665 lines
20 KiB
C
665 lines
20 KiB
C
/* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/* This is the main part of the LED light controller program.
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* It handles all peripherals (power, fan, channels, IR, serial)
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*/
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/* This program is specifically designed for hardware version A,
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* with schematic revision 2, and layout revision 5.
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*/
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#include <stdint.h> /* Standard Integer Types */
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#include <stdio.h> /* Standard IO facilities */
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#include <stdlib.h> /* General utilities */
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#include <stdbool.h> /* Boolean */
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#include <string.h> /* Strings */
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#include <avr/io.h> /* AVR device-specific IO definitions */
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#include <util/delay.h> /* Convenience functions for busy-wait delay loops */
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#include <avr/interrupt.h> /* Interrupts */
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#include <avr/wdt.h> /* Watchdog timer handling */
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#include <avr/pgmspace.h> /* Program Space Utilities */
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#include "main.h"
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#include "uart.h"
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#include "ir_nec.h"
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#include "settings.h"
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/* help strings */
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const char help_00[] PROGMEM = "commands:\n";
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const char help_01[] PROGMEM = "\thelp display this help\n";
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const char help_02[] PROGMEM = "\treset reset boad and settings\n";
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const char help_03[] PROGMEM = "\tpower show power state\n";
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const char help_04[] PROGMEM = "\tpower on switch power on\n";
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const char help_05[] PROGMEM = "\tpower off switch power off\n";
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const char help_06[] PROGMEM = "\tfan show fan speed\n";
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const char help_07[] PROGMEM = "\tmode show current mode\n";
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const char help_08[] PROGMEM = "\tmode N select mode\n";
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const char help_09[] PROGMEM = "\tch X Y show channel [1-2].[1-5] brightness\n";
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const char help_10[] PROGMEM = "\tch X Y Z set channel [1-2].[1-5] brightness [0-255]\n";
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const char help_11[] PROGMEM = "\tir learn power learn the IR command to power on/off\n";
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const char help_12[] PROGMEM = "\tir learn mode learn the IR command to change between modes\n";
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const char help_13[] PROGMEM = "\tir learn brightness up learn the IR command to increase brightness\n";
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const char help_14[] PROGMEM = "\tir learn brightness down learn the IR command to decrease brightness\n";
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const char help_15[] PROGMEM = "\tir learn channel next learn the IR command to select next channel\n";
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const char help_16[] PROGMEM = "\tir learn channel previous learn the IR command to select previous channel\n";
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PGM_P const help_table[] PROGMEM = {
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help_00,
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help_01,
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help_02,
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help_03,
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help_04,
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help_05,
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help_06,
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help_07,
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help_08,
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help_09,
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help_10,
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help_11,
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help_12,
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help_13,
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help_14,
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help_15,
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help_16
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};
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volatile uint8_t* PORTS[CHANNELS_1+CHANNELS_2] = {&PORTC,&PORTC,&PORTC,&PORTC,&PORTC,&PORTD,&PORTD,&PORTD,&PORTD,&PORTD};
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volatile uint8_t* DDRS[CHANNELS_1+CHANNELS_2] = {&DDRC,&DDRC,&DDRC,&DDRC,&DDRC,&DDRD,&DDRD,&DDRD,&DDRD,&DDRD};
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const uint8_t BITS[CHANNELS_1+CHANNELS_2] = {PC0,PC1,PC2,PC3,PC4};
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/* global variables */
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#define INPUT_MAX 255 /* max length for user input string */
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char input[INPUT_MAX+2]; /* user input from USART */
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volatile uint8_t input_i = 0; /* user input index */
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volatile uint8_t pwr_ok; /* is power ok */
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volatile uint8_t fan; /* fan signal state, to measure tachometer */
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volatile uint8_t timer2_ovf = 0; /* to measure fan speed using timer 2 */
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const uint16_t TIMER2_PRESCALE[8] = {0,1,8,32,64,128,256,1024}; /* timer 2 CS2[2:0] values */
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volatile uint16_t tachometer = 0; /* the tachometer time (from timer) */
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volatile uint8_t ir; /* IR signal state, to measure IR code */
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const uint16_t TIMER1_PRESCALE[8] = {0,1,8,64,256,1024,0,0}; /* timer 1 CS1[2:0] values */
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volatile uint16_t ir_tick; /* number of counter ticks per millisecond */
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volatile uint8_t pulse = 0; /* pulse index within the burst */
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#define PULSE_MAX 128 /* maximum number of pulses to save */
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uint16_t burst[PULSE_MAX]; /* pulse times forming a burst (from timer) */
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/* channel variables */
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#define LEVELS 10 /* the number of PWM levels */
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volatile uint8_t ch_tick = 0; /* to tick for the channel PWM */
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uint8_t on[CHANNELS_1+CHANNELS_2]; /* at which tick turn the channel on */
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uint8_t off[CHANNELS_1+CHANNELS_2]; /* at which tick turn the channel off */
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/* flags, set in the interrupts and handled in the main program */
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volatile bool uart_flag = false; /* an incoming activity on the UART */
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volatile bool power_flag = false; /* a change in the power or fan */
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volatile bool ir_flag = false; /* to process a burst */
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volatile bool channel_flag = false; /* indicate a change in the channel PWM values */
