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feat: demo of changing option bytes

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IOsetting 2023-03-29 00:50:18 +08:00
parent a4d988ebcf
commit cc03e09ad7
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81
Examples/LL/Flash/RestoreOptionBytes/main.c Normal file
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/**
* Demo: Reset Option Bytes
*
* Board: PY32F003W1XS (SOP16)
*
* This demo will restore reset pin
*/
#include "main.h"
#include "py32f0xx_bsp_printf.h"
#include "py32f0xx_bsp_clock.h"
static void APP_GPIOConfig(void);
static void APP_FlashSetOptionBytes(void);
int main(void)
{
BSP_RCC_HSI_24MConfig();
BSP_USART_Config(115200);
printf("PY32F0xx GPIO Example\r\nClock: %ld\r\n", SystemCoreClock);
LL_mDelay(1000);
if(READ_BIT(FLASH->OPTR, FLASH_OPTR_NRST_MODE) == OB_RESET_MODE_GPIO)
{
printf("Configurate RESET as RESET\r\n");
/* This will reset the MCU */
APP_FlashSetOptionBytes();
}
else
{
printf("RESET has been configurated as RESET\r\n");
}
/* Don't config GPIO before changing the option bytes */
APP_GPIOConfig();
while (1)
{
LL_GPIO_TogglePin(GPIOA, LL_GPIO_PIN_0);
printf("echo\r\n");
LL_mDelay(1000);
}
}
static void APP_GPIOConfig(void)
{
// PA0
LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOA);
LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_0, LL_GPIO_MODE_OUTPUT);
}
static void APP_FlashSetOptionBytes(void)
{
FLASH_OBProgramInitTypeDef OBInitCfg;
LL_FLASH_Unlock();
LL_FLASH_OB_Unlock();
OBInitCfg.OptionType = OPTIONBYTE_USER;
OBInitCfg.USERType = OB_USER_BOR_EN | OB_USER_BOR_LEV | OB_USER_IWDG_SW | OB_USER_WWDG_SW | OB_USER_NRST_MODE | OB_USER_nBOOT1;
OBInitCfg.USERConfig = OB_BOR_DISABLE | OB_BOR_LEVEL_3p1_3p2 | OB_IWDG_SW | OB_WWDG_SW | OB_RESET_MODE_RESET | OB_BOOT1_SYSTEM;
LL_FLASH_OBProgram(&OBInitCfg);
LL_FLASH_Lock();
LL_FLASH_OB_Lock();
/* Reload option bytes */
LL_FLASH_OB_Launch();
}
void APP_ErrorHandler(void)
{
while (1);
}
#ifdef USE_FULL_ASSERT
void assert_failed(uint8_t *file, uint32_t line)
{
while (1);
}
#endif /* USE_FULL_ASSERT */

60
Examples/LL/Flash/RestoreOptionBytes/main.h Normal file
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/**
******************************************************************************
* @file main.h
* @author MCU Application Team
* @brief Header for main.c file.
* This file contains the common defines of the application.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) Puya Semiconductor Co.
* All rights reserved.</center></h2>
*
* <h2><center>&copy; Copyright (c) 2016 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 __MAIN_H
#define __MAIN_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "py32f0xx_ll_rcc.h"
#include "py32f0xx_ll_bus.h"
#include "py32f0xx_ll_system.h"
#include "py32f0xx_ll_exti.h"
#include "py32f0xx_ll_cortex.h"
#include "py32f0xx_ll_utils.h"
#include "py32f0xx_ll_pwr.h"
#include "py32f0xx_ll_dma.h"
#include "py32f0xx_ll_flash.h"
#include "py32f0xx_ll_gpio.h"
#if defined(USE_FULL_ASSERT)
#include "py32_assert.h"
#endif /* USE_FULL_ASSERT */
/* Private includes ----------------------------------------------------------*/
/* Private defines -----------------------------------------------------------*/
/* Exported variables prototypes ---------------------------------------------*/
/* Exported functions prototypes ---------------------------------------------*/
void APP_ErrorHandler(void);
#ifdef __cplusplus
}
#endif
#endif /* __MAIN_H */
/************************ (C) COPYRIGHT Puya *****END OF FILE******************/

