ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge pull request #12409 from LMESTM/Fix_lpuart_deep_sleep 

FIX: LPUART clock source selection should be left to serial driver
pull/12431/head
Martin Kojtal 2020-02-13 09:45:41 +00:00 committed by GitHub
parent ffbd8b1994 3fd071404e
commit 7658681a9e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 0 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L4R5xI/TARGET_NUCLEO_L4R5ZI/system_clock.c
View File

@ -177,13 +177,6 @@ uint8_t SetSysClock_PLL_HSE(uint8_t bypass)
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // No PLL update
HAL_RCC_OscConfig(&RCC_OscInitStruct);
/* Select HSI as clock source for LPUART1 */
RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_LPUART1;
RCC_PeriphClkInit.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_HSI;
if (HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit) != HAL_OK) {
return 0; // FAIL
}
// Output clock on MCO1 pin(PA8) for debugging purpose
#if DEBUG_MCO == 2
if (bypass == 0) {
@ -259,13 +252,6 @@ uint8_t SetSysClock_PLL_HSI(void)
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // No PLL update
HAL_RCC_OscConfig(&RCC_OscInitStruct);
/* Select HSI as clock source for LPUART1 */
RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_LPUART1;
RCC_PeriphClkInit.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_HSI;
if (HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit) != HAL_OK) {
return 0; // FAIL
}
// Output clock on MCO1 pin(PA8) for debugging purpose
#if DEBUG_MCO == 3
HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_HSI, RCC_MCODIV_1); // 16 MHz
@ -331,13 +317,6 @@ uint8_t SetSysClock_PLL_MSI(void)
return 0; // FAIL
}
/* Select LSE as clock source for LPUART1 */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LPUART1;
PeriphClkInitStruct.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_LSE;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
return 0; // FAIL
}
// Output clock on MCO1 pin(PA8) for debugging purpose
#if DEBUG_MCO == 4
HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_MSI, RCC_MCODIV_2); // 2 MHz