90 lines
3.3 KiB
C
90 lines
3.3 KiB
C
#define STM32F7DISC
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#define MICROPY_HW_BOARD_NAME "F7DISC"
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#define MICROPY_HW_MCU_NAME "STM32F746"
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#define MICROPY_HW_HAS_SWITCH (1)
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#define MICROPY_HW_HAS_SDCARD (1)
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#define MICROPY_HW_HAS_MMA7660 (0)
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#define MICROPY_HW_HAS_LIS3DSH (0)
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#define MICROPY_HW_HAS_LCD (0)
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#define MICROPY_HW_ENABLE_RNG (1)
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#define MICROPY_HW_ENABLE_RTC (1)
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#define MICROPY_HW_ENABLE_TIMER (1)
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#define MICROPY_HW_ENABLE_SERVO (0)
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#define MICROPY_HW_ENABLE_DAC (0)
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#define MICROPY_HW_ENABLE_CAN (1)
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#define MICROPY_BOARD_EARLY_INIT STM32F7DISC_board_early_init
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void STM32F7DISC_board_early_init(void);
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// HSE is 25MHz
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#define MICROPY_HW_CLK_PLLM (25)
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#define MICROPY_HW_CLK_PLLN (336)
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#define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV2)
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#define MICROPY_HW_CLK_PLLQ (7)
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#define MICROPY_HW_FLASH_LATENCY FLASH_LATENCY_6
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// UART config
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#define MICROPY_HW_UART1_TX_PORT (GPIOA)
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#define MICROPY_HW_UART1_TX_PIN (GPIO_PIN_9)
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#define MICROPY_HW_UART1_RX_PORT (GPIOB)
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#define MICROPY_HW_UART1_RX_PIN (GPIO_PIN_7)
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#define MICROPY_HW_UART6_PORT (GPIOC)
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#define MICROPY_HW_UART6_PINS (GPIO_PIN_6 | GPIO_PIN_7)
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#define MICROPY_HW_UART7_PORT (GPIOF)
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#define MICROPY_HW_UART7_PINS (GPIO_PIN_6 | GPIO_PIN_7)
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#define MICROPY_HW_UART_REPL PYB_UART_1
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#define MICROPY_HW_UART_REPL_BAUD 115200
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// I2C busses
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#define MICROPY_HW_I2C1_SCL (pin_B8)
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#define MICROPY_HW_I2C1_SDA (pin_B9)
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#define MICROPY_HW_I2C3_SCL (pin_H7)
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#define MICROPY_HW_I2C3_SDA (pin_H8)
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// The STM32F7 uses a TIMINGR register which is configured using an Excel
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// Spreadsheet from AN4235: http://www.st.com/web/en/catalog/tools/PF258335
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// We use an array of baudrates and corresponding TIMINGR values.
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//
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// The value 0x40912732 was obtained from the DISCOVERY_I2Cx_TIMING constant
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// defined in the STM32F7Cube file Drivers/BSP/STM32F746G-Discovery/stm32f7456g_discovery.h
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#define MICROPY_HW_I2C_BAUDRATE_TIMING {{100000, 0x40912732}}
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#define MICROPY_HW_I2C_BAUDRATE_DEFAULT 100000
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#define MICROPY_HW_I2C_BAUDRATE_MAX 100000
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// SPI
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#define MICROPY_HW_SPI2_NSS (pin_I0)
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#define MICROPY_HW_SPI2_SCK (pin_I1)
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#define MICROPY_HW_SPI2_MISO (pin_B14)
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#define MICROPY_HW_SPI2_MOSI (pin_B15)
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// USRSW is pulled low. Pressing the button makes the input go high.
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#define MICROPY_HW_USRSW_PIN (pin_I11)
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#define MICROPY_HW_USRSW_PULL (GPIO_NOPULL)
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#define MICROPY_HW_USRSW_EXTI_MODE (GPIO_MODE_IT_RISING)
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#define MICROPY_HW_USRSW_PRESSED (1)
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// LEDs
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#define MICROPY_HW_LED1 (pin_I1) // green
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#define MICROPY_HW_LED_OTYPE (GPIO_MODE_OUTPUT_PP)
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#define MICROPY_HW_LED_ON(pin) (pin->gpio->BSRR = pin->pin_mask)
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#define MICROPY_HW_LED_OFF(pin) (pin->gpio->BSRR = (pin->pin_mask << 16))
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// SD card detect switch
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#define MICROPY_HW_SDCARD_DETECT_PIN (pin_C13)
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#define MICROPY_HW_SDCARD_DETECT_PULL (GPIO_PULLUP)
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#define MICROPY_HW_SDCARD_DETECT_PRESENT (GPIO_PIN_RESET)
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// USB config (CN13 - USB OTG FS)
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// The Hardware VBUS detect only works on pin PA9. The STM32F7 Discovery uses
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// PA9 for VCP_TX functionality and connects the VBUS to pin J12 (so software
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// only detect). So we don't define the VBUS detect pin since that requires PA9.
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/*#define MICROPY_HW_USB_VBUS_DETECT_PIN (pin_J12)*/
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#define MICROPY_HW_USB_OTG_ID_PIN (pin_A10)
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