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>
回复
| 有奖活动 | |
|---|---|
| 硬核工程师专属补给计划——填盲盒 | |
| “我踩过的那些坑”主题活动——第002期 | |
| 【EEPW电子工程师创研计划】技术变现通道已开启~ | |
| 发原创文章 【每月瓜分千元赏金 凭实力攒钱买好礼~】 | |
| 【EEPW在线】E起听工程师的声音！ | |
| 高校联络员开始招募啦！有惊喜！！ | |
| 【工程师专属福利】每天30秒，积分轻松拿！EEPW宠粉打卡计划启动！ | |
| 送您一块开发板，2025年“我要开发板活动”又开始了！ | |
我要赚赏金
STM32
MCU
通讯及无线技术
物联网技术
电子DIY
板卡试用
基础知识
软件与操作系统
我爱生活
小e食堂
