Initial commit
Dependencies: Chainable_RGB_LED EthernetInterface LED_Bar mbed-rtos mbed nsdl_lib
Diff: resources/LEDbar.cpp
- Revision:
- 0:950566b0e099
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/resources/LEDbar.cpp Thu Oct 30 21:44:12 2014 +0000 @@ -0,0 +1,91 @@ +// 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; +} \ No newline at end of file