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/* ... */
#include "main.h"
Includes
USBD_HandleTypeDef USBD_Device;
pFunction JumpToApplication;
uint32_t JumpAddress;
Private variables
static void SystemClock_Config(void);
Private function prototypes
/* ... */
int main(void)
{
HAL_Init();
SystemClock_Config();
BSP_PB_Init(BUTTON_USER, BUTTON_MODE_GPIO);
if (BSP_PB_GetState(BUTTON_USER) == 0x00)
{
/* ... */
if (((*(__IO uint32_t *) USBD_DFU_APP_DEFAULT_ADD) & 0x2FFC0000) ==
0x20000000)
{
JumpAddress = *(__IO uint32_t *) (USBD_DFU_APP_DEFAULT_ADD + 4);
JumpToApplication = (pFunction) JumpAddress;
__set_MSP((*(__IO uint32_t *) USBD_DFU_APP_DEFAULT_ADD));
JumpToApplication();
}if (((*(__IO uint32_t *) USBD_DFU_APP_DEFAULT_ADD) & 0x2FFC0000) == 0x20000000) { ... }
}if (BSP_PB_GetState(BUTTON_USER) == 0x00) { ... }
USBD_Init(&USBD_Device, &DFU_Desc, 0);
USBD_RegisterClass(&USBD_Device, USBD_DFU_CLASS);
USBD_DFU_RegisterMedia(&USBD_Device, &USBD_DFU_Flash_fops);
USBD_Start(&USBD_Device);
while (1)
{
}while (1) { ... }
}{ ... }
/* ... */
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
__HAL_RCC_PWR_CLK_ENABLE();
/* ... */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 336;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
/* ... */
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK |
RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
}{ ... }
/* ... */
void HAL_Delay(__IO uint32_t Delay)
{
while (Delay)
{
if (SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk)
{
Delay--;
}if (SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) { ... }
}while (Delay) { ... }
}{ ... }
#ifdef USE_FULL_ASSERT
/* ... */
void assert_failed(uint8_t * file, uint32_t line)
{
/* ... */
while (1)
{
}while (1) { ... }
}assert_failed (uint8_t * file, uint32_t line) { ... }
/* ... */#endifPrivate functions