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stm32/boards/ADAFRUIT_F405_EXPRESS: Use external SPI flash for storage. 

Fixes issue #8553.
This commit is contained in:
iabdalkader 2022-04-17 15:17:57 +02:00 committed by Damien George
parent 71afed1a70
commit 03c61916bc
2 changed files with 56 additions and 3 deletions
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28
ports/stm32/boards/ADAFRUIT_F405_EXPRESS/bdev.c Normal file
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@ -0,0 +1,28 @@
#include "py/obj.h"
#include "storage.h"
#include "spi.h"
#if !MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
STATIC const spi_proto_cfg_t spi_bus = {
.spi = &spi_obj[0], // SPI1
.baudrate = 25000000,
.polarity = 0,
.phase = 0,
.bits = 8,
.firstbit = SPI_FIRSTBIT_MSB,
};
STATIC mp_spiflash_cache_t spi_bdev_cache;
const mp_spiflash_config_t spiflash_config = {
.bus_kind = MP_SPIFLASH_BUS_SPI,
.bus.u_spi.cs = MICROPY_HW_SPIFLASH_CS,
.bus.u_spi.data = (void *)&spi_bus,
.bus.u_spi.proto = &spi_proto,
.cache = &spi_bdev_cache,
};
spi_bdev_t spi_bdev;
#endif

31
ports/stm32/boards/ADAFRUIT_F405_EXPRESS/mpconfigboard.h
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@ -11,6 +11,7 @@
#define MICROPY_HW_ENABLE_DAC (1)
#define MICROPY_HW_ENABLE_USB (1)
#define MICROPY_HW_ENABLE_SDCARD (1)
#define MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE (0)
// HSE is 12MHz
#define MICROPY_HW_CLK_PLLM (12)
@ -24,6 +25,30 @@
#define MICROPY_HW_RTC_USE_US (0)
#define MICROPY_HW_RTC_USE_CALOUT (1)
// External SPI Flash config
#if !MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
#define MICROPY_HW_SPIFLASH_SIZE_BITS (16 * 1024 * 1024) // 16 Mbit (2 MByte)
#define MICROPY_HW_SPIFLASH_CS (MICROPY_HW_SPI1_NSS)
#define MICROPY_HW_SPIFLASH_SCK (MICROPY_HW_SPI1_SCK)
#define MICROPY_HW_SPIFLASH_MISO (MICROPY_HW_SPI1_MISO)
#define MICROPY_HW_SPIFLASH_MOSI (MICROPY_HW_SPI1_MOSI)
extern const struct _mp_spiflash_config_t spiflash_config;
extern struct _spi_bdev_t spi_bdev;
#define MICROPY_HW_SPIFLASH_ENABLE_CACHE (1)
#define MICROPY_HW_BDEV_IOCTL(op, arg) ( \
(op) == BDEV_IOCTL_NUM_BLOCKS ? (MICROPY_HW_SPIFLASH_SIZE_BITS / 8 / FLASH_BLOCK_SIZE) : \
(op) == BDEV_IOCTL_INIT ? spi_bdev_ioctl(&spi_bdev, (op), (uint32_t)&spiflash_config) : \
spi_bdev_ioctl(&spi_bdev, (op), (arg)) \
)
#define MICROPY_HW_BDEV_READBLOCKS(dest, bl, n) spi_bdev_readblocks(&spi_bdev, (dest), (bl), (n))
#define MICROPY_HW_BDEV_WRITEBLOCKS(src, bl, n) spi_bdev_writeblocks(&spi_bdev, (src), (bl), (n))
#define MICROPY_HW_BDEV_SPIFLASH_EXTENDED (&spi_bdev) // for extended block protocol
#endif // !MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
// UART config
#define MICROPY_HW_UART3_NAME "UART3" // on RX / TX
#define MICROPY_HW_UART3_TX (pin_B10) // TX
@ -50,9 +75,9 @@
// SPI buses
#define MICROPY_HW_SPI1_NAME "SPIFLASH"
#define MICROPY_HW_SPI1_NSS (pin_A15) // FLASH CS
#define MICROPY_HW_SPI1_SCK (pin_B3) // FLASH CLK
#define MICROPY_HW_SPI1_MISO (pin_B4) // FLASH MISO
#define MICROPY_HW_SPI1_MOSI (pin_B5) // FLASH MOSI
#define MICROPY_HW_SPI1_SCK (pin_B3) // FLASH CLK
#define MICROPY_HW_SPI1_MISO (pin_B4) // FLASH MISO
#define MICROPY_HW_SPI1_MOSI (pin_B5) // FLASH MOSI
#define MICROPY_HW_SPI2_NAME "SPI1"
#define MICROPY_HW_SPI2_NSS (pin_B12) // SD DETECT
#define MICROPY_HW_SPI2_SCK (pin_B13) // SCK