Diff: main.cpp

Revision:

1:397813654863

Parent:

0:8491d8911089

Child:

2:8fd249f35ceb

--- a/main.cpp	Mon Feb 08 18:35:32 2021 +0000
+++ b/main.cpp	Mon Feb 08 18:56:11 2021 +0000
@@ -15,33 +15,13 @@
 
 I2C i2c(P3_4, P3_5);
 
-const int addr = 0xAA;
-
-void scanI2C() {
-        printf("Searching for I2C devices...\n\r");
- 
-        int count = 0;
-        for (int address = 0; address < 255; address +=2) { // check only for device's read addres
-            if (!i2c.write(address, NULL, 0)) { // 0 returned is ok
-                printf("I2C device found at address 0x%02X (0x%02X in 8-bit)\n\r", address >> 1, address);  // the address is without LSB, which is R/W flag. shoft it right once
-                count++;
-            }
-            thread_sleep_for(1);
-        }
-        if (count)
-            printf("%d", count);
-        else
-            printf("No");
-        printf(" device%c found\n\r\n", count == 1?'\0':'s');
-}
+const int addr = 0x55;
 
 int main()
 {   
     i2c.frequency(400000);
     char cmd[4];
-    
-    scanI2C();
-    
+        
     // Initialise the digital pin LED1 as an output
     DigitalOut led(LED1);
     DigitalOut rst(RST_PIN);
@@ -54,6 +34,8 @@
     thread_sleep_for(10);
     rst = 1;
     thread_sleep_for(1500);
+    
+    scanI2C();
 
     while (true) {
         cmd[0] = 0x02;