Thomas Lyp
Initial commit
Diff: mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_MODULE_UBLOX_ODIN_W2/system_clock.c
- Revision:
- 0:bb348c97df44
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_MODULE_UBLOX_ODIN_W2/system_clock.c Wed Sep 16 01:11:49 2020 +0000
@@ -0,0 +1,170 @@
+/* mbed Microcontroller Library
+* Copyright (c) 2006-2017 ARM Limited
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+/**
+ * This file configures the system clock as follows:
+ *--------------------------------------------------------------------------------------
+ * System clock source | PLL_HSE_XTAL | PLL_HSE_XTAL
+ * | (external 8 MHz clock) | (external 8 MHz clock)
+ *--------------------------------------------------------------------------------------
+ * SYSCLK(MHz) | 168 | 180
+ *--------------------------------------------------------------------------------------
+ * AHBCLK (MHz) | 168 | 180
+ *--------------------------------------------------------------------------------------
+ * APB1CLK (MHz) | 42 | 45
+ *--------------------------------------------------------------------------------------
+ * APB2CLK (MHz) | 84 | 90
+ *--------------------------------------------------------------------------------------
+ * USB capable (48 MHz precise clock) | YES | NO
+ *--------------------------------------------------------------------------------------
+**/
+
+#include "stm32f4xx.h"
+#include "nvic_addr.h"
+
+
+/* Select the SYSCLOCK to start with (0=OFF, 1=ON) */
+#define USE_SYSCLOCK_168 (1) /* Use external 8MHz xtal and sets SYSCLK to 168MHz */
+#define USE_SYSCLOCK_180 (0) /* Use external 8MHz xtal and sets SYSCLK to 180MHz */
+
+
+void SetSysClock(void);
+
+/**
+ * @brief Setup the microcontroller system
+ * Initialize the FPU setting, vector table location and External memory
+ * configuration.
+ * @param None
+ * @retval None
+ */
+void SystemInit(void)
+{
+ /* FPU settings ------------------------------------------------------------*/
+#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
+ SCB->CPACR |= ((3UL << 10 * 2) | (3UL << 11 * 2)); /* set CP10 and CP11 Full Access */
+#endif
+ /* Reset the RCC clock configuration to the default reset state ------------*/
+ /* Set HSION bit */
+ RCC->CR |= (uint32_t)0x00000001;
+
+ /* Reset CFGR register */
+ RCC->CFGR = 0x00000000;
+
+ /* Reset HSEON, CSSON and PLLON bits */
+ RCC->CR &= (uint32_t)0xFEF6FFFF;
+
+ /* Reset PLLCFGR register */
+ RCC->PLLCFGR = 0x24003010;
+
+ /* Reset HSEBYP bit */
+ RCC->CR &= (uint32_t)0xFFFBFFFF;
+
+ /* Disable all interrupts */
+ RCC->CIR = 0x00000000;
+
+#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
+ SystemInit_ExtMemCtl();
+#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */
+
+ /* Configure the Vector Table location add offset address ------------------*/
+#ifdef VECT_TAB_SRAM
+ SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
+#else
+ SCB->VTOR = NVIC_FLASH_VECTOR_ADDRESS; /* Vector Table Relocation in Internal FLASH */
+#endif
+
+}
+
+
+/** System Clock Configuration
+*/
+#if USE_SYSCLOCK_168 != 0
+/*
+ * generated code by STM32CubeMX 4.4.0 for board 32F429Discovery
+ * and SYSCLK=168MHZ
+ */
+void SetSysClock(void)
+{
+
+ RCC_OscInitTypeDef RCC_OscInitStruct;
+ RCC_ClkInitTypeDef RCC_ClkInitStruct;
+
+ __HAL_RCC_PWR_CLK_ENABLE();
+
+ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
+ RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+ RCC_OscInitStruct.PLL.PLLM = 24;
+ RCC_OscInitStruct.PLL.PLLN = 336;
+ RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
+ RCC_OscInitStruct.PLL.PLLQ = 7;
+ HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1
+ | RCC_CLOCKTYPE_PCLK2;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
+ HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
+
+ // HAL_RCC_MCOConfig(RCC_MCO2, RCC_MCO2SOURCE_SYSCLK, RCC_MCODIV_3);
+
+
+}
+
+#elif USE_SYSCLOCK_180 != 0
+/*
+ * generated code by STM32CubeMX 4.4.0 for board 32F429Discovery
+ * and SYSCLK=180MHZ
+ */
+void SetSysClock(void)
+{
+
+ RCC_OscInitTypeDef RCC_OscInitStruct;
+ RCC_ClkInitTypeDef RCC_ClkInitStruct;
+
+ __HAL_RCC_PWR_CLK_ENABLE();
+
+ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
+ RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+ RCC_OscInitStruct.PLL.PLLM = 8;
+ RCC_OscInitStruct.PLL.PLLN = 360;
+ RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
+ RCC_OscInitStruct.PLL.PLLQ = 7;
+ HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+ HAL_PWREx_EnableOverDrive();
+
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1
+ | RCC_CLOCKTYPE_PCLK2;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
+ HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
+
+ // HAL_RCC_MCOConfig(RCC_MCO2, RCC_MCO2SOURCE_SYSCLK, RCC_MCODIV_3);
+
+}
+#endif