Copyright + License; reformatting
This commit is contained in:
parent
83d0be68bb
commit
b48cafe7f9
717
firmware/main.c
717
firmware/main.c
@ -1,18 +1,33 @@
|
||||
/** SenseoControl 2.0
|
||||
/*****************************************************************************
|
||||
* SenseoControl 2.0 *
|
||||
* Copyright (C) 2013-2018 Stefan Kalscheuer *
|
||||
* *
|
||||
* This program is free software: you can redistribute it and/or modify *
|
||||
* it under the terms of the GNU General Public License as published by *
|
||||
* the Free Software Foundation version 3. *
|
||||
* *
|
||||
* This program is distributed in the hope that it will be useful, *
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
||||
* GNU General Public License for more details. *
|
||||
* *
|
||||
* You should have received a copy of the GNU General Public License *
|
||||
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
|
||||
*****************************************************************************/
|
||||
|
||||
/**
|
||||
* SenseoControl 2.0
|
||||
*
|
||||
* File: main.c
|
||||
* Author: Stefan Kalscheuer
|
||||
* Date: 22.04.2013
|
||||
* Comments: Main program
|
||||
* Previous project by Paul Wilhelm (2009) - http://mosfetkiller.de/?s=kaffeecontroller
|
||||
* @file main.c
|
||||
* @author Stefan Kalscheuer
|
||||
* @date 2013-04-22
|
||||
* @brief Main program
|
||||
*
|
||||
* Platform: ATtiny26
|
||||
* Internal RC-oscillator 8 MHz, CKDIV8 Enabled
|
||||
*
|
||||
* License: GNU GPL v3 (see License.txt)
|
||||
*/
|
||||
|
||||
#define F_CPU 1000000UL
|
||||
#define F_CPU 1000000UL
|
||||
|
||||
// includes
|
||||
#include <util/delay.h>
|
||||
@ -21,400 +36,346 @@
|
||||
#include <stdbool.h>
|
||||
#include "main.h"
|
||||
|
||||
// variables:
|
||||
volatile unsigned int time_counter, user_time_counter = 0, sec_counter = 0; // global and universal time counter (ms) and second-counter (for AutoOff)
|
||||
volatile unsigned int button_1_cup_counter = 0, button_2_cup_counter = 0; // button counter
|
||||
// variables:
|
||||
volatile unsigned int time_counter, user_time_counter = 0, sec_counter = 0; // Global and universal time counter (ms) and second-counter (for AutoOff).
|
||||
volatile unsigned int button_1_cup_counter = 0, button_2_cup_counter = 0; // Button counter.
|
||||
volatile unsigned char button_power_counter = 0;
|
||||
volatile unsigned char led = 0; // LED status flags
|
||||
volatile bool water = false, temperature = false, make_clean = false; // water-, temperature-, clean-flags
|
||||
volatile unsigned char make_coffee = 0, pump_time = 0; // pump time, clean mode flag
|
||||
volatile unsigned char led = 0; // LED status flags.
|
||||
volatile bool water = false, temperature = false, make_clean = false; // Water-, temperature-, clean-flags.
|
||||
volatile unsigned char make_coffee = 0, pump_time = 0; // Pump time, clean mode flag.
|
||||
|
||||
int main (void)
|
||||
{
|
||||
init (); // initialization
|
||||
power_off (); // power off after init sequece
|
||||
/**
|
||||
* Main program.
|
||||
*
|
||||
* @return This method should never terminate.
|
||||
*/
|
||||
int main(void) {
|
||||
init(); // Initialization.
|
||||
power_off(); // Power off after init sequece.
|
||||
|
||||
while (1) // main loop
|
||||
{
|
||||
if (sec_counter >= AUTO_OFF_THRESHOLD)
|
||||
button_power_counter = BUTTON_THRESHOLD; // check for AutoOff Timer (generate OnOff-button push)
|
||||
while (1) { // Main loop.
|
||||
if (sec_counter >= AUTO_OFF_THRESHOLD)
|
||||
button_power_counter = BUTTON_THRESHOLD; // Check for AutoOff Timer (generate OnOff-button push).
|
||||
|
||||
water = get_water (); // update water state
|
||||
temperature = get_temperature (); // update temperature
|
||||
water = get_water(); // update water state
|
||||
temperature = get_temperature(); // update temperature
|
||||
|
||||
if (button_power_counter >= BUTTON_THRESHOLD) // button "OnOff" pushed:
|
||||
{
|
||||
set_bit(TRIAC_BOILER_w, TRIAC_BOILER_pin); // Boiler off
|
||||
make_coffee = 0; // clear coffee flag
|
||||
if (button_power_counter >= BUTTON_THRESHOLD) { // button "OnOff" pushed:
|
||||
set_bit(TRIAC_BOILER_w, TRIAC_BOILER_pin); // Boiler off
|
||||
make_coffee = 0; // clear coffee flag
|
||||
|
||||
while (button_power_counter > 0)
|
||||
; // wait until button is releasd (debounce)
|
||||
while (button_power_counter >
|
||||
0); // wait until button is releasd (debounce)
|
||||
|
||||
power_off (); // call power off sequence
|
||||
power_off(); // call power off sequence
|
||||
|
||||
button_power_counter = BUTTON_THRESHOLD; // debounce again after wake up
|
||||
while (button_power_counter > 0)
|
||||
;
|
||||
}
|
||||
|
||||
if (button_1_cup_counter >= BUTTON_CLEAN_THR
|
||||
&& button_2_cup_counter >= BUTTON_CLEAN_THR) // both coffee buttons pushed: clean mode:
|
||||
{
|
||||
make_clean = true; // clean flag true
|
||||
led = BLUE; // set blue LED
|
||||
while (button_1_cup_counter > 0 && button_2_cup_counter > 0)
|
||||
; // debounce buttons
|
||||
}
|
||||
|
||||
else if (button_1_cup_counter >= BUTTON_THRESHOLD
|
||||
&& button_2_cup_counter < BUTTON_THRESHOLD) // left coffee button pushed: call espresso
|
||||
{
|
||||
sec_counter = 0; // reset AutoOff counter
|
||||
|
||||
if (water && temperature) // machine ready:
|
||||
{
|
||||
while (button_1_cup_counter > 0) // check if button is pushed long time
|
||||
{
|
||||
if (button_1_cup_counter > BUTTON_LONG_THR) // button pushed for a long time:
|
||||
{
|
||||
make_coffee = 1; // set coffee flag to 1 (1 espresso)
|
||||
button_1_cup_counter = 0; // clear button counter
|
||||
}
|
||||
button_power_counter = BUTTON_THRESHOLD; // debounce again after wake up
|
||||
while (button_power_counter > 0);
|
||||
}
|
||||
if (make_coffee != 1)
|
||||
make_coffee = 3; // set coffee flag to 3 (1 coffee) else
|
||||
}
|
||||
else if(COFFEE_WISH) { // Save coffee wish
|
||||
make_coffee = 3;
|
||||
}
|
||||
}
|
||||
|
||||
else if (button_1_cup_counter < BUTTON_THRESHOLD
|
||||
&& button_2_cup_counter >= BUTTON_THRESHOLD) // right coffee button pushed: call coffee
|
||||
{
|
||||
sec_counter = 0; // reset AutoOff counter
|
||||
if (button_1_cup_counter >= BUTTON_CLEAN_THR && button_2_cup_counter >= BUTTON_CLEAN_THR) {
|
||||
// Both coffee buttons pushed: enter clean mode.
|
||||
make_clean = true; // Set clean flag.
|
||||
led = BLUE; // Set blue LED.
|
||||
while (button_1_cup_counter > 0 && button_2_cup_counter > 0); // Debounce buttons.
|
||||
} else if (button_1_cup_counter >= BUTTON_THRESHOLD && button_2_cup_counter < BUTTON_THRESHOLD) {
|
||||
// Left coffee button pushed: call espresso.
|
||||
sec_counter = 0; // Reset AutoOff counter.
|
||||
|
||||
if (water && temperature) // machine ready:
|
||||
{
|
||||
while (button_2_cup_counter > 0) // check if button is pushed long time
|
||||
{
|
||||
if (button_2_cup_counter > BUTTON_LONG_THR) // button pushed for a long time:
|
||||
{
|
||||
make_coffee = 2; // set coffee flag to 2 (2 espresso)
|
||||
button_2_cup_counter = 0; // clear button counter
|
||||
}
|
||||
}
|
||||
if (make_coffee != 2)
|
||||
make_coffee = 4; // set coffee flag to 4 (2 coffee) else
|
||||
}
|
||||
else if(COFFEE_WISH) { // Save coffee wish
|
||||
make_coffee = 4;
|
||||
}
|
||||
}
|
||||
|
||||
if (water) // water OK:
|
||||
{
|
||||
if (make_clean) // if clean-flag is set:
|
||||
{
|
||||
set_bit(TRIAC_BOILER_w, TRIAC_BOILER_pin); // boiler off
|
||||
bool escape = false; // init escape-flag
|
||||
while (water && !escape)
|
||||
{ // pump until water is empty or escape flag is set
|
||||
|
||||
unsigned int sense = detect_zero_crossing (); // detect zero crossing
|
||||
if (sense <= 100)
|
||||
{
|
||||
clear_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin); // generate trigger impulse for pump triac
|
||||
_delay_ms (3);
|
||||
set_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin);
|
||||
}
|
||||
water = get_water (); // update water state
|
||||
|
||||
if (button_power_counter > BUTTON_THRESHOLD)
|
||||
escape = true; // check for power button counter and set escape flag
|
||||
}
|
||||
make_clean = false; // clear clean flag
|
||||
}
|
||||
|
||||
else if (temperature) // temperature OK:
|
||||
{
|
||||
set_bit(TRIAC_BOILER_w, TRIAC_BOILER_pin); // boiler off
|
||||
|
||||
led = GREEN; // set green LED
|
||||
|
||||
if (make_coffee > 0) // if coffee flag is set:
|
||||
{
|
||||
if (make_coffee < 3)
|
||||
led = ORANGE_BLINK; // set orange LED blink
|
||||
else
|
||||
led = GREEN_BLINK; // set green LED blink
|
||||
|
||||
if (make_coffee == 1)
|
||||
pump_time = TIME_1_ESPRESSO; // 1 cup of espresso (2s preinfusion included)
|
||||
else if (make_coffee == 2)
|
||||
pump_time = TIME_2_ESPRESSO; // 2 cups of espresso (2s preinfusion included)
|
||||
else if (make_coffee == 3)
|
||||
pump_time = TIME_1_COFFEE; // 1 cup of coffee
|
||||
else if (make_coffee == 4)
|
||||
pump_time = TIME_2_COFFEE; // 2 cups of coffee
|
||||
else
|
||||
make_coffee = 0;
|
||||
|
||||
user_time_counter = 0; // reset user time counter
|
||||
bool escape = false; // init escape flag
|
||||
while (user_time_counter < (pump_time * 1000) && water && !escape)
|
||||
{ // loop until pump time is reached or water is empty
|
||||
if (make_coffee > 2
|
||||
|| (user_time_counter < 2000 || user_time_counter > 4000))
|
||||
{ // check for preinfusion break
|
||||
unsigned int sense = detect_zero_crossing (); // detect zero crossing
|
||||
if (sense <= 100)
|
||||
{
|
||||
clear_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin); // generate trigger impulse for pump triac
|
||||
_delay_ms (3);
|
||||
set_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin);
|
||||
}
|
||||
if (water && temperature) { // Machine ready:
|
||||
while (button_1_cup_counter > 0) { // Check if button is pushed long time.
