128 lines
3.1 KiB
C
128 lines
3.1 KiB
C
|
/**
|
|||
|
|
* BlinkM_funcs_soft.h -- an extremely cut-down version of BlinkM_funcs.h
|
|||
|
|
* for use with SoftI2CMaster library
|
|||
|
|
*
|
|||
|
|
*
|
|||
|
|
* 2010 Tod E. Kurt, http://todbot.com/blog/
|
|||
|
|
* 2014, by Testato: update library and examples for follow Wire’s API of Arduino IDE 1.x
|
|||
|
|
*
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
int errcnt;
|
|||
|
|
|
|||
|
|
#include "SoftI2CMaster.h"
|
|||
|
|
|
|||
|
|
SoftI2CMaster i2c = SoftI2CMaster();
|
|||
|
|
|
|||
|
|
|
|||
|
|
// set which arbitrary I/O pins will be "power" and "ground" for the BlinkM
|
|||
|
|
static void BlinkM_setPowerPins(byte pwrpin, byte gndpin)
|
|||
|
|
{
|
|||
|
|
pinMode(pwrpin, OUTPUT);
|
|||
|
|
pinMode(gndpin, OUTPUT);
|
|||
|
|
digitalWrite(pwrpin, HIGH);
|
|||
|
|
digitalWrite(gndpin, LOW);
|
|||
|
|
delay(10); // wait for power to stabilize
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// set which arbitrary I/O pins will be BlinkMs SCL and SDA
|
|||
|
|
// note, this sets the internal pull-up resistors
|
|||
|
|
static void BlinkM_begin( byte sclpin, byte sdapin )
|
|||
|
|
{
|
|||
|
|
i2c.setPins( sclPin,sdaPin, true );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// start up a BlinkM with four arbitrary I/O pins
|
|||
|
|
static void BlinkM_begin( byte sclpin, byte sdapin, byte pwrpin, byte gndpin)
|
|||
|
|
{
|
|||
|
|
BlinkM_setPowerPins( pwrpin, gndpin );
|
|||
|
|
i2c.setPins( sclPin,sdaPin, true );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// -----------------------------------------------------------------------------
|
|||
|
|
// many BlinkM commands are 3 arguments in length, here's a generalized form
|
|||
|
|
static void BlinkM_sendCmd3( uint8_t addr, uint8_t c, uint8_t a1, uint8_t a2, uint8_t a3 )
|
|||
|
|
{
|
|||
|
|
if( i2c.beginTransmission( addr ) == 0 ) {
|
|||
|
|
++errcnt;
|
|||
|
|
//Serial.println( errcnt); // FIXME
|
|||
|
|
}
|
|||
|
|
i2c.write( c );
|
|||
|
|
i2c.write( a1 );
|
|||
|
|
i2c.write( a2 );
|
|||
|
|
i2c.write( a3 );
|
|||
|
|
i2c.endTransmission();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// other BlinkM commands have a single argument
|
|||
|
|
static void BlinkM_sendCmd1( uint8_t addr, uint8_t c, uint8_t a1)
|
|||
|
|
{
|
|||
|
|
if( i2c.beginTransmission( addr ) == 0 ) {
|
|||
|
|
++errcnt;
|
|||
|
|
//Serial.println( errcnt); // FIXME
|
|||
|
|
}
|
|||
|
|
i2c.write( c );
|
|||
|
|
i2c.write( a1 );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static void BlinkM_stopScript(uint8_t addr)
|
|||
|
|
{
|
|||
|
|
i2c.beginTransmission( addr );
|
|||
|
|
i2c.write( 'o' );
|
|||
|
|
i2c.endTransmission();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static void BlinkM_setFadeSpeed( uint8_t addr, uint8_t f)
|
|||
|
|
{
|
|||
|
|
BlinkM_sendCmd1( addr, 'f', f );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static void BlinkM_fadeToRGB( uint8_t addr, uint8_t r, uint8_t g, uint8_t b )
|
|||
|
|
{
|
|||
|
|
BlinkM_sendCmd3( addr, 'c', r,g,b );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static void BlinkM_setRGB( uint8_t addr, uint8_t r, uint8_t g, uint8_t b )
|
|||
|
|
{
|
|||
|
|
BlinkM_sendCmd3( addr, 'n', r,g,b );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static void BlinkM_off(uint8_t addr)
|
|||
|
|
{
|
|||
|
|
BlinkM_stopScript( addr );
|
|||
|
|
BlinkM_setFadeSpeed(addr,10);
|
|||
|
|
BlinkM_setRGB(addr, 0,0,0 );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Get the BlinkM firmware version
|
|||
|
|
static int BlinkM_getVersion(byte addr)
|
|||
|
|
{
|
|||
|
|
i2c.beginTransmission( addr );
|
|||
|
|
i2c.write( 'Z' );
|
|||
|
|
i2c.endTransmission();
|
|||
|
|
|
|||
|
|
i2c.requestFrom( addr );
|
|||
|
|
uint8_t major_ver = i2c.read();
|
|||
|
|
uint8_t minor_ver = i2c.readLast();
|
|||
|
|
i2c.endTransmission();
|
|||
|
|
return (major_ver<<8) + minor_ver;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
static void BlinkM_getRGBColor(byte addr, byte* r, byte* g, byte* b)
|
|||
|
|
{
|
|||
|
|
i2c.beginTransmission(addr);
|
|||
|
|
i2c.write('g');
|
|||
|
|
i2c.endTransmission();
|
|||
|
|
|
|||
|
|
i2c.requestFrom( addr );
|
|||
|
|
*r = i2c.read();
|
|||
|
|
*g = i2c.read();
|
|||
|
|
*b = i2c.readLast();
|
|||
|
|
i2c.endTransmission();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|