WoW,用swtich上瘾啊
后补的在哪?
#include "stm32f10x.h" 27.#include "stm32_eval.h" 28.#include "delay.h" 29.#include 30.volatile int flag; 31.#define Set_B20() GPIO_SetBits(GPIOC, GPIO_Pin_12) 32.#define Reset_B20() GPIO_ResetBits(GPIOC, GPIO_Pin_12) 33.#define Read_B20() GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_12) 34.unsigned char Error_Flag=0; 35.unsigned char zf=0; 36.void SysTick_Configuration(void) 37.{ 38. /* Setup SysTick Timer for 10 msec interrupts */ 39. if (SysTick_Config(48000)) //配置 40. { 41. /* Capture error */ 42. while (1); 43. } 44. /* Configure the SysTick handler priority */ 45. NVIC_SetPriority(SysTick_IRQn, 0x0); 46.} 49./** @addtogroup STM32F10x_StdPeriph_Examples 50. * @{ 51. */ 52. 53./** @addtogroup EXTI_Config 54. * @{ 55. */ 56. 57./* Private typedef -----------------------------------------------------------*/ 58./* Private define ------------------------------------------------------------*/ 59./* Private macro -------------------------------------------------------------*/ 60./* Private variables ---------------------------------------------------------*/ 61.GPIO_InitTypeDef GPIO_InitStructure; 62.USART_InitTypeDef USART_InitStructure; 63.USART_ClockInitTypeDef USART_ClockInitStructure; 64. 65.void RCC_Configuration(void) 66.{ 67. RCC_DeInit(); 68. 69. RCC_HSICmd(ENABLE); 70. while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); 72. RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI); 73. RCC_HSEConfig(RCC_HSE_OFF); 75. RCC_LSEConfig(RCC_LSE_OFF); 77. ******配置PLL时钟频率为52MHZ******* 78. 79. RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_8); //RCC_PLLMul_x 即设置PLL时钟频率为 5*x MHz 80. 81. //************************************// 82. 83. RCC_PLLCmd(ENABLE); ////******************* 84. while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); 85. RCC_ADCCLKConfig(RCC_PCLK2_Div4); 86. RCC_PCLK2Config(RCC_HCLK_Div1); 87. RCC_PCLK1Config(RCC_HCLK_Div2); 88. RCC_HCLKConfig(RCC_SYSCLK_Div1); 89. RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); 90. while(RCC_GetSYSCLKSource() != 0x08); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); 96.GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG SW_DP 97.RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); 98. GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG 99. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; // //选择设置GPIO管脚 100. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; ////设置管脚速率 101. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; ////设置管脚工作状态,此为推挽输出 102. GPIO_Init(GPIOD, &GPIO_InitStructure); //初始化GPIOD 103. GPIO_ResetBits(GPIOD,GPIO_Pin_2); //上拉关闭蜂鸣器 104. RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE); 105. GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG 106. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;//LED 107. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; 108. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; 109. GPIO_Init(GPIOC, &GPIO_InitStructure); 110. GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); 111. RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); 112.} 114.void USART_int(long BaudRate) 115.{ 116. RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);//设时钟 117. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; 118. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; 119. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; 120. GPIO_Init(GPIOA, &GPIO_InitStructure); 121. /* PA10 USART1_Rx */ 122. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; 123. