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stmhal/boards/STM32L476DISC: Use external SPI flash for filesystem.

This commit is contained in:
Damien George 2017-01-24 17:01:53 +11:00
parent d6a2d00167
commit f8a022bc11
2 changed files with 20 additions and 0 deletions
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10
stmhal/boards/STM32L476DISC/board_init.c Normal file
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@ -0,0 +1,10 @@
#include "py/mphal.h"
#include "genhdr/pins.h"
void STM32L476DISC_board_early_init(void) {
// set SPI flash WP and HOLD pins high
mp_hal_pin_output(&pin_E14);
mp_hal_pin_output(&pin_E15);
mp_hal_pin_write(&pin_E14, 1);
mp_hal_pin_write(&pin_E15, 1);
}

10
stmhal/boards/STM32L476DISC/mpconfigboard.h
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@ -1,5 +1,8 @@
#include STM32_HAL_H
#define MICROPY_BOARD_EARLY_INIT STM32L476DISC_board_early_init
void STM32L476DISC_board_early_init(void);
#define MICROPY_HW_BOARD_NAME "L476-DISCO"
#define MICROPY_HW_MCU_NAME "STM32L476"
@ -16,6 +19,13 @@
#define MICROPY_HW_ENABLE_DAC (0)
#define MICROPY_HW_ENABLE_CAN (0)
// use external SPI flash for storage
#define MICROPY_HW_SPIFLASH_SIZE_BITS (128 * 1024 * 1024)
#define MICROPY_HW_SPIFLASH_CS (pin_E11)
#define MICROPY_HW_SPIFLASH_SCK (pin_E10)
#define MICROPY_HW_SPIFLASH_MOSI (pin_E12)
#define MICROPY_HW_SPIFLASH_MISO (pin_E13)
// MSI is used and is 4MHz
#define MICROPY_HW_CLK_PLLM (1)
#define MICROPY_HW_CLK_PLLN (40)