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Merge pull request #2186 from hierophect/stm32-spi-flash

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STM32: SPI Flash
This commit is contained in:
hierophect 2019-10-03 15:32:56 -04:00 committed by GitHub
commit f4922a530a
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 39 additions and 24 deletions
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8
ports/stm32f4/boards/feather_f405/mpconfigboard.h
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@ -34,4 +34,10 @@
#define FLASH_PAGE_SIZE (0x4000)
#define AUTORESET_DELAY_MS 500
#define BOARD_FLASH_SIZE (FLASH_SIZE - 0x4000)
#define BOARD_FLASH_SIZE (FLASH_SIZE - 0x4000)
// On-board flash
#define SPI_FLASH_MOSI_PIN &pin_PB05
#define SPI_FLASH_MISO_PIN &pin_PB04
#define SPI_FLASH_SCK_PIN &pin_PB03
#define SPI_FLASH_CS_PIN &pin_PA15

6
ports/stm32f4/boards/feather_f405/mpconfigboard.mk
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@ -4,8 +4,10 @@ USB_PRODUCT = "Feather F405"
USB_MANUFACTURER = "Adafruit Industries LLC"
USB_DEVICES = "CDC,MSC"
INTERNAL_FLASH_FILESYSTEM = 1
LONGINT_IMPL = NONE
SPI_FLASH_FILESYSTEM = 1
EXTERNAL_FLASH_DEVICE_COUNT = 1
EXTERNAL_FLASH_DEVICES = GD25Q16C
LONGINT_IMPL = MPZ
MCU_SERIES = m4
MCU_VARIANT = stm32f4

3
ports/stm32f4/boards/stm32f412zg_discovery/mpconfigboard.h
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@ -34,4 +34,5 @@
#define FLASH_PAGE_SIZE (0x4000)
#define AUTORESET_DELAY_MS 500
#define BOARD_FLASH_SIZE (FLASH_SIZE - 0x4000)
#define BOARD_FLASH_SIZE (FLASH_SIZE - 0x4000)

5
ports/stm32f4/boards/stm32f412zg_discovery/mpconfigboard.mk
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@ -6,6 +6,11 @@ USB_MANUFACTURER = "STMicroelectronics"
INTERNAL_FLASH_FILESYSTEM = 1
LONGINT_IMPL = NONE
# QSPI_FLASH_FILESYSTEM = 1
# EXTERNAL_FLASH_DEVICE_COUNT = 1
# EXTERNAL_FLASH_DEVICES = N25Q128A
# LONGINT_IMPL = MPZ
MCU_SERIES = m4
MCU_VARIANT = stm32f4
MCU_SUB_VARIANT = stm32f412zx

4
ports/stm32f4/common-hal/busio/I2C.c
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@ -221,11 +221,11 @@ void common_hal_busio_i2c_unlock(busio_i2c_obj_t *self) {
uint8_t common_hal_busio_i2c_write(busio_i2c_obj_t *self, uint16_t addr,
const uint8_t *data, size_t len, bool transmit_stop_bit) {
HAL_StatusTypeDef result = HAL_I2C_Master_Transmit(&(self->handle), (uint16_t)(addr<<1), (uint8_t *)data, (uint16_t)len, 2);
HAL_StatusTypeDef result = HAL_I2C_Master_Transmit(&(self->handle), (uint16_t)(addr<<1), (uint8_t *)data, (uint16_t)len, 500);
return result == HAL_OK ? 0 : MP_EIO;
}
uint8_t common_hal_busio_i2c_read(busio_i2c_obj_t *self, uint16_t addr,
uint8_t *data, size_t len) {
return HAL_I2C_Master_Receive(&(self->handle), (uint16_t)(addr<<1), data, (uint16_t)len, 2) == HAL_OK ? 0 : MP_EIO;
return HAL_I2C_Master_Receive(&(self->handle), (uint16_t)(addr<<1), data, (uint16_t)len, 500) == HAL_OK ? 0 : MP_EIO;
}

