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enabling IPCC module of the stm32WB55#1191

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Merged
fpistm merged 1 commit intostm32duino:masterfromFRASTM:w55_BLE
Nov 30, 2020
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46 changes: 46 additions & 0 deletionsvariants/PNUCLEO_WB55RG/otp.h
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,46 @@
/**
******************************************************************************
* @file otp.h
* @author MCD Application Team
* @brief OTP manager interface
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/


/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __OTP_H
#define __OTP_H

#ifdef __cplusplus
extern "C" {
#endif

typedef struct __packed {
uint8_t bd_address[6];
uint8_t hse_tuning;
uint8_t id;
} OTP_ID0_t;

/* Exported constants --------------------------------------------------------*/
#define CFG_OTP_BASE_ADDRESS OTP_AREA_BASE

#define CFG_OTP_END_ADDRESS OTP_AREA_END_ADDR

#ifdef __cplusplus
}
#endif

#endif /*__OTP_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
93 changes: 61 additions & 32 deletionsvariants/PNUCLEO_WB55RG/variant.cpp
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Expand Up@@ -17,6 +17,7 @@
*/

#include "pins_arduino.h"
#include "otp.h"

#ifdef __cplusplus
extern "C" {
Expand DownExpand Up@@ -88,6 +89,36 @@ const PinName digitalPin[] = {
extern "C" {
#endif

static uint8_t *OTP_Read(uint8_t id)
{
uint8_t *p_id;

p_id = (uint8_t *)(CFG_OTP_END_ADDRESS - 7) ;

while (((*(p_id + 7)) != id) && (p_id != (uint8_t *)CFG_OTP_BASE_ADDRESS)) {
p_id -= 8 ;
}

if ((*(p_id + 7)) != id) {
p_id = 0 ;
}

return p_id ;
}

static void Config_HSE(void)
{
OTP_ID0_t *p_otp;

/**
* Read HSE_Tuning from OTP
*/
p_otp = (OTP_ID0_t *) OTP_Read(0);
if (p_otp) {
LL_RCC_HSE_SetCapacitorTuning(p_otp->hse_tuning);
}
}

/**
* @brief System Clock Configuration
* @param None
Expand All@@ -99,60 +130,58 @@ WEAK void SystemClock_Config(void)
RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {};

/* Configure LSE Drive Capability */
Config_HSE();

__HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
/* Configure the main internal regulator output voltage */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/* Initializes the CPU, AHB and APB busses clocks */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_HSE
| RCC_OSCILLATORTYPE_LSE | RCC_OSCILLATORTYPE_MSI;

/* Initializes the CPU, AHB and APB busses clocks */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_HSI48
| RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
RCC_OscInitStruct.PLL.PLLN = 32;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
Error_Handler();
}

/* Configure the SYSCLKSource, HCLK, PCLK1 and PCLK2 clocks dividers */
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK4 | RCC_CLOCKTYPE_HCLK2
| RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
| RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource =RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.SYSCLKSource =RCC_SYSCLKSOURCE_HSE;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.AHBCLK2Divider =RCC_SYSCLK_DIV2;
RCC_ClkInitStruct.AHBCLK2Divider =RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.AHBCLK4Divider = RCC_SYSCLK_DIV1;

if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3) != HAL_OK) {
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) {
Error_Handler();
}
/* Initializes the peripherals clocks */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SMPS | RCC_PERIPHCLK_USB;
PeriphClkInitStruct.PLLSAI1.PLLN = 24;
PeriphClkInitStruct.PLLSAI1.PLLP = RCC_PLLP_DIV2;
PeriphClkInitStruct.PLLSAI1.PLLQ = RCC_PLLQ_DIV2;
PeriphClkInitStruct.PLLSAI1.PLLR = RCC_PLLR_DIV2;
PeriphClkInitStruct.PLLSAI1.PLLSAI1ClockOut = RCC_PLLSAI1_USBCLK;
PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_PLLSAI1;
PeriphClkInitStruct.SmpsClockSelection = RCC_SMPSCLKSOURCE_HSI;
PeriphClkInitStruct.SmpsDivSelection = RCC_SMPSCLKDIV_RANGE0;

/* Initializes the peripherals clocks */
/* RNG needs to be configured like in M0 core, i.e. with HSI48 */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SMPS | RCC_PERIPHCLK_RFWAKEUP
| RCC_PERIPHCLK_RNG | RCC_PERIPHCLK_USB;
PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
PeriphClkInitStruct.RngClockSelection = RCC_RNGCLKSOURCE_HSI48;
PeriphClkInitStruct.RFWakeUpClockSelection = RCC_RFWKPCLKSOURCE_LSE;
PeriphClkInitStruct.SmpsClockSelection = RCC_SMPSCLKSOURCE_HSE;
PeriphClkInitStruct.SmpsDivSelection = RCC_SMPSCLKDIV_RANGE1;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
Error_Handler();
}
/* Enable MSI Auto calibration */
HAL_RCCEx_EnableMSIPLLMode();

LL_PWR_SMPS_SetStartupCurrent(LL_PWR_SMPS_STARTUP_CURRENT_80MA);
LL_PWR_SMPS_SetOutputVoltageLevel(LL_PWR_SMPS_OUTPUT_VOLTAGE_1V40);
LL_PWR_SMPS_Enable();

/* Select HSI as system clock source after Wake Up from Stop mode */
LL_RCC_SetClkAfterWakeFromStop(LL_RCC_STOP_WAKEUPCLOCK_HSI);

}

#ifdef __cplusplus
Expand Down
2 changes: 2 additions & 0 deletionsvariants/PNUCLEO_WB55RG/variant.h
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Expand Up@@ -120,6 +120,8 @@ extern "C" {
// for EEPROM emulation to the last 512k pages.
#define FLASH_PAGE_NUMBER 127

#define HAL_IPCC_MODULE_ENABLED

#ifdef __cplusplus
} // extern "C"
#endif
Expand Down
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