Diff: PeripheralLayer/AirAdaptorLib.cpp

Revision:

0:3dac4f477e98

Child:

2:0ee90da44162

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PeripheralLayer/AirAdaptorLib.cpp	Wed Jul 08 17:50:18 2015 +0000
@@ -0,0 +1,162 @@
+#include "SysConfig.h"
+
+//On-board LED number
+const int LED_NUM_MAX = 3;
+
+//I2C for SHT20 & BMP180
+I2C i2c_sen(PB_11, PB_10);
+
+//USART2 to PC, USART1 to sensors & WiFi module
+Serial uart_pc(SERIAL_TX, SERIAL_RX);
+Serial uart_sen(PA_9, PA_10);
+
+//LEDs on mother board and daughter board
+DigitalOut led_mb(LED1, 0), led_db1_n(PB_1, 1), led_db2_n(PB_2, 1); 
+
+//GPIO for CD4052 serial mux control
+DigitalOut smux_a(PB_14, 0), smux_b(PB_13, 0), smux_oe_n(PB_15, 1);
+
+
+//Init board library
+//--> Success return 0
+int BoardLibInit(void)
+{    
+    //Init LED status
+    LedOnAll();
+        
+    //Init debug & sensor UART
+    uart_pc.baud(115200);
+    uart_sen.baud(9600);
+    
+    //Init sensor I2C
+    i2c_sen.frequency(100000);
+    
+    //Init serial mux chip
+    SerialMuxDisable();
+    SerialMuxSel(0);  
+     
+    //Return 0 if success
+    return 0; 
+}
+
+void SerialMuxSel(int ch)
+{
+    switch(ch)
+    {
+        case 1:
+            smux_a = 1;
+            smux_b = 0;
+            break;  
+            
+        case 2:
+            smux_a = 0;
+            smux_b = 1;
+            break;  
+            
+        case 3:
+            smux_a = 1;
+            smux_b = 1;
+            break;  
+            
+            
+        case 0:
+        default:
+            smux_a = 0;
+            smux_b = 0;
+            break;    
+    }    
+}
+
+void SerialMuxEnable(void)
+{
+    smux_oe_n = 0;       
+}
+
+void SerialMuxDisable(void)
+{
+    smux_oe_n = 0;       
+}
+
+void LedOn(int ch)
+{
+    switch(ch)
+    {
+        case 0:
+            led_mb = 1;
+            break;  
+            
+        case 1:
+            led_db1_n = 0;
+            break;  
+            
+        case 2:
+            led_db2_n = 0;
+            break;  
+            
+        default:
+            break;   
+    }           
+}
+
+void LedOff(int ch)
+{
+    switch(ch)
+    {
+        case 0:
+            led_mb = 0;
+            break;  
+            
+        case 1:
+            led_db1_n = 1;
+            break;  
+            
+        case 2:
+            led_db2_n = 1;
+            break;  
+            
+        default:
+            break;   
+    }           
+}
+
+void LedToggle(int ch)
+{
+    switch(ch)
+    {
+        case 0:
+            if(led_mb)
+                led_mb = 0;
+            else
+                led_mb = 1;
+            break;  
+            
+        case 1:
+            if(led_db1_n)
+                led_db1_n = 0;
+            else
+                led_db1_n = 1;
+            break;  
+            
+        case 2:
+            if(led_db2_n)
+                led_db2_n = 0;
+            else
+                led_db2_n = 1;
+            break;  
+            
+        default:
+            break;   
+    }           
+}
+
+void LedOnAll(void)
+{
+    for(int ledNum = 0; ledNum < LED_NUM_MAX; ledNum++)
+        LedOn(ledNum);    
+}
+
+void LedOffAll(void)
+{
+    for(int ledNum = 0; ledNum < LED_NUM_MAX; ledNum++)
+        LedOff(ledNum);    
+}
\ No newline at end of file