void configure_adc(
UINT8 ref, UINT8 samp_rate, UINT8 samp_time, UINT8 presc,
UINT8 ressel, UINT8 gain, UINT8 neg_ain, UINT8 ain
){
configure_global_ports();
enable_adc_clk();
adc_ptr = adc;
bankA_ptr = bankA;
disable_adc();
/*
BIN = (0xFFF)(V_in * GAIN / V_ref)
*/
adc_ptr->REFCTRL.reg |= ref; // Select a reference
adc_ptr->AVGCTRL.reg |= samp_rate; // Now collect a number
// of samples at a time.
// Total sampling time length = (SAMPLEN+1)*(Clk_ADC/2)
adc_ptr->SAMPCTRL.reg = samp_time; // Set sampling time
adc_ptr->CTRLB.reg |= presc << 8u; // Set clock prescaler
adc_ptr->CTRLB.reg |= ressel << 4; // Select resolution
adc_ptr->INPUTCTRL.reg |= gain << 24u; // Select Gain
adc_ptr->INPUTCTRL.reg |=
neg_ain << 8 // Map the negative terminal
| ain // Map the positive terminal
;
enable_adc();
}
int saradc_disable(void)
{
disable_adc();
disable_sample_engine();
return 0;
}
void sleep_avr()
{
// Disable analog to digital converter
disable_adc();
set_sleep_mode(SLEEP_MODE_PWR_DOWN); // replaces above statement
cli();
sleep_enable(); // Sets the Sleep Enable bit in the MCUCR Register (SE BIT)
sei(); // Enable interrupts
sleep_cpu(); // sleep
sleep_disable(); // Disable interrupts
// Enable global interrupts
sei();
}
void all_off(){
stop_timer();
unlock_stage = 0;
seconds = 0;
d_seconds = 0;
apply_led(0);
power_mode = MODE_OFF;
apply_power();
DRIVER_OFF;
OCR0B=0;
led_selected = 0;
old_led_selected = 0;
disable_adc();
clean_times_occured();
}
int main ()
{
// Disable the ADC
disable_adc();
// Watchdog timer reset safety check
wdt_reset_safety();
// Initialise watchdog timer
init_wdt();
// Identify input and output pins
init_pins();
// Buffer for text
char s[20];
// Setup direction and port for debug logging
STX_PORT |= 1<<STX_BIT;
STX_DDR |= 1<<STX_BIT;
// Initialise DSP
int i = 0;
for (; i < MAX_READINGS; i++) readings[i] = 0;
for (;;)
{
// Go to sleep
sleep_avr();
// Read VCC and convert to base 10 number
long vcc = read_vcc();
dsp(vcc);
utoa(average, s, 10);
// Output VCC to soft serial PIN STX_BIT
sputs(s);
sputs("\n\r");
if (average > FULL_CHARGE_MV)
{
init_wdt_05s();
blink();
}
else init_wdt();
}
}
static inline void saradc_power_control(int on)
{
if (on) {
#if MESON_CPU_TYPE >= MESON_CPU_TYPE_MESON8
enable_bandgap();
udelay(10);
#endif
enable_adc();
udelay(5);
enable_clock();
enable_sample_engine();
}
else {
disable_sample_engine();
disable_clock();
disable_adc();
#if MESON_CPU_TYPE >= MESON_CPU_TYPE_MESON8
disable_bandgap();
#endif
}
}
int main(void){
// PA0 - ADC IN
// PA2 - RED
// PA3 - GREEN
// PA4 - BLUE
// PA7(OC0B) - PWM output.