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; 124. GPIO_Init(GPIOA, &GPIO_InitStructure); 125. /* USARTx configured as follow: 126. - BaudRate = 115200 baud 127. - Word Length = 8 Bits 128. - One Stop Bit 129. - No parity 130. - Hardware flow control disabled (RTS and CTS signals) 131. - Receive and transmit enabled 132. */ 133. USART_InitStructure.USART_BaudRate = BaudRate;//设置USART传输波特率 134. USART_InitStructure.USART_WordLength = USART_WordLength_8b;//一帧传输或者接收的数据位数为8bit 135. USART_InitStructure.USART_StopBits = USART_StopBits_1;//在帧结尾传输一个停止位 136. USART_InitStructure.USART_Parity = USART_Parity_No;//奇偶模式失能 137. USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//硬件流控制失能 138. USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//使能接收发模式 139. USART_ClockInitStructure.USART_Clock = USART_Clock_Disable; //时钟低电平活动 140. USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low; //引脚时钟输出低电平时钟 141. USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge; //第二个时钟边沿开始捕获数据 142. USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;//最后一位数据的时钟脉冲不从SCLK输出 143. USART_ClockInit(USART1, &USART_ClockInitStructure); 144. USART_Init(USART1, &USART_InitStructure);//USART1初始化 145. USART_Cmd(USART1, ENABLE);//使能USART1时钟外设 146. USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);//使能接受中断 147. USART_Cmd(USART1, ENABLE); 148.} 149. 150.void delay_18b20(u32 nus) 151.{ 152. u16 i; 153. while(nus--) 154. for(i=12;i>0;i--); 155.} 156. 157. 158. 159.void Init18B20(void) //18B20初始化 160.{ 161. u8 aa=0; 162. u8 count =0; 163. RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);//使能PC时钟 164. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12; 165. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;//开漏输出 166. GPIO_Init(GPIOC, &GPIO_InitStructure); 167. Set_B20() ; // GPIO_SetBits(GPIOC, GPIO_Pin_12) 168. delay_18b20(1); 169. Reset_B20(); 170. 171. delay_18b20(480); 172. Set_B20(); 173.// delay_18b20(500); 174. delay_18b20(480); 175. 176. count=0; 177. aa=Read_B20(); //温度读取 179. while(!aa && count<100) 180. { 181. aa=Read_B20(); 182. count++; //for()和while结合 183. } 184. if(count>=99) 185. Error_Flag=1; 186. else 187. Error_Flag=0; 188. 189.} 190. 191.unsigned char Read18B20(void)//按位读取数据 192.{ 193.unsigned char i=0; 194.unsigned char date=0; 195.u8 tempp; 196. for(i=8;i>0;i--) 197. { 198. 199. Reset_B20(); //打开PC12 200. date>>=1; //标志右移一位 201. delay_18b20(1); 202. Set_B20(); 203. delay_18b20(1); 204. tempp=Read_B20(); //读取温度 205. 206. if(tempp) 207. date|=0x80; 208. delay_18b20(60); 209. } 210. return(date); 211.} 212.void Write18B20(unsigned char date)// 213.{ 214. unsigned char i=0; 215. 216. for (i=8; i>0; i--) 217. { 218. Reset_B20(); 219. delay_18b20(1); 220. if(date & 0x01) 221. { 222. Set_B20(); 223. } 224. else 225. { Reset_B20();} 226. delay_18b20(60); 227. date>>=1; 228. Set_B20(); 229. delay_18b20(1); 230. 231. } 232. delay_18b20(15); 233.} 234. 235. float Read_T()//读温度 236.{ 237. unsigned char TUp,TDown; 238. unsigned char fTemp; 239. u8 TT=0; 240. 241. float Temp = 0; 242. Init18B20(); 243. Write18B20(0xcc); 244. Write18B20(0x44); 245. Init18B20(); 246. Write18B20(0xcc); 247. Write18B20(0xbe); 248. TDown = Read18B20(); 249. TUp = Read18B20(); 250. 251. if(TUp>0x7f) 252. { 253. TDown=~TDown; 254. TUp=~TUp+1; 255. TUp/=8; 256. zf=1; 257. } 258. else 259. zf=0; 260. 261. fTemp=TDown&0x0f; 262. TUp<<=4; 263. TDown>>=4; 264. TT=TUp|TDown; 265. Temp=TT+(float)fTemp/16; 266. return(Temp); 267.} 268. 269.int main(void) 270.{ 271. 272. /*!