Templates/STM32_MemorySPI
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Добавлен пример для SPI EEPROM

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This commit is contained in:
alexey
2024-08-13 13:20:27 +03:00
parent b6e8e69ab3
commit 13ec5ac93e
3 changed files with 87 additions and 102 deletions
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67
CubeKeil Example/Core/Src/main.c
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@@ -56,10 +56,10 @@ void SystemClock_Config(void);
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
W25_HandleTypeDef hw25;
HAL_StatusTypeDef W25_RES;
W25_WriteInitTypeDef writeInit;
W25_WriteInitTypeDef MCUFlashToExternalFlashInit;
MEMSPI_HandleTypeDef hmemspi;
HAL_StatusTypeDef MEMSPI_RES;
MEMSPI_WriteInitTypeDef writeInit;
MEMSPI_WriteInitTypeDef MCUFlashToExternalFlashInit;
uint8_t read_buff[20] = {0};
uint8_t write_buff[20] = {0x14,0x13,0x12,0x11,0x10,
@@ -99,18 +99,18 @@ int main(void)
MX_CRC_Init();
MX_RNG_Init();
/* USER CODE BEGIN 2 */
// FLASH W25 INIT
hw25.hspi.Instance = SPI2;
hw25.hspi.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_128;
hw25.GPIOs.CS_GPIOx = GPIOA;
hw25.GPIOs.CLK_GPIOx = GPIOB;
hw25.GPIOs.MISO_GPIOx = GPIOC;
hw25.GPIOs.MOSI_GPIOx = GPIOC;
hw25.GPIOs.CS_PIN = GPIO_PIN_4;
hw25.GPIOs.CLK_PIN = GPIO_PIN_13;
hw25.GPIOs.MISO_PIN = GPIO_PIN_2;
hw25.GPIOs.MOSI_PIN = GPIO_PIN_3;
W25_Base_Init(&hw25);
// FLASH MEMSPI INIT
hmemspi.hspi.Instance = SPI2;
hmemspi.hspi.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_128;
hmemspi.GPIOs.CS_GPIOx = GPIOA;
hmemspi.GPIOs.CS_PIN = GPIO_PIN_4;
hmemspi.GPIOs.CLK_GPIOx = GPIOB;
hmemspi.GPIOs.CLK_PIN = GPIO_PIN_13;
hmemspi.GPIOs.MISO_GPIOx = GPIOC;
hmemspi.GPIOs.MISO_PIN = GPIO_PIN_2;
hmemspi.GPIOs.MOSI_GPIOx = GPIOC;
hmemspi.GPIOs.MOSI_PIN = GPIO_PIN_3;
MEMSPI_Base_Init(&hmemspi);
// Example for FLASH: write area functions init
// writting on two pages:
// writing 15 bytes at 0xf9 - its writting 7 bytes at first page, and 8 bytes at second page
@@ -125,30 +125,43 @@ int main(void)
/* Infinite loop */
/* USER CODE BEGIN WHILE */
// Example for FLASH: using manufactire info CMD
uint32_t w25_ID = W25_CMD_Read_JEDEC_ID(&hw25);
uint64_t w25_unique_ID = W25_CMD_Read_Device_ID(&hw25);
// Example for FLASH/EPROM: using manufactire info CMD
uint32_t memspi_ID = MEMSPI_CMD_Read_JEDEC_ID(&hmemspi, 100);
uint64_t memspi_unique_ID = MEMSPI_CMD_Read_Device_ID(&hmemspi, 100);
#ifdef EXT_FLASH
// Example fpr FLASH: writting MCU Program to external FLASH
MCUFlashToExternalFlashInit.pDataPtr = (uint8_t *)FLASH_BASE;
MCUFlashToExternalFlashInit.Data_Address = 0;
MCUFlashToExternalFlashInit.Data_Size = 0x2000;
MCUFlashToExternalFlashInit.Sector_Address = 0;
MCUFlashToExternalFlashInit.Sector_Size = 0x2000;
W25_RES = W25_FLASH_Write(&hw25, &MCUFlashToExternalFlashInit, 5000);
MEMSPI_RES = MEMSPI_FLASH_Write(&hmemspi, &MCUFlashToExternalFlashInit, 5000);
uint32_t FLASH_shift = 0;
W25_RES = W25_FLASH_Read(&hw25, 0x0000+FLASH_shift, read_buff, 15, 100);
MEMSPI_RES = MEMSPI_Read_Memory(&hmemspi, 0x0000+FLASH_shift, read_buff, 15, 100);
// Example for FLASH: erase/program/read functions
W25_RES = W25_FLASH_Erase(&hw25, 0, 1, 1000);
W25_RES = W25_FLASH_Program(&hw25, 0xf9, write_buff, 15, 100);
W25_RES = W25_FLASH_Read(&hw25, 0xf9, read_buff, 15, 100);
MEMSPI_RES = MEMSPI_FLASH_Erase(&hmemspi, 0, 1, 1000);
MEMSPI_RES = MEMSPI_FLASH_Program(&hmemspi, 0xf9, write_buff, 15, 100);
MEMSPI_RES = MEMSPI_Read_Memory(&hmemspi, 0xf9, read_buff, 15, 100);
#endif
#ifdef EXT_EEPROM
// Example for EEPROM: writting MCU Program to external EEPROM
MEMSPI_RES = MEMSPI_EEPROM_Write(&hmemspi, 0, (uint8_t *)FLASH_BASE, 0x2000, 2000);
MEMSPI_RES = MEMSPI_Read_Memory(&hmemspi, 0, read_buff, 15, 100);
#endif
while (1)
{
#ifdef EXT_FLASH
// Example for FLASH: write area functions
W25_RES = W25_FLASH_Write(&hw25, &writeInit, 1000);
W25_RES = W25_FLASH_Read(&hw25, 0xf9, read_buff, 15, 100);
MEMSPI_RES = MEMSPI_FLASH_Write(&hmemspi, &writeInit, 1000);
MEMSPI_RES = MEMSPI_Read_Memory(&hmemspi, 0xf9, read_buff, 15, 100);
#endif
#ifdef EXT_EEPROM
// Example for EEPROM: write/read functions
MEMSPI_RES = MEMSPI_EEPROM_Write(&hmemspi, 0xf9, write_buff, 15, 100);
MEMSPI_RES = MEMSPI_Read_Memory(&hmemspi, 0xf9, read_buff, 15, 100);
#endif
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */