crashtest-r0ket/firmware/applications/flame.c

115 lines
2.3 KiB
C

/*
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_UP 0x01
#define FLAME_UP_WAIT 0x02
#define FLAME_DOWN 0x03
#define FLAME_DOWN_WAIT 0x04
void ReinvokeISP(void);
/**************************************************************************/
void flameSetI2C(uint8_t cr, uint8_t value) {
I2CMasterBuffer[0] = FLAME_I2C_WRITE;
I2CMasterBuffer[1] = cr;
I2CMasterBuffer[2] = value;
I2CWriteLength = 3;
I2CReadLength = 0;
i2cEngine();
}
uint8_t flameMode = FLAME_UP;
uint8_t flameI2Csend = 0;
uint8_t flameI2Cpwm = 0;
uint16_t flameTicks = 0;
void tick_flame(void) { // every 10ms
flameTicks++;
if (flameMode == FLAME_UP) {
flameI2Cpwm++;
flameI2Csend = 1;
if (flameI2Cpwm == 0xFF) {
flameMode = FLAME_UP_WAIT;
flameTicks = 0;
}
}
if (flameMode == FLAME_UP_WAIT) {
if (flameTicks > 0x1FF) {
flameMode = FLAME_DOWN;
}
}
if (flameMode == FLAME_DOWN) {
flameI2Cpwm--;
flameI2Csend = 1;
if (flameI2Cpwm == 0x00) {
flameMode = FLAME_DOWN_WAIT;
flameTicks = 0;
}
}
if (flameMode == FLAME_DOWN_WAIT) {
if (flameTicks > 0xFF) {
flameMode = FLAME_UP;
}
}
}
void main_flame(void) {
i2cInit(I2CMASTER); // Init I2C
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) {
delayms(20);
if (flameI2Csend == 1) {
flameI2Csend = 0;
flameSetI2C(FLAME_I2C_CR_PWM0, flameI2Cpwm); // set pwm
}
char key = getInput();
if (key == BTN_ENTER) {
DoString(0,50,"ISP!");
lcdDisplay();
ISPandReset();
}
}
return;
}