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handle HSE-PLL enabled upone deepsleep wakeup

pull/1023/head
U-owner-PC\owner 2015-03-16 16:26:18 -07:00
parent 11bfe693b9
commit bc84c03a37
1 changed files with 4 additions and 1 deletions
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5
libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_MOTE_L152RC/system_stm32l1xx.c Normal file → Executable file
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@ -125,7 +125,7 @@
*/ */
/* Select the clock sources (other than HSI) to start with (0=OFF, 1=ON) */ /* Select the clock sources (other than HSI) to start with (0=OFF, 1=ON) */
#define USE_PLL_HSE_EXTC (1) /* Use external clock */ #define USE_PLL_HSE_EXTC (0) /* Use external clock */
#define USE_PLL_HSE_XTAL (1) /* Use external xtal */ #define USE_PLL_HSE_XTAL (1) /* Use external xtal */
/** /**
@ -485,6 +485,9 @@ uint8_t SetSysClock_PLL_HSE(uint8_t bypass)
RCC_ClkInitTypeDef RCC_ClkInitStruct; RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct; RCC_OscInitTypeDef RCC_OscInitStruct;
if (__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL)
return 1; // already on HSE PLL, could occur from deepsleep waking
/* Used to gain time after DeepSleep in case HSI is used */ /* Used to gain time after DeepSleep in case HSI is used */
if (__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) if (__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET)
{ {