Diff: resources/firmware.cpp

Revision:

21:978281bfb26e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resources/firmware.cpp	Tue Oct 27 07:11:46 2015 +0000
@@ -0,0 +1,99 @@
+// Light resource implementation
+
+#include "mbed.h"
+#include "nsdl_support.h"
+#include "EthernetInterface.h"
+#include "firmware.h"
+#include "firmware_status.h"
+#include "firmware_result.h"
+#include "HTTPClient.h"
+#include "C12832_lcd.h"
+
+#define FIRMWARE_WRITE_RES_ID    "5/0/1"
+//5/0/1 should be used instead
+
+static C12832_LCD lcd;
+extern Serial pc;
+extern "C" void mbed_reset();
+
+LocalFileSystem local("local");
+HTTPClient client;
+
+char *remove_ext(char *dst, const char *filename) {
+    size_t len = strlen(filename);
+    memcpy(dst, filename, len-3);
+    dst[len - 3] = 0;
+    return dst;
+}
+
+/* Only PUT method allowed */
+static uint8_t firmware_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("Firmware updating\r\n");
+    lcd.locate(0,0);
+    lcd.printf("Firmware Upgrade...\n");
+
+    if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_PUT)
+    {
+        setResult(0);
+        pc.printf("Firmware URL length: %d\r\n",received_coap_ptr->payload_len);
+        char firmware_url[200];
+        memcpy(firmware_url, (char *)received_coap_ptr->payload_ptr, received_coap_ptr->payload_len);
+        firmware_url[received_coap_ptr->payload_len]='\0';
+
+        pc.printf("Firmware URL: %s\r\n",firmware_url);
+        lcd.locate(0,11);
+        lcd.printf("Downloading new Firmware...\n");
+        
+        HTTPFile file("/local/out.b__");
+        pc.printf("INFO: Getting from URL '%s' to '%s'.\r\n", firmware_url, "/local/out.b__");
+
+        coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CHANGED);
+        sn_nsdl_send_coap_message(address, coap_res_ptr);
+
+        int r = client.get(firmware_url, &file);
+        if (r != HTTP_OK) {
+            if (r == HTTP_PARSE)
+                pc.printf("ERR Parse URL: Fetch '%s' to '%s'.\r\n", firmware_url, "/local/out.b__");
+            else if (r == HTTP_DNS)
+                pc.printf("ERR DNS: Fetch '%s' to '%s'.\r\n", firmware_url, "/local/out.b__");
+            else if (r == HTTP_NOTFOUND)
+                pc.printf("ERR 404 Not Found: Fetch '%s' to '%s'.\r\n", firmware_url, "/local/out.b__");
+            else if (r == HTTP_REFUSED)
+                pc.printf("ERR 403 Refused: Fetch '%s' to '%s'.\r\n", firmware_url, "/local/out.b__");
+            else if (r == HTTP_ERROR)
+                pc.printf("ERR Other HTTP Error: Fetch '%s' to '%s'.\r\n", firmware_url, "/local/out.b__");
+            else if (r == HTTP_TIMEOUT)
+                pc.printf("ERR Timeout: Fetch '%s' to '%s'.\r\n", firmware_url, "/local/out.b__");
+            else if (r == HTTP_CONN)
+                pc.printf("ERR Connection: Fetch '%s' to '%s'.\r\n", firmware_url, "/local/out.b__");
+            else if (r == HTTP_CLOSED)
+                pc.printf("ERR Connection Closed: Fetch '%s' to '%s'.\r\n", firmware_url, "/local/out.b__");
+            else
+                pc.printf("ERR Other Error %d: Fetch '%s' to '%s'.\r\n", r, firmware_url, "/local/out.b__");
+            pc.printf("ERR : Cleaning temp file.\r\n");
+            remove("/local/out.b__");
+            setResult(2);
+ //           send_firmware_result_observation(2);
+            lcd.locate(0,22);
+            lcd.printf("Failed...\n");
+            return 0;
+        }
+        pc.printf("INFO: Fetched '%s' to '%s'.\r\n", firmware_url, "/local/out.b__");
+ 
+        send_firmware_result_observation(1);
+        lcd.locate(0,22);
+        lcd.printf("Success...\n");
+    }
+
+    sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
+    return 0;
+}
+
+int create_firmware_resource(sn_nsdl_resource_info_s *resource_ptr)
+{
+    nsdl_create_dynamic_resource(resource_ptr, sizeof(FIRMWARE_WRITE_RES_ID)-1, (uint8_t*)FIRMWARE_WRITE_RES_ID, 0, 0, 0, &firmware_resource_cb, SN_GRS_PUT_ALLOWED);
+    return 0;
+}
+