SPI4_MISO        (pin_E5)
+#define MICROPY_HW_SPI4_MOSI        (pin_E6)
+#define MICROPY_HW_SPI5_NSS         (pin_E11)
+#define MICROPY_HW_SPI5_SCK         (pin_E12)
+#define MICROPY_HW_SPI5_MISO        (pin_E13)
+#define MICROPY_HW_SPI5_MOSI        (pin_E14)
+
+// CAN buses
+#define MICROPY_HW_CAN1_TX          (pin_G1)
+#define MICROPY_HW_CAN1_RX          (pin_G0)
+#define MICROPY_HW_CAN2_TX          (pin_G12)
+#define MICROPY_HW_CAN2_RX          (pin_G11)
+
+// USRSW is pulled low. Pressing the button makes the input go high.
+#define MICROPY_HW_USRSW_PIN        (pin_C13)
+#define MICROPY_HW_USRSW_PULL       (GPIO_NOPULL)
+#define MICROPY_HW_USRSW_EXTI_MODE  (GPIO_MODE_IT_RISING)
+#define MICROPY_HW_USRSW_PRESSED    (1)
+
+// LEDs
+#define MICROPY_HW_LED1             (pin_B0) // Green
+#define MICROPY_HW_LED2             (pin_B7) // Blue
+#define MICROPY_HW_LED3             (pin_B14) // Red
+#define MICROPY_HW_LED1_PWM         { TIM1, 1, TIM_CHANNEL_2, GPIO_AF1_TIM1 }
+#define MICROPY_HW_LED2_PWM         { TIM4, 4, TIM_CHANNEL_2, GPIO_AF2_TIM4 }
+#define MICROPY_HW_LED3_PWM         { TIM12, 12, TIM_CHANNEL_1, GPIO_AF9_TIM12 }
+#define MICROPY_HW_LED_ON(pin)      (mp_hal_pin_high(pin))
+#define MICROPY_HW_LED_OFF(pin)     (mp_hal_pin_low(pin))
+
+// USB config (CN13 - USB OTG FS)
+#define MICROPY_HW_USB_FS           (1)
+#define MICROPY_HW_USB_VBUS_DETECT_PIN (pin_A9)
+#define MICROPY_HW_USB_OTG_ID_PIN   (pin_A10)

ports/stm32/boards/NUCLEO_F412ZG/mpconfigboard.mk

@@ -0,0 +1,6 @@
+MCU_SERIES = f4
+CMSIS_MCU = STM32F412Zx
+AF_FILE = boards/stm32f412_af.csv
+LD_FILES = boards/stm32f412zx.ld boards/common_ifs.ld
+TEXT0_ADDR = 0x08000000
+TEXT1_ADDR = 0x08020000

ports/stm32/boards/NUCLEO_F412ZG/pins.csv

@@ -0,0 +1,118 @@
+PA0,PA0
+PA1,PA1
+PA2,PA2
+PA3,PA3
+PA4,PA4
+PA5,PA5
+PA6,PA6
+PA7,PA7
+PA8,PA8
+PA9,PA9
+PA10,PA10
+PA11,PA11
+PA12,PA12
+PA13,PA13
+PA14,PA14
+PA15,PA15
+PB0,PB0
+PB1,PB1
+PB2,PB2
+PB3,PB3
+PB4,PB4
+PB5,PB5
+PB6,PB6
+PB7,PB7
+PB8,PB8
+PB9,PB9
+PB10,PB10
+PB11,PB11
+PB12,PB12
+PB13,PB13
+PB14,PB14
+PB15,PB15
+PC0,PC0
+PC1,PC1
+PC2,PC2
+PC3,PC3
+PC4,PC4
+PC5,PC5
+PC6,PC6
+PC7,PC7
+PC8,PC8
+PC9,PC9
+PC10,PC10
+PC11,PC11
+PC12,PC12
+PC13,PC13
+PC14,PC14
+PC15,PC15
+PD0,PD0
+PD1,PD1
+PD2,PD2
+PD3,PD3
+PD4,PD4
+PD5,PD5
+PD6,PD6
+PD7,PD7
+PD8,PD8
+PD9,PD9
+PD10,PD10
+PD11,PD11
+PD12,PD12
+PD13,PD13
+PD14,PD14
+PD15,PD15
+PE0,PE0
+PE1,PE1
+PE2,PE2
+PE3,PE3
+PE4,PE4
+PE5,PE5
+PE6,PE6
+PE7,PE7
+PE8,PE8
+PE9,PE9
+PE10,PE10
+PE11,PE11
+PE12,PE12
+PE13,PE13
+PE14,PE14
+PE15,PE15
+PF0,PF0
+PF1,PF1
+PF2,PF2
+PF3,PF3
+PF4,PF4
+PF5,PF5
+PF6,PF6
+PF7,PF7
+PF8,PF8
+PF9,PF9
+PF10,PF10
+PF11,PF11
+PF12,PF12
+PF13,PF13
+PF14,PF14
+PF15,PF15
+PG0,PG0
+PG1,PG1
+PG2,PG2
+PG3,PG3
+PG4,PG4
+PG5,PG5
+PG6,PG6
+PG7,PG7
+PG8,PG8
+PG9,PG9
+PG10,PG10
+PG11,PG11
+PG12,PG12
+PG13,PG13
+PG14,PG14
+PG15,PG15
+PH0,PH0
+PH1,PH1
+SW,C13
+LED_RED,B14
+LED_GREEN,B0
+LED_BLUE,B7

ports/stm32/boards/NUCLEO_F412ZG/stm32f4xx_hal_conf.h

@@ -0,0 +1,19 @@
+/* This file is part of the MicroPython project, http://micropython.org/
+ * The MIT License (MIT)
+ * Copyright (c) 2019 Damien P. George
+ */
+#ifndef MICROPY_INCLUDED_STM32F4XX_HAL_CONF_H
+#define MICROPY_INCLUDED_STM32F4XX_HAL_CONF_H
+
+#include "boards/stm32f4xx_hal_conf_base.h"
+
+// Oscillator values in Hz
+#define HSE_VALUE (8000000)
+#define LSE_VALUE (32768)
+#define EXTERNAL_CLOCK_VALUE (12288000)
+
+// Oscillator timeouts in ms
+#define HSE_STARTUP_TIMEOUT (100)
+#define LSE_STARTUP_TIMEOUT (5000)
+
+#endif // MICROPY_INCLUDED_STM32F4XX_HAL_CONF_H