< At this stage the microcontroller clock setting is already configured, 273. this is done through SystemInit() function which is called from startup 274. file (startup_stm32f10x_xx.s) before to branch to application main. 275. To reconfigure the default setting of SystemInit() function, refer to 276. system_stm32f10x.c file 277. */ 278. 279. /* System Clocks Configuration */ 280. char ID[8]; 281. int i; 282. RCC_Configuration(); 283. USART_int(115200); 284. SysTick_Configuration(); 285. printf(" config done...\r\n"); 286. delay_ms(1000); 287. 288. Init18B20(); //初始化 289. Write18B20(0x33); //读取地址的命令 290. delay_18b20(20); 291. for(i=0;i<8;i++) // 292. { 293. ID[i] = Read18B20();//读取地址 294. } 295. 296. while(1) 297. { 298. if(flag == 300) 299. { 300. printf("At the moment of ID is:") ; 301. for(i=0;i<8;i++) 302. { 303. printf("%u",ID[i]);//输出地址 304. } 305. printf("\r\n") ; 306. } 307. if(flag == 500) 308. { 309. printf("The Temperature is:%f\r\n",Read_T()); 310. printf("===================================================\r\n"); 311. } 312. } 313.} 314. 315. 316. 317.#ifdef USE_FULL_ASSERT 318. 319./** 320. * @brief Reports the name of the source file and the source line number 321. * where the assert_param error has occurred. 322. * @param file: pointer to the source file name 323. * @param line: assert_param error line source number 324. * @retval None 325. */ 326.void assert_failed(uint8_t* file, uint32_t line) 327.{ 328. /* User can add his own implementation to report the file name and line number, 329. ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ 330. 331. /* Infinite loop */ 332. while (1) 333. { 334. } 335.} 336. 337.#endif 338. 339./** 340. * @} 341. */ 342. 343./** 344. * @} 345. */ 346. 347.#ifdef __GNUC__ 348. /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf 349. set to 'Yes') calls __io_putchar() */ 350. #define PUTCHAR_PROTOTYPE int __io_putchar(int ch) 351.#else 352. #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f) 353.#endif /* __GNUC__ */ 354. 355. 356. 357./** 358. * @brief Retargets the C library printf function to the USART. 359. * @param None 360. * @retval None 361. */ 362.PUTCHAR_PROTOTYPE 363.{ 364. /* Place your implementation of fputc here */ 365. /* e.g. write a character to the USART */ 366. USART_SendData(EVAL_COM1, (uint8_t) ch); 367. 368. /* Loop until the end of transmission */ 369. while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET) 370. {} 371. 372. return ch; 373.} 374. 375.#ifdef USE_FULL_ASSERT 376. 377./** 378. * @brief Reports the name of the source file and the source line number 379. * where the assert_param error has occurred. 380. * @param file: pointer to the source file name 381. * @param line: assert_param error line source number 382. * @retval None 383. */ 384.void assert_failed(uint8_t* file, uint32_t line) 385.{ 386. /* User can add his own implementation to report the file name and line number, 387. ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ 388. 389. /* Infinite loop */ 390. while (1) 391. { 392. } 393.} 395.#endif
#include <stm32f10x.h> #include "stm32_eval.h" #include "delay.h" #include <stdio.h> #include "spi_flash.h" #define VREF 3.3 #define TxBufferSize1 (countof(TxBuffer1) - 1) #define RxBufferSize1 (countof(TxBuffer1) - 1) #define countof(a) (sizeof(a) / sizeof(*(a))) #define BufferSize (countof(Tx_Buffer)-1) typedef enum { FAILED = 0, PASSED = !FAILED} TestStatus; #define FLASH_WriteAddress 0x00000 #define FLASH_ReadAddress FLASH_WriteAddress #define FLASH_SectorToErase FLASH_WriteAddress #define sFLASH_ID 0xEF3015 //W25X16 //#define sFLASH_ID 0xEF4015 //W25Q16 #define buff_size 16; char rx_buff_count=0; uint8_t Tx_Buffer[4096] ; uint8_t Rx_Buffer[BufferSize]; __IO