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bootloader

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This commit is contained in:
Rene Hopf
2017-01-18 21:35:37 +01:00
parent 2f4baaa30b
commit ebb1b2458f
4 changed files with 51 additions and 44 deletions
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7
f3dfu/Inc/main.h
View File

@@ -51,11 +51,8 @@
/* Private define ------------------------------------------------------------*/
// #define LED_Pin GPIO_PIN_8
// #define LED_GPIO_Port GPIOA
//discovery
#define LED_Pin GPIO_PIN_9
#define LED_GPIO_Port GPIOE
#define LED_Pin GPIO_PIN_8
#define LED_GPIO_Port GPIOA
/* USER CODE BEGIN Private defines */
/* USER CODE END Private defines */

13
f3dfu/Src/main.c
View File

@@ -108,6 +108,17 @@ int main(void)
/* Configure the system clock */
SystemClock_Config();
// __HAL_RCC_GPIOA_CLK_ENABLE();
// GPIO_InitTypeDef GPIO_InitStruct;
// GPIO_InitStruct.Pin = GPIO_PIN_11 | GPIO_PIN_12;
// GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
// GPIO_InitStruct.Pull = GPIO_NOPULL;
// GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
// HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
// HAL_GPIO_WritePin(GPIOA, GPIO_PIN_11, GPIO_PIN_RESET);
// HAL_GPIO_WritePin(GPIOA, GPIO_PIN_12, GPIO_PIN_RESET);
// HAL_Delay(500);
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_USB_DEVICE_Init();
@@ -127,6 +138,7 @@ int main(void)
JumpToApplication();
while (1);
}
RTC->BKP0R = 0x00000000;
/* USER CODE END 2 */
/* Infinite loop */
@@ -255,7 +267,6 @@ static void MX_GPIO_Init(void)
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();//DISCOVERY LED
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin, GPIO_PIN_RESET);

43
f3dfu/Src/usbd_dfu_if.c
View File

@@ -189,7 +189,7 @@ uint16_t MEM_If_Erase_FS(uint32_t Add)
/* Variable contains Flash operation status */
HAL_StatusTypeDef status;
FLASH_EraseInitTypeDef eraseinitstruct;
//TODO: only erase APP pages
/* Get the number of sector to erase from 1st sector*/
//NbOfPages = (USBD_DFU_APP_END_ADD - USBD_DFU_APP_DEFAULT_ADD) / FLASH_PAGE_SIZE;
NbOfPages = 1;
@@ -218,28 +218,27 @@ uint16_t MEM_If_Erase_FS(uint32_t Add)
uint16_t MEM_If_Write_FS(uint8_t *src, uint8_t *dest, uint32_t Len)
{
/* USER CODE BEGIN 3 */
uint32_t i = 0;
uint32_t i = 0;
for(i = 0; i < Len; i+=4)
{
/* Device voltage range supposed to be [2.7V to 3.6V], the operation will
be done by byte */
if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, (uint32_t)(dest+i), *(uint32_t*)(src+i)) == HAL_OK)
{
/* Check the written value */
if(*(uint32_t *)(src + i) != *(uint32_t*)(dest+i))
{
/* Flash content doesn't match SRAM content */
return 2;
}
}
else
{
/* Error occurred while writing data in Flash memory */
return 1;
}
}
return 0;
for(i = 0; i < Len; i+=4)
{
/* Device voltage range supposed to be [2.7V to 3.6V], the operation will be done by byte */
if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, (uint32_t)(dest+i), *(uint32_t*)(src+i)) == HAL_OK)
{
/* Check the written value */
if(*(uint32_t *)(src + i) != *(uint32_t*)(dest+i))
{
/* Flash content doesn't match SRAM content */
return 2;
}
}
else
{
/* Error occurred while writing data in Flash memory */
return 1;
}
}
return 0;
/* USER CODE END 3 */
}