|
||||
if (button_1_cup_counter > BUTTON_LONG_THR) { // Button pushed for a long time:
|
||||
make_coffee = 1; // Set coffee flag to 1 (1 espresso).
|
||||
button_1_cup_counter = 0; // Clear button counter.
|
||||
}
|
||||
}
|
||||
if (make_coffee != 1) {
|
||||
make_coffee = 3; // Set coffee flag to 3 (1 coffee) otherwise.
|
||||
}
|
||||
} else if (COFFEE_WISH) { // Save coffee wish.
|
||||
make_coffee = 3;
|
||||
}
|
||||
} else if (button_1_cup_counter < BUTTON_THRESHOLD && button_2_cup_counter >= BUTTON_THRESHOLD) {
|
||||
// Right coffee button pushed: call coffee.
|
||||
sec_counter = 0; // Reset AutoOff counter.
|
||||
|
||||
water = get_water (); // update water state
|
||||
|
||||
if (button_power_counter > BUTTON_THRESHOLD)
|
||||
escape = true; // check for power button counter and set escape flag
|
||||
}
|
||||
|
||||
set_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin); // pump off
|
||||
|
||||
make_coffee = 0; // clear coffee flag
|
||||
|
||||
sec_counter = 0; // reset AutoOff timer
|
||||
if (water && temperature) { // machine ready:
|
||||
while (button_2_cup_counter > 0) { // Check if button is pushed long time.
|
||||
if (button_2_cup_counter > BUTTON_LONG_THR) { // Button pushed for a long time:
|
||||
make_coffee = 2; // Set coffee flag to 2 (2 espresso).
|
||||
button_2_cup_counter = 0; // Clear button counter.
|
||||
}
|
||||
}
|
||||
if (make_coffee != 2) {
|
||||
make_coffee = 4; // Set coffee flag to 4 (2 coffee) otherwise.
|
||||
}
|
||||
} else if (COFFEE_WISH) { // Save coffee wish
|
||||
make_coffee = 4;
|
||||
}
|
||||
}
|
||||
}
|
||||
else // temperature too low:
|
||||
{
|
||||
clear_bit(TRIAC_BOILER_w, TRIAC_BOILER_pin); // boiler on
|
||||
if (make_coffee > 0) // set red/blue LED blink if coffee wish is saved
|
||||
led = VIOLET_BLINK;
|
||||
else // set red LED blink if no coffee wish is saved
|
||||
led = RED_BLINK;
|
||||
}
|
||||
}
|
||||
else // water too low:
|
||||
{
|
||||
set_bit(TRIAC_BOILER_w, TRIAC_BOILER_pin); // boiler off
|
||||
set_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin); // pump off
|
||||
|
||||
led = BLUE_BLINK; // set blue LED blink
|
||||
}
|
||||
if (water) { // Water OK:
|
||||
if (make_clean) { // If clean-flag is set:
|
||||
set_bit(TRIAC_BOILER_w, TRIAC_BOILER_pin); // Boiler off.
|
||||
bool escape = false; // Init escape-flag.
|
||||
while (water && !escape) { // Pump until water is empty or escape flag is set.
|
||||
unsigned int sense = detect_zero_crossing(); // Detect zero crossing.
|
||||
if (sense <= 100) {
|
||||
clear_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin); // Generate trigger impulse for pump triac.
|
||||
_delay_ms(3);
|
||||
set_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin);
|
||||
}
|
||||
water = get_water(); // Update water state.
|
||||
|
||||
}
|
||||
if (button_power_counter > BUTTON_THRESHOLD)
|
||||
escape = true; // Check power button counter and set escape flag.
|
||||
}
|
||||
make_clean = false; // Clear clean flag.
|
||||
} else if (temperature) { // Temperature OK:
|
||||
set_bit(TRIAC_BOILER_w, TRIAC_BOILER_pin); // Boiler off.
|
||||
|
||||
led = GREEN; // Set green LED.
|
||||
|
||||
if (make_coffee > 0) { // If coffee flag is set:
|
||||
if (make_coffee < 3) {
|
||||
led = ORANGE_BLINK; // Set orange LED blink for espresso.
|
||||
} else {
|
||||
led = GREEN_BLINK; // Set green LED blink for coffee.
|
||||
}
|
||||
|
||||
if (make_coffee == 1) {
|
||||
pump_time = TIME_1_ESPRESSO; // 1 cup of espresso (2s preinfusion included).
|
||||
} else if (make_coffee == 2) {
|
||||
pump_time = TIME_2_ESPRESSO; // 2 cups of espresso (2s preinfusion included).
|
||||
} else if (make_coffee == 3) {
|
||||
pump_time = TIME_1_COFFEE; // 1 cup of coffee.
|
||||
} else if (make_coffee == 4) {
|
||||
pump_time = TIME_2_COFFEE; // 2 cups of coffee.
|
||||
} else {
|
||||
make_coffee = 0;
|
||||
}
|
||||
|
||||
user_time_counter = 0; // Reset user time counter.
|
||||
bool escape = false; // Init escape flag.
|
||||
|
||||
// loop until pump time is reached or water is empty
|
||||
while (user_time_counter < (pump_time * 1000) && water && !escape) {
|
||||
// Check for preinfusion break.
|
||||
if (make_coffee > 2 || (user_time_counter < 2000 || user_time_counter > 4000)) {
|
||||
unsigned int sense = detect_zero_crossing(); // Detect zero crossing.
