Supergeniene på bakerste rad / Mbed 2 deprecated LAB11_Oppgave01

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Dependencies:   mbed

Fork of LAB11_Oppgave01 by EL-POM1001

main.cpp@2:3d70a9ba2a58, 2015-12-08 (annotated)

Committer:
knut_johan
Date:
Tue Dec 08 15:43:46 2015 +0000
Revision:
2:3d70a9ba2a58
Parent:
1:2d9d32fc4f5d 
LAB11_

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rlanghbv 0:81fa0e3e8a6c 1 #include "mbed.h"
rlanghbv 0:81fa0e3e8a6c 2
rlanghbv 1:2d9d32fc4f5d 3 I2C i2cBus(I2C_SDA, I2C_SCL);
rlanghbv 0:81fa0e3e8a6c 4
rlanghbv 0:81fa0e3e8a6c 5 int main()
knut_johan 2:3d70a9ba2a58 6 { int i2cAddres;
rlanghbv 1:2d9d32fc4f5d 7 i2cBus.frequency(100000);
rlanghbv 1:2d9d32fc4f5d 8
knut_johan 2:3d70a9ba2a58 9 i2cAddres=0x68;
knut_johan 2:3d70a9ba2a58 10 for(i2cAddres=3;i2cAddres<119;i2cAddres++) // I2C device found at address 0x52
knut_johan 2:3d70a9ba2a58 11 {
knut_johan 2:3d70a9ba2a58 12 // Address of DS1307 is 0x68 (7 bit address)
rlanghbv 1:2d9d32fc4f5d 13 int i2c8BitAddres= i2cAddres <<1; // Convert to 8bit addressing used by mbed
rlanghbv 1:2d9d32fc4f5d 14
rlanghbv 1:2d9d32fc4f5d 15 int result=i2cBus.write(i2c8BitAddres, NULL, 0);
rlanghbv 1:2d9d32fc4f5d 16
rlanghbv 1:2d9d32fc4f5d 17 //0 on success (ack), non-0 on failure (nack)
rlanghbv 1:2d9d32fc4f5d 18 if (result==0)
rlanghbv 1:2d9d32fc4f5d 19 printf("I2C device found at address 0x%02X \r\n", i2cAddres);
rlanghbv 1:2d9d32fc4f5d 20 else
knut_johan 2:3d70a9ba2a58 21 printf("I2C device Not found at address 0x%02X \r\n", i2cAddres);
knut_johan 2:3d70a9ba2a58 22 }
rlanghbv 0:81fa0e3e8a6c 23 }
rlanghbv 0:81fa0e3e8a6c 24