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volatile bool learn_flag = false; /* learn an IR command for an action */
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enum IR_ACTIONS to_learn = IR_ACTION_END; /* IR action to learn */
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/* UART receive interrupt */
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ISR(USART_RX_vect) {
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input[input_i] = getchar(); /* save input */
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input[input_i+1] = 0; /* always end the string */
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if (input_i<INPUT_MAX) { /* next character, if space is available */
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input_i++;
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}
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uart_flag = true; /* set flag */
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}
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/* power ok interrupt */
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ISR(PCINT0_vect) { /* PCI0 Interrupt Vector for PCINT[7:0] */
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if (pwr_ok!=(PINB&(1<<PWR_OK))) { /* did the PWR_OK pin state changed */
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pwr_ok = PINB&(1<<PWR_OK); /* save new state */
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power_flag = true;
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} else if (ir!=(PINB&(1<<IR))) { /* did the IR pin state changed */
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ir = PINB&(1<<IR); /* save new state */
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if (pulse>0) { /* save pulse, except the first */
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burst[pulse-1] = (TCNT1*1000UL)/ir_tick;
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burst[pulse] = 0;
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}
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if (pulse<PULSE_MAX-1) { /* prepare to save next pulse */
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pulse++;
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}
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TCNT1 = 0; /* clear timer 1 */
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}
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}
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/* fan tachometer interrupt */
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ISR(PCINT1_vect) { /* PCI0 Interrupt Vector for PCINT[14:8] */
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if (fan!=(PINC&(1<<FAN))) { /* did the FAN pin state changed */
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fan = PINC&(1<<FAN); /* save new state */
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if (fan) { /* only react to rising edge */
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tachometer = (uint16_t)(timer2_ovf<<8)+TCNT2; /* save time */
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TCNT2 = 0; /* reset timer 2 */
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timer2_ovf = 0; /* reset timer 2 */
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}
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}
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}
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/* timer 2 interrupt used to measure fan speed based on tachometer */
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ISR(TIMER2_OVF_vect) { /* timer 2 overflow interrupt vector */
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if (timer2_ovf<0xff) { /* prevent overflow */
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timer2_ovf++; /* increase tachometer counter */
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} else {
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tachometer = 0; /* indicate no speed can be measured */
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if (pwr_ok) { /* warn the fan is dead while the power in on */
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power_flag = true;
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}
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timer2_ovf = 0;
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}
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}
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/* timer 1 interrupt used to timeout IR burst */
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ISR(TIMER1_COMPA_vect) { /* timer 1 OCR1A match interrupt vector */
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if (pulse>0 && !ir_flag) { /* warm an burst is ready when the timeout triggered */
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ir_flag = true;
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}
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}
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/* timer 0 interrupt used generate a PWM for the channels */
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ISR(TIMER0_COMPA_vect) { /* timer 0 OCR0A match interrupt vector */
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ch_tick++;
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if (pwr_ok) {
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for (int i=0; i<CHANNELS_1+CHANNELS_2; i++) {
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if (on[i]==ch_tick) {
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if (on[i]!=off[i]) {
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*(PORTS[i]) |= (1<<BITS[i]);
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} else if (brightness[mode][i]==0) {
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*(PORTS[i]) &= ~(1<<BITS[i]);
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} else {
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*(PORTS[i]) |= (1<<BITS[i]);
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}
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} else if (off[i]==ch_tick && brightness[mode][i]!=0xff) {
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*(PORTS[i]) &= ~(1<<BITS[i]);
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}
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}
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PIND = (1<<LED);
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}
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}
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/* disable watched when booting */
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void wdt_init(void) __attribute__((naked)) __attribute__((section(".init3")));
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void wdt_init(void)
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{
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MCUSR = 0;
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wdt_disable();
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return;
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}
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void ioinit(void)
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{
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/* configure power */
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DDRB |= (1<<nPS_ON); /* nPS_ON is output */
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PORTB |= (1<<nPS_ON); /* switch off power supply */
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DDRB &= ~(1<<PWR_OK); /* PWR_ON (PB1/PCINT1) is input */
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pwr_ok = PINB&(1<<PWR_OK); /* save state */
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PCIFR &= ~(1<<PCIF0); /* clear interrupt flag */
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PCICR |= (1<<PCIE0); /* enable interrupt for PCINT[7:0] */
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PCMSK0 |= (1<<PCINT1); /* enable interrupt for PCINT1 */
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/* configure LED (on PD6/OC0A) */
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DDRD |= (1<<LED); /* LED is output */
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PORTD &= ~(1<<LED); /* switch LED on */
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/* configure FAN */
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DDRC &= ~(1<<FAN); /* FAN (PC5/PCINT13) is input */
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fan = PINC&(1<<FAN); /* save state */
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PCIFR &= ~(1<<PCIF1); /* clear interrupt flag */