24
ports/stm32f4/common-hal/busio/SPI.c
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@ -107,7 +107,7 @@ void common_hal_busio_spi_construct(busio_spi_obj_t *self,
continue;
}
//store pins if not
self->sck = &mcu_spi_sck_list[j];
self->sck = &mcu_spi_sck_list[i];
self->mosi = &mcu_spi_mosi_list[j];
self->miso = &mcu_spi_miso_list[k];
break;
@ -123,9 +123,9 @@ void common_hal_busio_spi_construct(busio_spi_obj_t *self,
SPIx = mcu_spi_banks[self->sck->spi_index-1];
} else {
if (spi_taken) {
mp_raise_RuntimeError(translate("Hardware busy, try alternative pins"));
mp_raise_ValueError(translate("Hardware busy, try alternative pins"));
} else {
mp_raise_RuntimeError(translate("Invalid SPI pin selection"));
mp_raise_ValueError(translate("Invalid SPI pin selection"));
}
}
@ -196,14 +196,14 @@ void common_hal_busio_spi_construct(busio_spi_obj_t *self,
self->handle.Init.CLKPolarity = SPI_POLARITY_LOW;
self->handle.Init.CLKPhase = SPI_PHASE_1EDGE;
self->handle.Init.NSS = SPI_NSS_SOFT;
self->handle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
self->handle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
self->handle.Init.FirstBit = SPI_FIRSTBIT_MSB;
self->handle.Init.TIMode = SPI_TIMODE_DISABLE;
self->handle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
self->handle.Init.CRCPolynomial = 10;
if (HAL_SPI_Init(&self->handle) != HAL_OK)
{
mp_raise_RuntimeError(translate("SPI Init Error"));
mp_raise_ValueError(translate("SPI Init Error"));
}
self->baudrate = (HAL_RCC_GetPCLK2Freq()/16);
self->prescaler = 16;
@ -344,7 +344,7 @@ bool common_hal_busio_spi_configure(busio_spi_obj_t *self,
if (HAL_SPI_Init(&self->handle) != HAL_OK)
{
mp_raise_RuntimeError(translate("SPI Re-initialization error"));
mp_raise_ValueError(translate("SPI Re-initialization error"));
}
self->baudrate = baudrate;
@ -383,21 +383,21 @@ void common_hal_busio_spi_unlock(busio_spi_obj_t *self) {
bool common_hal_busio_spi_write(busio_spi_obj_t *self,
const uint8_t *data, size_t len) {
HAL_StatusTypeDef result = HAL_SPI_Transmit (&self->handle, (uint8_t *)data, (uint16_t)len, 2);
return result == HAL_OK ? 1 : 0;
HAL_StatusTypeDef result = HAL_SPI_Transmit (&self->handle, (uint8_t *)data, (uint16_t)len, HAL_MAX_DELAY);
return result == HAL_OK;
}
bool common_hal_busio_spi_read(busio_spi_obj_t *self,
uint8_t *data, size_t len, uint8_t write_value) {
HAL_StatusTypeDef result = HAL_SPI_Receive (&self->handle, data, (uint16_t)len, 2);
return result == HAL_OK ? 1 : 0;
HAL_StatusTypeDef result = HAL_SPI_Receive (&self->handle, data, (uint16_t)len, HAL_MAX_DELAY);
return result == HAL_OK;
}
bool common_hal_busio_spi_transfer(busio_spi_obj_t *self,
uint8_t *data_out, uint8_t *data_in, size_t len) {
HAL_StatusTypeDef result = HAL_SPI_TransmitReceive (&self->handle,
data_out, data_in, (uint16_t)len,2);
return result == HAL_OK ? 1 : 0;
data_out, data_in, (uint16_t)len,HAL_MAX_DELAY);
return result == HAL_OK;
}
uint32_t common_hal_busio_spi_get_frequency(busio_spi_obj_t* self) {

6
ports/stm32f4/peripherals/stm32f4/stm32f405xx/gpio.c
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@ -40,9 +40,9 @@ void stm32f4_peripherals_gpio_init(void) {
never_reset_pin_number(2,15); //PC15 OSC32_OUT
never_reset_pin_number(0,13); //PA13 SWDIO
never_reset_pin_number(0,14); //PA14 SWCLK
never_reset_pin_number(0,15); //PA15 JTDI
never_reset_pin_number(1,3); //PB3 JTDO
never_reset_pin_number(1,4); //PB4 JTRST
// never_reset_pin_number(0,15); //PA15 JTDI
// never_reset_pin_number(1,3); //PB3 JTDO
// never_reset_pin_number(1,4); //PB4 JTRST
// Port H is not included in GPIO port array
// never_reset_pin_number(5,0); //PH0 JTDO

6
ports/stm32f4/peripherals/stm32f4/stm32f412zx/gpio.c
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@ -215,9 +215,9 @@ void stm32f4_peripherals_gpio_init(void) {
never_reset_pin_number(2,15); //PC15 OSC32_OUT
never_reset_pin_number(0,13); //PA13 SWDIO
never_reset_pin_number(0,14); //PA14 SWCLK
never_reset_pin_number(0,15); //PA15 JTDI
never_reset_pin_number(1,3); //PB3 JTDO
never_reset_pin_number(1,4); //PB4 JTRST
//never_reset_pin_number(0,15); //PA15 JTDI
//never_reset_pin_number(1,3); //PB3 JTDO
//never_reset_pin_number(1,4); //PB4 JTRST
// Port H is not included in GPIO port array
// never_reset_pin_number(5,0); //PH0 JTDO

1
supervisor/shared/external_flash/devices.h
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@ -442,4 +442,5 @@ typedef struct {
.write_status_register_split = false, \
.single_status_byte = false, \
}
#endif // MICROPY_INCLUDED_ATMEL_SAMD_EXTERNAL_FLASH_DEVICES_H