Diff: main.cpp

Revision:

0:5af843e949f3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat May 07 17:24:10 2016 +0000
@@ -0,0 +1,60 @@
+#include "mbed.h"
+#define DEV_ADDR    0xAE
+
+I2C     i2c(PB_11, PB_10);
+Serial     pc(PA_2, PA_3);
+AnalogIn        FWD(PA_0);
+AnalogIn        REF(PA_1);
+
+void AT24C32_WriteBytes(uint16_t addr, uint8_t *pbuf, uint16_t length)
+{
+    char buf[length+2];
+    buf[0] = (uint8_t)(addr>>8);
+    buf[1] = (uint8_t)(addr);
+    memcpy(&buf[2], pbuf, length); 
+    i2c.write(DEV_ADDR, buf, length+2, false);
+}
+
+void AT24C32_ReadBytes(uint16_t addr, uint8_t *pbuf, uint16_t length)
+{
+    char buf[2];
+    buf[0] = (uint8_t)(addr>>8);
+    buf[1] = (uint8_t)(addr);
+    i2c.write(DEV_ADDR, buf, 2, false);
+    
+    i2c.read(DEV_ADDR, (char *)pbuf, length, false);
+}
+
+float measure_REF;
+
+uint8_t w_buf[1];
+uint8_t r_buf[1];
+uint8_t byte =0;
+int addr=0x00;
+char Data=0;
+int main(void)
+{
+    uint8_t index=0;
+ 
+  
+    pc.baud(9600);
+    pc.printf("IIC Demo Start \r\n");
+    
+    while(1)
+    {
+//WRITE**************************************
+        
+        uint8_t byte = REF.read_u16() >> 8;
+        pc.printf("EEPROM Write Byte= %d\n",byte);
+        AT24C32_WriteBytes(addr,&byte,1);
+//*******************************************
+
+//READ***************************************      
+        wait(1);
+        AT24C32_ReadBytes(addr, r_buf,1);
+        for(index=0; index<1; index++)
+        Data=(r_buf[index]);
+        pc.printf("EEPROM Read Byte=%d\n",Data);
+        
+    }
+}
\ No newline at end of file