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Diffstat (limited to 'Marlin/src/feature/leds/pca9632.cpp')
-rw-r--r-- | Marlin/src/feature/leds/pca9632.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/Marlin/src/feature/leds/pca9632.cpp b/Marlin/src/feature/leds/pca9632.cpp new file mode 100644 index 0000000..bb30e0b --- /dev/null +++ b/Marlin/src/feature/leds/pca9632.cpp @@ -0,0 +1,164 @@ +/** + * 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 |