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/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/**
* Driver for the Philips PCA9632 LED driver.
* Written by Robert Mendon Feb 2017.
*/
#include "../../inc/MarlinConfig.h"
#if ENABLED(PCA9632)
#include "pca9632.h"
#include "leds.h"
#include <Wire.h>
#define PCA9632_MODE1_VALUE 0b00000001 //(ALLCALL)
#define PCA9632_MODE2_VALUE 0b00010101 //(DIMMING, INVERT, CHANGE ON STOP,TOTEM)
#define PCA9632_LEDOUT_VALUE 0b00101010
/* Register addresses */
#define PCA9632_MODE1 0x00
#define PCA9632_MODE2 0x01
#define PCA9632_PWM0 0x02
#define PCA9632_PWM1 0x03
#define PCA9632_PWM2 0x04
#define PCA9632_PWM3 0x05
#define PCA9632_GRPPWM 0x06
#define PCA9632_GRPFREQ 0x07
#define PCA9632_LEDOUT 0x08
#define PCA9632_SUBADR1 0x09
#define PCA9632_SUBADR2 0x0A
#define PCA9632_SUBADR3 0x0B
#define PCA9632_ALLCALLADDR 0x0C
#define PCA9632_NO_AUTOINC 0x00
#define PCA9632_AUTO_ALL 0x80
#define PCA9632_AUTO_IND 0xA0
#define PCA9632_AUTOGLO 0xC0
#define PCA9632_AUTOGI 0xE0
// Red=LED0 Green=LED1 Blue=LED2 White=LED3
#ifndef PCA9632_RED
#define PCA9632_RED 0x00
#endif
#ifndef PCA9632_GRN
#define PCA9632_GRN 0x02
#endif
#ifndef PCA9632_BLU
#define PCA9632_BLU 0x04
#endif
#if HAS_WHITE_LED && !defined(PCA9632_WHT)
#define PCA9632_WHT 0x06
#endif
// If any of the color indexes are greater than 0x04 they can't use auto increment
#if !defined(PCA9632_NO_AUTO_INC) && (PCA9632_RED > 0x04 || PCA9632_GRN > 0x04 || PCA9632_BLU > 0x04 || PCA9632_WHT > 0x04)
#define PCA9632_NO_AUTO_INC
#endif
#define LED_OFF 0x00
#define LED_ON 0x01
#define LED_PWM 0x02
#define PCA9632_ADDRESS 0b01100000
byte PCA_init = 0;
static void PCA9632_WriteRegister(const byte addr, const byte regadd, const byte value) {
Wire.beginTransmission(I2C_ADDRESS(addr));
Wire.write(regadd);
Wire.write(value);
Wire.endTransmission();
}
static void PCA9632_WriteAllRegisters(const byte addr, const byte regadd, const byte vr, const byte vg, const byte vb
#if ENABLED(PCA9632_RGBW)
, const byte vw
#endif
) {
#if DISABLED(PCA9632_NO_AUTO_INC)
uint8_t data[4];
data[0] = PCA9632_AUTO_IND | regadd;
data[1 + (PCA9632_RED >> 1)] = vr;
data[1 + (PCA9632_GRN >> 1)] = vg;
data[1 + (PCA9632_BLU >> 1)] = vb;
Wire.beginTransmission(I2C_ADDRESS(addr));
Wire.write(data, sizeof(data));
Wire.endTransmission();
#else
PCA9632_WriteRegister(addr, regadd + (PCA9632_RED >> 1), vr);
PCA9632_WriteRegister(addr, regadd + (PCA9632_GRN >> 1), vg);
PCA9632_WriteRegister(addr, regadd + (PCA9632_BLU >> 1), vb);
#if ENABLED(PCA9632_RGBW)
PCA9632_WriteRegister(addr, regadd + (PCA9632_WHT >> 1), vw);
#endif
#endif
}
#if 0
static byte PCA9632_ReadRegister(const byte addr, const byte regadd) {
Wire.beginTransmission(I2C_ADDRESS(addr));
Wire.write(regadd);
const byte value = Wire.read();
Wire.endTransmission();
return value;
}
#endif
void PCA9632_set_led_color(const LEDColor &color) {
Wire.begin();
if (!PCA_init) {
PCA_init = 1;
PCA9632_WriteRegister(PCA9632_ADDRESS,PCA9632_MODE1, PCA9632_MODE1_VALUE);
PCA9632_WriteRegister(PCA9632_ADDRESS,PCA9632_MODE2, PCA9632_MODE2_VALUE);
}
const byte LEDOUT = (color.r ? LED_PWM << PCA9632_RED : 0)
| (color.g ? LED_PWM << PCA9632_GRN : 0)
| (color.b ? LED_PWM << PCA9632_BLU : 0)
#if ENABLED(PCA9632_RGBW)
| (color.w ? LED_PWM << PCA9632_WHT : 0)
#endif
;
PCA9632_WriteAllRegisters(PCA9632_ADDRESS,PCA9632_PWM0, color.r, color.g, color.b
#if ENABLED(PCA9632_RGBW)
, color.w
#endif
);
PCA9632_WriteRegister(PCA9632_ADDRESS,PCA9632_LEDOUT, LEDOUT);
}
#if ENABLED(PCA9632_BUZZER)
void PCA9632_buzz(const long, const uint16_t) {
uint8_t data[] = PCA9632_BUZZER_DATA;
Wire.beginTransmission(I2C_ADDRESS(PCA9632_ADDRESS));
Wire.write(data, sizeof(data));
Wire.endTransmission();
}
#endif // PCA9632_BUZZER
#endif // PCA9632
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