MSS / Mbed 2 deprecated testSensor

I2C sensor test program, derived from testI2C program. Simple test for FXOS8700CQ, HIH6130, MAG3110, MMA8451Q, MMA8452Q, MPL3115A2, MAX44000, MAX44005, MAX44008, MAX30101 included beside simple I2C read/write from testI2C.

Dependencies:   FXOS8700CQ HIH6130 IS31SE5000 MAG3110 MAX44000 MAX44005 MAX44008 MMA8451Q MMA8452Q MPL3115A2 VEML6040 VEML6075 mbed vt100 LM75B FXAS21002 MAX30101 VCNL4020 VCNL4100

dumb_i2c.cpp@0:d4bbd473a83c, 2016-04-26 (annotated)

Committer:
Rhyme
Date:
Tue Apr 26 02:38:14 2016 +0000
Revision:
0:d4bbd473a83c
Child:
18:ee6f43cbfcc1
Implementing sensor tests, up to FXOS8700CQ added.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Rhyme 0:d4bbd473a83c 1 #include "mbed.h"
Rhyme 0:d4bbd473a83c 2 #include "dumb_i2c.h"
Rhyme 0:d4bbd473a83c 3
Rhyme 0:d4bbd473a83c 4 DUMB_I2C::DUMB_I2C(PinName sda, PinName scl, int addr) : m_i2c(sda, scl), m_addr(addr<<1) {
Rhyme 0:d4bbd473a83c 5 // activate the peripheral
Rhyme 0:d4bbd473a83c 6 freq = 100000 ; /* 100KHz */
Rhyme 0:d4bbd473a83c 7 m_i2c.frequency(freq) ;
Rhyme 0:d4bbd473a83c 8 }
Rhyme 0:d4bbd473a83c 9
Rhyme 0:d4bbd473a83c 10 DUMB_I2C::~DUMB_I2C() { }
Rhyme 0:d4bbd473a83c 11
Rhyme 0:d4bbd473a83c 12 uint8_t DUMB_I2C::address(void)
Rhyme 0:d4bbd473a83c 13 {
Rhyme 0:d4bbd473a83c 14 return( m_addr >> 1 ) ;
Rhyme 0:d4bbd473a83c 15 }
Rhyme 0:d4bbd473a83c 16
Rhyme 0:d4bbd473a83c 17 void DUMB_I2C::frequency(uint32_t f)
Rhyme 0:d4bbd473a83c 18 {
Rhyme 0:d4bbd473a83c 19 freq = f ;
Rhyme 0:d4bbd473a83c 20 m_i2c.frequency(freq) ;
Rhyme 0:d4bbd473a83c 21 }
Rhyme 0:d4bbd473a83c 22
Rhyme 0:d4bbd473a83c 23 uint32_t DUMB_I2C::frequency(void)
Rhyme 0:d4bbd473a83c 24 {
Rhyme 0:d4bbd473a83c 25 return(freq) ;
Rhyme 0:d4bbd473a83c 26 }
Rhyme 0:d4bbd473a83c 27
Rhyme 0:d4bbd473a83c 28 int DUMB_I2C::read(int addr, uint8_t *data, int len)
Rhyme 0:d4bbd473a83c 29 {
Rhyme 0:d4bbd473a83c 30 int result ;
Rhyme 0:d4bbd473a83c 31 result = readRegs(addr, data, len) ;
Rhyme 0:d4bbd473a83c 32 return( result ) ;
Rhyme 0:d4bbd473a83c 33 }
Rhyme 0:d4bbd473a83c 34
Rhyme 0:d4bbd473a83c 35 int DUMB_I2C::write(int addr, uint8_t *data, int len)
Rhyme 0:d4bbd473a83c 36 {
Rhyme 0:d4bbd473a83c 37 uint8_t *buf ;
Rhyme 0:d4bbd473a83c 38 int ack ;
Rhyme 0:d4bbd473a83c 39 buf = new uint8_t[len+1] ;
Rhyme 0:d4bbd473a83c 40 buf[0] = addr ;
Rhyme 0:d4bbd473a83c 41 for (int i = 0 ; i < len ; i++ ) {
Rhyme 0:d4bbd473a83c 42 buf[i+1] = data[i] ;
Rhyme 0:d4bbd473a83c 43 }
Rhyme 0:d4bbd473a83c 44 ack = writeRegs(buf, len+1) ;
Rhyme 0:d4bbd473a83c 45 delete buf ;
Rhyme 0:d4bbd473a83c 46 return( ack ) ;
Rhyme 0:d4bbd473a83c 47 }
Rhyme 0:d4bbd473a83c 48
Rhyme 0:d4bbd473a83c 49 int DUMB_I2C::readRegs(int addr, uint8_t * data, int len) {
Rhyme 0:d4bbd473a83c 50 int result ;
Rhyme 0:d4bbd473a83c 51 char t[1] = {addr};
Rhyme 0:d4bbd473a83c 52 m_i2c.write(m_addr, t, 1, true);
Rhyme 0:d4bbd473a83c 53 result = m_i2c.read(m_addr, (char *)data, len);
Rhyme 0:d4bbd473a83c 54 return( result ) ;
Rhyme 0:d4bbd473a83c 55 }
Rhyme 0:d4bbd473a83c 56
Rhyme 0:d4bbd473a83c 57 int DUMB_I2C::writeRegs(uint8_t * data, int len) {
Rhyme 0:d4bbd473a83c 58 int ack ;
Rhyme 0:d4bbd473a83c 59 ack = m_i2c.write(m_addr, (char *)data, len);
Rhyme 0:d4bbd473a83c 60 return( ack ) ;
Rhyme 0:d4bbd473a83c 61 }