uint32_t DeviceID = 0; __IO uint32_t FlashID = 0; __IO TestStatus TransferStatus1 = FAILED; void Delay(__IO uint32_t nCount); TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength); /** @addtogroup STM32F10x_StdPeriph_Examples * @{ */ /** @addtogroup EXTI_Config * @{ */ /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; USART_ClockInitTypeDef USART_ClockInitStructure; char *int_to_string(int number,char *strnum)// { int j=0,i=0,n=0; char temp; while(number>0) { *(strnum+j)=number%10+48; j++; number=number/10; n++; } for(i=0;i<n/2;i++) { temp=*(strnum+j+i-n); *(strnum+j+i-n)=*(strnum+j-i-1); *(strnum+j-i-1)=temp; } strnum[n]='\0'; return strnum; } void RCC_Configuration(void) { RCC_DeInit(); RCC_HSICmd(ENABLE); //使能HSI while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI); RCC_HSEConfig(RCC_HSE_OFF); RCC_LSEConfig(RCC_LSE_OFF); RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); // 72HMz RCC_PLLCmd(ENABLE); while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); RCC_ADCCLKConfig(RCC_PCLK2_Div4); RCC_PCLK2Config(RCC_HCLK_Div1); RCC_PCLK1Config(RCC_HCLK_Div2); RCC_HCLKConfig(RCC_SYSCLK_Div1); RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); while(RCC_GetSYSCLKSource() != 0x08) //SystemInit(); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOD, &GPIO_InitStructure); GPIO_ResetBits(GPIOD,GPIO_Pin_2); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); } void USART_int(long BaudRate) { RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(GPIOA, &GPIO_InitStructure); /* PA10 USART1_Rx */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_Init(GPIOA, &GPIO_InitStructure); /* USARTx configured as follow: - BaudRate = 115200 baud - Word Length = 8 Bits - One Stop Bit - No parity - Hardware flow control disabled (RTS and CTS signals) - Receive and transmit enabled */ USART_InitStructure.USART_BaudRate = BaudRate; USART_InitStructure.USART_WordLength = USART_WordLength_8b;//???????8bit USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; USART_ClockInitStructure.USART_Clock = USART_Clock_Disable; USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low; USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge; USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable; USART_ClockInit(USART1, &USART_ClockInitStructure); USART_Init(USART1, &USART_InitStructure); USART_Cmd(USART1, ENABLE); USART_ITConfig(USART1, USART_IT_RXNE, ENABLE); USART_Cmd(USART1, ENABLE); } TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength) { while(BufferLength--) { if(*pBuffer1 != *pBuffer2) { return FAILED; } pBuffer1++; pBuffer2++; } return PASSED; } void Delay(__IO uint32_t nCount) { for(; nCount != 0; nCount--); } void ADC_CONFIG(){ ADC_InitTypeDef ADC_InitStructure; #if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL) /* ADCCLK = PCLK2/2 */ RCC_ADCCLKConfig(RCC_PCLK2_Div2); #else /* ADCCLK = PCLK2/4 */ RCC_ADCCLKConfig(RCC_PCLK2_Div4); #endif ADC_DeInit(ADC1); /* Enable ADC1 and GPIOC clock */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOB, ENABLE); /* Configure PB0 (ADC Channel14) as analog input -------------------------*/ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; GPIO_Init(GPIOB, &GPIO_InitStructure); /* ADC1 configuration ------------------------------------------------------*/ ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; ADC_InitStructure.ADC_ScanConvMode = ENABLE; ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; ADC_InitStructure.ADC_NbrOfChannel = 1; ADC_Init(ADC1, &ADC_InitStructure); /* Enable ADC1 DMA */ ADC_DMACmd(ADC1, ENABLE); /* Enable