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PCICR |= (1<<PCIE1); /* enable interrupt for PCINT[14:8] */
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PCMSK1 |= (1<<PCINT13); /* enable interrupt for PCINT1 */
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/* use timer 2 to measure the tachometer */
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/* use normal mode */
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TCCR2A &= ~((1<<WGM20)|(1<<WGM21));
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TCCR2B &= ~(1<<WGM22);
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/* clock/64 prescaler */
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TCCR2B |= (1<<CS22);
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TCCR2B &= ~((1<<CS21)|(1<<CS20));
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TIFR2 = (1<<TOV2); /* clear timer 2 overflow interrupt flag */
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TIMSK2 |= (1<<TOIE2); /* enable timer 2 overflow interrupt */
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/* configure IR receiver */
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DDRB &= ~(1<<IR); /* IR (PB0/PCINT0) receiver is input */
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ir = PINB&(1<<IR); /* save state */
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PCIFR = (1<<PCIF0); /* clear interrupt flag */
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PCICR |= (1<<PCIE0); /* enable interrupt for PCINT[7:0] */
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PCMSK0 |= (1<<PCINT0); /* enable interrupt for PCINT0 */
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/* use timer 1 to measure IR pulse */
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/* use CTC mode */
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TCCR1A &= ~((1<<WGM10)|(1<<WGM11));
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TCCR1B |= (1<<WGM12);
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TCCR1B &= ~(1<<WGM13);
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/* clock/8 prescaler, offers most precision for 15ms (up to 28.5ms) */
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TCCR1B |= (1<<CS11);
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TCCR1B &= ~((1<<CS12)|(1<<CS10));
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uint16_t prescale = TIMER1_PRESCALE[(TCCR1B&((1<<CS12)|(1<<CS11)|(1<<CS10)))>>CS10]; /* timer 1 presacler */
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if (0!=prescale) {
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ir_tick = F_CPU/(1000*prescale); /* ticks per ms */
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OCR1A = (uint32_t)(15*F_CPU)/(1000*prescale); /* set clear time to 15 ms (no IR toggle should be longer) */
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}
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TIFR1 &= ~(1<<OCF1A); /* clear timer 1 compare interrupt flag */
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TIMSK1 |= (1<<OCIE1A); /* enable timer 1 compare interrupt */
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/* configure channels (used for powering LEDs using an nMOS) */
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for (uint8_t i=0; i<CHANNELS_1+CHANNELS_2; i++) {
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*(DDRS[i]) |= (1<<BITS[i]);
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*(PORTS[i]) &= ~(1<<BITS[i]);
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}
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/* use timer 0 as source for the channel PWM */
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/* use CTC mode */
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TCCR0A |= (1<<WGM01);
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TCCR0A &= ~(1<<WGM00);
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TCCR0B &= ~(1<<WGM02);
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/* /8 prescale timer */
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TCCR0B &= ~(1<<CS02);
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TCCR0B |= (1<<CS01);
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TCCR0B &= ~(1<<CS00);
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OCR0A = 0x40; /* set PWM frequency (with prescale=8, 0x00=2304kHz-0xff=9kHz) */
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TIFR0 = (1<<OCF0A); /* clear timer 0 compare interrupt flag */
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TIMSK0 |= (1<<OCIE0A); /* enable timer 0 compare interrupt */
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/* use UART as terminal */
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uart_init();
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stdout = &uart_output;
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stdin = &uart_input;
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sei(); /* enable interrupts */
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}
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void help(void)
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{
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char* str;
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for (uint8_t i=0; i<sizeof(help_table)/sizeof(PGM_P); i++) {
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str = malloc(strlen_PF((uint_farptr_t)pgm_read_word(&(help_table[i]))));
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strcpy_PF(str, (uint_farptr_t)pgm_read_word(&(help_table[i])));
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printf(str);
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free(str);
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}
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}
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int main(void)
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{
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ioinit(); /* initialize IOs */
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uint8_t command_i = 0; /* command index */
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struct nec ir_data; /* last IR data */
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ir_data.valid = false;
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ir_data.repeat = false;
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ir_data.address = 0;
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ir_data.command = 0;
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uint8_t ir_repeat = 0; /* number of times the IR data has been repeated */
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puts("LED dimmer up & running");
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/* load (or initialize) settings */
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if (!verify_settings()) {
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initialize_settings();
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save_settings();
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if (!verify_settings()) {
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puts("can't store setting");
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return 0;
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}
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puts("settings created");
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} else {
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load_settings();
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puts("settings loaded");
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}
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channel_flag = true; /* calculate channel values later */
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/* switch power supply as saved */
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if (power) {
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PORTB &= ~(1<<nPS_ON);
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} else {
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PORTB |= (1<<nPS_ON);
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}
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while (true) {
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/* calculated PWM values */
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while (channel_flag) {
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uint8_t start = 0;
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for (uint8_t i=0; i<CHANNELS_1+CHANNELS_2; i++) {
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on[i] = start;
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start += brightness[mode][i];
