11/*
22 *******************************************************************************
3- * Copyright (c) 2020-2021 , STMicroelectronics
3+ * Copyright (c) 2020-2022 , STMicroelectronics
44 * All rights reserved.
55 *
66 * This software component is licensed by ST under BSD 3-Clause license,
@@ -30,13 +30,15 @@ WEAK void SystemClock_Config(void)
3030 */
3131 __HAL_RCC_PWR_CLK_ENABLE ();
3232 __HAL_PWR_VOLTAGESCALING_CONFIG (PWR_REGULATOR_VOLTAGE_SCALE1 );
33+
3334 /** Initializes the RCC Oscillators according to the specified parameters
3435 * in the RCC_OscInitTypeDef structure.
3536 */
36- RCC_OscInitStruct .OscillatorType = RCC_OSCILLATORTYPE_HSE ;
37- RCC_OscInitStruct .HSEState = RCC_HSE_OFF ;
37+ RCC_OscInitStruct .OscillatorType = RCC_OSCILLATORTYPE_HSI ;
38+ RCC_OscInitStruct .HSIState = RCC_HSI_ON ;
39+ RCC_OscInitStruct .HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT ;
3840 RCC_OscInitStruct .PLL .PLLState = RCC_PLL_ON ;
39- RCC_OscInitStruct .PLL .PLLSource = RCC_PLLSOURCE_HSE ;
41+ RCC_OscInitStruct .PLL .PLLSource = RCC_PLLSOURCE_HSI ;
4042 RCC_OscInitStruct .PLL .PLLM = 8 ;
4143 RCC_OscInitStruct .PLL .PLLN = 100 ;
4244 RCC_OscInitStruct .PLL .PLLP = RCC_PLLP_DIV2 ;
@@ -45,6 +47,7 @@ WEAK void SystemClock_Config(void)
4547 if (HAL_RCC_OscConfig (& RCC_OscInitStruct ) != HAL_OK ) {
4648 Error_Handler ();
4749 }
50+
4851 /** Initializes the CPU, AHB and APB buses clocks
4952 */
5053 RCC_ClkInitStruct .ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
@@ -57,13 +60,18 @@ WEAK void SystemClock_Config(void)
5760 if (HAL_RCC_ClockConfig (& RCC_ClkInitStruct , FLASH_LATENCY_3 ) != HAL_OK ) {
5861 Error_Handler ();
5962 }
60- PeriphClkInitStruct .PeriphClockSelection = RCC_PERIPHCLK_SDIO | RCC_PERIPHCLK_CLK48 ;
61- PeriphClkInitStruct .PLLI2S .PLLI2SN = 192 ;
62- PeriphClkInitStruct .PLLI2S .PLLI2SM = 16 ;
63+
64+ /** Initializes the peripherals clock
65+ */
66+ PeriphClkInitStruct .PeriphClockSelection = RCC_PERIPHCLK_PLLI2S | RCC_PERIPHCLK_CLK48
67+ | RCC_PERIPHCLK_SDIO | RCC_PERIPHCLK_I2S_APB2 ;
68+ PeriphClkInitStruct .PLLI2S .PLLI2SN = 72 ;
69+ PeriphClkInitStruct .PLLI2S .PLLI2SM = 8 ;
6370 PeriphClkInitStruct .PLLI2S .PLLI2SR = 2 ;
64- PeriphClkInitStruct .PLLI2S .PLLI2SQ = 4 ;
71+ PeriphClkInitStruct .PLLI2S .PLLI2SQ = 3 ;
6572 PeriphClkInitStruct .Clk48ClockSelection = RCC_CLK48CLKSOURCE_PLLI2SQ ;
6673 PeriphClkInitStruct .SdioClockSelection = RCC_SDIOCLKSOURCE_CLK48 ;
74+ PeriphClkInitStruct .I2sApb2ClockSelection = RCC_I2SAPB2CLKSOURCE_PLLI2S ;
6775 PeriphClkInitStruct .PLLI2SSelection = RCC_PLLI2SCLKSOURCE_PLLSRC ;
6876 if (HAL_RCCEx_PeriphCLKConfig (& PeriphClkInitStruct ) != HAL_OK ) {
6977 Error_Handler ();
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