52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
/* See the file "LICENSE" for the full license governing this code. */
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#include "PCA9634.h"
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static const uint8_t HydroSense_led_map[] = {2, // signal strength green
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6, // gps green
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7}; // error
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PCA9634::PCA9634(uint8_t address){
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_address = address;
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_on_value = 50;
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}
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void PCA9634::begin(){
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// initalize all leds to default PWM control
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int i;
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write_reg( PCA9634_REG_MODE1, 0 );
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write_reg( PCA9634_REG_MODE2, 0x16 ); // INVRT | OUTDRV | OUTNE1
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write_reg( PCA9634_REG_LEDOUT0, PCA9634_ALL_LED_TO_PWM );
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write_reg( PCA9634_REG_LEDOUT1, PCA9634_ALL_LED_TO_PWM );
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for (i=0; i < 8; i++){
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set_brightness(i, 0);
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}
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}
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void PCA9634::set_on_value(uint8_t on){
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_on_value = on;
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}
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uint8_t PCA9634::set_mode1(uint8_t mode1){
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return write_reg( PCA9634_REG_MODE1, mode1 );
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}
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uint8_t PCA9634::set_mode2(uint8_t mode2){
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return write_reg (PCA9634_REG_MODE2, mode2);
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}
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uint8_t PCA9634::set_brightness(uint8_t led, uint8_t duty_cycle){
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// limit led to a 3-bit unsigned value.
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return write_reg( PCA9634_REG_PWM0 + ( (uint8_t) (led & 0x7) ),
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duty_cycle );
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}
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uint8_t PCA9634::write_reg(uint8_t reg, uint8_t value){
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Wire.beginTransmission( _address );
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Wire.write( reg );
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Wire.write( value );
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return Wire.endTransmission( );
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}
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