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Support RGBW on PCA9632 (#20455)

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Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
This commit is contained in:
Jan Krajdl 2020-12-22 15:27:14 +01:00 committed by GitHub
parent c559fc8227
commit de9c0eda36
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 31 additions and 17 deletions
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2
Marlin/src/feature/leds/leds.h
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@ -34,7 +34,7 @@
#endif
// A white component can be passed
#if EITHER(RGBW_LED, NEOPIXEL_LED)
#if ANY(RGBW_LED, NEOPIXEL_LED, PCA9632_RGBW)
#define HAS_WHITE_LED 1
#endif

46
Marlin/src/feature/leds/pca9632.cpp
View file

@ -58,7 +58,7 @@
#define PCA9632_AUTOGLO 0xC0
#define PCA9632_AUTOGI 0xE0
// Red=LED0 Green=LED1 Blue=LED2
// Red=LED0 Green=LED1 Blue=LED2 White=LED3
#ifndef PCA9632_RED
#define PCA9632_RED 0x00
#endif
@ -68,9 +68,12 @@
#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)
#if !defined(PCA9632_NO_AUTO_INC) && (PCA9632_RED > 0x04 || PCA9632_GRN > 0x04 || PCA9632_BLU > 0x04 || PCA9632_WHT > 0x04)
#define PCA9632_NO_AUTO_INC
#endif
@ -89,25 +92,28 @@ static void PCA9632_WriteRegister(const byte addr, const byte regadd, const byte
Wire.endTransmission();
}
static void PCA9632_WriteAllRegisters(const byte addr, const byte regadd, const byte vr, const byte vg, const byte vb) {
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], len = 4;
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;
#else
uint8_t data[6], len = 6;
data[0] = regadd + (PCA9632_RED >> 1);
data[1] = vr;
data[2] = regadd + (PCA9632_GRN >> 1);
data[3] = vg;
data[4] = regadd + (PCA9632_BLU >> 1);
data[5] = vb;
#endif
Wire.beginTransmission(I2C_ADDRESS(addr));
Wire.write(data, len);
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
@ -130,9 +136,17 @@ void PCA9632_set_led_color(const LEDColor &color) {
const byte LEDOUT = (color.r ? LED_PWM << PCA9632_RED : 0)
| (color.g ? LED_PWM << PCA9632_GRN : 0)
| (color.b ? LED_PWM << PCA9632_BLU : 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);
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);
}