myRadio_gpio.c 9.2 KB

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  1. #include "myRadio_gpio.h"
  2. void BOARD_SPI_NSS_H(void)
  3. {
  4. GPIO_WriteBit(BOARD_PORT_SPI_CSN, BOARD_PIN_SPI_CSN, BOARD_PIN_H);
  5. }
  6. void BOARD_SPI_NSS_L(void)
  7. {
  8. GPIO_WriteBit(BOARD_PORT_SPI_CSN, BOARD_PIN_SPI_CSN, BOARD_PIN_L);
  9. }
  10. void BOARD_SPI_SCK_H(void)
  11. {
  12. GPIO_WriteBit(BOARD_PORT_SPI_CLK, BOARD_PIN_SPI_CLK, BOARD_PIN_H);
  13. }
  14. void BOARD_SPI_SCK_L(void)
  15. {
  16. GPIO_WriteBit(BOARD_PORT_SPI_CLK, BOARD_PIN_SPI_CLK, BOARD_PIN_L);
  17. }
  18. void BOARD_SPI_MISO_H(void)
  19. {
  20. GPIO_WriteBit(BOARD_PORT_SPI_MISO, BOARD_PIN_SPI_MISO, BOARD_PIN_H);
  21. }
  22. void BOARD_SPI_MISO_L(void)
  23. {
  24. GPIO_WriteBit(BOARD_PORT_SPI_MISO, BOARD_PIN_SPI_MISO, BOARD_PIN_L);
  25. }
  26. void BOARD_SPI_MOSI_H(void)
  27. {
  28. GPIO_WriteBit(BOARD_PORT_SPI_MOSI, BOARD_PIN_SPI_MOSI, BOARD_PIN_H);
  29. }
  30. void BOARD_SPI_MOSI_L(void)
  31. {
  32. GPIO_WriteBit(BOARD_PORT_SPI_MOSI, BOARD_PIN_SPI_MOSI, BOARD_PIN_L);
  33. }
  34. void BOARD_GPIOA_H(void)
  35. {
  36. GPIO_WriteBit(BOARD_PORT_SPI_GPIOA, BOARD_PIN_SPI_GPIOA, BOARD_PIN_H);
  37. }
  38. void BOARD_GPIOA_L(void)
  39. {
  40. GPIO_WriteBit(BOARD_PORT_SPI_GPIOA, BOARD_PIN_SPI_GPIOA, BOARD_PIN_L);
  41. }
  42. void BOARD_GPIOB_H(void)
  43. {
  44. GPIO_WriteBit(BOARD_PORT_SPI_GPIOB, BOARD_PIN_SPI_GPIOB, BOARD_PIN_H);
  45. }
  46. void BOARD_GPIOB_L(void)
  47. {
  48. GPIO_WriteBit(BOARD_PORT_SPI_GPIOB, BOARD_PIN_SPI_GPIOB, BOARD_PIN_L);
  49. }
  50. void BOARD_GPIOC_H(void)
  51. {
  52. GPIO_WriteBit(BOARD_PORT_SPI_GPIOC, BOARD_PIN_SPI_GPIOC, BOARD_PIN_H);
  53. }
  54. void BOARD_GPIOC_L(void)
  55. {
  56. GPIO_WriteBit(BOARD_PORT_SPI_GPIOC, BOARD_PIN_SPI_GPIOC, BOARD_PIN_L);
  57. }
  58. void BOARD_GPIOD_H(void)
  59. {
  60. GPIO_WriteBit(BOARD_PORT_SPI_GPIOD, BOARD_PIN_SPI_GPIOD, BOARD_PIN_H);
  61. }
  62. void BOARD_GPIOD_L(void)
  63. {
  64. GPIO_WriteBit(BOARD_PORT_SPI_GPIOD, BOARD_PIN_SPI_GPIOD, BOARD_PIN_L);
  65. }
  66. void BOARD_GPIOE_H(void)
  67. {
  68. GPIO_WriteBit(BOARD_PORT_SPI_GPIOE, BOARD_PIN_SPI_GPIOE, BOARD_PIN_H);
  69. }
  70. void BOARD_GPIOE_L(void)
  71. {
  72. GPIO_WriteBit(BOARD_PORT_SPI_GPIOE, BOARD_PIN_SPI_GPIOE, BOARD_PIN_L);
  73. }
  74. void BOARD_GPIOF_H(void)
  75. {
  76. GPIO_WriteBit(BOARD_PORT_SPI_GPIOF, BOARD_PIN_SPI_GPIOF, BOARD_PIN_H);
  77. }
  78. void BOARD_GPIOF_L(void)
  79. {
  80. GPIO_WriteBit(BOARD_PORT_SPI_GPIOF, BOARD_PIN_SPI_GPIOF, BOARD_PIN_L);
  81. }
  82. void BOARD_GPIOG_H(void)
  83. {
  84. GPIO_WriteBit(BOARD_PORT_SPI_GPIOG, BOARD_PIN_SPI_GPIOG, BOARD_PIN_H);
  85. }
  86. void BOARD_GPIOG_L(void)
  87. {
  88. GPIO_WriteBit(BOARD_PORT_SPI_GPIOG, BOARD_PIN_SPI_GPIOG, BOARD_PIN_L);
  89. }
  90. void BOARD_GPIOH_H(void)
  91. {
  92. GPIO_WriteBit(BOARD_PORT_SPI_GPIOH, BOARD_PIN_SPI_GPIOH, BOARD_PIN_H);
  93. }
  94. void BOARD_GPIOH_L(void)
  95. {
  96. GPIO_WriteBit(BOARD_PORT_SPI_GPIOH, BOARD_PIN_SPI_GPIOH, BOARD_PIN_L);
  97. }
  98. uint8_t READ_BOARD_SPI_MISO(void)
  99. {
  100. return GPIO_ReadInputDataBit(BOARD_PORT_SPI_MISO, BOARD_PIN_SPI_MISO);
  101. }
  102. uint8_t READ_BOARD_GPIOA(void)
  103. {
  104. return GPIO_ReadInputDataBit(BOARD_PORT_SPI_GPIOA, BOARD_PIN_SPI_GPIOA);
  105. }
  106. uint8_t READ_BOARD_GPIOB(void)
  107. {
