标题: SD卡读写SDIO接口整个keil工程带usart调试实测可用 [打印本页]

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作者: beill8888    时间: 2017-9-7 10:37
标题: SD卡读写SDIO接口整个keil工程带usart调试实测可用
亲测SD卡读写SDIO接口可用。
CPU  STM32F103ZET6.

所有资料51hei提供下载:
SD卡读写-SDIO接口 代码.7z (159.08 KB, 下载次数: 35)

2022-11-22 03:08 上传

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单片机源程序如下:

1. /******************** (C) COPYRIGHT 2009 奋斗嵌入式开发工作室 ********************
   
2. * File Name          : main.c  
   
3. * Author             : Sun68
   
4. * Version            : V1.0
   
5. * Date               : 11/11/2009
   
6. * Description        : 演示将一段字符串写入AT45DB161D的1页中，然后读出并通过USART1传送出去。
   
7.                        字符串：SPI AT45DB161D Example: This is SPI DEMO, 终端上出现这一行字，说明AT45DDB161的读写正常
   
8.                        
   
9.     定义：        
   
10.         USART1
    
11.         TXD1----- PA9-US1-TX
    
12.         RXD1----- PA10-US1-RX          速率：115200,n,8,1
    
13. 
    
14.         SPI2
    
15.         NSS---PB12-SPI2-NSS
    
16.     MISO--PB14-SPI2-MISO
    
17.         MOSI--PB15-SPI2-MOSI
    
18.         SCK---PB13-SPI2-SCK
    
19. 
    
20.         
    
21. *********************************************************************/
    
22. /* Includes ------------------------------------------------------------------*/
    
23. #include "stm32f10x.h"
    
24. #include "platform_config.h"
    
25. #include "stm32f10x_usart.h"
    
26. #include "misc.h"
    
27. 
    
28. 
    
29. extern void SPI_Flash_Init(void);
    
30. extern u8 SPI_Flash_ReadByte(void);
    
31. extern u8 SPI_Flash_SendByte(u8 byte);
    
32. extern void FlashPageEarse(u16 page);
    
33. extern void FlashPageRead(u16 page,u8 *Data);
    
34. extern void FlashPageWrite(u16 page,u8 *Data);
    
35. extern void FlashWaitBusy(void);
    
36. extern void AT45_RomTo_buf(unsigned char buffer,unsigned int page);
    
37. extern u8 AT45_buf_ToRam(unsigned char buffer,unsigned int start_address,unsigned int length);
    
38. extern u8 AT45_RamTo_buf(unsigned char buffer,unsigned int start_address,unsigned int length);         
    
39. extern void AT45_buf_ToRom(unsigned char buffer,unsigned int page);
    
40. extern void AT45_page_earse(unsigned int page);
    
41. 
    
42. extern unsigned char AT45_buffer[];
    
43. /** @addtogroup StdPeriph_Examples
    
44.   * @{
    
45.   */
    
46. 
    
47. /** @addtogroup USART_Interrupt
    
48.   * @{
    
49.   */
    
50. 
    
51. /* Private typedef -----------------------------------------------------------*/
    
52. typedef enum { FAILED = 0, PASSED = !FAILED} TestStatus;
    
53. 
    
54. /* Private define ------------------------------------------------------------*/
    
55. #define TxBufferSize1   (countof(TxBuffer1) - 1)
    
56. #define RxBufferSize1   (countof(TxBuffer1) - 1)
    
57. 
    
58. /* Private macro -------------------------------------------------------------*/
    
59. #define countof(a)   (sizeof(a) / sizeof(*(a)))
    
60. 
    
61. /* Private variables ---------------------------------------------------------*/
    
62. USART_InitTypeDef USART_InitStructure;
    
63. uint8_t TxBuffer1[] = "SPI AT45DB161D Example: This is SPI DEMO, 终端上出现这一行字，说明AT45DDB161的读写正常";
    
64. uint8_t RxBuffer1[RxBufferSize1],rec_f;
    
65. __IO uint8_t TxCounter1 = 0x00;
    
66. __IO uint8_t RxCounter1 = 0x00;
    
67. uint8_t NbrOfDataToTransfer1 = TxBufferSize1;
    
68. uint8_t NbrOfDataToRead1 = RxBufferSize1;
    
69. __IO TestStatus TransferStatus1 = FAILED;
    
70. 
    