59
Examples/LL/Flash/RestoreOptionBytes/py32_assert.h Normal file
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/**
******************************************************************************
* @file py32_assert.h
* @brief PY32 assert file.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) Puya Semiconductor Co.
* All rights reserved.</center></h2>
*
* <h2><center>&copy; Copyright (c) 2016 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 __PY32_ASSERT_H
#define __PY32_ASSERT_H
#ifdef __cplusplus
extern "C" {
#endif
#ifdef USE_FULL_ASSERT
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Includes ------------------------------------------------------------------*/
#include "stdint.h"
/* Exported macro ------------------------------------------------------------*/
/**
* @brief The assert_param macro is used for function's parameters check.
* @param expr: If expr is false, it calls assert_failed function
* which reports the name of the source file and the source
* line number of the call that failed.
* If expr is true, it returns no value.
* @retval None
*/
#define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
/* Exported functions ------------------------------------------------------- */
void assert_failed(uint8_t* file, uint32_t line);
#else
#define assert_param(expr) ((void)0U)
#endif /* USE_FULL_ASSERT */
#ifdef __cplusplus
}
#endif
#endif /* __PY32_ASSERT_H */
/************************ (C) COPYRIGHT Puya *****END OF FILE******************/

84
Examples/LL/Flash/RestoreOptionBytes/py32f0xx_it.c Normal file
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/**
******************************************************************************
* @file py32f0xx_it.c
* @author MCU Application Team
* @brief Interrupt Service Routines.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) Puya Semiconductor Co.
* All rights reserved.</center></h2>
*
* <h2><center>&copy; Copyright (c) 2016 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
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "py32f0xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private user code ---------------------------------------------------------*/
/* External variables --------------------------------------------------------*/
/******************************************************************************/
/* Cortex-M0+ Processor Interruption and Exception Handlers */
/******************************************************************************/
/**
* @brief This function handles Non maskable interrupt.
*/
void NMI_Handler(void)
{
}
/**
* @brief This function handles Hard fault interrupt.
*/
void HardFault_Handler(void)
{
while (1)
{
}
}
/**
* @brief This function handles System service call via SWI instruction.
*/
void SVC_Handler(void)
{
}
/**
* @brief This function handles Pendable request for system service.
*/
void PendSV_Handler(void)
{
}
/**
* @brief This function handles System tick timer.
*/
void SysTick_Handler(void)
{
}
/******************************************************************************/
/* PY32F0xx Peripheral Interrupt Handlers */
/* Add here the Interrupt Handlers for the used peripherals. */
/* For the available peripheral interrupt handler names, */
/* please refer to the startup file. */
/******************************************************************************/
/************************ (C) COPYRIGHT Puya *****END OF FILE******************/

49
Examples/LL/Flash/RestoreOptionBytes/py32f0xx_it.h Normal file
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/**
******************************************************************************
* @file py32f0xx_it.h
* @author MCU Application Team
* @brief This file contains the headers of the interrupt handlers.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) Puya Semiconductor Co.
* All rights reserved.</center></h2>
*
* <h2><center>&copy; Copyright (c) 2016 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 __PY32F0XX_IT_H
#define __PY32F0XX_IT_H
#ifdef __cplusplus
extern "C" {
#endif
/* Private includes ----------------------------------------------------------*/
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions prototypes ---------------------------------------------*/
void NMI_Handler(void);
void HardFault_Handler(void);
void SVC_Handler(void);
void PendSV_Handler(void);
void SysTick_Handler(void);
#ifdef __cplusplus
}
#endif
#endif /* __PY32F0XX_IT_H */
/************************ (C) COPYRIGHT Puya *****END OF FILE******************/

