added rgb-flame code
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bsx
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a038463097
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/*
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flame m0dul with RGB (rev c) - https://github.com/schneider42/flame
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LED driver is a PCA9633
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*/
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#include "basic/basic.h"
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#include "core/i2c/i2c.h"
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#include "basic/config.h"
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#include "basic/xxtea.h"
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#define FLAME_I2C_WRITE 0xC6
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#define FLAME_I2C_READ 0xC7
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#define FLAME_I2C_CR_MODE1 0x00
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#define FLAME_I2C_CR_MODE2 0x01
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#define FLAME_I2C_CR_PWM0 0x02
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#define FLAME_I2C_CR_PWM1 0x03
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#define FLAME_I2C_CR_PWM2 0x04
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#define FLAME_I2C_CR_PWM3 0x05
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#define FLAME_I2C_CR_GRPPWM 0x06
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#define FLAME_I2C_CR_GRPFREQ 0x07
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#define FLAME_I2C_CR_LEDOUT 0x08
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#define FLAME_I2C_LED0_OFF 0x00
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#define FLAME_I2C_LED0_FULL 0x01
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#define FLAME_I2C_LED0_INDY 0x02
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#define FLAME_I2C_LED0_GRP 0x03
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#define FLAME_I2C_LED1_OFF 0x00
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#define FLAME_I2C_LED1_FULL 0x04
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#define FLAME_I2C_LED1_INDY 0x08
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#define FLAME_I2C_LED1_GRP 0x0c
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#define FLAME_I2C_LED2_OFF 0x00
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#define FLAME_I2C_LED2_FULL 0x10
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#define FLAME_I2C_LED2_INDY 0x20
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#define FLAME_I2C_LED2_GRP 0x30
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#define FLAME_I2C_LED3_OFF 0x00
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#define FLAME_I2C_LED3_FULL 0x40
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#define FLAME_I2C_LED3_INDY 0x80
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#define FLAME_I2C_LED3_GRP 0xC0
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#define FLAME_OFF 0x00
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#define FLAME_UP 0x01
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#define FLAME_UP_WAIT 0x02
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#define FLAME_DOWN 0x03
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#define FLAME_DOWN_WAIT 0x04
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/**************************************************************************/
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#define flameBrightnessMax GLOBAL(flamemax)
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#define flameBrightnessMin GLOBAL(flamemin)
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#define flameSpeedUp GLOBAL(flamespeed)
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#define flameSpeedDown GLOBAL(flamespeed)
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#define flameWaitUp GLOBAL(flamemaxw)
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#define flameWaitDown GLOBAL(flameminw)
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#define nick GLOBAL(nickname)
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uint32_t flameRGBSetI2C(uint8_t cr, uint8_t value) {
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I2CMasterBuffer[0] = FLAME_I2C_WRITE;
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I2CMasterBuffer[1] = cr;
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I2CMasterBuffer[2] = value;
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I2CWriteLength = 3;
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I2CReadLength = 0;
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return i2cEngine();
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}
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uint8_t flameRGBEnabled = 0;
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uint8_t flameRGBMode = FLAME_OFF;
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uint8_t flameRGBI2Cpwm = 0;
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uint8_t flameRGBTicks = 0;
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void setFlameRGBPWM() {
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flameRGBSetI2C(FLAME_I2C_CR_GRPPWM, flameRGBI2Cpwm); // set pwm
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}
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void setFlameRGBColor() {
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// generate a hash from the nickname
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uint32_t hash[4];
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uint32_t const key[4] = {0xcfd97ebc, 0x21117b45, 0x7193727, 0xa336f4d6};
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xxtea_cbcmac(hash, (uint32_t *)nick, 4, key);
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// set color, LED0 = red, LED1 = unused, LED2 = blue, LED3 = green
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flameRGBSetI2C(FLAME_I2C_CR_PWM0, hash[0] % 255);
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flameRGBSetI2C(FLAME_I2C_CR_PWM1, hash[1] % 255);
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flameRGBSetI2C(FLAME_I2C_CR_PWM2, hash[2] % 255);
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flameRGBSetI2C(FLAME_I2C_CR_PWM3, hash[3] % 255);
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}
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void tick_flame_rgb(void) { // every 10ms
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static char night=0;
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if (!flameRGBEnabled) {
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return;
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}
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if (night != isNight()) {
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night = isNight();
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if (!night) {
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flameRGBMode = FLAME_OFF;
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flameRGBI2Cpwm = 0;
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push_queue(&setFlameRGBPWM);
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};
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};
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flameRGBTicks++;
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if (flameRGBI2Cpwm > flameBrightnessMax) {
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flameRGBI2Cpwm = flameBrightnessMax;
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}
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if (flameRGBI2Cpwm < flameBrightnessMin) {
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flameRGBI2Cpwm = flameBrightnessMin;
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}
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if (flameRGBMode == FLAME_OFF) {
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if (isNight()) {
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flameRGBTicks = 0;
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flameRGBMode = FLAME_UP;
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}
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}
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if (flameRGBMode == FLAME_UP) {
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if (0xFF - flameRGBI2Cpwm >= flameSpeedUp ) {
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flameRGBI2Cpwm += flameSpeedUp;
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} else {
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flameRGBI2Cpwm = 0xFF;
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}
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push_queue(&setFlameRGBPWM);
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if (flameRGBI2Cpwm >= flameBrightnessMax) {
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flameRGBMode = FLAME_UP_WAIT;
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flameRGBTicks = 0;
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}
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}
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if (flameRGBMode == FLAME_UP_WAIT) {
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if (flameRGBTicks >= flameWaitUp) {
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flameRGBMode = FLAME_DOWN;
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}
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}
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if (flameRGBMode == FLAME_DOWN) {
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if (flameSpeedDown <= flameRGBI2Cpwm) {
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flameRGBI2Cpwm -= flameSpeedDown;
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} else {
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flameRGBI2Cpwm = 0x00;
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}
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push_queue(&setFlameRGBPWM);
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if (flameRGBI2Cpwm <= flameBrightnessMin) {
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flameRGBMode = FLAME_DOWN_WAIT;
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flameRGBTicks = 0;
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}
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}
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if (flameRGBMode == FLAME_DOWN_WAIT) {
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if (flameRGBTicks >= flameWaitDown) {
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flameRGBMode = FLAME_OFF;
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}
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}
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}
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void init_flame_rgb(void) {
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i2cInit(I2CMASTER); // Init I2C
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flameRGBEnabled = (flameRGBSetI2C(FLAME_I2C_CR_MODE1, 0x00) == I2CSTATE_ACK); // probe i2c and enable flame if present
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if (!flameRGBEnabled)
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return;
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// enable individual PWN and group PWN for LED0, LED3 and LED2 and disable LED1
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flameRGBSetI2C(FLAME_I2C_CR_LEDOUT, FLAME_I2C_LED0_GRP | FLAME_I2C_LED1_OFF | FLAME_I2C_LED2_GRP | FLAME_I2C_LED3_GRP);
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flameRGBSetI2C(FLAME_I2C_CR_GRPPWM, 0x00); // overall dimming
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push_queue(&setFlameRGBColor);
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enableConfig(CFG_TYPE_FLAME,1);
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}
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