  108. return GPIO_ReadInputDataBit(BOARD_PORT_SPI_GPIOB, BOARD_PIN_SPI_GPIOB);
  109. }
  110. uint8_t READ_BOARD_GPIOC(void)
  111. {
  112. return GPIO_ReadInputDataBit(BOARD_PORT_SPI_GPIOC, BOARD_PIN_SPI_GPIOC);
  113. }
  114. uint8_t READ_BOARD_GPIOD(void)
  115. {
  116. return GPIO_ReadInputDataBit(BOARD_PORT_SPI_GPIOD, BOARD_PIN_SPI_GPIOD);
  117. }
  118. uint8_t READ_BOARD_GPIOE(void)
  119. {
  120. return GPIO_ReadInputDataBit(BOARD_PORT_SPI_GPIOE, BOARD_PIN_SPI_GPIOE);
  121. }
  122. uint8_t READ_BOARD_GPIOF(void)
  123. {
  124. return GPIO_ReadInputDataBit(BOARD_PORT_SPI_GPIOF, BOARD_PIN_SPI_GPIOF);
  125. }
  126. uint8_t READ_BOARD_GPIOG(void)
  127. {
  128. return GPIO_ReadInputDataBit(BOARD_PORT_SPI_GPIOG, BOARD_PIN_SPI_GPIOG);
  129. }
  130. uint8_t READ_BOARD_GPIOH(void)
  131. {
  132. return GPIO_ReadInputDataBit(BOARD_PORT_SPI_GPIOH, BOARD_PIN_SPI_GPIOH);
  133. }
  134. void myRadio_gpio_init(void)
  135. {
  136. GPIO_InitTypeDef GPIO_InitStructure;
  137. SPI_InitTypeDef SPI_InitStructure;
  138. #if defined(SPI_HARD)
  139. //----------SPI1时钟使能
  140. RCC_APB2PeriphClockCmd( RCC_APB2Periph_SPI1, ENABLE );
  141. GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_CLK | BOARD_PIN_SPI_MISO | BOARD_PIN_SPI_MOSI;
  142. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //复用推挽输出
  143. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  144. GPIO_Init(BOARD_PORT_SPI_CLK, &GPIO_InitStructure);
  145. GPIO_SetBits(BOARD_PORT_SPI_CLK, BOARD_PIN_SPI_CLK | BOARD_PIN_SPI_MISO | BOARD_PIN_SPI_MOSI);
  146. /*!< SPI configuration */
  147. SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
  148. SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
  149. SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
  150. SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
  151. SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
  152. SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
  153. SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_16;
  154. SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
  155. SPI_InitStructure.SPI_CRCPolynomial = 7;
  156. SPI_Init(SPI1, &SPI_InitStructure);
  157. /*!< Enable the SPI1 */
  158. SPI_Cmd(SPI1, ENABLE);
  159. #else
  160. GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_MOSI;
  161. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  162. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  163. GPIO_Init(BOARD_PORT_SPI_MOSI, &GPIO_InitStructure);
  164. GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_MISO;
  165. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  166. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  167. GPIO_Init(BOARD_PORT_SPI_MISO, &GPIO_InitStructure);
  168. GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_CLK;
  169. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  170. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  171. GPIO_Init(BOARD_PORT_SPI_CLK, &GPIO_InitStructure);
  172. #endif
  173. GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_CSN;
  174. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  175. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  176. GPIO_Init(BOARD_PORT_SPI_CSN, &GPIO_InitStructure);
  177. GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_GPIOA;
  178. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  179. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  180. GPIO_Init(BOARD_PORT_SPI_GPIOA, &GPIO_InitStructure);
