02fbb0a455
The default SYSCLK frequency is reduced to 192MHz because SDRAM requires it to be 200MHz or less.
148 lines
5.7 KiB
C
148 lines
5.7 KiB
C
#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_FLASH (1)
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#define MICROPY_HW_HAS_SDCARD (1)
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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_USB (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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// VCOClock = HSE * PLLN / PLLM = 25 MHz * 384 / 25 = 384 MHz
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// SYSCLK = VCOClock / PLLP = 384 MHz / 2 = 192 MHz
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// USB/SDMMC/RNG Clock = VCOClock / PLLQ = 384 MHz / 8 = 48 MHz
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// Note: SDRAM requires SYSCLK <= 200MHz
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// SYSCLK can be increased to 216MHz if SDRAM is disabled
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#define MICROPY_HW_CLK_PLLM (25)
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#define MICROPY_HW_CLK_PLLN (384)
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#define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV2)
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#define MICROPY_HW_CLK_PLLQ (8)
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// From the reference manual, for 2.7V to 3.6V
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// 151-180 MHz => 5 wait states
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// 181-210 MHz => 6 wait states
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// 211-216 MHz => 7 wait states
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#define MICROPY_HW_FLASH_LATENCY FLASH_LATENCY_6 // 181-210 MHz => 6 wait states
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// UART config
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#define MICROPY_HW_UART1_TX (pin_A9)
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#define MICROPY_HW_UART1_RX (pin_B7)
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#define MICROPY_HW_UART6_TX (pin_C6)
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#define MICROPY_HW_UART6_RX (pin_C7)
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#define MICROPY_HW_UART7_TX (pin_F6)
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#define MICROPY_HW_UART7_RX (pin_F7)
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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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// 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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// CAN busses
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#define MICROPY_HW_CAN1_TX (pin_B9)
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#define MICROPY_HW_CAN1_RX (pin_B8)
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#define MICROPY_HW_CAN2_TX (pin_B13)
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#define MICROPY_HW_CAN2_RX (pin_B12)
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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_ON(pin) (mp_hal_pin_high(pin))
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#define MICROPY_HW_LED_OFF(pin) (mp_hal_pin_low(pin))
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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_FS (1)
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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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// SDRAM
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#define MICROPY_HW_SDRAM_SIZE (64 / 8 * 1024 * 1024) // 64 Mbit
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#define MICROPY_HW_SDRAM_STARTUP_TEST (1)
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// Timing configuration for 90 Mhz (11.90ns) of SD clock frequency (180Mhz/2)
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#define MICROPY_HW_SDRAM_TIMING_TMRD (2)
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#define MICROPY_HW_SDRAM_TIMING_TXSR (7)
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#define MICROPY_HW_SDRAM_TIMING_TRAS (4)
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#define MICROPY_HW_SDRAM_TIMING_TRC (7)
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#define MICROPY_HW_SDRAM_TIMING_TWR (2)
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#define MICROPY_HW_SDRAM_TIMING_TRP (2)
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#define MICROPY_HW_SDRAM_TIMING_TRCD (2)
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#define MICROPY_HW_SDRAM_REFRESH_RATE (64) // ms
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#define MICROPY_HW_SDRAM_BURST_LENGTH 1
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#define MICROPY_HW_SDRAM_CAS_LATENCY 2
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#define MICROPY_HW_SDRAM_COLUMN_BITS_NUM 8
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#define MICROPY_HW_SDRAM_ROW_BITS_NUM 12
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#define MICROPY_HW_SDRAM_MEM_BUS_WIDTH 16
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#define MICROPY_HW_SDRAM_INTERN_BANKS_NUM 4
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#define MICROPY_HW_SDRAM_CLOCK_PERIOD 2
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#define MICROPY_HW_SDRAM_RPIPE_DELAY 0
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#define MICROPY_HW_SDRAM_RBURST (1)
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#define MICROPY_HW_SDRAM_WRITE_PROTECTION (0)
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#define MICROPY_HW_SDRAM_AUTOREFRESH_NUM (8)
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#define MICROPY_HW_FMC_SDCKE0 (pin_C3)
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#define MICROPY_HW_FMC_SDNE0 (pin_H3)
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#define MICROPY_HW_FMC_SDCLK (pin_G8)
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#define MICROPY_HW_FMC_SDNCAS (pin_G15)
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#define MICROPY_HW_FMC_SDNRAS (pin_F11)
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#define MICROPY_HW_FMC_SDNWE (pin_H5)
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#define MICROPY_HW_FMC_BA0 (pin_G4)
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#define MICROPY_HW_FMC_BA1 (pin_G5)
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#define MICROPY_HW_FMC_NBL0 (pin_E0)
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#define MICROPY_HW_FMC_NBL1 (pin_E1)
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#define MICROPY_HW_FMC_A0 (pin_F0)
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#define MICROPY_HW_FMC_A1 (pin_F1)
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#define MICROPY_HW_FMC_A2 (pin_F2)
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#define MICROPY_HW_FMC_A3 (pin_F3)
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#define MICROPY_HW_FMC_A4 (pin_F4)
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#define MICROPY_HW_FMC_A5 (pin_F5)
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#define MICROPY_HW_FMC_A6 (pin_F12)
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#define MICROPY_HW_FMC_A7 (pin_F13)
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#define MICROPY_HW_FMC_A8 (pin_F14)
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#define MICROPY_HW_FMC_A9 (pin_F15)
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#define MICROPY_HW_FMC_A10 (pin_G0)
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#define MICROPY_HW_FMC_A11 (pin_G1)
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#define MICROPY_HW_FMC_D0 (pin_D14)
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#define MICROPY_HW_FMC_D1 (pin_D15)
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#define MICROPY_HW_FMC_D2 (pin_D0)
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#define MICROPY_HW_FMC_D3 (pin_D1)
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#define MICROPY_HW_FMC_D4 (pin_E7)
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#define MICROPY_HW_FMC_D5 (pin_E8)
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#define MICROPY_HW_FMC_D6 (pin_E9)
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#define MICROPY_HW_FMC_D7 (pin_E10)
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#define MICROPY_HW_FMC_D8 (pin_E11)
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#define MICROPY_HW_FMC_D9 (pin_E12)
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#define MICROPY_HW_FMC_D10 (pin_E13)
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#define MICROPY_HW_FMC_D11 (pin_E14)
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#define MICROPY_HW_FMC_D12 (pin_E15)
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#define MICROPY_HW_FMC_D13 (pin_D8)
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#define MICROPY_HW_FMC_D14 (pin_D9)
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#define MICROPY_HW_FMC_D15 (pin_D10)
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