Jurica Resetar / Mbed OS Lanc_ble_controller_peripheral

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Fork of mbed-os-example-ble-LED by mbed-os-examples

Files at this revision

API Documentation at this revision

Revision 20:f9f18052df0c, committed 2017-03-08

Comitter:
jurica238814
Date:
Wed Mar 08 13:51:28 2017 +0000
Parent:
19:41b1396c50d2
Child:
21:837783a9ea32
Commit message:
Before UART.

Changed in this revision

source/main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/source/main.cpp	Thu Feb 23 13:07:54 2017 +0000
+++ b/source/main.cpp	Wed Mar 08 13:51:28 2017 +0000
@@ -30,12 +30,12 @@
 #define LANC_PIN            (p3)   // Lanc bus pin (to scan for START/STOP bits)
 
 
-#define LANC_BIT_DURATION   (104)   // One LANC bit duration in ms
-#define LANC_MIN_DELAY      (5000)
-#define NUMBER_OF_REPETITIONS (1)
+#define LANC_BIT_DURATION   (92)   // One LANC bit duration in ms
+#define LANC_MIN_DELAY      (5)
+#define NUMBER_OF_REPETITIONS (4)
 
-#define REC_CMD_1           (0x18)
-#define REC_CMD_2           (0x33)
+#define REC_CMD_1           (0xAA)
+#define REC_CMD_2           (0xAA)
 #define ZOOM_IN_CMD_4_1     (0x28)
 #define ZOOM_IN_CMD_4_2     (0x08)
 #define ZOOM_OUT_CMD_4_1    (0x28)
@@ -177,36 +177,37 @@
         
     
     while(command_counter < NUMBER_OF_REPETITIONS){
-        //Arduino's PulseIn function (inline implemetation)
-        while (lanc_pin == 0);      // Waiting for HIGH
-        timer.start();
-        while(lanc_pin == 1);        // Waiting for LOW 
-        timer.stop();
-        if(timer.read_ms()>LANC_MIN_DELAY){
-            break;
+        while(1){
+            //Arduino's PulseIn function (inline implemetation)
+            while (lanc_pin == 0);      // Waiting for HIGH
+            timer.start();
+            while(lanc_pin == 1);        // Waiting for LOW 
+            timer.stop();
+            if(timer.read_us()>LANC_MIN_DELAY){
+                break;
+            }
         }
-    }
     
     // Program is out of the while loop -> bus is LOW -> START bit of BYTE_0 is here
     
     // Write Byte 0 to the bus
     for(int i=0; i<8; i++){
         command_pin = (command_1 & (1<<i));
-        wait_ms(LANC_BIT_DURATION);
+        wait_us(LANC_BIT_DURATION);
     }
     // Put LANC bus back to HIGH
     command_pin = 0;
     // Make sure to be in the stop bit before the Byte 1
-    wait_ms(10); 
+    wait_us(5); 
     
     // Look while lanc bus is HIGH for STOP bit
     while(lanc_pin == 1);
     
-    wait_ms(LANC_BIT_DURATION);
+    //wait_us(LANC_BIT_DURATION);
     //Write Byte 1 to the bus
     for(int i=0; i<8; i++){
         command_pin = (command_2 & (1<<i));
-        wait_ms(LANC_BIT_DURATION);
+        wait_us(LANC_BIT_DURATION);
     }
     // Put LANC bus back to HIGH
     command_pin = 0;
@@ -217,6 +218,7 @@
      *  Bytes 2-7 and just waits for next start bit after a long pause to send 
      *  command again
      */  
+    }
 }