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/*
flame m0dul - https://github.com/kiu/flame
*/
#include "basic/basic.h"
#include "core/i2c/i2c.h"
#define FLAME_I2C_WRITE 0xC4
#define FLAME_I2C_READ 0xC5
#define FLAME_I2C_CR_INPUT 0x00
#define FLAME_I2C_CR_PSC0 0x01
#define FLAME_I2C_CR_PWM0 0x02
#define FLAME_I2C_CR_PSC1 0x03
#define FLAME_I2C_CR_PWM1 0x04
#define FLAME_I2C_CR_LS0 0x05
#define FLAME_I2C_LS0_OFF 0x00
#define FLAME_I2C_LS0_ON 0x01
#define FLAME_I2C_LS0_PWM0 0x02
#define FLAME_I2C_LS0_PWM1 0x03
#define FLAME_I2C_LS0_LED0 0x00
#define FLAME_I2C_LS0_LED1 0x02
#define FLAME_I2C_LS0_LED2 0x04
#define FLAME_I2C_LS0_LED3 0x06
#define FLAME_OFF 0x00
#define FLAME_UP 0x01
#define FLAME_UP_WAIT 0x02
#define FLAME_DOWN 0x03
#define FLAME_DOWN_WAIT 0x04
void ReinvokeISP(void);
/**************************************************************************/
//TODO SEC move to config
uint8_t flameBrightnessMax = 0xff;
uint8_t flameBrightnessMin = 0x00;
uint8_t flameSpeedUp = 0x01;
uint8_t flameSpeedDown = 0x01;
uint8_t flameWaitUp = 0xff;
uint8_t flameWaitDown = 0x8f;
//TODO SEC move to config
uint8_t flameEnabled = 0;
uint8_t flameMode = FLAME_OFF;
uint8_t flameI2Cpwm = 0;
uint8_t flameTicks = 0;
uint32_t flameSetI2C(uint8_t cr, uint8_t value) {
I2CMasterBuffer[0] = FLAME_I2C_WRITE;
I2CMasterBuffer[1] = cr;
I2CMasterBuffer[2] = value;
I2CWriteLength = 3;
I2CReadLength = 0;
return i2cEngine();
}
void setFlamePWM() {
flameSetI2C(FLAME_I2C_CR_PWM0, flameI2Cpwm); // set pwm
}
void tick_flame(void) { // every 10ms
flameTicks++;
if (flameI2Cpwm > flameBrightnessMax) {
flameI2Cpwm = flameBrightnessMax;
}
if (flameI2Cpwm < flameBrightnessMin) {
flameI2Cpwm = flameBrightnessMin;
}
if (flameMode == FLAME_OFF) {
if (isNight() && flameEnabled) {
flameTicks = 0;
flameMode = FLAME_UP;
}
}
if (flameMode == FLAME_UP) {
if (0xFF - flameI2Cpwm >= flameSpeedUp) {
flameI2Cpwm += flameSpeedUp;
} else {
flameI2Cpwm = 0xFF;
}
push_queue(&setFlamePWM);
if (flameI2Cpwm >= flameBrightnessMax) {
flameMode = FLAME_UP_WAIT;
flameTicks = 0;
}
}
if (flameMode == FLAME_UP_WAIT) {
if (flameTicks >= flameWaitUp) {
flameMode = FLAME_DOWN;
}
}
if (flameMode == FLAME_DOWN) {
if (flameSpeedDown <= flameI2Cpwm) {
flameI2Cpwm -= flameSpeedDown;
} else {
flameI2Cpwm = 0x00;
}
push_queue(&setFlamePWM);
if (flameI2Cpwm <= flameBrightnessMin) {
flameMode = FLAME_DOWN_WAIT;
flameTicks = 0;
}
}
if (flameMode == FLAME_DOWN_WAIT) {
if (flameTicks >= flameWaitDown) {
flameMode = FLAME_OFF;
}
}
}
void main_flame(void) {
i2cInit(I2CMASTER); // Init I2C
flameEnabled = (flameSetI2C(FLAME_I2C_CR_LS0, FLAME_I2C_LS0_OFF << FLAME_I2C_LS0_LED0) == I2CSTATE_ACK); // probe i2c
if (flameEnabled) {
flameSetI2C(FLAME_I2C_CR_LS0, FLAME_I2C_LS0_OFF << FLAME_I2C_LS0_LED0); // set led0 off
flameSetI2C(FLAME_I2C_CR_LS0, FLAME_I2C_LS0_OFF << FLAME_I2C_LS0_LED1); // set led1 off
flameSetI2C(FLAME_I2C_CR_LS0, FLAME_I2C_LS0_OFF << FLAME_I2C_LS0_LED2); // set led2 off
flameSetI2C(FLAME_I2C_CR_LS0, FLAME_I2C_LS0_OFF << FLAME_I2C_LS0_LED3); // set led3 off
flameSetI2C(FLAME_I2C_CR_PSC0, 0x00); // set prescaler
flameSetI2C(FLAME_I2C_CR_PWM0, 0x00); // set pwm
flameSetI2C(FLAME_I2C_CR_LS0, FLAME_I2C_LS0_PWM0 << FLAME_I2C_LS0_LED0); // set led0 to pwm
}
while (1) {
char key = getInput();
if (key == BTN_ENTER) {
DoString(0,50,"ISP!");
lcdDisplay();
ISPandReset();
}
work_queue();
}
return;
}
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