![](/media/cache/group/arm_mbed.PNG.50x50_q85.png)
Initial commit
Dependencies: Chainable_RGB_LED EthernetInterface LED_Bar mbed-rtos mbed nsdl_lib
Fork of SensorNotifyLED by
resources/LED_array.cpp
- Committer:
- michaeljkoster
- Date:
- 2014-10-30
- Revision:
- 0:950566b0e099
File content as of revision 0:950566b0e099:
// Light resource implementation #include "mbed.h" #include "nsdl_support.h" #include "ChainableLED.h" #include "LED_array.h" #define LED_ARRAY_RES_ID "11100/0/5900" #define LED_ARRAY_RES_RT "urn:X-mbed:LEDarray" extern Serial pc; char led_value[] = {"0000000"}; //RRGGBBII #define LED_COUNT 1 ChainableLED led_chain(P0_0, P0_1, LED_COUNT); uint8_t LED_array_max_age = 0; uint8_t LED_array_content_type = 0; void set_led_array(char *color_string) { static uint8_t red, green, blue, index; int color_int; sscanf(color_string, "%X", &color_int); index = color_int & 255; blue = color_int >> 8 & 255; green = color_int >> 16 & 255; red = color_int >> 24 & 255; if(index > 0 and index <= LED_COUNT) { led_chain.setColorRGB(index-1, red, green, blue); } else if(index == 0) { for(int i = 0; i < LED_COUNT; i++) { led_chain.setColorRGB(i, red, green, blue); } } } /* Only GET and PUT method allowed */ static uint8_t LED_array_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 array 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(led_value); coap_res_ptr->payload_ptr = (uint8_t*)led_value; coap_res_ptr->content_type_ptr = &LED_array_content_type; coap_res_ptr->content_type_len = sizeof(LED_array_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 = &LED_array_max_age; coap_res_ptr->options_list_ptr->max_age_len = sizeof(LED_array_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 == 8) { memcpy(led_value, (char *)received_coap_ptr->payload_ptr, received_coap_ptr->payload_len); led_value[received_coap_ptr->payload_len] = '\0'; pc.printf("PUT: %s\r\n",led_value); //call LED array update function here set_led_array(led_value); 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_LED_array_resource(sn_nsdl_resource_info_s *resource_ptr) { nsdl_create_dynamic_resource(resource_ptr, sizeof(LED_ARRAY_RES_ID)-1, (uint8_t*)LED_ARRAY_RES_ID, sizeof(LED_ARRAY_RES_RT)-1, (uint8_t*)LED_ARRAY_RES_RT, 0, &LED_array_resource_cb, (SN_GRS_GET_ALLOWED | SN_GRS_PUT_ALLOWED)); set_led_array("FF000000"); wait(0.5); set_led_array("00FF0000"); wait(0.5); set_led_array("0000FF00"); wait(0.5); set_led_array("00000000"); return 0; }