90
Examples/LL/Flash/WriteOptionBytes/main.c Normal file
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/**
* Demo: Write Option Bytes
*
* Board: PY32F003W1XS (SOP16)
*
* This demo shows how to config reset pin as gpio output
*/
#include "main.h"
#include "py32f0xx_bsp_printf.h"
#include "py32f0xx_bsp_clock.h"
static void APP_GPIOConfig(void);
static void APP_FlashSetOptionBytes(void);
int main(void)
{
BSP_RCC_HSI_24MConfig();
BSP_USART_Config(115200);
printf("PY32F0xx GPIO Example\r\nClock: %ld\r\n", SystemCoreClock);
LL_mDelay(1000);
if(READ_BIT(FLASH->OPTR, FLASH_OPTR_NRST_MODE) == OB_RESET_MODE_RESET)
{
printf("Configurate RESET as GPIO\r\n");
/* This will reset the MCU */
APP_FlashSetOptionBytes();
}
else
{
printf("RESET has been configurated as GPIO\r\n");
}
/* Don't config GPIO before changing the option bytes */
APP_GPIOConfig();
while (1)
{
LL_GPIO_TogglePin(GPIOA, LL_GPIO_PIN_0);
LL_GPIO_TogglePin(GPIOF, LL_GPIO_PIN_0);
printf("echo\r\n");
LL_mDelay(1000);
}
}
static void APP_GPIOConfig(void)
{
// PA0
LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOA);
LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_0, LL_GPIO_MODE_OUTPUT);
// PF0 -> GPIO output, PF2 -> analog
LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOF);
LL_GPIO_SetPinMode(GPIOF, LL_GPIO_PIN_0, LL_GPIO_MODE_OUTPUT);
// PY32F003W1XS: PF0 and PF2 share the same pin, it's recommended to set PF2 as analog
LL_GPIO_SetPinMode(GPIOF, LL_GPIO_PIN_2, LL_GPIO_MODE_ANALOG);
}
static void APP_FlashSetOptionBytes(void)
{
FLASH_OBProgramInitTypeDef OBInitCfg;
LL_FLASH_Unlock();
LL_FLASH_OB_Unlock();
OBInitCfg.OptionType = OPTIONBYTE_USER;
OBInitCfg.USERType = OB_USER_BOR_EN | OB_USER_BOR_LEV | OB_USER_IWDG_SW | OB_USER_WWDG_SW | OB_USER_NRST_MODE | OB_USER_nBOOT1;
/*
* The default value: OB_BOR_DISABLE | OB_BOR_LEVEL_3p1_3p2 | OB_IWDG_SW | OB_WWDG_SW | OB_RESET_MODE_RESET | OB_BOOT1_SYSTEM;
*/
OBInitCfg.USERConfig = OB_BOR_DISABLE | OB_BOR_LEVEL_3p1_3p2 | OB_IWDG_SW | OB_WWDG_SW | OB_RESET_MODE_GPIO | OB_BOOT1_SYSTEM;
LL_FLASH_OBProgram(&OBInitCfg);
LL_FLASH_Lock();
LL_FLASH_OB_Lock();
/* Reload option bytes */
LL_FLASH_OB_Launch();
}
void APP_ErrorHandler(void)
{
while (1);
}
#ifdef USE_FULL_ASSERT
void assert_failed(uint8_t *file, uint32_t line)
{
while (1);
}
#endif /* USE_FULL_ASSERT */

60
Examples/LL/Flash/WriteOptionBytes/main.h Normal file
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/**
******************************************************************************
* @file main.h
* @author MCU Application Team
* @brief Header for main.c file.
* This file contains the common defines of the application.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) Puya Semiconductor Co.
* All rights reserved.</center></h2>
*
* <h2><center>&copy; Copyright (c) 2016 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 __MAIN_H
#define __MAIN_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "py32f0xx_ll_rcc.h"
#include "py32f0xx_ll_bus.h"
#include "py32f0xx_ll_system.h"
#include "py32f0xx_ll_exti.h"
#include "py32f0xx_ll_cortex.h"
#include "py32f0xx_ll_utils.h"
#include "py32f0xx_ll_pwr.h"
#include "py32f0xx_ll_dma.h"
#include "py32f0xx_ll_flash.h"
#include "py32f0xx_ll_gpio.h"
#if defined(USE_FULL_ASSERT)
#include "py32_assert.h"
#endif /* USE_FULL_ASSERT */
/* Private includes ----------------------------------------------------------*/
/* Private defines -----------------------------------------------------------*/
/* Exported variables prototypes ---------------------------------------------*/
/* Exported functions prototypes ---------------------------------------------*/
void APP_ErrorHandler(void);
#ifdef __cplusplus
}
#endif
#endif /* __MAIN_H */
/************************ (C) COPYRIGHT Puya *****END OF FILE******************/