71. /* Private function prototypes -----------------------------------------------*/
    
72. void RCC_Configuration(void);
    
73. void GPIO_Configuration(void);
    
74. void NVIC_Configuration(void);
    
75. 
    
76. void Delay(__IO uint32_t nCount);
    
77. void USART_OUT(USART_TypeDef* USARTx, uint8_t *Data,uint16_t Len);
    
78. 
    
79. TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength);
    
80. 
    
81. GPIO_InitTypeDef GPIO_InitStructure;
    
82. USART_InitTypeDef USART_InitStruct;
    
83. USART_ClockInitTypeDef USART_ClockInitStruct;
    
84. int16_t USART_FLAG;
    
85. 
    
86. /* Private functions ---------------------------------------------------------*/
    
87. 
    
88. /**
    
89.   * @brief  Main program
    
90.   * @param  None
    
91.   * @retval : None
    
92.   */
    
93. int main(void)
    
94. {
    
95. 
    
96.    uint8_t a=0;
    
97.    uint16_t i=0;
    
98.   /* System Clocks Configuration */
    
99.   RCC_Configuration();
    
100.       
     
101.   /* NVIC configuration */
     
102.   NVIC_Configuration();
     
103. 
     
104.   /* Configure the GPIO ports */
     
105.   GPIO_Configuration();
     
106.   
     
107. /* USART1 configuration ------------------------------------------------------*/
     
108.   /* USART and USART2 configured as follow:
     
109.         - BaudRate = 115200 baud  
     
110.         - Word Length = 8 Bits
     
111.         - One Stop Bit
     
112.         - No parity
     
113.         - Hardware flow control disabled (RTS and CTS signals)
     
114.         - Receive and transmit enabled
     
115.   */
     
116.   USART_InitStructure.USART_BaudRate = 115200;
     
117.   USART_InitStructure.USART_WordLength = USART_WordLength_8b;
     
118.   USART_InitStructure.USART_StopBits = USART_StopBits_1;
     
119.   USART_InitStructure.USART_Parity = USART_Parity_No;
     
120.   USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
     
121.   USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
     
122. 
     
123.   /* Configure USART1 */
     
124.   USART_Init(USART1, &USART_InitStructure);
     
125. 
     
126.   
     
127.   /* Enable USART1 Receive and Transmit interrupts */
     
128.   USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
     
129.   USART_ITConfig(USART1, USART_IT_TXE, ENABLE);
     
130.    
     
131.   /* Enable the USART1 */
     
132.   USART_Cmd(USART1, ENABLE);
     
133.   SPI_Flash_Init();
     
134.   
     
135.   GPIO_SetBits(GPIOB, GPIO_Pin_5);
     
136.   
     
137.   for(i=0; i<TxBufferSize1;i++) AT45_buffer[i]=TxBuffer1[i];
     
138. 
     
139.   AT45_RamTo_buf(1,0,TxBufferSize1);  
     
140.   AT45_buf_ToRom(1,1);  //1区to一页            
     
141. 
     
142.   
     
143.   AT45_RomTo_buf(1,1);        //1页to1区  
     
144.   AT45_buf_ToRam(1,0,TxBufferSize1);   
     
145.   //GPIO_SetBits(GPIOB, GPIO_Pin_5); while(1);
     
146.   //GPIO_ResetBits(GPIOB, GPIO_Pin_5);
     
147.   a=0;
     
148.   for(i=0; i<TxBufferSize1;i++){
     
149.           if(AT45_buffer[i]==TxBuffer1[i]) a=1;
     
150.         else {a=0; i=TxBufferSize1;}
     
151.   }
     
152.   
     
153.   if(a==1) USART_OUT(USART1,&AT45_buffer[0],TxBufferSize1);         
     
154.    while (1)
     
155.   {        
     
156.   }
     
157. }
     
158. 
     
159. 
     
