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Initial commit
Dependencies: Chainable_RGB_LED EthernetInterface LED_Bar mbed-rtos mbed nsdl_lib
Diff: resources/LED_array.cpp
- Revision:
- 0:950566b0e099
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/resources/LED_array.cpp Thu Oct 30 21:44:12 2014 +0000 @@ -0,0 +1,115 @@ +// 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; +} \ No newline at end of file