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handle i2c through queue, probe i2c for flame

This commit is contained in:
kiu 2011-07-25 20:33:20 +02:00
parent 78f3f25937
commit 68b5afbe47
1 changed files with 26 additions and 20 deletions
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46
firmware/applications/flame.c
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@ -37,26 +37,29 @@ void ReinvokeISP(void);
/**************************************************************************/
void flameSetI2C(uint8_t cr, uint8_t value) {
uint8_t flameEnabled = 0;
uint8_t flameMode = FLAME_OFF;
uint8_t flameI2Cpwm = 0;
uint16_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;
i2cEngine();
return i2cEngine();
}
uint8_t flameMode = FLAME_OFF;
uint8_t flameI2Csend = 0;
uint8_t flameI2Cpwm = 0;
uint16_t flameTicks = 0;
void setFlamePWM() {
flameSetI2C(FLAME_I2C_CR_PWM0, flameI2Cpwm); // set pwm
}
void tick_flame(void) { // every 10ms
flameTicks++;
if (flameMode == FLAME_OFF) {
if (isNight()) {
if (isNight() && flameEnabled) {
flameTicks = 0;
flameMode = FLAME_UP;
}
@ -64,7 +67,7 @@ void tick_flame(void) { // every 10ms
if (flameMode == FLAME_UP) {
flameI2Cpwm++;
flameI2Csend = 1;
push_queue(&setFlamePWM);
if (flameI2Cpwm == 0xFF) {
flameMode = FLAME_UP_WAIT;
flameTicks = 0;
@ -79,7 +82,7 @@ void tick_flame(void) { // every 10ms
if (flameMode == FLAME_DOWN) {
flameI2Cpwm--;
flameI2Csend = 1;
push_queue(&setFlamePWM);
if (flameI2Cpwm == 0x00) {
flameMode = FLAME_DOWN_WAIT;
flameTicks = 0;
@ -97,18 +100,20 @@ 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
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) {
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!");
@ -116,6 +121,7 @@ void main_flame(void) {
ISPandReset();
}
work_queue();
}
return;