lcd.cpp

00001 // Lcd resource implementation
00002 
00003 #include "mbed.h"
00004 #include "nsdl_support.h"
00005 #include "C12832_lcd.h"
00006 #include "lcd.h"
00007 
00008 #define LCD_RES_ID    "lcd"
00009 
00010 extern Serial pc;
00011 static C12832_LCD lcd;
00012 // Data from PUT request
00013 static char received_cmd[20];
00014 static char player_in_selection[5];
00015 
00016 /* Only PUT method allowed */
00017 static uint8_t lcd_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto)
00018 {
00019     sn_coap_hdr_s *coap_res_ptr = 0;
00020 
00021     memcpy(received_cmd, (char *)received_coap_ptr->payload_ptr, received_coap_ptr->payload_len);
00022     received_cmd[received_coap_ptr->payload_len] = '\0';
00023     sprintf(player_in_selection, "%s", received_cmd);
00024     
00025     lcd.cls();
00026     lcd.locate(0,0);
00027     
00028     if (!strcmp(player_in_selection, "1")) {
00029         lcd.printf("You are player 1\nYour paddle is on the left\nGood luck and have fun!");
00030     }
00031     else if (!strcmp(player_in_selection, "2")) {
00032         lcd.printf("You are player 2\nYour paddle is on the right\nGood luck and have fun!");
00033     }
00034     else if(!strcmp(player_in_selection, "info")) {
00035         lcd.printf("You have been registered\nPress joystick to start!");
00036     }
00037     
00038     coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CHANGED);
00039     sn_nsdl_send_coap_message(address, coap_res_ptr);
00040     sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
00041     return 0;
00042 }
00043 
00044 int create_lcd_resource(sn_nsdl_resource_info_s *resource_ptr)
00045 {
00046     nsdl_create_dynamic_resource(resource_ptr, sizeof(LCD_RES_ID)-1, (uint8_t*)LCD_RES_ID, 0, 0, 0, &lcd_resource_cb, SN_GRS_PUT_ALLOWED);
00047     return 0;
00048 }