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main.cpp
00001 #include "mbed.h" 00002 00003 I2C i2c(p28, p27); 00004 Serial pc(USBTX, USBRX); 00005 00006 00007 00008 int main() { 00009 const int addr = 0xA0; 00010 int a,b; 00011 char buff[15]; char data[15]; 00012 00013 i2c.frequency(100000); 00014 00015 00016 00017 00018 while(1) { 00019 00020 for(int j = 0; j < 15; j++) buff[j] = 0;/*effacer le buffer*/ 00021 00022 /************************************************Ecrire************/ 00023 strcpy(data, ""); 00024 00025 pc.printf("Tapez la message a etre envoye vers le Slave:\n\r"); 00026 00027 pc.scanf("%s", data); 00028 00029 pc.printf("%s\n\r", data); 00030 00031 b=i2c.write( addr, data, strlen(data)+1); 00032 00033 wait(0.1);/*wait nécessaire pour faire le write*/ 00034 00035 00036 pc.printf("Write %d\n\r", b); 00037 00038 00039 00040 /*****************************Lire***************/ 00041 00042 00043 a=i2c.read(addr, buff,15); 00044 00045 wait(0.1);/*wait nécessaire pour faire le read*/ 00046 00047 pc.printf("%d", a); 00048 00049 pc.printf("Read %s\n\r", buff); 00050 00051 00052 00053 } 00054 } 00055
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