Jan Jongboom / Mbed 2 deprecated ESP8266_HTTP_HelloWorld

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Dependencies:   ESP8266Interface HTTPClient-SSL WebSocketClient mbed-rtos mbed

Fork of ESP8266_HTTP_HelloWorld by ESP8266

resources/light.cpp@0:6a891da014a3, 2014-12-24 (annotated)

Committer:
michaeljkoster
Date:
Wed Dec 24 19:02:13 2014 +0000
Revision:
0:6a891da014a3
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
michaeljkoster 0:6a891da014a3 1 // Light resource implementation
michaeljkoster 0:6a891da014a3 2
michaeljkoster 0:6a891da014a3 3 #include "mbed.h"
michaeljkoster 0:6a891da014a3 4 #include "nsdl_support.h"
michaeljkoster 0:6a891da014a3 5 #include "light.h"
michaeljkoster 0:6a891da014a3 6
michaeljkoster 0:6a891da014a3 7 #include "PololuLedStrip.h"
michaeljkoster 0:6a891da014a3 8 PololuLedStrip ledStrip(D2);
michaeljkoster 0:6a891da014a3 9 //#define LED_COUNT 60
michaeljkoster 0:6a891da014a3 10 #define LED_COUNT 120
michaeljkoster 0:6a891da014a3 11 rgb_color colors[LED_COUNT];
michaeljkoster 0:6a891da014a3 12
michaeljkoster 0:6a891da014a3 13 #define LIGHT_RES_ID "11100/0/5900"
michaeljkoster 0:6a891da014a3 14
michaeljkoster 0:6a891da014a3 15 extern Serial pc;
michaeljkoster 0:6a891da014a3 16 char led_color[] = {"00000000"};
michaeljkoster 0:6a891da014a3 17
michaeljkoster 0:6a891da014a3 18 void set_led_color(char *color_string)
michaeljkoster 0:6a891da014a3 19 {
michaeljkoster 0:6a891da014a3 20 static uint8_t red, green, blue, index ;
michaeljkoster 0:6a891da014a3 21 int color_int ;
michaeljkoster 0:6a891da014a3 22
michaeljkoster 0:6a891da014a3 23 sscanf(color_string, "%X", &color_int);
michaeljkoster 0:6a891da014a3 24
michaeljkoster 0:6a891da014a3 25 index = color_int & 255;
michaeljkoster 0:6a891da014a3 26 blue = color_int >> 8 & 255;
michaeljkoster 0:6a891da014a3 27 green = color_int >> 16 & 255;
michaeljkoster 0:6a891da014a3 28 red = color_int >> 24 & 255;
michaeljkoster 0:6a891da014a3 29
michaeljkoster 0:6a891da014a3 30 if(index > 0 and index <= LED_COUNT)
michaeljkoster 0:6a891da014a3 31 {
michaeljkoster 0:6a891da014a3 32 colors[index-1] = (rgb_color) {red,green,blue} ;
michaeljkoster 0:6a891da014a3 33 ledStrip.write(colors, LED_COUNT);
michaeljkoster 0:6a891da014a3 34 }
michaeljkoster 0:6a891da014a3 35 else if(index == 0)
michaeljkoster 0:6a891da014a3 36 {
michaeljkoster 0:6a891da014a3 37 for(int i = 0; i < LED_COUNT; i++)
michaeljkoster 0:6a891da014a3 38 {
michaeljkoster 0:6a891da014a3 39 colors[i] = (rgb_color) {red,green,blue} ;
michaeljkoster 0:6a891da014a3 40 ledStrip.write(colors, LED_COUNT);
michaeljkoster 0:6a891da014a3 41 wait_ms(10);
michaeljkoster 0:6a891da014a3 42 }
michaeljkoster 0:6a891da014a3 43 }
michaeljkoster 0:6a891da014a3 44 else if(index == 255)
michaeljkoster 0:6a891da014a3 45 {
michaeljkoster 0:6a891da014a3 46 for( int i = LED_COUNT-1; i > 0; i-- )
michaeljkoster 0:6a891da014a3 47 {
michaeljkoster 0:6a891da014a3 48 colors[i] = colors [i-1];
michaeljkoster 0:6a891da014a3 49 }
michaeljkoster 0:6a891da014a3 50 colors[0] = (rgb_color) {red,green,blue} ;
