基于野火霸道 野火_F429挑战者 实现 spiflash 文件系统 W25Q256
一、STM32CubeMX 配置
fats
二 代码 :
1,开启串口1终端
void HAL_UART_MspInit(UART_HandleTypeDef* huart)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(huart->Instance==USART1)
{
/* USER CODE BEGIN USART1_MspInit 0 */
/* USER CODE END USART1_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_USART1_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/**USART1 GPIO Configuration
PA9 ------> USART1_TX
PA10 ------> USART1_RX
*/
GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USART1 interrupt Init */
HAL_NVIC_SetPriority(USART1_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(USART1_IRQn);
/* USER CODE BEGIN USART1_MspInit 1 */
__HAL_UART_ENABLE_IT(huart, UART_IT_RXNE);
/* USER CODE END USART1_MspInit 1 */
}
}
2,串口终端接收
void USART1_IRQHandler(void)
{
/* USER CODE BEGIN USART1_IRQn 0 */
//½ÓÊÕÊý¾Ý
HAL_UART_Receive(&huart1, pRx_Data, 1, 1000);//
}
3,调试信息输出
/* USER CODE BEGIN 0 */
int fputc(int ch, FILE* FILE)
{
HAL_UART_Transmit(&huart1, (uint8_t*)&ch, 1, HAL_MAX_DELAY);
return ch;
}
/* USER CODE END 0 */
4、挂载文件系统
// HAL_Delay(1000);
printf("system is booting\r\n");
// printf("****** ²Á³ýSPI_FLASH ÉÈÇø0 ******\r\n");
// BSP_W25Q256_Erase_Sector(0);
//HAL_Delay(1000);
/*----------------------- ¹ÒÔØ²âÊÔ ---------------------------*/
printf("****** SPI FLASH ÎļþϵͳÆô¶¯ÖÐ******\r\n");
res = f_mount(&spi_fs, "0:", 1);
if(res != FR_OK)
{
if(res == FR_NO_FILESYSTEM)
{
printf("f_mount ûÓÐÎļþϵͳ,¿ªÊ¼¸ñʽ»¯spi-flash\r\n");
res = f_mkfs("0:", FM_ANY, 0, &work, 4096);
if(res != FR_OK)
{
printf("f_mkfs ¸ñʽ»¯Ê§°Ü£¬err = %d\r\n", res);
while(1);
}
else
{
printf("¸ñʽ»¯³É¹¦£¬¿ªÊ¼ÖØÐ¹ÒÔØspi-flash\r\n");
res = f_mount(&spi_fs, "0:", 1);
if(res != FR_OK)
{
printf("f_mount ·¢Éú´íÎó£¬err = %d\r\n", res);
}
else printf("spi-flashÎļþϵͳ¹ÒÔØ³É¹¦\r\n");
}
}
else
{
printf("f_mount ·¢ÉúÆäËû´íÎó£¬err = %d\r\n", res);
while(1);
}
}
else printf("spi-flashÎļþϵͳ¹ÒÔØ³É¹¦\r\n");