|
||||
if (sense <= 100) {
|
||||
clear_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin); // Generate trigger impulse for pump triac.
|
||||
_delay_ms(3);
|
||||
set_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin);
|
||||
}
|
||||
}
|
||||
|
||||
water = get_water(); // Update water state.
|
||||
|
||||
if (button_power_counter > BUTTON_THRESHOLD) {
|
||||
escape = true; // Check for power button counter and set escape flag.
|
||||
}
|
||||
}
|
||||
|
||||
set_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin); // Pump off
|
||||
make_coffee = 0; // Clear coffee flag.
|
||||
sec_counter = 0; // Reset AutoOff timer.
|
||||
}
|
||||
} else { // Temperature too low.
|
||||
clear_bit(TRIAC_BOILER_w, TRIAC_BOILER_pin); // Boiler on.
|
||||
if (make_coffee > 0) { // Set red/blue LED blink if coffee wish is saved.
|
||||
led = VIOLET_BLINK;
|
||||
} else { // Set red LED blink if no coffee wish is saved.
|
||||
led = RED_BLINK;
|
||||
}
|
||||
}
|
||||
} else { // Water too low:
|
||||
set_bit(TRIAC_BOILER_w, TRIAC_BOILER_pin); // Boiler off.
|
||||
set_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin); // Pump off.
|
||||
led = BLUE_BLINK; // Set blue LED blink.
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* function: init()
|
||||
* return: void
|
||||
*
|
||||
/**
|
||||
* Initializes relevant bits, timer and ADC.
|
||||
*/
|
||||
void init ()
|
||||
{
|
||||
clear_bit(ZERO_CROSSING_ddr, ZERO_CROSSING_pin); // zero crossing dection pins as input
|
||||
clear_bit(ZERO_CROSSING_w, ZERO_CROSSING_pin); // no internal pull-up (for ADC)
|
||||
void init() {
|
||||
clear_bit(ZERO_CROSSING_ddr, ZERO_CROSSING_pin); // Zero crossing dection pins as input-
|
||||
clear_bit(ZERO_CROSSING_w, ZERO_CROSSING_pin); // No internal pull-up (for ADC).
|
||||
|
||||
clear_bit(BUTTON_1_CUP_ddr, BUTTON_1_CUP_pin); // button pins as input
|
||||
set_bit(BUTTON_1_CUP_w, BUTTON_1_CUP_pin); // activate internal pull-ups
|
||||
clear_bit(BUTTON_2_CUP_ddr, BUTTON_2_CUP_pin);
|
||||
set_bit(BUTTON_2_CUP_w, BUTTON_2_CUP_pin);
|
||||
clear_bit(BUTTON_POWER_ddr, BUTTON_POWER_pin);
|
||||
set_bit(BUTTON_POWER_w, BUTTON_POWER_pin);
|
||||
clear_bit(BUTTON_1_CUP_ddr, BUTTON_1_CUP_pin); // Button pins as input.
|
||||
set_bit(BUTTON_1_CUP_w, BUTTON_1_CUP_pin); // Activate internal pull-ups.
|
||||
clear_bit(BUTTON_2_CUP_ddr, BUTTON_2_CUP_pin);
|
||||
set_bit(BUTTON_2_CUP_w, BUTTON_2_CUP_pin);
|
||||
clear_bit(BUTTON_POWER_ddr, BUTTON_POWER_pin);
|
||||
set_bit(BUTTON_POWER_w, BUTTON_POWER_pin);
|
||||
|
||||
set_bit(LED_RED_ddr, LED_RED_pin); // LED pins as output
|
||||
clear_bit(LED_RED_w, LED_RED_pin); // clear outputs (LEDs off)
|
||||
set_bit(LED_GREEN_ddr, LED_GREEN_pin);
|
||||
clear_bit(LED_GREEN_w, LED_GREEN_pin);
|
||||
set_bit(LED_BLUE_ddr, LED_BLUE_pin);
|
||||
clear_bit(LED_BLUE_w, LED_BLUE_pin);
|
||||
|
||||
clear_bit(SENSOR_MAGNET_ddr, SENSOR_MAGNET_pin); // sensor pins as input
|
||||
clear_bit(SENSOR_MAGNET_w, SENSOR_MAGNET_pin); // no internal pull-up (for ADC)
|
||||
clear_bit(SENSOR_TEMP_ddr, SENSOR_TEMP_pin);
|
||||
clear_bit(SENSOR_TEMP_w, SENSOR_TEMP_pin);
|
||||
|
||||
set_bit(TRIAC_BOILER_ddr, TRIAC_BOILER_pin); // triac pins as output
|
||||
set_bit(TRIAC_BOILER_w, TRIAC_BOILER_pin); // set outputs high (triac off)
|
||||
set_bit(TRIAC_PUMP_ddr, TRIAC_PUMP_pin);
|
||||
set_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin);
|
||||
|
||||
ADCSR = (1 << ADEN) | (1 << ADPS1); // enable ADC, prescaler division factor 4
|
||||
|
||||
// TIMER1
|
||||
set_bit(TCCR1B, CTC1); // set timer 1 to CTC-Mode
|
||||
clear_bit(TCCR1B, CS11); // prescaler 8
|
||||
set_bit(TCCR1B, CS12);
|
||||
clear_bit(TCCR1B, CS11);
|
||||
clear_bit(TCCR1B, CS10);
|
||||
OCR1C = 124; // period of 1 ms
|
||||
|
||||
cli (); // disable interrupts
|
||||
|
||||
clear_bit(GIMSK, INT0); // disable interrupt 0
|
||||
|
||||
set_bit(TIMSK, TOIE1); // activate timer 1
|
||||
|
||||
sei (); // enable interrupts
|
||||
}
|
||||
|
||||
/* function: power_off()
|
||||
* return: void
|
||||
*
|
||||
* Clear bits and set controller to sleep mode.
