u_rc.c 5.7 KB

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  1. #include "u_global.h"
  2. #include "u_rc.h"
  3. #include "t_gpio.h"
  4. #include "t_timer.h"
  5. #include "system.h"
  6. #include "user_driver.h"
  7. uint8_t g_ir_code[4] = {0x00};
  8. uint8_t g_ir_recv_done_flag = 0x00;
  9. #if (NEC_ENABLE==1)
  10. //选择 nec接收的gpio, 开使能
  11. void nec_receive_enable(GPIO_NUM gpio)
  12. {
  13. GPIO_SetGpioMultFunction(gpio,GPCFG_PULLUP);
  14. HWRITE(mem_nec_gpio,gpio);
  15. HWRITE(mem_nec_receive_enable,1);
  16. }
  17. #define NEC_CMD 0x01
  18. #define NEC_REPEAT_CMD 0x02
  19. void Bt_NecCallBack(uint8_t len,uint8_t *dataPtr)
  20. {
  21. switch(*dataPtr)
  22. {
  23. case NEC_CMD:
  24. for(int i=0;i<len-1;i++)
  25. {
  26. g_ir_code[i]=ReverseByteBits(dataPtr[i+1]);
  27. g_ir_recv_done_flag=1;
  28. #ifdef DEBUG_DRV_APP
  29. MyPrintf("nec data[%d]=%x\r\n",i,dataPtr[i+1]);
  30. #endif
  31. }
  32. break;
  33. case NEC_REPEAT_CMD:
  34. #ifdef DEBUG_DRV_APP
  35. MyPrintf("\r\n*************NEC_REPEAT_CMD****************\r\n");
  36. #endif
  37. break;
  38. default:
  39. break;
  40. }
  41. }
  42. #endif
  43. void rc_init(void)
  44. {
  45. #if (NEC_ENABLE==1)
  46. nec_receive_enable(NEC_GPIO);
  47. #endif
  48. }
  49. uint8_t *rc_decode(void)
  50. {
  51. return (g_ir_code);
  52. }
  53. #if 0 //bk3431
  54. #include "t_icu.h"
  55. #include "driver_gpio.h"
  56. #include "bk3231s_reg.h"
  57. uint8_t g_ir_code[4] = {0x00};
  58. uint8_t g_ir_recv_done_flag = 0x00;
  59. typedef struct _rc_para
  60. {
  61. uint8_t shake_flag;
  62. uint8_t decode_cnt;
  63. uint8_t capture_flow;
  64. uint8_t sample_data[40];
  65. volatile uint16_t time_count;
  66. }RcPara_t;
  67. RcPara_t rc_para = {0x00};
  68. void rc_timer0_cb(void)
  69. {
  70. rc_para.time_count++;
  71. GPIO_output(0, 4, 0);
  72. GPIO_output(0, 4, 1);
  73. }
  74. void rc_timer1_cb(void)
  75. {
  76. rc_para.shake_flag = 0;
  77. }
  78. void rc_recv_clear(void)
  79. {
  80. //Timer_Stop(0);
  81. rc_para.capture_flow = RC_CAPTURE_IDLE;
  82. rc_para.decode_cnt = 0;
  83. rc_para.time_count = 0;
  84. GpioGenCfg(RC_GPIO_PORT >> 4, RC_GPIO_PORT & 0X0F, GPIO_MODE_GPIO, GPIO_IO_IN, GPIO_PULL_UP);
  85. GpioIntCfg(RC_GPIO_PORT >> 4, RC_GPIO_PORT & 0X0F, EN, GPIO_INTERRUPT_EDGE_DOWN); //中断触发,中断使能
  86. //memset(&rc_para, 0, sizeof(RcPara_t));
  87. }
  88. void u_gpio_int_handle(void)
  89. {
  90. if (rc_para.shake_flag == 0)
  91. {
  92. GPIO_output(0, 6, 1);
  93. GPIO_output(0, 6, 0);
  94. rc_para.shake_flag = 1;
  95. Timer_Start(1, 130);
  96. if(GpioGetIn(RC_GPIO_PORT >> 4, RC_GPIO_PORT & 0X0F))
  97. {
  98. switch (rc_para.capture_flow)
  99. {
  100. case RC_CAPTURE_START_LOW:
  101. {
  102. //rc_para.capture_flow = RC_CAPTURE_START_HIGH;
  103. //U_UART_PRINTF("H_%d\n", rc_para.time_count);
  104. if (rc_para.time_count >= 30 && rc_para.time_count <= 42)//36
  105. {
  106. GpioGenCfg(RC_GPIO_PORT >> 4, RC_GPIO_PORT & 0X0F, GPIO_MODE_GPIO, GPIO_IO_IN, GPIO_PULL_UP);
  107. GpioIntCfg(RC_GPIO_PORT >> 4, RC_GPIO_PORT & 0X0F, EN, GPIO_INTERRUPT_EDGE_DOWN); //中断触发,中断使能
  108. rc_para.time_count = 0;
  109. rc_para.capture_flow = RC_CAPTURE_START_HIGH;
  110. }
  111. else
  112. {
  113. rc_recv_clear();
  114. //U_UART_PRINTF("cr_4\n");
