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[FL-635] Enable LSE CSS (#371)

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* LSE CSS: explicitly configure and start LSE + LSI1 and enable LSECSS at boot, enable LSECSS interrupt in firmware.
* F4: backport LSE CSS shenanigans.
* Split LSE/HSE CSS handling routines, add TODO for missing notification.
This commit is contained in:
あく
2021-03-08 18:55:51 +03:00
committed by GitHub
parent 73e5379520
commit 9df4d8e2ed
8 changed files with 48 additions and 38 deletions
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13
firmware/targets/f5/Src/main.c
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@@ -73,11 +73,12 @@ void SystemClock_Config(void)
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
LL_RCC_HSE_SetCapacitorTuning(0x18);
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSE
|RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_HSE
| RCC_OSCILLATORTYPE_LSI1 | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
@@ -127,9 +128,11 @@ void SystemClock_Config(void)
Error_Handler();
}
// Enable CSS for both clocks
// CSS for HSE
HAL_RCC_EnableCSS();
// CSS for LSE
HAL_RCCEx_EnableLSECSS();
HAL_RCCEx_EnableLSECSS_IT();
}
void Error_Handler(void) {