Make HSI the generic clock for STM32F413Z

gautierg-st · gautierg-st · commit 353487adecf1 · 2022-10-28T10:51:13.000+02:00
Replace HSE by HSI as the generic clock for the STM32F413Z series
diff --git a/variants/STM32F4xx/F413Z(G-H)(J-T)_F423ZH(J-T)/generic_clock.c b/variants/STM32F4xx/F413Z(G-H)(J-T)_F423ZH(J-T)/generic_clock.c
@@ -1,6 +1,6 @@
 /*
  *******************************************************************************
- * Copyright (c) 2020-2021, STMicroelectronics
+ * Copyright (c) 2020-2022, STMicroelectronics
  * All rights reserved.
  *
  * This software component is licensed by ST under BSD 3-Clause license,
@@ -30,13 +30,15 @@ WEAK void SystemClock_Config(void)
   */
   __HAL_RCC_PWR_CLK_ENABLE();
   __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
   /** Initializes the RCC Oscillators according to the specified parameters
   * in the RCC_OscInitTypeDef structure.
   */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
-  RCC_OscInitStruct.HSEState = RCC_HSE_OFF;
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
-  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
   RCC_OscInitStruct.PLL.PLLM = 8;
   RCC_OscInitStruct.PLL.PLLN = 100;
   RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
@@ -45,6 +47,7 @@ WEAK void SystemClock_Config(void)
   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
     Error_Handler();
   }
+
   /** Initializes the CPU, AHB and APB buses clocks
   */
   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
@@ -57,13 +60,18 @@ WEAK void SystemClock_Config(void)
   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3) != HAL_OK) {
     Error_Handler();
   }
-  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SDIO | RCC_PERIPHCLK_CLK48;
-  PeriphClkInitStruct.PLLI2S.PLLI2SN = 192;
-  PeriphClkInitStruct.PLLI2S.PLLI2SM = 16;
+
+  /** Initializes the peripherals clock
+  */
+  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_PLLI2S | RCC_PERIPHCLK_CLK48
+                                             | RCC_PERIPHCLK_SDIO | RCC_PERIPHCLK_I2S_APB2;
+  PeriphClkInitStruct.PLLI2S.PLLI2SN = 72;
+  PeriphClkInitStruct.PLLI2S.PLLI2SM = 8;
   PeriphClkInitStruct.PLLI2S.PLLI2SR = 2;
-  PeriphClkInitStruct.PLLI2S.PLLI2SQ = 4;
+  PeriphClkInitStruct.PLLI2S.PLLI2SQ = 3;
   PeriphClkInitStruct.Clk48ClockSelection = RCC_CLK48CLKSOURCE_PLLI2SQ;
   PeriphClkInitStruct.SdioClockSelection = RCC_SDIOCLKSOURCE_CLK48;
+  PeriphClkInitStruct.I2sApb2ClockSelection = RCC_I2SAPB2CLKSOURCE_PLLI2S;
   PeriphClkInitStruct.PLLI2SSelection = RCC_PLLI2SCLKSOURCE_PLLSRC;
   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
     Error_Handler();