59
Examples/LL/Flash/WriteOptionBytes/py32_assert.h Normal file
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/**
******************************************************************************
* @file py32_assert.h
* @brief PY32 assert file.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) Puya Semiconductor Co.
* All rights reserved.</center></h2>
*
* <h2><center>&copy; Copyright (c) 2016 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 __PY32_ASSERT_H
#define __PY32_ASSERT_H
#ifdef __cplusplus
extern "C" {
#endif
#ifdef USE_FULL_ASSERT
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Includes ------------------------------------------------------------------*/
#include "stdint.h"
/* Exported macro ------------------------------------------------------------*/
/**
* @brief The assert_param macro is used for function's parameters check.
* @param expr: If expr is false, it calls assert_failed function
* which reports the name of the source file and the source
* line number of the call that failed.
* If expr is true, it returns no value.
* @retval None
*/
#define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
/* Exported functions ------------------------------------------------------- */
void assert_failed(uint8_t* file, uint32_t line);
#else
#define assert_param(expr) ((void)0U)
#endif /* USE_FULL_ASSERT */
#ifdef __cplusplus
}
#endif
#endif /* __PY32_ASSERT_H */
/************************ (C) COPYRIGHT Puya *****END OF FILE******************/

84
Examples/LL/Flash/WriteOptionBytes/py32f0xx_it.c Normal file
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/**
******************************************************************************
* @file py32f0xx_it.c
* @author MCU Application Team
* @brief Interrupt Service Routines.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) Puya Semiconductor Co.
* All rights reserved.</center></h2>
*
* <h2><center>&copy; Copyright (c) 2016 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
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "py32f0xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private user code ---------------------------------------------------------*/
/* External variables --------------------------------------------------------*/
/******************************************************************************/
/* Cortex-M0+ Processor Interruption and Exception Handlers */
/******************************************************************************/
/**
* @brief This function handles Non maskable interrupt.
*/
void NMI_Handler(void)
{
}
/**
* @brief This function handles Hard fault interrupt.
*/
void HardFault_Handler(void)
{
while (1)
{
}
}
/**
* @brief This function handles System service call via SWI instruction.
*/
void SVC_Handler(void)
{
}
/**
* @brief This function handles Pendable request for system service.
*/
void PendSV_Handler(void)
{
}
/**
* @brief This function handles System tick timer.
*/
void SysTick_Handler(void)
{
}
/******************************************************************************/
/* PY32F0xx Peripheral Interrupt Handlers */
/* Add here the Interrupt Handlers for the used peripherals. */
/* For the available peripheral interrupt handler names, */
/* please refer to the startup file. */
/******************************************************************************/
/************************ (C) COPYRIGHT Puya *****END OF FILE******************/

49
Examples/LL/Flash/WriteOptionBytes/py32f0xx_it.h Normal file
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/**
******************************************************************************
* @file py32f0xx_it.h
* @author MCU Application Team
* @brief This file contains the headers of the interrupt handlers.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) Puya Semiconductor Co.
* All rights reserved.</center></h2>
*
* <h2><center>&copy; Copyright (c) 2016 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 __PY32F0XX_IT_H
#define __PY32F0XX_IT_H
#ifdef __cplusplus
extern "C" {
#endif
/* Private includes ----------------------------------------------------------*/
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions prototypes ---------------------------------------------*/
void NMI_Handler(void);
void HardFault_Handler(void);
void SVC_Handler(void);
void PendSV_Handler(void);
void SysTick_Handler(void);
#ifdef __cplusplus
}
#endif
#endif /* __PY32F0XX_IT_H */
/************************ (C) COPYRIGHT Puya *****END OF FILE******************/