|
||||
*/
|
||||
void power_off ()
|
||||
{
|
||||
cli (); // disable interrupts
|
||||
set_bit(GIMSK, INT0); // activate interrupt 0 (for wake-up)
|
||||
clear_bit(TIMSK, TOIE1); // deactivate timer 1
|
||||
sei (); // enable interrupts
|
||||
|
||||
clear_bit(LED_RED_w, LED_RED_pin); // clear LED outputs
|
||||
clear_bit(LED_GREEN_w, LED_GREEN_pin);
|
||||
clear_bit(LED_BLUE_w, LED_BLUE_pin);
|
||||
|
||||
set_bit(MCUCR, SM1); // activate power-down mode
|
||||
clear_bit(MCUCR, SM0);
|
||||
set_bit(MCUCR, SE);
|
||||
asm volatile("sleep"::);
|
||||
|
||||
// entrance after wake-up:
|
||||
time_counter = 0; // reset counter
|
||||
sec_counter = 0;
|
||||
cli (); // disable interrupts
|
||||
clear_bit(GIMSK, INT0); // disable interrupt 0
|
||||
set_bit(TIMSK, TOIE1); // enable timer 1
|
||||
sei (); // enable interrupts
|
||||
}
|
||||
|
||||
/* function: get_water()
|
||||
* return: true water OK
|
||||
* false not enough water
|
||||
*
|
||||
* Checks hall sensor for water state.
|
||||
*/
|
||||
bool get_water ()
|
||||
{
|
||||
ADMUX = SENSOR_MAGNET_adc | (1 << ADLAR); // ADLAR
|
||||
set_bit(ADCSR, ADSC);
|
||||
loop_until_bit_is_clear (ADCSR, ADSC);
|
||||
unsigned char sense = ADCH;
|
||||
if ((water && sense > WATER_LOW) || (!water && sense >= WATER_OK))
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
/* function: get_temperature()
|
||||
* return: true temperature OK
|
||||
* false temperature too low
|
||||
*
|
||||
* Checks NTC sensor for temperature state.
|
||||
*/
|
||||
bool get_temperature ()
|
||||
{
|
||||
ADMUX = SENSOR_TEMP_adc | (1 << ADLAR); // ADLAR
|
||||
set_bit(ADCSR, ADSC);
|
||||
loop_until_bit_is_clear (ADCSR, ADSC);
|
||||
unsigned char sense = ADCH;
|
||||
if (sense >= OPERATING_TEMPERATURE)
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
/* function: detect_zero_crossing()
|
||||
* return: unsigned int ADC value
|
||||
*
|
||||
* Checks for zero crossing (with fixed offset)
|
||||
*/
|
||||
unsigned int detect_zero_crossing ()
|
||||
{
|
||||
ADMUX = ZERO_CROSSING_adc;
|
||||
set_bit(ADCSR, ADSC);
|
||||
loop_until_bit_is_clear (ADCSR, ADSC);
|
||||
unsigned char sense_L = ADCL;
|
||||
unsigned char sense_H = ADCH;
|
||||
return (sense_H << 8) | sense_L;
|
||||
}
|
||||
|
||||
/* interrupt function: INT0_vect
|
||||
*
|
||||
* Dummy function for wake-up.
|
||||
*/
|
||||
ISR ( INT0_vect)
|
||||
{
|
||||
}
|
||||
|
||||
/* interrupt function: TIMER1_OVF1_vect
|
||||
*
|
||||
* Timer interrupt. Increments counters and controls LED.
|
||||
*/
|
||||
ISR ( TIMER1_OVF1_vect)
|
||||
{
|
||||
if (time_counter < 1000)
|
||||
time_counter++; // global milliseconds counter and seconds counter (for AutoOff)
|
||||
else
|
||||
{
|
||||
time_counter = 0;
|
||||
sec_counter++;
|
||||
}
|
||||
user_time_counter++; // universal counter (for pump time)
|
||||
|
||||
bool leds_blink_on; // status flag for blinking LEDs with 1Hz
|
||||
if (time_counter < 499)
|
||||
leds_blink_on = true;
|
||||
else
|
||||
leds_blink_on = false;
|
||||
|
||||
if (led & (1 << LED_RED_ON) || (led & (1 << LED_RED_BLINK) && leds_blink_on))
|
||||
set_bit(LED_RED_w, LED_RED_pin);
|
||||
else
|
||||
clear_bit(LED_RED_w, LED_RED_pin);
|
||||
if (led & (1 << LED_GREEN_ON)
|
||||
|| (led & (1 << LED_GREEN_BLINK) && leds_blink_on))
|
||||
set_bit(LED_GREEN_w, LED_GREEN_pin);
|
||||
else
|
||||
set_bit(LED_RED_ddr, LED_RED_pin); // LED pins as output.
|
||||
clear_bit(LED_RED_w, LED_RED_pin); // Clear outputs (LEDs off).
|
||||
set_bit(LED_GREEN_ddr, LED_GREEN_pin);
|
||||
clear_bit(LED_GREEN_w, LED_GREEN_pin);
|
||||
if (led & (1 << LED_BLUE_ON)
|
||||
|| (led & (1 << LED_BLUE_BLINK) && leds_blink_on))
|
||||
set_bit(LED_BLUE_w, LED_BLUE_pin);
|
||||
else
|
||||
set_bit(LED_BLUE_ddr, LED_BLUE_pin);
|
||||
clear_bit(LED_BLUE_w, LED_BLUE_pin);
|
||||
|
||||
if (bit_is_clear (BUTTON_1_CUP_r, BUTTON_1_CUP_pin))
|
||||
{ // left button counter
|
||||
if (button_1_cup_counter < 65535)
|
||||
button_1_cup_counter++;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (button_1_cup_counter > 0)
|
||||
button_1_cup_counter--;
|
||||
}
|
||||
clear_bit(SENSOR_MAGNET_ddr, SENSOR_MAGNET_pin); // Sensor pins as input.
