light.cpp

00001 // Light resource implementation
00002 
00003 #include "mbed.h"
00004 #include "nsdl_support.h"
00005 #include "light.h"
00006 
00007 //#define LIGHT_RES_ID    "311/0/5851"
00008 #define LIGHT_FLASH_ID  "311/0/5850"
00009 
00010 extern Serial pc;
00011 static PwmOut led2(LED2);
00012 static PwmOut led3(LED3);
00013 
00014 static DigitalOut out1(p22);
00015 static Ticker flash;
00016 static Timeout reset;
00017 
00018 #include "Beep.h"
00019 static Beep buzzer(p26);
00020 Ticker beep_tick;
00021 static void beepHanlder(void);
00022 
00023 static void beepHandler(void)
00024 {
00025     buzzer.beep(1000, 0.3f);
00026 }
00027 
00028 
00029 static void flashHandler(void)
00030 {
00031     out1 = 0;
00032     wait(0.1f);
00033     out1 = 1;
00034 }
00035 
00036 ///* Only GET and PUT method allowed */
00037 //static uint8_t light_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto)
00038 //{
00039 //    sn_coap_hdr_s *coap_res_ptr = 0;
00040 //    static float led_dimm = 0;
00041 //    int led_state = 0;
00042 //    char led_dimm_temp[4];
00043 //
00044 //    pc.printf("light dimmer callback\r\n");
00045 //
00046 //    if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_GET) {
00047 //        coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CONTENT);
00048 //
00049 //        led_state = led_dimm * 100;
00050 //        sprintf(led_dimm_temp, "%d", led_state);
00051 //
00052 //        coap_res_ptr->payload_len = strlen(led_dimm_temp);
00053 //        coap_res_ptr->payload_ptr = (uint8_t*)led_dimm_temp;
00054 //        sn_nsdl_send_coap_message(address, coap_res_ptr);
00055 //    } else if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_PUT) {
00056 //        memcpy(led_dimm_temp, (char *)received_coap_ptr->payload_ptr, received_coap_ptr->payload_len);
00057 //
00058 //        led_dimm_temp[received_coap_ptr->payload_len] = '\0';
00059 //
00060 //        led_dimm = atof(led_dimm_temp);
00061 //        led_dimm = led_dimm/100;
00062 //
00063 //        led2.write(led_dimm);
00064 //        led3.write(led_dimm);
00065 //
00066 //        coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CHANGED);
00067 //        sn_nsdl_send_coap_message(address, coap_res_ptr);
00068 //    }
00069 //
00070 //    sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
00071 //    return 0;
00072 //}
00073 
00074 
00075 /* Only GET and PUT method allowed */
00076 static uint8_t light_flash_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto)
00077 {
00078     sn_coap_hdr_s *coap_res_ptr = 0;
00079     static uint8_t flash_state = '0';
00080 
00081     pc.printf("flash callback\r\n");
00082 
00083     if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_GET)
00084     {
00085         coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CONTENT);
00086 
00087         coap_res_ptr->payload_len = 1;
00088         coap_res_ptr->payload_ptr = &flash_state;
00089         sn_nsdl_send_coap_message(address, coap_res_ptr);
00090     }
00091     else if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_PUT)
00092     {
00093         if(received_coap_ptr->payload_len)
00094         {
00095             if(*(received_coap_ptr->payload_ptr) == '1')
00096             {
00097                 flash.attach(&flashHandler, 10.0f);
00098                 beep_tick.attach(&beepHandler, 0.6f);
00099                 flash_state = '1';
00100                 out1 = 1;
00101             }
00102             else if(*(received_coap_ptr->payload_ptr) == '0')
00103             {
00104                 out1 = 0;
00105                 buzzer.nobeep();
00106                 flash.detach();
00107                 reset.detach();
00108                 beep_tick.detach();
00109                 flash_state = '0';
00110             }
00111             coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CHANGED);
00112             sn_nsdl_send_coap_message(address, coap_res_ptr);
00113         }
00114     }
00115 
00116     sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
00117 
00118     return 0;
00119 }
00120 
00121 int create_light_resource(sn_nsdl_resource_info_s *resource_ptr)
00122 {
00123     //nsdl_create_dynamic_resource(resource_ptr, sizeof(LIGHT_RES_ID)-1, (uint8_t*)LIGHT_RES_ID, 0, 0, 0, &light_resource_cb, (SN_GRS_GET_ALLOWED | SN_GRS_PUT_ALLOWED));
00124     nsdl_create_dynamic_resource(resource_ptr, sizeof(LIGHT_FLASH_ID)-1, (uint8_t*)LIGHT_FLASH_ID, 0, 0, 0, &light_flash_resource_cb, (SN_GRS_GET_ALLOWED | SN_GRS_PUT_ALLOWED));
00125     return 0;
00126 }