Diff: main.cpp

Revision:

0:61561880f5ea

Child:

1:c671dcf90b11

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Nov 25 05:08:33 2016 +0000
@@ -0,0 +1,34 @@
+#include "mbed.h"
+#include "AT24C1024.h"
+
+I2C         i2c(D14, D15);      // SDA, SCL
+AT24C1024   at24c1024(i2c);     // Atmel 1Mbit EE-PROM
+
+DigitalOut led1(LED1);
+
+int main()
+{
+    printf("\r\n*** AT24C1024 Test ***\r\n");
+    uint8_t dt = 0x55;
+    
+    printf("Byte Write: %02x\r\n", dt);
+    at24c1024.write(0, dt);     // write addr=0 data=dt
+    wait_ms(5);
+    dt = at24c1024.read(0);     // read addr=0
+    printf("Byte Read: %02x\r\n", dt);
+
+    uint32_t addr = 0;
+    while(1) {
+        uint8_t data = addr & 0xff;
+        at24c1024.write(addr, data);
+        wait_ms(5);
+        uint8_t rdata = at24c1024.read(addr);
+        if (data != rdata) {
+            printf("error: addr:%u data:%u rdata:%u\r\n", addr, data, rdata);
+        }
+        addr++;
+        if (addr == 0x1ffff) {
+            addr = 0;
+        }
+    }
+}