CHECK
Dependents: Bob_Curtain_Sample_0506
Diff: SysClockConf.cpp
- Revision:
- 5:9fbbea76d6f6
- Parent:
- 4:306609fe9dc8
- Child:
- 8:2582ee8cc84c
- Child:
- 13:fe3c80e86183
--- a/SysClockConf.cpp Tue Jul 05 21:02:59 2016 +0000 +++ b/SysClockConf.cpp Tue Aug 02 19:37:40 2016 +0000 @@ -29,7 +29,7 @@ #include "SysClockConf.h" #include "mbed.h" -bool HSE_SystemClock_Config(int freq) { +bool HSE_SystemClock_Config(void) { RCC_OscInitTypeDef RCC_OscInitStruct; RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; @@ -37,16 +37,7 @@ RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; - switch(freq) { - case 36: - RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9; - break; - case 48: - RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6; - break; - default: - RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9; - } + RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9; if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { return false; @@ -67,26 +58,17 @@ RCC_PeriphCLKInitTypeDef PeriphClkInit; PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC|RCC_PERIPHCLK_USB; - switch(freq) { - case 36: - PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6; - break; - case 48: - PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV4; - break; - default: - PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6; - } - PeriphClkInit.UsbClockSelection = RCC_USBPLLCLK_DIV1; + PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6; + PeriphClkInit.UsbClockSelection = RCC_USBPLLCLK_DIV1_5; if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) { return false; } return true; } -bool confSysClock(int freq) { +bool confSysClock(void) { HAL_RCC_DeInit(); - if (!HSE_SystemClock_Config(freq)) { + if (!HSE_SystemClock_Config()) { return false; } SystemCoreClockUpdate(); @@ -94,3 +76,4 @@ } +