1 /** 2 ****************************************************************************** 3 * File Name : main.c 4 * Description : Main program body 5 ****************************************************************************** 6 ** This notice applies to any and all portions of this file 7 * that are not between comment pairs USER CODE BEGIN and 8 * USER CODE END. Other portions of this file, whether 9 * inserted by the user or by software development tools 10 * are owned by their respective copyright owners. 11 * 12 * COPYRIGHT(c) 2017 STMicroelectronics 13 * 14 * Redistribution and use in source and binary forms, with or without modification, 15 * are permitted provided that the following conditions are met: 16 * 1. Redistributions of source code must retain the above copyright notice, 17 * this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright notice, 19 * this list of conditions and the following disclaimer in the documentation 20 * and/or other materials provided with the distribution. 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 * 36 ****************************************************************************** 37 */ 38 /* Includes ------------------------------------------------------------------*/ 39 #include "main.h" 40 #include "stm32f1xx_hal.h" 41 42 /* USER CODE BEGIN Includes */ 43 44 /* USER CODE END Includes */ 45 46 /* Private variables ---------------------------------------------------------*/ 47 UART_HandleTypeDef huart1; 48 UART_HandleTypeDef huart3; 49 50 /* USER CODE BEGIN PV */ 51 /* Private variables ---------------------------------------------------------*/ 52 53 /* USER CODE END PV */ 54 55 /* Private function prototypes -----------------------------------------------*/ 56 void SystemClock_Config(void); 57 static void MX_GPIO_Init(void); 58 static void MX_USART1_UART_Init(void); 59 static void MX_USART3_UART_Init(void); 60 61 /* USER CODE BEGIN PFP */ 62 /* Private function prototypes -----------------------------------------------*/ 63 64 /* USER CODE END PFP */ 65 66 /* USER CODE BEGIN 0 */ 67 68 /* USER CODE END 0 */ 69 70 int main(void) 71 { 72 73 /* USER CODE BEGIN 1 */ 74 75 /* USER CODE END 1 */ 76 77 /* MCU Configuration----------------------------------------------------------*/ 78 79 /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ 80 HAL_Init(); 81 82 /* USER CODE BEGIN Init */ 83 84 /* USER CODE END Init */ 85 86 /* Configure the system clock */ 87 SystemClock_Config(); 88 89 /* USER CODE BEGIN SysInit */ 90 91 /* USER CODE END SysInit */ 92 93 /* Initialize all configured peripherals */ 94 MX_GPIO_Init(); 95 MX_USART1_UART_Init(); 96 MX_USART3_UART_Init(); 97 98 /* USER CODE BEGIN 2 */ 99 //熄灭三个LED灯 100 HAL_GPIO_WritePin(GPIOB, 101 GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_5, 1); 102 103 HAL_UART_Transmit(&huart1, 104 "WIFI配置... ",12,1000); 105 106 //数组用来存放串口接收的数据 107 uint8_t rec[100] = {0}; 108 //WIFI使能 PB8 = 1 109 HAL_GPIO_WritePin(GPIOB,GPIO_PIN_8,1); 110 //WIFI取消复位 PB9 = 1 111 HAL_GPIO_WritePin(GPIOB,GPIO_PIN_9,1); 112 HAL_Delay(1000); 113 //测试AT指令 114 HAL_UART_Transmit(&huart3,"AT ",4,1000); 115 HAL_UART_Receive(&huart3,rec,20,2000); 116 HAL_UART_Transmit(&huart1,rec,20,1000); 117 118 /*设置工作方式指令：AT+CWMODE=mode 119 mode = 1是station模式 120 mode = 2是AP模式 121 mode = 3是station+AP模式 122 */ 123 HAL_UART_Transmit(&huart3,"AT+CWMODE=2 ",13,1000); 124 HAL_UART_Receive(&huart3,rec,20,2000); 125 HAL_UART_Transmit(&huart1,rec,20,1000); 126 127 /*设置为单路连接模式：AT+CIPMUX=mode 128 mode = 0为单路连接 129 mode = 1为多路连接 130 */ 131 HAL_UART_Transmit(&huart3,"AT+CIPMUX=1 ", 132 13,1000); 133 HAL_UART_Receive(&huart3,rec,20,2000); 134 HAL_UART_Transmit(&huart1,rec,20,1000); 135 136 137 /*获取本机IP地址：AT+CIFS 138 */ 139 HAL_UART_Transmit(&huart3, 140 "AT+CIFSR ", 141 10,1000); 142 HAL_UART_Receive(&huart3,rec,50,2000); 143 HAL_UART_Transmit(&huart1,rec,50,1000); 144 145 /*发出WIFI热点指令： 146 AT+CWSAP=<ssid>,<pwd>,<chl>,<ecn> 147 ssid是热点名称 148 pwd是密码 149 ch1是通道号 150 ecn是加密方式 151 0 OPEN 152 1 WEP 153 2 WPA_PSK 154 3 WPA2_PSK 155 4 WPA_WPA2_PSK 156 */ 157 HAL_UART_Transmit(&huart3, 158 "AT+CWSAP="发出WIFI","zzaaqq11",1,3 ", 159 36,1000); 160 HAL_UART_Receive(&huart3,rec,50,2000); 161 HAL_UART_Transmit(&huart1,rec,50,1000); 162 HAL_Delay(500); 163 164 /* USER CODE END 2 */ 165 166 /* Infinite loop */ 167 /* USER CODE BEGIN WHILE */ 168 while (1) 169 { 170 /* USER CODE END WHILE */ 171 172 /* USER CODE BEGIN 3 */ 173 174 } 175 /* USER CODE END 3 */ 176 177 } 178 179 /** System