|
||||
clear_bit(SENSOR_MAGNET_w, SENSOR_MAGNET_pin); // No internal pull-up (for ADC).
|
||||
clear_bit(SENSOR_TEMP_ddr, SENSOR_TEMP_pin);
|
||||
clear_bit(SENSOR_TEMP_w, SENSOR_TEMP_pin);
|
||||
|
||||
if (bit_is_clear (BUTTON_2_CUP_r, BUTTON_2_CUP_pin))
|
||||
{ // right button counter
|
||||
if (button_2_cup_counter < 65535)
|
||||
button_2_cup_counter++;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (button_2_cup_counter > 0)
|
||||
button_2_cup_counter--;
|
||||
}
|
||||
set_bit(TRIAC_BOILER_ddr, TRIAC_BOILER_pin); // Triac pins as output.
|
||||
set_bit(TRIAC_BOILER_w, TRIAC_BOILER_pin); // Set outputs high (triac off).
|
||||
set_bit(TRIAC_PUMP_ddr, TRIAC_PUMP_pin);
|
||||
set_bit(TRIAC_PUMP_w, TRIAC_PUMP_pin);
|
||||
|
||||
if (bit_is_clear (BUTTON_POWER_r, BUTTON_POWER_pin))
|
||||
{ // power button counter
|
||||
if (button_power_counter < 255)
|
||||
button_power_counter++;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (button_power_counter > 0)
|
||||
button_power_counter--;
|
||||
}
|
||||
ADCSR = (1 << ADEN) | (1 << ADPS1); // Enable ADC, prescaler division factor 4.
|
||||
|
||||
// TIMER1
|
||||
set_bit(TCCR1B, CTC1); // Set timer 1 to CTC-Mode.
|
||||
clear_bit(TCCR1B, CS11); // Prescaler 8.
|
||||
set_bit(TCCR1B, CS12);
|
||||
clear_bit(TCCR1B, CS11);
|
||||
clear_bit(TCCR1B, CS10);
|
||||
OCR1C = 124; // Period of 1 ms.
|
||||
|
||||
cli(); // Disable interrupts.
|
||||
clear_bit(GIMSK, INT0); // Disable interrupt 0.
|
||||
set_bit(TIMSK, TOIE1); // Activate timer 1.
|
||||
sei(); // Enable interrupts.
|
||||
}
|
||||
|
||||
/**
|
||||
* Clear bits and set controller to sleep mode.
|
||||
*/
|
||||
void power_off() {
|
||||
cli(); // Disable interrupts.
|
||||
set_bit(GIMSK, INT0); // Activate interrupt 0 (for wake-up).
|
||||
clear_bit(TIMSK, TOIE1); // Deactivate timer 1.
|
||||
sei(); // Re-enable interrupts.
|
||||
|
||||
clear_bit(LED_RED_w, LED_RED_pin); // Clear LED outputs.
|
||||
clear_bit(LED_GREEN_w, LED_GREEN_pin);
|
||||
clear_bit(LED_BLUE_w, LED_BLUE_pin);
|
||||
|
||||
set_bit(MCUCR, SM1); // Activate power-down mode.
|
||||
clear_bit(MCUCR, SM0);
|
||||
set_bit(MCUCR, SE);
|
||||
asm volatile("sleep"::);
|
||||
|
||||
// Entrance point after wake-up.
|
||||
time_counter = 0; // Reset counter.
|
||||
sec_counter = 0;
|
||||
cli(); // Disable interrupts.
|
||||
clear_bit(GIMSK, INT0); // Disable interrupt 0.
|
||||
set_bit(TIMSK, TOIE1); // Enable timer 1.
|
||||
sei(); // Re-enable interrupts.
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks hall sensor for water level.
|
||||
*
|
||||
* @return @c true if water level is OK, @c false otherwise.
|
||||
*/
|
||||
bool get_water() {
|
||||
ADMUX = SENSOR_MAGNET_adc | (1 << ADLAR);
|
||||
set_bit(ADCSR, ADSC);
|
||||
loop_until_bit_is_clear(ADCSR, ADSC);
|
||||
unsigned char sense = ADCH;
|
||||
if ((water && sense > WATER_LOW) || (!water && sense >= WATER_OK))
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks NTC sensor for temperature state.
|
||||
*
|
||||
* @return @c true if temperature is OK, @c false if it is too low
|
||||
*/
|
||||
bool get_temperature() {
|
||||
ADMUX = SENSOR_TEMP_adc | (1 << ADLAR);
|
||||
set_bit(ADCSR, ADSC);
|
||||
loop_until_bit_is_clear(ADCSR, ADSC);
|
||||
unsigned char sense = ADCH;
|
||||
if (sense >= OPERATING_TEMPERATURE)
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks for zero crossing (with fixed offset)
|
||||
*
|
||||
* @return Raw ADC value.
|
||||
*/
|
||||
unsigned int detect_zero_crossing() {
|
||||
ADMUX = ZERO_CROSSING_adc;
|
||||
set_bit(ADCSR, ADSC);
|
||||
loop_until_bit_is_clear(ADCSR, ADSC);
|
||||
unsigned char sense_L = ADCL;
|
||||
unsigned char sense_H = ADCH;
|
||||
return (sense_H << 8) | sense_L;
|
||||
}
|
||||
|
||||
/**
|
||||
* Dummy function for wake-up.