ADC1 */ ADC_Cmd(ADC1, ENABLE); } int Get_ADC(){ /* ADC1 regular channel configuration */ ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1, ADC_SampleTime_55Cycles5); /* Enable ADC1 reset calibration register */ ADC_ResetCalibration(ADC1); /* Check the end of ADC1 reset calibration register */ while(ADC_GetResetCalibrationStatus(ADC1)); /* Start ADC1 calibration */ ADC_StartCalibration(ADC1); /* Check the end of ADC1 calibration */ while(ADC_GetCalibrationStatus(ADC1)); /* Start ADC1 Software Conversion */ ADC_SoftwareStartConvCmd(ADC1, ENABLE); return ADC_GetConversionValue(ADC1); } void SPI_TEST() { int i=0; int ADValue = 0; float Volt=0.00; char shuzu[100]; for(i=0;i<5;i++) { ADValue = Get_ADC(); Volt = VREF*ADValue/4095; printf("===============================\r\n"); printf("The ADC value is:%d\r\n",ADValue); printf("The Volt is:%f V\r\n",Volt); delay_ms(500); } printf("\r\n2M SPI总线flash(W25X16)测试 \r\n"); SPI_FLASH_Init(); /* Get SPI Flash Device ID */ DeviceID = SPI_FLASH_ReadDeviceID(); Delay( 200 ); /* Get SPI Flash ID */ FlashID = SPI_FLASH_ReadID(); printf("\r\n FlashID is 0x%X, Manufacturer Device ID is 0x%X\r\n", FlashID, DeviceID); /* Check the SPI Flash ID */ if (FlashID == sFLASH_ID) /* #define sFLASH_ID 0xEF3015 */ { printf("\r\n flash W25X16 !\r\n"); SPI_FLASH_SectorErase(FLASH_SectorToErase); SPI_FLASH_BufferWrite(Tx_Buffer, FLASH_WriteAddress, BufferSize); printf("\r\n写入的数据是:%s \r\t", Tx_Buffer); SPI_FLASH_BufferRead(Rx_Buffer, FLASH_ReadAddress, BufferSize); printf("\r\n读出的数据是:%s \r\n", Rx_Buffer); TransferStatus1 = Buffercmp(Tx_Buffer, Rx_Buffer, BufferSize); if( PASSED == TransferStatus1 ) { printf("\r\n 2M SPI总线flash(W25X16)测试成功!\n\r"); } else { printf("\r\n 2M SPI总线flash(W25X16)测试失败!\n\r"); } }// if (FlashID == sFLASH_ID) else { printf("\r\n 未检测到 W25X16 ID!\n\r"); } SPI_Flash_PowerDown(); printf("\r\n=================================================\n\r"); } /* Private functions ---------------------------------------------------------*/ /** * @brief Main program. * @param None * @retval None */ int main(void) { RCC_Configuration(); USART_int(115200); ADC_CONFIG(); printf(" config done...\r\n"); Get_ADC(); delay_ms(800); while(1) { SPI_TEST(); delay_ms(800); } } #ifdef USE_FULL_ASSERT while (1) { } } #endif /** * @} */ /** * @} */ #ifdef __GNUC__ /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf set to 'Yes') calls __io_putchar() */ #define PUTCHAR_PROTOTYPE int __io_putchar(int ch) #else #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f) #endif /* __GNUC__ */ /** * @brief Retargets the C library printf function to the USART. * @param None * @retval None */ PUTCHAR_PROTOTYPE { /* Place your implementation of fputc here */ /* e.g. write a character to the USART */ USART_SendData(EVAL_COM1, (uint8_t) ch); /* Loop until the end of transmission */ while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET) {} return ch; } #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 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) */ /* Infinite loop */ while (1) { } } #endif
