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Merge pull request #73 from Serasidis/master 

Update usbd_cdc_if.c
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Daniel Fekete 2018-08-27 16:59:31 +02:00 committed by GitHub
parent 671e5e31f9 0e5250675c
commit 92fea3ff95
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1 changed files with 17 additions and 0 deletions
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17
STM32/cores/arduino/usb/cdc/usbd_cdc_if.c
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@ -265,6 +265,23 @@ static int8_t CDC_Receive_FS (uint8_t* Buf, uint32_t *Len)
*/
if(dtr_pin > 3){
if((Buf[0] == '1')&&(Buf[1] == 'E')&&(Buf[2] == 'A')&&(Buf[3] == 'F')){
#if defined (HIDBL_F1)
RTC_HandleTypeDef hrtc;
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_RCC_BKP_CLK_ENABLE();
HAL_PWR_EnableBkUpAccess();
HAL_RTCEx_BKUPWrite(&hrtc,RTC_BKP_DR10,0x424C); //Write the magic number 0x424C
#elif defined (HIDBL_F4)
__HAL_RCC_PWR_CLK_ENABLE();
HAL_PWR_EnableBkUpAccess();
__BKPSRAM_CLK_ENABLE();
*(__IO uint32_t *)(BKPSRAM_BASE) = 0x424C; //Write the magic number 0x424C at Backup SRAM address 0x40024000
#endif
HAL_NVIC_SystemReset();
}
dtr_pin = 0;