  115. }
  116. }
  117. break;
  118. }
  119. //U_UART_PRINTF("fw_%d\n", rc_para.capture_flow);
  120. }
  121. else //gpio_low
  122. //if(!GpioGetIn(RC_GPIO_PORT >> 4, RC_GPIO_PORT & 0X0F))
  123. {
  124. switch (rc_para.capture_flow)
  125. {
  126. case RC_CAPTURE_IDLE:
  127. {
  128. GpioGenCfg(RC_GPIO_PORT >> 4, RC_GPIO_PORT & 0X0F, GPIO_MODE_GPIO, GPIO_IO_IN, GPIO_PULL_UP);
  129. GpioIntCfg(RC_GPIO_PORT >> 4, RC_GPIO_PORT & 0X0F, EN, GPIO_INTERRUPT_EDGE_UP); //中断触发,中断使能
  130. rc_para.capture_flow = RC_CAPTURE_START_LOW;
  131. rc_para.time_count = 0;
  132. //U_UART_PRINTF("st\n");
  133. Timer_Start(0, 280);
  134. }
  135. break;
  136. case RC_CAPTURE_START_HIGH:
  137. {
  138. //U_UART_PRINTF("L_%d\n", rc_para.time_count);
  139. if (rc_para.time_count >= 13 && rc_para.time_count <= 23) //18
  140. {
  141. // GpioGenCfg(RC_GPIO_PORT >> 4, RC_GPIO_PORT & 0X0F, GPIO_MODE_GPIO, GPIO_IO_IN, GPIO_PULL_UP);
  142. // GpioIntCfg(RC_GPIO_PORT >> 4, RC_GPIO_PORT & 0X0F, EN, GPIO_INTERRUPT_EDGE_DOWN); //中断触发,中断使能
  143. rc_para.time_count = 0;
  144. rc_para.decode_cnt = 0;
  145. rc_para.capture_flow = RC_CAPTURE_STATE_CODE;
  146. }
  147. else
  148. {
  149. rc_recv_clear();
  150. //U_UART_PRINTF("cr_1\n");
  151. }
  152. }
  153. break;
  154. case RC_CAPTURE_STATE_CODE:
  155. {
  156. //U_UART_PRINTF("%d\n", rc_para.time_count);
  157. if (rc_para.time_count >= 2 && rc_para.time_count <= 11)
  158. {
  159. rc_para.sample_data[rc_para.decode_cnt] = rc_para.time_count; //12
  160. rc_para.decode_cnt++;
  161. rc_para.time_count = 0;
  162. if (rc_para.decode_cnt >= 32)
  163. {
  164. rc_recv_clear();
  165. //U_UART_PRINTF("cr_2\n");
  166. g_ir_recv_done_flag = 1;
  167. }
  168. }
  169. else
  170. {
  171. rc_recv_clear();
  172. //U_UART_PRINTF("cr_3\n");
  173. }
  174. }
  175. break;
  176. default:
  177. break;
  178. }
  179. }
  180. }
  181. }
  182. uint8_t *rc_decode(void)
  183. {
  184. uint8_t rc_code = 0, k = 0, i = 0;
  185. for(i = 0; i < 4; i++)
  186. {
  187. rc_code = 0;
  188. for (k = 0; k < 8; k++)
  189. {
  190. rc_code <<= 1;
  191. if (rc_para.sample_data[i * 8 + k] > RC_CODE_HIGH_PVT)
  192. {
  193. rc_code |= 0x01;
  194. }
  195. //U_UART_PRINTF(" %d", rc_para.sample_data[i * 8 + k]);
  196. g_ir_code[i] = rc_code;
  197. }
  198. //U_UART_PRINTF("\n");
  199. }
  200. U_UART_PRINTF("rc = %02X, %02X, %02X, %02X\n", g_ir_code[0], g_ir_code[1], g_ir_code[2], g_ir_code[3]);
  201. memset(rc_para.sample_data, 0, 40);
  202. return (g_ir_code);
  203. }
  204. void rc_init(void)
  205. {
  206. GPIO_config(0, 4, 1);
  207. GPIO_output(0, 4, 0);
  208. GPIO_config(0, 6, 1);
  209. GPIO_output(0, 6, 0);
  210. memset(&rc_para, 0, sizeof(RcPara_t));
  211. IcuPphCfg( ICU_PPH_GPIO,
  212. ICU_MCU_CLK_SRC_APH,
  213. ICU_CLK_SRC_FREQ_DPLL_96M,
  214. ICU_CLK_PRE_DIV_NONE,
  215. ICU_CLK_EN,
  216. EN,
  217. EN,
  218. DISEN);
  219. GpioGenCfg(RC_GPIO_PORT >> 4, RC_GPIO_PORT & 0X0F, GPIO_MODE_GPIO, GPIO_IO_IN, GPIO_PULL_UP);
  220. GpioIntCfg(RC_GPIO_PORT >> 4, RC_GPIO_PORT & 0X0F, EN, GPIO_INTERRUPT_EDGE_DOWN); //中断触发,中断使能
  221. REG_AHB0_FIQ_PRIORITY_EN |= INT_STATUS_GPIO;
  222. Timer_Start(0, 280);
  223. //GpioIntHandleCbCfg((GPIO_INT_HANDLE_CB_PFN)&ir_callback);
  224. }
  225. #endif