Diff: main.cpp

Revision:

43:c179810e1a75

Parent:

32:0b58d21e87d6

Child:

44:3b8a8dba7998

--- a/main.cpp	Thu Jun 22 09:00:02 2017 +0100
+++ b/main.cpp	Mon May 27 07:14:08 2019 +0000
@@ -1,12 +1,79 @@
 #include "mbed.h"
 
+
+
+#define TYPE_MEASEUREMENT 0xA
+
+
+#define ST_TX D1
+#define ST_RX D0
+#define RTS D15
+
+
+
 DigitalOut led1(LED1);
+Serial pc(USBTX, USBRX, NULL, 115200); // tx, rx
+DigitalIn pin_rts(RTS);
+DigitalIn button(USER_BUTTON);
+Serial st_uart(ST_TX, ST_RX, NULL, 115200); // tx, rx
 
-// main() runs in its own thread in the OS
+ 
+
+uint8_t test_vector[10000];
+
+
+void uart_busy_check(void)
+{
+    while (pin_rts == 0)
+    {
+        // do nothing
+        led1=0;
+    } 
+}
+ 
+ 
+void write_sample(uint16_t sample) 
+{
+   led1=1;
+   
+   uint8_t byte_little = ((uint8_t *)&sample)[0];
+   uint8_t byte_big = ((uint8_t *)&sample)[1];
+ 
+   st_uart.putc(byte_little);
+   st_uart.putc(byte_big);
+     
+   uart_busy_check();
+}
+ 
 int main() {
-    while (true) {
-        led1 = !led1;
-        wait(0.5);
+ 
+    led1=1;
+    pc.printf("About to simulate data over the second uart D1 (Tx), D0 (Rx) - **Press button**... \n\r");
+    
+    while (!button)
+    {
+        
+    }
+    
+    pc.printf("Button pressed! Starting...");
+    
+    while(1)
+    {
+    
+      /* simulate data */
+      for (uint16_t i=9; i>=0; i--)
+      {
+        st_uart.putc(TYPE_MEASEUREMENT);
+        st_uart.putc(0x00); /* CRC */
+        st_uart.putc(i);  /* INDEX  (decrementing) */
+        st_uart.putc(5000);  /* SIZE OF SAMPLES 5000 == 10000 bytes */
+        
+        for (int i=0; i<5000; i++)
+        {     
+           write_sample(i);
+        }
+        
+      }
+      
     }
 }
-