#include "stm32f10x.h" #include "stm32_eval.h" #include "delay.h" #include volatile int flag; #define Set_B20() GPIO_SetBits(GPIOC, GPIO_Pin_12) #define Reset_B20() GPIO_ResetBits(GPIOC, GPIO_Pin_12) #define Read_B20() GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_12) unsigned char Error_Flag=0; unsigned char zf=0; void SysTick_Configuration(void) { if (SysTick_Config(48000)) 45000/45ms=1ms { /* Capture error */ while (1); } /* Configure the SysTick handler priority */ NVIC_SetPriority(SysTick_IRQn, 0x0); } /** @addtogroup STM32F10x_StdPeriph_Examples * @{ */ /** @addtogroup EXTI_Config * @{ */ /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; USART_ClockInitTypeDef USART_ClockInitStructure; void RCC_Configuration(void) { RCC_DeInit(); RCC_HSICmd(ENABLE); while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI); RCC_HSEConfig(RCC_HSE_OFF); RCC_LSEConfig(RCC_LSE_OFF); //设置外部低速晶振,LSE晶振OFF RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_5); // RCC_PLLMul_ 设置PLL时钟频率为 5*8 MHz RCC_PLLCmd(ENABLE); while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);//L就绪 RCC_ADCCLKConfig(RCC_PCLK2_Div4); RCC_PCLK2Config(RCC_HCLK_Div1); RCC_PCLK1Config(RCC_HCLK_Div2); RCC_HCLKConfig(RCC_SYSCLK_Div1); RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); while(RCC_GetSYSCLKSource() != 0x08); // SystemInit(); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOD, &GPIO_InitStructure); GPIO_ResetBits(GPIOD,GPIO_Pin_2); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); } void USART_int(long BaudRate) { RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(GPIOA, &GPIO_InitStructure); /* PA10 USART1_Rx */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_Init(GPIOA, &GPIO_InitStructure); /* USARTx configured as follow: - BaudRate = 115200 baud - Word Length = 8 Bits - One Stop Bit - No parity - Hardware flow control disabled (RTS and CTS signals) - Receive and transmit enabled */ USART_InitStructure.USART_BaudRate = BaudRate; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; USART_ClockInitStructure.USART_Clock = USART_Clock_Disable; USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low; USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge; USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable; USART_ClockInit(USART1, &USART_ClockInitStructure); USART_Init(USART1, &USART_InitStructure); USART_Cmd(USART1, ENABLE); USART_ITConfig(USART1, USART_IT_RXNE, ENABLE); USART_Cmd(USART1, ENABLE); } void delay_18b20(u32 nus) //18b20按照严格的时序工作,专属延时 { u16 i; while(nus--) for(i=12;i>0;i--); } void Init18B20(void) //18B20初始化 { u8 aa=0; u8 count =0; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);//使能PC时钟 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;//选择PC12 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;//开漏输出 GPIO_Init(GPIOC, &GPIO_InitStructure); Set_B20() ; //拉高 delay_18b20(1); Reset_B20(); //拉低 delay_18b20(480); Set_B20();//拉高 delay_18b20(480); count=0; aa=Read_B20(); while(!aa && count<99) { aa=Read_B20(); count++; } if(count>=99) //大于99次 报错 为1 Error_Flag=1; else Error_Flag=0; //未达99次 正常 } unsigned char Read18B20(void) { unsigned char i=0; unsigned char date=0; u8 tempp; for(i=8;i>0;i--) { Reset_B20(); date>>=1; delay_18b20(1); Set_B20(); //拉高电平,关闭 delay_18b20(1); tempp=Read_B20();//读取温度值 if(tempp) date|=0x80; delay_18b20(60); } return(date); } void Write18B20(unsigned char date)//写数据 { unsigned char i=0; for (i=8; i>0; i--) { Reset_B20(); //置低电平 delay_18b20(1); if(date & 0x01) { Set_B20();//置高电平 } else { Reset_B20();} delay_18b20(60); date>>=1; //date右移一位 Set_B20();//置高电平 delay_18b20(1); } delay_18b20(15); } float Read_T()//读取温度值 { unsigned char TUp,TDown; unsigned char fTemp; u8 TT=0; float Temp = 0; Init18B20();//1820初始化 Write18B20(0xcc); Write18B20(0x44); Init18B20();//1820 Write18B20(0xcc); Write18B20(0xbe); int main(void) { int i; unsigned char ID[8]; /*!