|
||||
*/
|
||||
ISR ( INT0_vect) {
|
||||
// Nothing to do here.
|
||||
}
|
||||
|
||||
/**
|
||||
* Timer interrupt. Increments counters and controls LED.
|
||||
*/
|
||||
ISR ( TIMER1_OVF1_vect) {
|
||||
if (time_counter < 1000)
|
||||
time_counter++; // Global milliseconds counter and seconds counter (for AutoOff).
|
||||
else {
|
||||
time_counter = 0;
|
||||
sec_counter++;
|
||||
}
|
||||
user_time_counter++; // Universal counter (for pump time).
|
||||
|
||||
bool leds_blink_on; // Status flag for blinking LEDs with 1Hz.
|
||||
if (time_counter < 499)
|
||||
leds_blink_on = true;
|
||||
else
|
||||
leds_blink_on = false;
|
||||
|
||||
if (led & (1 << LED_RED_ON) || (led & (1 << LED_RED_BLINK) && leds_blink_on))
|
||||
set_bit(LED_RED_w, LED_RED_pin);
|
||||
else
|
||||
clear_bit(LED_RED_w, LED_RED_pin);
|
||||
if (led & (1 << LED_GREEN_ON)
|
||||
|| (led & (1 << LED_GREEN_BLINK) && leds_blink_on))
|
||||
set_bit(LED_GREEN_w, LED_GREEN_pin);
|
||||
else
|
||||
clear_bit(LED_GREEN_w, LED_GREEN_pin);
|
||||
if (led & (1 << LED_BLUE_ON)
|
||||
|| (led & (1 << LED_BLUE_BLINK) && leds_blink_on))
|
||||
set_bit(LED_BLUE_w, LED_BLUE_pin);
|
||||
else
|
||||
clear_bit(LED_BLUE_w, LED_BLUE_pin);
|
||||
|
||||
if (bit_is_clear(BUTTON_1_CUP_r, BUTTON_1_CUP_pin)) { // Left button counter.
|
||||
if (button_1_cup_counter < 65535)
|
||||
button_1_cup_counter++;
|
||||
} else {
|
||||
if (button_1_cup_counter > 0)
|
||||
button_1_cup_counter--;
|
||||
}
|
||||
|
||||
if (bit_is_clear(BUTTON_2_CUP_r, BUTTON_2_CUP_pin)) { // Right button counter.
|
||||
if (button_2_cup_counter < 65535)
|
||||
button_2_cup_counter++;
|
||||
} else {
|
||||
if (button_2_cup_counter > 0)
|
||||
button_2_cup_counter--;
|
||||
}
|
||||
|
||||
if (bit_is_clear(BUTTON_POWER_r, BUTTON_POWER_pin)) { // Power button counter.
|
||||
if (button_power_counter < 255)
|
||||
button_power_counter++;
|
||||
} else {
|
||||
if (button_power_counter > 0)
|
||||
button_power_counter--;
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,79 +1,94 @@
|
||||
/** SenseoControl 2.0
|
||||
/*****************************************************************************
|
||||
* SenseoControl 2.0 *
|
||||
* Copyright (C) 2013-2018 Stefan Kalscheuer *
|
||||
* *
|
||||
* This program is free software: you can redistribute it and/or modify *
|
||||
* it under the terms of the GNU General Public License as published by *
|
||||
* the Free Software Foundation version 3. *
|
||||
* *
|
||||
* This program is distributed in the hope that it will be useful, *
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
||||
* GNU General Public License for more details. *
|
||||
* *
|
||||
* You should have received a copy of the GNU General Public License *
|
||||
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
|
||||
*****************************************************************************/
|
||||
|
||||
/**
|
||||
* SenseoControl 2.0
|
||||
*
|
||||
* File: main.h
|
||||
* Author: Stefan Kalscheuer
|
||||
* Date: 22.04.2013
|
||||
*
|
||||
* License: GNU GPL v3 (see License.txt)
|
||||
* @file main.h
|
||||
* @author Stefan Kalscheuer
|
||||
* @date 2013-04-22
|
||||
*/
|
||||
|
||||
/*******************
|
||||
* USER SETTINGS
|
||||
/********************
|
||||
* User settings:
|
||||
*/
|
||||
#define TIME_1_ESPRESSO 15 // pump times in seconds
|
||||
#define TIME_1_ESPRESSO 15 // Pump times in seconds.
|
||||
#define TIME_2_ESPRESSO 28
|
||||
#define TIME_1_COFFEE 26
|
||||
#define TIME_2_COFFEE 52
|
||||
#define OPERATING_TEMPERATURE 125 // ADC threshold for water temperature
|
||||
#define COFFEE_WISH 0 // save coffee wish while heating up
|
||||
#define OPERATING_TEMPERATURE 125 // ADC threshold for water temperature.
|
||||
#define COFFEE_WISH 0 // Save coffee wish while heating up.
|
||||
/*
|
||||
*******************
|
||||
*/
|
||||
********************/
|
||||
|
||||
// functions for setting and clearing bits
|
||||
#define set_bit(var, bit) ((var) |= (1 << (bit)))
|
||||
#define clear_bit(var, bit) ((var) &= (unsigned)~(1 << (bit)))
|
||||
// Function macros for setting and clearing bits.
|
||||
#define set_bit(var, bit) ((var) |= (1 << (bit)))
|
||||
#define clear_bit(var, bit) ((var) &= (unsigned)~(1 << (bit)))
|
||||
|
||||
#define ZERO_CROSSING_w PORTA // zero crossing detection
|
||||
#define ZERO_CROSSING_w PORTA // Zero crossing detection.
