Diff: main.cpp

Revision:

0:64b9e47c0f13

diff -r 000000000000 -r 64b9e47c0f13 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Aug 16 18:56:28 2015 +0000
@@ -0,0 +1,109 @@
+#include "mbed.h"
+#include <I2CEeprom.h>
+
+DigitalOut myled(LED1);
+
+struct Info {
+    char name[32];
+    int age;
+    float score;
+};
+    
+const char *convBool(bool value) { return value ? "true" : "false"; }
+
+int main() {
+    I2CEeprom memory(I2C_SDA,I2C_SCL, 0xAE, 32, 0);
+    if (memory.write(1, 'Z') != 1) {
+        printf("Write failed\n\r");
+    }
+    
+    char value;
+    if (memory.read(1, value) == 0) {
+        printf("Read failed\n\r");
+    } else {
+        printf("Value read [%c] valid %s\n\r", value, convBool(value == 'Z'));
+    }
+
+    const char *pat = "Abcdefghijklmnopqrstuvwxyz";    
+    if (memory.write(50, pat, 27) != 27) {
+        printf("Write failed\n\r");
+    }
+    
+    if (memory.read(50, value) != 1) {
+        printf("Read failed\n\r");
+    } else {
+        printf("First char read [%c]\n\r", value);
+    
+        char buffer[28] = {'A', '\0' };
+        if (memory.read(50, buffer, 27) != 27) {
+            printf("Read failed\n\r");
+        } else {
+            printf("Value read [%s] valid %s\n\r", buffer, convBool(strcmp(buffer, pat) == 0));
+        }
+    }
+    
+    memory.fill(0, 'A', 512);
+    char small[33];
+    if (memory.read(10, small, 32) != 32) {
+        printf("Read failed\n\r");
+    } else {
+        bool same = true;
+        for (int count = 0; count != 32; ++count) {
+            same &= small[count] == 'A';
+        }
+        printf("Value read [%.32s] valid %s\n\r", small, convBool(same));
+    }
+    
+    const char *bigPat = "123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789a123456789b123456789c123456789d123456789e123456789f123456789g123456789h123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789a123456789b123456789c123456789d123456789e123456789f123456789g123456789h";
+    size_t patSize = strlen(bigPat) + 1;
+    if (!memory.write(42, bigPat, patSize)) {
+        printf("Write failed\n\r");
+    }
+
+    char bigBuffer[512] = {'A', '\0' };
+    if (memory.read(42, bigBuffer, patSize) != patSize) {
+        printf("Read failed\n\r");
+    } else {
+        printf("Value read [%s]\n\r", bigBuffer);
+        printf("Same is %s\n\r", convBool(strcmp(bigPat, bigBuffer) == 0));
+    }
+    
+    int values[4] = { 1, 2, 3, 4};
+    if (memory.write(4, values) != sizeof(values)) {
+        printf("Write failed\n\r");
+    }
+    
+    int newValues[4];
+    if (memory.read(4, newValues) != sizeof(values)) {
+        printf("Read failed\n\r");
+    }
+    
+    for (int count = 0; count != 4; ++count) {
+        printf("Values[%d] = %d\n\r", count, newValues[count]);
+    }
+    
+    Info foo[] = {
+        { "Bill", 18, 2.3 },
+        { "Bert", 21, 4.5 },
+        { "Mary", 19, 7.5 }
+    };
+    
+    if (!memory.write(100, foo)) {
+        printf("Write failed\n\r");
+    }
+    
+    Info bar[3];
+    if (!memory.read(100, bar)) {
+        printf("Read failed\n\r");
+    }
+    for (int count = 0; count != 3; ++count) {
+        printf("name %s, age %d, score %f\n\r", bar[count].name, bar[count].age, bar[count].score);
+    }
+    
+    while(1) {
+        myled = 1;
+        wait(0.2);
+        myled = 0;
+        wait(0.2);
+    }
+}