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FIX: LPUART clock source selection should be left to serial driver #12409

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Merged
merged 1 commit into from
Feb 13, 2020
Merged

FIX: LPUART clock source selection should be left to serial driver #12409

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21 changes: 0 additions & 21 deletions targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L4R5xI/TARGET_NUCLEO_L4R5ZI/system_clock.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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) {
Expand Down Expand Up @@ -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
Expand Down Expand Up @@ -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
Expand Down