|
||||
#define ZERO_CROSSING_r PINA
|
||||
#define ZERO_CROSSING_pin 0
|
||||
#define ZERO_CROSSING_ddr DDRA
|
||||
#define ZERO_CROSSING_adc 0
|
||||
|
||||
#define BUTTON_1_CUP_w PORTB // left button
|
||||
#define BUTTON_1_CUP_w PORTB // Left button.
|
||||
#define BUTTON_1_CUP_r PINB
|
||||
#define BUTTON_1_CUP_pin 4
|
||||
#define BUTTON_1_CUP_ddr DDRB
|
||||
|
||||
#define BUTTON_2_CUP_w PORTB // right button
|
||||
#define BUTTON_2_CUP_w PORTB // Right button.
|
||||
#define BUTTON_2_CUP_r PINB
|
||||
#define BUTTON_2_CUP_pin 5
|
||||
#define BUTTON_2_CUP_ddr DDRB
|
||||
|
||||
#define BUTTON_POWER_w PORTB // power button
|
||||
#define BUTTON_POWER_w PORTB // Power button.
|
||||
#define BUTTON_POWER_r PINB
|
||||
#define BUTTON_POWER_pin 6
|
||||
#define BUTTON_POWER_ddr DDRB
|
||||
|
||||
#define LED_RED_w PORTA // red LED
|
||||
#define LED_RED_w PORTA // Red LED.
|
||||
#define LED_RED_r PINA
|
||||
#define LED_RED_pin 3
|
||||
#define LED_RED_ddr DDRA
|
||||
#define LED_RED_ON 0
|
||||
#define LED_RED_BLINK 1
|
||||
|
||||
#define LED_GREEN_w PORTA // green LED
|
||||
#define LED_GREEN_r PINA
|
||||
#define LED_GREEN_w PORTA // Green LED.
|
||||
#define LED_GREEN_r PINA
|
||||
#define LED_GREEN_pin 1
|
||||
#define LED_GREEN_ddr DDRA
|
||||
#define LED_GREEN_ON 2
|
||||
#define LED_GREEN_BLINK 3
|
||||
|
||||
#define LED_BLUE_w PORTA // blue LED
|
||||
#define LED_BLUE_w PORTA // Blue LED.
|
||||
#define LED_BLUE_r PINA
|
||||
#define LED_BLUE_pin 2
|
||||
#define LED_BLUE_ddr DDRA
|
||||
#define LED_BLUE_ON 4
|
||||
#define LED_BLUE_BLINK 5
|
||||
|
||||
#define SENSOR_MAGNET_w PORTA // hall switch (water)
|
||||
#define SENSOR_MAGNET_w PORTA // Hall switch (water).
|
||||
#define SENSOR_MAGNET_r PINA
|
||||
#define SENSOR_MAGNET_pin 5
|
||||
#define SENSOR_MAGNET_ddr DDRA
|
||||
#define SENSOR_MAGNET_adc 4
|
||||
|
||||
#define WATER_LOW 30 // ADC threshold for low water
|
||||
#define WATER_OK 100 // ADC threshold for water OK
|
||||
#define WATER_LOW 30 // ADC threshold for low water.
|
||||
#define WATER_OK 100 // ADC threshold for water OK.
|
||||
|
||||
#define SENSOR_TEMP_w PORTA // NTC (temperature)
|
||||
#define SENSOR_TEMP_r PINA
|
||||
@ -81,20 +96,20 @@
|
||||
#define SENSOR_TEMP_ddr DDRA
|
||||
#define SENSOR_TEMP_adc 3
|
||||
|
||||
#define TRIAC_BOILER_w PORTA // boiler triac
|
||||
#define TRIAC_BOILER_w PORTA // Boiler triac.
|
||||
#define TRIAC_BOILER_r PINA
|
||||
#define TRIAC_BOILER_pin 6
|
||||
#define TRIAC_BOILER_ddr DDRA
|
||||
|
||||
#define TRIAC_PUMP_w PORTA // pump triac
|
||||
#define TRIAC_PUMP_w PORTA // Pump triac.
|
||||
#define TRIAC_PUMP_r PINA
|
||||
#define TRIAC_PUMP_pin 7
|
||||
#define TRIAC_PUMP_ddr DDRA
|
||||
|
||||
#define AUTO_OFF_THRESHOLD 180 // AutoOff threshold (seconds)
|
||||
#define BUTTON_CLEAN_THR 30 // button threshold for cleaning mode (ms)
|
||||
#define BUTTON_THRESHOLD 100 // button threshold (ms)
|
||||
#define BUTTON_LONG_THR 1500 // button threshold for long time push (ms)
|
||||
#define AUTO_OFF_THRESHOLD 180 // AutoOff threshold (seconds).
|
||||
#define BUTTON_CLEAN_THR 30 // Button threshold for cleaning mode (ms).
|
||||
#define BUTTON_THRESHOLD 100 // Button threshold (ms).
|
||||
#define BUTTON_LONG_THR 1500 // Button threshold for long time push (ms).
|
||||
|
||||
#define RED 0b00000001
|
||||
#define RED_BLINK 0b00000010
|
||||
@ -107,9 +122,9 @@
|
||||
#define VIOLET 0b00010001
|
||||
#define VIOLET_BLINK 0b00100010
|
||||
|
||||
// prototypes:
|
||||
void init (); // initialization
|
||||
void power_off (); // power off to sleep mode
|
||||
bool get_water (); // update water state
|
||||
bool get_temperature (); // update tehmerature state
|
||||
unsigned int detect_zero_crossing (); // detect zero crossing
|
||||
// Prototypes:
|
||||
void init(); // Initialization.
|
||||
void power_off(); // Power off to sleep mode.
|
||||
bool get_water(); // Update water state.
|
||||
bool get_temperature(); // Update tehmerature state.
|
||||
unsigned int detect_zero_crossing(); // Detect zero crossing.
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user