/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : main.c
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* @brief : Main program body
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2021 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "adc.h"
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#include "i2c.h"
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#include "tim.h"
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#include "usart.h"
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#include "gpio.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include <string.h>
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#include "dht11.h"
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#include "sht30.h"
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#include "ds18b20.h"
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#include "core_json.h"
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#include "oled.h"
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#include "esp8266.h"
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN PTD */
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/* USER CODE END PTD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN PV */
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#define FLAG_WIFI_CONNECTED (1<<0)
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#define FLAG_SOCK_CONNECTED (1<<1)
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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void SystemClock_Config(void);
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/* USER CODE BEGIN PFP */
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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static int report_tempRH_json(void);
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static int parser_led_json(char *json_string, int bytes);
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static void proc_uart1_recv(void);
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/* USER CODE END 0 */
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/**
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* @brief The application entry point.
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* @retval int
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*/
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int main(void)
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{
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/* USER CODE BEGIN 1 */
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uint32_t last_time = 0;
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unsigned char buf[256];
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int rv;
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char ipaddr[16];
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char gateway[16];
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unsigned char wifi_flag = 0;
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_TIM6_Init();
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MX_TIM2_Init();
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MX_USART1_UART_Init();
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MX_ADC1_Init();
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MX_I2C2_Init();
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MX_USART2_UART_Init();
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/* USER CODE BEGIN 2 */
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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sysled_hearbeat();
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beep_start(2, 300);
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printf("Start BearKE1 5G NB-IoT Board Example Program v3.0\r\n");
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OLED_Init();
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OLED_ShowBanner(TIME_1S*2);
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esp8266_module_init();
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while (1)
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{
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if( ! (wifi_flag&FLAG_WIFI_CONNECTED) )
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{
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if( esp8266_join_network("Router_Home2G", "password") )
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{
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esp8266_module_init();
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HAL_Delay(2000);
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continue;
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}
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if( esp8266_get_ipaddr(ipaddr, gateway, sizeof(ipaddr) ) )
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{
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HAL_Delay(1000);
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continue;
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}
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if( esp8266_ping_test(gateway) )
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{
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HAL_Delay(1000);
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continue;
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}
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wifi_flag |= FLAG_WIFI_CONNECTED; /* set wifi connected flag */
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}
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if( ! (wifi_flag&FLAG_SOCK_CONNECTED) )
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{
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if( esp8266_sock_connect("192.168.2.103", 12345) )
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{
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HAL_Delay(1000);
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continue;
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}
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wifi_flag |= FLAG_SOCK_CONNECTED; /* set socket connected flag */
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}
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if( (rv=esp8266_sock_recv(buf, sizeof(buf))) > 0 )
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{
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printf("ESP8266 socket receive %d bytes data: %s\n", rv, buf);
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parser_led_json((char *)buf, rv);
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}
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if( time_after(HAL_GetTick(), last_time+3000) )
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{
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rv = report_tempRH_json();
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if( 0 == rv )
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{
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printf("ESP8266 socket send message ok\n");
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}
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else
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{
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printf("ESP8266 socket send message failure, rv=%d\n", rv);
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wifi_flag &= ~FLAG_SOCK_CONNECTED; /* clear socket connected flag */
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if( esp8266_ping_test(gateway) )
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{
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wifi_flag &= ~FLAG_WIFI_CONNECTED; /* clear wifi connected flag */
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}
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}
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last_time = HAL_GetTick(); /*update last report time */
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}
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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}
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/* USER CODE END 3 */
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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/** Configure the main internal regulator output voltage
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*/
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if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 1;
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RCC_OscInitStruct.PLL.PLLN = 20;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
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RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
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RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/* USER CODE BEGIN 4 */
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int report_tempRH_json(void)
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{
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char buf[128];
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float temperature, humidity=0.0;
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uint32_t temp, humd;
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int rv;
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if ( SHT30_SampleData(&temperature, &humidity) < 0 )
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{
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printf("ERROR: SHT30 Sample data failure\n");
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return -1;
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}
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memset(buf, 0, sizeof(buf));
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snprintf(buf, sizeof(buf), "{\"Temperature\":\"%.2f\", \"Humidity\":\"%.2f\"}", temperature, humidity);
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temp = (int)(temperature*100);
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humd = (int)(humidity*100);
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OLED_ShowTempHumdity(temp, humd, TIME_1S*2);
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rv = esp8266_sock_send((uint8_t *)buf, strlen(buf));
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return rv>0 ? 0 : -2;
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}
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int parser_led_json(char *json_string, int bytes)
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{
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JSONStatus_t result;
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char save;
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char *value;
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size_t valen;
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int i;
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printf("DBUG: Start parser JSON string: %s\r\n", json_string);
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result = JSON_Validate(json_string, bytes);
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/* JSON document is valid so far but incomplete */
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if( JSONPartial == result )
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{
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printf("WARN: JSON document is valid so far but incomplete!\r\n");
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return 0;
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}
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/* JSON document is not valid JSON */
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if( JSONSuccess != result )
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{
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printf("ERROR: JSON document is not valid JSON!\r\n");
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return -1;
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}
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/* Parser and set LED status */
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for(i=0; i<LedMax; i++)
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{
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result = JSON_Search( json_string, bytes, leds[i].name, strlen(leds[i].name), &value, &valen);
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if( JSONSuccess == result )
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{
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save = value[valen];
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value[valen] = '\0';
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if( !strncasecmp(value, "on", 2) )
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{
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printf("DBUG: turn %s on\r\n", leds[i].name);
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turn_led(i, ON);
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}
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else if( !strncasecmp(value, "off", 3) )
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{
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printf("DBUG: turn %s off\r\n", leds[i].name);
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turn_led(i, OFF);
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}
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value[valen] = save;
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}
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}
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return 1;
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}
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void proc_uart1_recv(void)
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{
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if( g_uart1_bytes > 0 )
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{
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HAL_Delay(200);
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if( 0 != parser_led_json(g_uart1_rxbuf, g_uart1_bytes) )
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{
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clear_uart1_rxbuf();
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}
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}
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}
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/* USER CODE END 4 */
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/**
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* @brief This function is executed in case of error occurrence.
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* @retval None
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*/
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void Error_Handler(void)
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{
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/* USER CODE BEGIN Error_Handler_Debug */
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/* User can add his own implementation to report the HAL error return state */
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__disable_irq();
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while (1)
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{
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}
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/* USER CODE END Error_Handler_Debug */
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* USER CODE BEGIN 6 */
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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