160. void USART_OUT(USART_TypeDef* USARTx, uint8_t *Data,uint16_t Len){
     
161.         uint16_t i;
     
162.         for(i=0; i<Len; i++){
     
163.                 USART_SendData(USARTx, Data[i]);
     
164.                 while(USART_GetFlagStatus(USARTx, USART_FLAG_TC)==RESET);
     
165.         }
     
166. }
     
167. 
     
168. void Delay(__IO uint32_t nCount)
     
169. {
     
170.   for(; nCount != 0; nCount--);
     
171. }
     
172. 
     
173. void RCC_Configuration(void)
     
174. {
     
175.   /* Setup the microcontroller system. Initialize the Embedded Flash Interface,  
     
176.      initialize the PLL and update the SystemFrequency variable. */
     
177.   SystemInit();
     
178.   
     
179.   /* Enable USART1, GPIOA, GPIOx and AFIO clocks */
     
180.   RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1 | RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOx
     
181.                          | RCC_APB2Periph_AFIO, ENABLE);
     
182.   /* Enable USART2 clock */
     
183.   RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
     
184. }
     
185. 
     
186. /**
     
187.   * @brief  Configures the different GPIO ports.
     
188.   * @param  None
     
189.   * @retval : None
     
190.   */
     
191. void GPIO_Configuration(void)
     
192. {
     
193. 
     
194.   RCC_APB2PeriphClockCmd( RCC_APB2Periph_USART1 |RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
     
195.                          RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD |
     
196.                          RCC_APB2Periph_GPIOE, ENABLE);
     
197.          
     
198.   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;                                     //LED1
     
199.   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
     
200.   GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
     
201.   GPIO_Init(GPIOB, &GPIO_InitStructure);                                         
     
202. 
     
203.   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6|GPIO_Pin_3;                 //LED2, LED3
     
204.   GPIO_Init(GPIOD, &GPIO_InitStructure);
     
205. 
     
206.   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;                 //LCD 背光控制
     
207.   GPIO_Init(GPIOE, &GPIO_InitStructure);
     
208.   GPIO_ResetBits(GPIOE, GPIO_Pin_0);                           
     
209. 
     
210. 
     
211.   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;                 //USART1 TX
     
212.   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;    //复用推挽输出
     
213.   GPIO_Init(GPIOA, &GPIO_InitStructure);                    //A端口
     
214. 
     
215.   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;                 //USART1 RX
     
216.   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;   //复用开漏输入
     
217.   GPIO_Init(GPIOA, &GPIO_InitStructure);                         //A端口
     
218. 
     
219.   //GPIO_PinRemapConfig(AFIO_MAPR_USART1_REMAP, ENABLE);
     
220. }
     
221. 
     
222. /**
     
223.   * @brief  Configures the nested vectored interrupt controller.
     
224.   * @param  None
     
225.   * @retval : None
     
226.   */
     
227. void NVIC_Configuration(void)
     
228. {
     
229.   NVIC_InitTypeDef NVIC_InitStructure;
     
230. 
     
231.   /* Configure the NVIC Preemption Priority Bits */  
     
232.   NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
     
233.   
     
234.   /* Enable the USART1 Interrupt */
     
235.   NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
     
236.   NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
     
237.   NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
     
238.   NVIC_Init(&NVIC_InitStructure);
     
239. 
     
240.   
     
241. }
     
242. 
     
243. /**
     
244.   * @brief  Compares two buffers.
     
245.   * @param pBuffer1, pBuffer2: buffers to be compared.
     
246.   * @param BufferLength: buffer's length
     
247.   * @retval : PASSED: pBuffer1 identical to pBuffer2
     
248.   *   FAILED: pBuffer1 differs from pBuffer2
     
249.   */
     
250. TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength)
     
251. {
     
252.   while(BufferLength--)
     
253.   {
     
254.     if(*pBuffer1 != *pBuffer2)
     
255.     {
     
256.       return FAILED;
     
257.     }
     
258. 
     
259.     pBuffer1++;
     
260.     pBuffer2++;
     
261.   }
     
262. 
     
263.   return PASSED;
     
264. }
     
265. ……………………
     
266. 
     
267. …………限于本文篇幅 余下代码请从51黑下载附件…………
     

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