< At this stage the microcontroller clock setting is already configured, this is done through SystemInit() function which is called from startup file (startup_stm32f10x_xx.s) before to branch to application main. To reconfigure the default setting of SystemInit() function, refer to system_stm32f10x.c file */ /* System Clocks Configuration */ RCC_Configuration(); USART_int(115200); Init18B20();//初始化18B20 SysTick_Configuration(); printf(" config done...\r\n"); Write18B20(0x33); for(i=0;i<8;i++) { ID[i]=Read18B20(); } delay_ms(1000); while(1) { if(flag == 400){ printf("The Temperature is:%f\r\n",Read_T());//400us读一次温度 } if(flag == 300){ //300us读一次id printf("The id is:"); for(i=0;i<8;i++) { printf("%u",ID[i]); if(i==7){printf("\r\n"); } } } } } #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 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) */ /* Infinite loop */ while (1) { } } #endif /** * @} */ /** * @} */ #ifdef __GNUC__ /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf set to 'Yes') calls __io_putchar() */ #define PUTCHAR_PROTOTYPE int __io_putchar(int ch) #else #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f) #endif /* __GNUC__ */ /** * @brief Retargets the C library printf function to the USART. * @param None * @retval None */ PUTCHAR_PROTOTYPE { /* Place your implementation of fputc here */ /* e.g. write a character to the USART */ USART_SendData(EVAL_COM1, (uint8_t) ch); /* Loop until the end of transmission */ while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET) {} return ch; } #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 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) */ /* Infinite loop */ while (1) { } } <p> #endif </p> <p> <br> </p> <p> <br> </p>
#include "stm32f10x.h" #include "stm32_eval.h" #include "delay.h" #include volatile int flag; #define Set_B20() GPIO_SetBits(GPIOC, GPIO_Pin_12) #define Reset_B20() GPIO_ResetBits(GPIOC, GPIO_Pin_12) #define Read_B20() GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_12) unsigned char Error_Flag=0; unsigned char zf=0; void SysTick_Configuration(void) { if (SysTick_Config(48000)) 45000/45ms=1ms { /* Capture error */ while (1); } /* Configure the SysTick handler priority */ NVIC_SetPriority(SysTick_IRQn, 0x0); } /** @addtogroup STM32F10x_StdPeriph_Examples * @{ */ /** @addtogroup EXTI_Config * @{ */ /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; USART_ClockInitTypeDef USART_ClockInitStructure; void RCC_Configuration(void) { RCC_DeInit(); RCC_HSICmd(ENABLE); while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI); RCC_HSEConfig(RCC_HSE_OFF); RCC_LSEConfig(RCC_LSE_OFF); //设置外部低速晶振,LSE晶振OFF RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_5); // RCC_PLLMul_ 设置PLL时钟频率为 5*8 MHz RCC_PLLCmd(ENABLE); while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);//L就绪 RCC_ADCCLKConfig(RCC_PCLK2_Div4); RCC_PCLK2Config(RCC_HCLK_Div1); RCC_PCLK1Config(RCC_HCLK_Div2); RCC_HCLKConfig(RCC_SYSCLK_Div1); RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); while(RCC_GetSYSCLKSource() != 0x08); // SystemInit(); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOD, &GPIO_InitStructure); GPIO_ResetBits(GPIOD,GPIO_Pin_2); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); } void USART_int(long BaudRate) { RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(GPIOA, &GPIO_InitStructure); /* PA10 USART1_Rx */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_Init(GPIOA, &GPIO_InitStructure); /* USARTx configured as follow: - BaudRate = 115200 baud - Word Length = 8 Bits - One Stop Bit - No parity - Hardware flow control disabled (RTS and CTS signals) - Receive and transmit enabled */ USART_InitStructure.USART_BaudRate = BaudRate; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; USART_ClockInitStructure.USART_Clock = USART_Clock_Disable; USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low; USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge; USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable; USART_ClockInit(USART1, &USART_ClockInitStructure); USART_Init(USART1, &USART_InitStructure); USART_Cmd(USART1, ENABLE); USART_ITConfig(USART1, USART_IT_RXNE, ENABLE); USART_Cmd(USART1, ENABLE); } void delay_18b20(u32 nus) //18b20按照严格的时序工作,专属延时 { u16 i; while(nus--) for(i=12;i>0;i--); } void Init18B20(void) //18B20初始化 { u8 aa=0; u8 count =0; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);//使能PC时钟 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;//选择PC12 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;//开漏输出 GPIO_Init(GPIOC, &GPIO_InitStructure); Set_B20() ; //拉高 delay_18b20(1); Reset_B20(); //拉低 delay_18b20(480); Set_B20();//拉高 delay_18b20(480); count=0; aa=Read_B20(); while(!aa && count<99) { aa=Read_B20(); count++; } if(count>=99) //大于99次 报错 为1 Error_Flag=1; else Error_Flag=0; //未达99次 正常 } unsigned char Read18B20(void) { unsigned char i=0; unsigned char date=0; u8 tempp; for(i=8;i>0;i--) { Reset_B20(); date>>=1; delay_18b20(1); Set_B20(); //拉高电平,关闭 delay_18b20(1); tempp=Read_B20();//读取温度值 if(tempp) date|=0x80; delay_18b20(60); } return(date); } void Write18B20(unsigned char date)//写数据 { unsigned char i=0; for (i=8; i>0; i--) { Reset_B20(); //置低电平 delay_18b20(1); if(date & 0x01) { Set_B20();//置高电平 } else { Reset_B20();} delay_18b20(60); date>>=1; //date右移一位 Set_B20();//置高电平 delay_18b20(1); } delay_18b20(15); } float Read_T()//读取温度值 { unsigned char TUp,TDown; unsigned char fTemp; u8 TT=0; float Temp = 0; Init18B20();//1820初始化 Write18B20(0xcc); Write18B20(0x44); Init18B20();//1820 Write18B20(0xcc); Write18B20(0xbe); int main(void) { int i; unsigned char ID[8]; /*!< At this stage the microcontroller clock setting is already configured, this is done through SystemInit() function which is called from startup file (startup_stm32f10x_xx.s) before to branch to application main. To reconfigure the default setting of SystemInit() function, refer to system_stm32f10x.c file */ /* System Clocks Configuration */ RCC_Configuration(); USART_int(115200); Init18B20();//初始化18B20 SysTick_Configuration(); printf(" config done...\r\n"); Write18B20(0x33); for(i=0;i<8;i++) { ID[i]=Read18B20(); } delay_ms(1000); while(1) { if(flag == 400){ printf("The Temperature is:%f\r\n",Read_T());//400us读一次温度 } if(flag == 300){ //300us读一次id printf("The id is:"); for(i=0;i<8;i++) { printf("%u",ID[i]); if(i==7){printf("\r\n"); } } } } } #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 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) */ /* Infinite loop */ while (1) { } } #endif /** * @} */ /** * @} */ #ifdef __GNUC__ /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf set to 'Yes') calls __io_putchar() */ #define PUTCHAR_PROTOTYPE int __io_putchar(int ch) #else #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f) #endif /* __GNUC__ */ /** * @brief Retargets the C library printf function to the USART. * @param None * @retval None */ PUTCHAR_PROTOTYPE { /* Place your implementation of fputc here */ /* e.g. write a character to the USART */ USART_SendData(EVAL_COM1, (uint8_t) ch); /* Loop until the end of transmission */ while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET) {} return ch; } #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 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) */ /* Infinite loop */ while (1) { } } <p> #endif </p> <p> <br> </p> <p> <br> </p>
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