![](/media/cache/group/arm_mbed.PNG.50x50_q85.png)
Project with example IPSO resources for LED bar, Gas Sensor, and Light Sensor
Dependencies: EthernetInterface LED_Bar mbed-rtos mbed nsdl_lib
resources/LEDbar.cpp
- Committer:
- michaeljkoster
- Date:
- 2014-10-25
- Revision:
- 7:3f52b52ef2ad
- Parent:
- 3:af599897e26f
File content as of revision 7:3f52b52ef2ad:
// Light resource implementation #include "mbed.h" #include "nsdl_support.h" #include "LEDbar.h" #include "LED_Bar.h" #define LEDBAR_RES_ID "11101/0/5901" #define LEDBAR_RES_RT "urn:X-mbed:LEDbar" extern Serial pc; char leds[] = {"0000000000"}; //GGGGGGGGYR LED_Bar bar(D7, D6); uint8_t ledbar_max_age = 0; uint8_t ledbar_content_type = 0; void set_leds(char *leds) { int i; for (i=0; i<=9; i++) { if(leds[i] == '1') bar.setSingleLed((9-i),1); else if(leds[i] == '0') bar.setSingleLed((9-i),0); } } /* Only GET and PUT method allowed */ static uint8_t LEDbar_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto) { sn_coap_hdr_s *coap_res_ptr = 0; //pc.printf("LED Strip callback\r\n"); if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_GET) { coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CONTENT); coap_res_ptr->payload_len = strlen(leds); coap_res_ptr->payload_ptr = (uint8_t*)leds; coap_res_ptr->content_type_ptr = &ledbar_content_type; coap_res_ptr->content_type_len = sizeof(ledbar_content_type); coap_res_ptr->options_list_ptr = (sn_coap_options_list_s*)nsdl_alloc(sizeof(sn_coap_options_list_s)); if(!coap_res_ptr->options_list_ptr) { pc.printf("cant alloc option list for max-age\r\n"); coap_res_ptr->options_list_ptr = NULL; //FIXME report error and recover } memset(coap_res_ptr->options_list_ptr, 0, sizeof(sn_coap_options_list_s)); coap_res_ptr->options_list_ptr->max_age_ptr = &ledbar_max_age; coap_res_ptr->options_list_ptr->max_age_len = sizeof(ledbar_max_age); sn_nsdl_send_coap_message(address, coap_res_ptr); nsdl_free(coap_res_ptr->options_list_ptr); coap_res_ptr->options_list_ptr = NULL; coap_res_ptr->content_type_ptr = NULL;// parser_release below tries to free this memory } else if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_PUT) { //pc.printf("PUT: %d bytes\r\n", received_coap_ptr->payload_len); if(received_coap_ptr->payload_len == 10) { memcpy(leds, (char *)received_coap_ptr->payload_ptr, received_coap_ptr->payload_len); leds[received_coap_ptr->payload_len] = '\0'; pc.printf("PUT: %s\r\n",leds); //call LED strup update function here set_leds(leds); coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CHANGED); sn_nsdl_send_coap_message(address, coap_res_ptr); } } sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr); return 0; } int create_LEDbar_resource(sn_nsdl_resource_info_s *resource_ptr) { nsdl_create_dynamic_resource(resource_ptr, sizeof(LEDBAR_RES_ID)-1, (uint8_t*)LEDBAR_RES_ID, sizeof(LEDBAR_RES_RT)-1, (uint8_t*)LEDBAR_RES_RT, 0, &LEDbar_resource_cb, (SN_GRS_GET_ALLOWED | SN_GRS_PUT_ALLOWED)); set_leds("0000000000"); return 0; }