michaeljkoster 0:6a891da014a3 51 ledStrip.write(colors, LED_COUNT);
michaeljkoster 0:6a891da014a3 52 }
michaeljkoster 0:6a891da014a3 53 }
michaeljkoster 0:6a891da014a3 54
michaeljkoster 0:6a891da014a3 55 /* Only GET and PUT method allowed */
michaeljkoster 0:6a891da014a3 56 static uint8_t light_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto)
michaeljkoster 0:6a891da014a3 57 {
michaeljkoster 0:6a891da014a3 58 sn_coap_hdr_s *coap_res_ptr = 0;
michaeljkoster 0:6a891da014a3 59
michaeljkoster 0:6a891da014a3 60 //pc.printf("LED Strip callback\r\n");
michaeljkoster 0:6a891da014a3 61
michaeljkoster 0:6a891da014a3 62 if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_GET)
michaeljkoster 0:6a891da014a3 63 {
michaeljkoster 0:6a891da014a3 64 coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CONTENT);
michaeljkoster 0:6a891da014a3 65
michaeljkoster 0:6a891da014a3 66 coap_res_ptr->payload_len = strlen(led_color);
michaeljkoster 0:6a891da014a3 67 coap_res_ptr->payload_ptr = (uint8_t*)led_color;
michaeljkoster 0:6a891da014a3 68 sn_nsdl_send_coap_message(address, coap_res_ptr);
michaeljkoster 0:6a891da014a3 69 }
michaeljkoster 0:6a891da014a3 70 else if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_PUT)
michaeljkoster 0:6a891da014a3 71 {
michaeljkoster 0:6a891da014a3 72 //pc.printf("PUT: %d bytes\r\n", received_coap_ptr->payload_len);
michaeljkoster 0:6a891da014a3 73 if(received_coap_ptr->payload_len == 8)
michaeljkoster 0:6a891da014a3 74 {
michaeljkoster 0:6a891da014a3 75 memcpy(led_color, (char *)received_coap_ptr->payload_ptr, received_coap_ptr->payload_len);
michaeljkoster 0:6a891da014a3 76
michaeljkoster 0:6a891da014a3 77 led_color[received_coap_ptr->payload_len] = '\0';
michaeljkoster 0:6a891da014a3 78 pc.printf("PUT: %s\r\n",led_color);
michaeljkoster 0:6a891da014a3 79
michaeljkoster 0:6a891da014a3 80 //call LED strup update function here
michaeljkoster 0:6a891da014a3 81 set_led_color(led_color);
michaeljkoster 0:6a891da014a3 82
michaeljkoster 0:6a891da014a3 83 coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CHANGED);
michaeljkoster 0:6a891da014a3 84 sn_nsdl_send_coap_message(address, coap_res_ptr);
michaeljkoster 0:6a891da014a3 85 }
michaeljkoster 0:6a891da014a3 86 }
michaeljkoster 0:6a891da014a3 87
michaeljkoster 0:6a891da014a3 88 sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
michaeljkoster 0:6a891da014a3 89 return 0;
michaeljkoster 0:6a891da014a3 90 }
michaeljkoster 0:6a891da014a3 91
michaeljkoster 0:6a891da014a3 92 int create_light_resource(sn_nsdl_resource_info_s *resource_ptr)
michaeljkoster 0:6a891da014a3 93 {
michaeljkoster 0:6a891da014a3 94 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));
michaeljkoster 0:6a891da014a3 95
michaeljkoster 0:6a891da014a3 96 set_led_color("10000000");
michaeljkoster 0:6a891da014a3 97 set_led_color("00100000");
michaeljkoster 0:6a891da014a3 98 set_led_color("00001000");
michaeljkoster 0:6a891da014a3 99 set_led_color("00000000");
michaeljkoster 0:6a891da014a3 100
michaeljkoster 0:6a891da014a3 101 return 0;
michaeljkoster 0:6a891da014a3 102 }