Diff: resources/led.cpp

Revision:

0:e8d7be634e3c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resources/led.cpp	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,122 @@
+// Led resource implementation
+
+#include "mbed.h"
+#include "nsdl_support.h"
+#include "led.h"
+
+#define LED_RES_ID    "led"
+
+extern Serial pc;
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+PwmOut rled(p23);
+PwmOut gled(p24);
+PwmOut bled(p25);
+
+// Data from PUT request
+static char received_cmd[20];
+static char cmd[10];
+
+/* Only PUT method allowed */
+static uint8_t led_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;
+
+    memcpy(received_cmd, (char *)received_coap_ptr->payload_ptr, received_coap_ptr->payload_len);
+    received_cmd[received_coap_ptr->payload_len] = '\0';
+    sprintf(cmd, "%s", received_cmd);
+    
+    if (!strcmp(cmd, "reset")) {
+        led1 = 0;
+        led2 = 0;
+        led3 = 0;
+        led4 = 0;
+    }
+    
+    else if (!strcmp(cmd, "score")) {
+        
+        if(led4){
+            led1 = 0;
+            led2 = 0;
+            led3 = 0;
+            led4 = 0;
+        }
+        else if(led3){
+            led4 = 1;
+        }
+        else if(led2){
+            led3 = 1;
+        }
+        else if(led1){
+            led2 = 1;
+        }
+        else{
+            led1 = 1;
+        }
+        
+        rled.period(0.001);
+        for(float i = 0.0; i < 1.0 ; i += 0.01) {
+            float p = 3 * i;
+            rled = 1.0 - ((p < 1.0) ? 1.0 - p : (p > 2.0) ? p - 2.0 : 0.0);
+            gled = 1.0 - ((p < 1.0) ? p : (p > 2.0) ? 0.0 : 2.0 - p);
+            bled = 1.0 - ((p < 1.0) ? 0.0 : (p > 2.0) ? 3.0 - p : p - 1.0);  ;  
+            wait(0.005);
+        }
+    }
+    
+    else if (!strcmp(cmd, "paddle")) {
+        rled = 0;
+        gled = 0;
+        bled = 0;
+        wait(0.1);
+    }
+    
+    else if (!strcmp(cmd, "win")) {
+        led1 = 0;
+        led2 = 0;
+        led3 = 0;
+        led4 = 0;
+        wait(0.25);
+        led1 = 1;
+        led2 = 1;
+        led3 = 1;
+        led4 = 1;
+        wait(0.25);
+        led1 = 0;
+        led2 = 0;
+        led3 = 0;
+        led4 = 0;
+        wait(0.25);
+        led1 = 1;
+        led2 = 1;
+        led3 = 1;
+        led4 = 1;
+        wait(0.25);
+        led1 = 0;
+        led2 = 0;
+        led3 = 0;
+        led4 = 0;
+    }
+    
+    rled = 1;
+    gled = 1;
+    bled = 1;
+    
+    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);
+    memset(cmd, 0, 10);
+    return 0;
+}
+
+int create_led_resource(sn_nsdl_resource_info_s *resource_ptr)
+{
+    rled = 1;
+    gled = 1;
+    bled = 1;
+    nsdl_create_dynamic_resource(resource_ptr, sizeof(LED_RES_ID)-1, (uint8_t*)LED_RES_ID, 0, 0, 0, &led_resource_cb, SN_GRS_PUT_ALLOWED);
+    return 0;
+}
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