Clock Configuration 180 */ 181 void SystemClock_Config(void) 182 { 183 184 RCC_OscInitTypeDef RCC_OscInitStruct; 185 RCC_ClkInitTypeDef RCC_ClkInitStruct; 186 187 /**Initializes the CPU, AHB and APB busses clocks 188 */ 189 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; 190 RCC_OscInitStruct.HSIState = RCC_HSI_ON; 191 RCC_OscInitStruct.HSICalibrationValue = 16; 192 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; 193 if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) 194 { 195 _Error_Handler(__FILE__, __LINE__); 196 } 197 198 /**Initializes the CPU, AHB and APB busses clocks 199 */ 200 RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK 201 |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2; 202 RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI; 203 RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; 204 RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; 205 RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; 206 207 if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK) 208 { 209 _Error_Handler(__FILE__, __LINE__); 210 } 211 212 /**Configure the Systick interrupt time 213 */ 214 HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000); 215 216 /**Configure the Systick 217 */ 218 HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK); 219 220 /* SysTick_IRQn interrupt configuration */ 221 HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0); 222 } 223 224 /* USART1 init function */ 225 static void MX_USART1_UART_Init(void) 226 { 227 228 huart1.Instance = USART1; 229 huart1.Init.BaudRate = 9600; 230 huart1.Init.WordLength = UART_WORDLENGTH_8B; 231 huart1.Init.StopBits = UART_STOPBITS_1; 232 huart1.Init.Parity = UART_PARITY_NONE; 233 huart1.Init.Mode = UART_MODE_TX_RX; 234 huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE; 235 huart1.Init.OverSampling = UART_OVERSAMPLING_16; 236 if (HAL_UART_Init(&huart1) != HAL_OK) 237 { 238 _Error_Handler(__FILE__, __LINE__); 239 } 240 241 } 242 243 /* USART3 init function */ 244 static void MX_USART3_UART_Init(void) 245 { 246 247 huart3.Instance = USART3; 248 huart3.Init.BaudRate = 115200; 249 huart3.Init.WordLength = UART_WORDLENGTH_8B; 250 huart3.Init.StopBits = UART_STOPBITS_1; 251 huart3.Init.Parity = UART_PARITY_NONE; 252 huart3.Init.Mode = UART_MODE_TX_RX; 253 huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE; 254 huart3.Init.OverSampling = UART_OVERSAMPLING_16; 255 if (HAL_UART_Init(&huart3) != HAL_OK) 256 { 257 _Error_Handler(__FILE__, __LINE__); 258 } 259 260 } 261 262 /** Configure pins as 263 * Analog 264 * Input 265 * Output 266 * EVENT_OUT 267 * EXTI 268 */ 269 static void MX_GPIO_Init(void) 270 { 271 272 GPIO_InitTypeDef GPIO_InitStruct; 273 274 /* GPIO Ports Clock Enable */ 275 __HAL_RCC_GPIOB_CLK_ENABLE(); 276 __HAL_RCC_GPIOA_CLK_ENABLE(); 277 278 /*Configure GPIO pin Output Level */ 279 HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_5|WIFI_CMD_Pin 280 |WIFI_RST_Pin, GPIO_PIN_RESET); 281 282 /*Configure GPIO pins : PB0 PB1 PB5 WIFI_CMD_Pin 283 WIFI_RST_Pin */ 284 GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_5|WIFI_CMD_Pin 285 |WIFI_RST_Pin; 286 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; 287 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; 288 HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); 289 290 } 291 292 /* USER CODE BEGIN 4 */ 293 294 /* USER CODE END 4 */ 295 296 /** 297 * @brief This function is executed in case of error occurrence. 298 * @param None 299 * @retval None 300 */ 301 void _Error_Handler(char * file, int line) 302 { 303 /* USER CODE BEGIN Error_Handler_Debug */ 304 /* User can add his own implementation to report the HAL error return state */ 305 while(1) 306 { 307 } 308 /* USER CODE END Error_Handler_Debug */ 309 } 310 311 #ifdef USE_FULL_ASSERT 312 313 /** 314 * @brief Reports the name of the source file and the source line number 315 * where the assert_param error has occurred. 316 * @param file: pointer to the source file name 317 * @param line: assert_param error line source number 318 * @retval None 319 */ 320 void assert_failed(uint8_t* file, uint32_t line) 321 { 322 /* USER CODE BEGIN 6 */ 323 /* User can add his own implementation to report the file name and line number, 324 ex: printf("Wrong parameters value: file %s on line %d ", file, line) */ 325 /* USER CODE END 6 */ 326 327 } 328 329 #endif 330 331 /** 332 * @} 333 */ 334 335 /** 336 * @} 337 */ 338 339 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/