Diff: i2c_qt1070.cpp

Revision:

0:620ca2412ef6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/i2c_qt1070.cpp	Wed Dec 14 13:35:53 2016 +0000
@@ -0,0 +1,73 @@
+#include "i2c_qt1070.h"
+extern "C" void mbed_reset();
+
+namespace I2cQt1070Device{
+    I2cQt1070::I2cQt1070(PinName sda, PinName scl, int address, int frequency)
+    : I2CSlave(sda, scl){
+        
+        this->address(address);
+        this->frequency(frequency);
+    }
+    
+    void I2cQt1070::check_for_instruction(void){
+        int addressed = receive(); 
+        switch (addressed) {
+            case I2CSlave::WriteAddressed:{
+                printf("Write addressedd\r\n");
+                process_write_request();
+                break;
+            }   
+            case I2CSlave::ReadAddressed:{
+                printf("Read addressedd\r\n");
+                send_register_to_master();
+                break;
+            }   
+        }
+    }
+    
+    void I2cQt1070::send_register_to_master(void){ 
+        switch(qt1070Address){
+            case READ_ID:{
+                printf("Received id command\r\n");
+                char id = qt1070.getId();
+                char buffer[1];
+                buffer[0] = id;
+                write(buffer,1);
+                break;
+            } 
+            case READ_FIRMWARE:{
+                printf("Received firmware command\r\n");
+                char version = qt1070.getFirmware();  
+                char buffer[1];
+                buffer[0] = version;
+                write(buffer,1);     
+                break;
+            }
+            case READ_KEY_STATUS:{
+                printf("Received key status command\r\n");
+                char status = qt1070.getStatus();
+                char buffer[1];
+                buffer[0] = status;
+                write(buffer,1);
+                break;
+            }
+            
+            case RESET:{
+                printf("Received reset command\r\n");
+                mbed_reset();
+                stop();
+                break;
+            }
+            default:{
+                printf("Unknown command byte recieved from master\r\n");
+            }
+        }  
+    }
+
+    int I2cQt1070::process_write_request(void){
+        char nextQt1070Address = this->read();
+            this->qt1070Address = nextQt1070Address;
+        this->stop();
+    }
+
+};
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