/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "usart.h"
#include "gpio.h"
#include "pikaScript.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <stdio.h>
#include "PikaStdDevice/pika_hal.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 */
extern UART_HandleTypeDef huart1;

pika_dev* uart1_dev;
int fputc(int ch, FILE *f)
{
	//HAL_UART_Transmit(&huart1, (uint8_t *)&ch, 1, 0xffff);
	pika_hal_write(uart1_dev, (uint8_t *)&ch, 1);
	return ch;
}
/* PikaPlatform.c */
char __platform_getchar(void) {
		//return getchar();
    char buff[1] = {0};

    while(1){
			int len = pika_hal_read(uart1_dev, buff, 1);

			if (len > 0){
				printf("Got char: %c\r\n", buff[0]); 
				return buff[0];
			}
    }
}
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

    HAL_Init();
    SystemClock_Config();
    MX_GPIO_Init();
    MX_USART1_UART_Init();

    // Step 1: Before pika_hal_open
    const char *msg1 = "Step 1: Before pika_hal_open\r\n";
    HAL_UART_Transmit(&huart1, (uint8_t *)msg1, strlen(msg1), 100);

    uart1_dev = pika_hal_open(PIKA_HAL_UART, "UART1");

    // Step 2: After pika_hal_open
    const char *msg2 = "Step 2: After pika_hal_open\r\n";
    HAL_UART_Transmit(&huart1, (uint8_t *)msg2, strlen(msg2), 100);

    if (!uart1_dev) {
        const char *err = "? Failed to open UART1 via pika_hal\r\n";
        HAL_UART_Transmit(&huart1, (uint8_t *)err, strlen(err), 100);
        while (1);
    }

    // Step 3: Configure UART
    pika_hal_UART_config cfg = {0};
    cfg.baudrate = PIKA_HAL_UART_BAUDRATE_115200;
		const char *err1 = "Before ioctl CONFIG\r\n";
		int ret1 = pika_hal_ioctl(uart1_dev, PIKA_HAL_IOCTL_CONFIG, &cfg);
		HAL_UART_Transmit(&huart1, (uint8_t *)err1, strlen(err1), 100);
		const char *err2 = "After ioctl CONFIG\r\n";
		HAL_UART_Transmit(&huart1, (uint8_t *)err2, strlen(err2), 100);
		const char *err3 = "Before ioctl ENABLE\r\n";
		HAL_UART_Transmit(&huart1, (uint8_t *)err3, strlen(err3), 100);
		int ret2 = pika_hal_ioctl(uart1_dev, PIKA_HAL_IOCTL_ENABLE);
		const char *err4 = "After ioctl ENABLE";
		HAL_UART_Transmit(&huart1, (uint8_t *)err4, strlen(err4), 100);
    // Step 4: Before pikaScriptInit
    const char *msg3 = "Step 4: Before pikaScriptInit\r\n";
    HAL_UART_Transmit(&huart1, (uint8_t *)msg3, strlen(msg3), 100);

    PikaObj* pikaMain = pikaScriptInit();

    // Step 5: After pikaScriptInit
    const char *msg4 = "Step 5: After pikaScriptInit\r\n";
    HAL_UART_Transmit(&huart1, (uint8_t *)msg4, strlen(msg4), 100);

    // Step 6: Before pikaScriptShell
    const char *msg5 = "Step 6: Before pikaScriptShell\r\n";
    HAL_UART_Transmit(&huart1, (uint8_t *)msg5, strlen(msg5), 100);

    pikaScriptShell(pikaMain);

    // Step 7: After pikaScriptShell
    const char *msg6 = "Step 7: After pikaScriptShell\r\n";
    HAL_UART_Transmit(&huart1, (uint8_t *)msg6, strlen(msg6), 100);

    while (1) {
        HAL_Delay(1000);
    }
}

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

  /** 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.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  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_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = 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 */