Dan Allen / Mbed 2 deprecated MAX11410_test

test program to power up two MAX11410 ADCs and check the inputs of ADC1. Uses MAX11410 library.

Dependencies:   MAX11410 mbed

main.cpp@3:42120705a9bd, 2016-11-11 (annotated)

Committer:
smartsystemdesign
Date:
Fri Nov 11 23:24:33 2016 +0000
Revision:
3:42120705a9bd
Parent:
2:39ba9beabf3c
Child:
4:c194858fe0c6
Added comment to assist in troubleshooting.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 0:4f78cdfc99de 1 // I2CU - Search for devices on an I2C bus
simon 0:4f78cdfc99de 2 // Copyright (c) 2009, sford
simon 0:4f78cdfc99de 3 // Released under the MIT License: http://mbed.org/license/mit
simon 0:4f78cdfc99de 4 //
simon 0:4f78cdfc99de 5 // Goes through each device address, seeing if it gets a response
simon 0:4f78cdfc99de 6 // - for every device if finds, it prints the 8-bit address
simon 0:4f78cdfc99de 7 // - if the program hangs, the bus isn't working (check pull-ups etc)
simon 0:4f78cdfc99de 8 // - if it doesn't find your device, check power/bus wiring etc
smartsystemdesign 3:42120705a9bd 9 //
smartsystemdesign 3:42120705a9bd 10 // - Note: if you plug / unplug devices try cycling power
smartsystemdesign 2:39ba9beabf3c 11
simon 0:4f78cdfc99de 12 #include "mbed.h"
simon 0:4f78cdfc99de 13
smartsystemdesign 1:1cdd12a4efb2 14 I2C i2c(I2C_SDA, I2C_SCL); // sda, scl
smartsystemdesign 2:39ba9beabf3c 15 Ticker repeatTicker;
simon 0:4f78cdfc99de 16
smartsystemdesign 2:39ba9beabf3c 17 void repeat()
smartsystemdesign 2:39ba9beabf3c 18 {
simon 0:4f78cdfc99de 19 printf("I2CU! Searching for I2C devices...\n");
simon 0:4f78cdfc99de 20
simon 0:4f78cdfc99de 21 int count = 0;
simon 0:4f78cdfc99de 22 for (int address=0; address<256; address+=2) {
smartsystemdesign 2:39ba9beabf3c 23 bool temp = i2c.write(address, NULL, 0); // 0 if successful, otherwise non-zero
smartsystemdesign 2:39ba9beabf3c 24 if (!temp && (address >> 1) != 0) { // not interested in address 0
smartsystemdesign 1:1cdd12a4efb2 25 printf(" - I2C device found at address 0x%02X\n", address >> 1);
simon 0:4f78cdfc99de 26 count++;
simon 0:4f78cdfc99de 27 }
simon 0:4f78cdfc99de 28 }
smartsystemdesign 2:39ba9beabf3c 29 printf("%d device(s) found\n", count);
simon 0:4f78cdfc99de 30 }
smartsystemdesign 2:39ba9beabf3c 31
smartsystemdesign 2:39ba9beabf3c 32 int main()
smartsystemdesign 2:39ba9beabf3c 33 {
smartsystemdesign 2:39ba9beabf3c 34 repeatTicker.attach(&repeat, 2.0);
smartsystemdesign 2:39ba9beabf3c 35 }