  181. GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_GPIOB;
  182. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  183. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  184. GPIO_Init(BOARD_PORT_SPI_GPIOB, &GPIO_InitStructure);
  185. GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_GPIOC;
  186. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  187. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  188. GPIO_Init(BOARD_PORT_SPI_GPIOC, &GPIO_InitStructure);
  189. GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_GPIOD;
  190. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  191. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  192. GPIO_Init(BOARD_PORT_SPI_GPIOD, &GPIO_InitStructure);
  193. GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_GPIOE;
  194. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  195. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  196. GPIO_Init(BOARD_PORT_SPI_GPIOE, &GPIO_InitStructure);
  197. GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_GPIOF;
  198. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  199. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  200. GPIO_Init(BOARD_PORT_SPI_GPIOF, &GPIO_InitStructure);
  201. GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_GPIOG;
  202. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  203. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  204. GPIO_Init(BOARD_PORT_SPI_GPIOG, &GPIO_InitStructure);
  205. GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_GPIOH;
  206. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
  207. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  208. GPIO_Init(BOARD_PORT_SPI_GPIOH, &GPIO_InitStructure);
  209. BOARD_SPI_NSS_H();
  210. }
  211. uint8_t SpiReadWrite(uint8_t byteToWrite)
  212. {
  213. uint16_t i = 0;
  214. uint8_t temp = 0;
  215. __set_PRIMASK(1); //全局中断关闭
  216. #if defined(SPI_HARD)
  217. while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET) //检查指定的SPI标志位设置与否:发送缓存空标志位
  218. {
  219. i++;
  220. if(i > 2000)return 0;
  221. }
  222. SPI_I2S_SendData(SPI1, byteToWrite); //通过外设SPIx发送一个数据
  223. i=0;
  224. while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_RXNE) == RESET)//检查指定的SPI标志位设置与否:接受缓存非空标志位
  225. {
  226. i++;
  227. if(i > 2000)return 0;
  228. }
  229. /*!< Return the byte read from the SPI bus */
  230. temp = SPI_I2S_ReceiveData(SPI1);
  231. #else
  232. BOARD_SPI_SCK_L();
  233. for(i = 0; i < 8; i ++)
  234. {
  235. if(byteToWrite & 0x80)
  236. {
  237. //SpiSetMosiHigh();
  238. BOARD_SPI_MOSI_H();
  239. }
  240. else
  241. {
  242. //SpiSetMosiLow();
  243. BOARD_SPI_MOSI_L();
  244. }
  245. byteToWrite <<= 1;
  246. //SpiSetSckHigh();
  247. BOARD_SPI_SCK_H();
  248. temp <<= 1;
  249. if(READ_BOARD_SPI_MISO())
  250. {
  251. temp ++;
  252. }
  253. //SpiSetSckLow();
  254. BOARD_SPI_SCK_L();
  255. }
  256. #endif
  257. __set_PRIMASK(0); //全局中断打开
  258. return temp;
  259. }
  260. void SpiWriteData(uint8_t byteCount, uint8_t* pData)
  261. {
  262. uint8_t i;
  263. for(i = 0; i < byteCount; i++)
  264. {
  265. SpiReadWrite(*pData);
  266. pData ++;
  267. }
  268. }
  269. void SpiReadData(uint8_t byteCount, uint8_t* pData)
  270. {
  271. uint8_t i;
  272. for(i = 0; i < byteCount; i++)
  273. {
  274. *pData = SpiReadWrite(0xFF);
  275. pData ++;
  276. }
  277. }