pikapython/package/STM32G030Booter/main.c

/* USER CODE BEGIN Header */
/**
 ******************************************************************************
 * @file           : main.c
 * @brief          : Main program body
 ******************************************************************************
 * @attention
 *
 * <h2><center>&copy; Copyright (c) 2021 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
 *
 ******************************************************************************
 */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "STM32_common.h"
#include "pikaScript.h"
#include "pikaVM.h"
#include "stdbool.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* supply the main object */
PikaObj* pikaMain;
extern char pikaShell[RX_BUFF_LENGTH];
extern uint8_t pikaShellRxOk;

/* USER CODE END 0 */

/**
 * @brief  The application entry point.
 * @retval int
 */
int main(void) {
    /* USER CODE BEGIN 1 */
    /* USER CODE END 1 */

    /* MCU
     * Configuration--------------------------------------------------------*/

    /* Reset of all peripherals, Initializes the Flash interface and the
     * Systick. */
    HAL_Init();

    /* USER CODE BEGIN Init */

    /* USER CODE END Init */

    /* Configure the system clock */
    SystemClock_Config();

    /* USER CODE BEGIN SysInit */

    /* USER CODE END SysInit */

    /* Initialize all configured peripherals */
    MX_GPIO_Init();
    /* USER CODE BEGIN 2 */
    __disable_irq();
    /* set vector table*/
    SCB->VTOR = FLASH_BASE | 0x2000;
    __enable_irq();

    HARDWARE_PRINTF_Init();
    STM32_Code_Init();

    printf("stm32 hardware init ok\r\n");

    char* code = (char*)FLASH_SCRIPT_START_ADDR;
    uint16_t codeOffset = 0;
    if (code[0] != 0xFF) {
        /* boot from flash */
        pikaMain = newRootObj("pikaMain", New_PikaMain);
        if (code[0] == 'i') {
            printf("[info]: boot from Script.\r\n");
            Arg* codeBuff = arg_setStr(NULL, "", code);
            obj_run(pikaMain, arg_getStr(codeBuff));
            arg_deinit(codeBuff);
            goto main_loop;
        }
        if (code[0] == 'B') {
            printf("==============[Pika ASM]==============\r\n");
            for(int i = 0; i < strGetSize(code); i ++){
                if('\n' == code[i]){
                    fputc('\r', (FILE*)!NULL);
                }
                fputc(code[i], (FILE*)!NULL);
            }
            printf("==============[Pika ASM]==============\r\n");
            printf("asm size: %d\r\n", strGetSize(code));
            printf("[info]: boot from Pika Asm.\r\n");
            pikaVM_runAsm(pikaMain, code);
            goto main_loop;
        }
    } else {
        /* boot from firmware */
        pikaMain = pikaScriptInit();
        goto main_loop;
    }

    main_loop:
    while (1) {
        if (pikaShellRxOk) {
            Parameters* runRes = obj_runDirect(pikaMain, pikaShell);
            char* sysOut = args_getSysOut(runRes->attributeList);
            uint8_t errcode = args_getErrorCode(runRes->attributeList);
            __platformPrintf(">>> %s", pikaShell);
            if (!strEqu("", sysOut)) {
                __platformPrintf("%s\r\n", sysOut);
            }
            if (NULL != runRes) {
                obj_deinit(runRes);
            }
            pikaShellRxOk = 0;
        }
    }
}

/**
 * @brief System Clock Configuration
 * @retval None
 */
void SystemClock_Config(void) {
    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

    /** Configure the main internal regulator output voltage
     */
    HAL_PWREx_ControlVoltageScaling(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_ON;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
    RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
    RCC_OscInitStruct.PLL.PLLN = 16;
    RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
    RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV3;
    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 | RCC_CLOCKTYPE_PCLK1;
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
        Error_Handler();
    }
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
 * @brief  This function is executed in case of error occurrence.
 * @retval None
 */
void Error_Handler(void) {
    /* USER CODE BEGIN Error_Handler_Debug */
    /* User can add his own implementation to report the HAL error return state
     */
    __disable_irq();
    while (1) {
    }
    /* USER CODE END Error_Handler_Debug */
}

#ifdef USE_FULL_ASSERT
/**
 * @brief  Reports the name of the source file and the source line number
 *         where the assert_param error has occurred.
 * @param  file: pointer to the source file name
 * @param  line: assert_param error line source number
 * @retval None
 */
void assert_failed(uint8_t* file, uint32_t line) {
    /* USER CODE BEGIN 6 */
    /* User can add his own implementation to report the file name and line
       number, ex: printf("Wrong parameters value: file %s on line %d\r\n",
       file, line) */
    /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/