// PB0 - out (EN)
// PB1 - hall1, PB2 - hall2
DDRA = 0b11111110;
PORTA = 0b00000000;
DDRB = 0b0001;
PORTB = 0b0110;
TCCR0A = (1 << COM0B1) | (1 << WGM00);// | (1 << WGM01); // PWM mode
TCCR0B = (1 << CS01); // clock source = CLK/8, start PWM
PCMSK1 = (1<<PCINT9) | (1<<PCINT10);
GIMSK = (1<<PCIE1);//interrupt on pin change0
ADMUX = 0b10000000; // ADC0 - int
apply_led(1);
DRIVER_ON;
OCR0B = 8;
_delay_ms(500);
all_off();
eeprom_read_block(&seconds_on, &nv_seconds_on, sizeof(seconds_on));
eeprom_read_block(×_on, &nv_times_on, sizeof(times_on) );
eeprom_read_block(&max_on, &nv_max_on, sizeof(max_on) );
prev_power_mode = MODE_OFF;
sei();
while(1){
// ADC8 = 330 - ~70 degrees Celcium
// 9V = 714
// 10V = 793
// 11V = 872
// 12V = 951
// 12.6V = 999
if(power_mode==MODE_OFF && unlock_stage==0){
seconds = 0;
d_seconds = 0;
stop_timer();
disable_adc();
set_sleep_mode(SLEEP_MODE_PWR_DOWN);
sleep_enable();
sleep_bod_disable();
sleep_cpu();
sleep_disable();
}
if(seconds>1 && power_mode==MODE_OFF){
all_off();
}
if(unlock_stage==0 && power_mode!=MODE_OFF){
if(d_seconds==0){
adc_channel = 0;
ADMUX = 0b10000000; // ADC0 - int
}
if(d_seconds==5){
adc_channel = 1;
ADMUX = 0b10100010; // int reference and temp sensor
}
if(seconds%2==0){
if(power_mode==MODE_LOW_VOLTAGE){
RED_ON;GREEN_OFF;BLUE_OFF;
}
if(power_mode==MODE_OVERTEMP){
RED_ON;GREEN_ON;BLUE_OFF;
}
}else{
if(power_mode==MODE_OVERTEMP||power_mode==MODE_LOW_VOLTAGE){
apply_led(0);
}
}
// if((seconds%5==0) && ADMUX == 0b10000000){ //measure voltage in active mode
if(adc_channel ==0 && d_seconds == 4){ //measure voltage in active mode
if(val<LIMIT_9V){
if(check_and_set_times(0)){
all_off();//completely discharged. turning off
}
}
else if(power_mode!=MODE_OVERTEMP && power_mode!=MODE_LOW_VOLTAGE && power_mode>=MODE_IDLE){ //show voltage always, except overtemp
if(val<((LIMIT_9V+LIMIT_10V)/2)){
if(power_mode>=MODE_LOW && check_and_set_times(1)){ // усвловие нужно, чтобы не задалбывать функцию - в ней будут логи
apply_led(0);
power_mode = MODE_LOW_VOLTAGE;//low voltage
apply_power();
}
}else if(val<LIMIT_10V){
if(led_selected==0 || check_and_set_times(2) ){
apply_led(1);
}
led_selected = 1;
}else if(val<LIMIT_11V){
if(led_selected==0 || check_and_set_times(3)){
apply_led(2);
}
led_selected = 2;
}else{
if(led_selected==0 || check_and_set_times(4)){
apply_led(3);
}
led_selected = 3;
}
}
}
while(d_seconds==4){}
if(adc_channel ==1 && d_seconds == 8){ //measure temp in active mode
if(val>330 && power_mode>=MODE_LOW && check_and_set_times(5)){// усвловие нужно, чтобы не задалбывать функцию - в ней будут логи
power_mode = MODE_OVERTEMP;
apply_power(); //overtemp. reduce current cunsumption
}
}
while(d_seconds==8){}
if(power_mode==MODE_IDLE && seconds>=7200){ //выключение через два часа из режима простоя
all_off();
}
// if(seconds==0 && d_seconds<5 && power_mode>=MODE_LOW){
// GIMSK = 0;//вырубим прерывания на первые 500мс, чтобы не кнопать кнопкой сильно часто
// }else{
// GIMSK = (1<<PCIE1);//interrupt on pin change0
// }
}
}
}