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off[i] = start;
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}
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channel_flag = false;
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}
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/* handle UART input */
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while (uart_flag) {
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/* echo back */
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char c = 0;
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while (command_i<input_i) {
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c = input[command_i++];
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putchar(c);
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}
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if ('\n'==c || '\r'==c) {
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if ('\r'==c) {
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puts("");
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}
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if (command_i>1) {
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input[command_i-1] = '\0';
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uart_action(input);
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save_settings();
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}
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input_i = command_i = 0;
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}
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uart_flag = false;
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}
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/* handle power state */
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while (power_flag) {
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if (pwr_ok) {
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puts("power ok");
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power = 1;
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/* verify if FAN is present */
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_delay_ms(500);
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if (0==tachometer) {
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puts("FAN not on, switching power off");
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PORTB |= (1<<nPS_ON);
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power = 0;
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}
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} else {
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puts("power off");
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for (uint8_t i=0; i<CHANNELS_1+CHANNELS_2; i++) { /* switch off output */
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*(PORTS[i]) &= ~(1<<BITS[i]);
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}
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power = 0;
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}
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save_settings();
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power_flag = false;
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}
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/* handle IR input */
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while (ir_flag) {
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time2nec(burst,pulse-1); /* convert raw time burst in NEC format */
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struct nec ir_tmp = nec2data(burst,pulse-1); /* decode NEC burst */
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if (ir_tmp.valid) {
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if (ir_tmp.repeat) {
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if (ir_repeat<0xff) {
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ir_repeat++;
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}
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} else {
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ir_data = ir_tmp;
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ir_repeat = 0;
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}
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if (ir_repeat==0 || ir_repeat>3) {
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if (learn_flag) {
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if (to_learn<IR_ACTION_END) {
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ir_keys[to_learn][0] = ir_data.address;
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ir_keys[to_learn][1] = ir_data.command;
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}
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puts("IR code learned");
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to_learn = IR_ACTION_END;
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learn_flag = false;
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} else {
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ir_action(ir_data.address,ir_data.command);
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}
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save_settings();
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}
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}
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pulse = 0; /* reset burst */
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ir_flag = false;
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}
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}
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return 0;
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}
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void uart_action(char* str)
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{
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const char* delimiter = " ";
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char* word = strtok(str,delimiter);
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if (!word) {
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goto error;
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}
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if (0==strcmp(word,"help")) {
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help();
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} else if (0==strcmp(word,"reset")) {
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reset_settings();
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/* reset using watchdog */
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do {
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wdt_enable(WDTO_15MS);
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for(;;) {}
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} while(0);
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} else if (0==strcmp(word,"power")) {
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word = strtok(NULL,delimiter);
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if (!word) {
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if (PINB&(1<<nPS_ON)) {
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puts("power is off");
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} else {
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puts("power is on");
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}
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} else if (0==strcmp(word,"on")) {
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PORTB &= ~(1<<nPS_ON);
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} else if (0==strcmp(word,"off")) {
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PORTB |= (1<<nPS_ON);
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} else {
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goto error;
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}
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} else if (0==strcmp(word,"fan")) {
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if (tachometer) {
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uint16_t prescale = TIMER2_PRESCALE[TCCR2B&((1<<CS22)|(1<<CS21)|(1<<CS20))];
|
|
if (prescale) {
|
|
if (timer2_ovf<0xff) {
|
|
uint32_t speed = ((60*F_CPU)/(prescale*(uint32_t)tachometer))/2; /* calculate speed. 2 pulses per revolution */
|
|
printf("fan speed: %lurpm\n",speed);
|
|
} else {
|
|
printf("fan is off (or not detected)\n");
|
|
}
|
|
} else {
|
|
printf("fan speed measurement not started\n");
|
|
}
|
|
} else {
|
|
printf("fan is off (or not detected)\n");
|
|
}
|
|
reset_settings();
|
|
/* reset using watchdog */
|
|
do {
|
|
wdt_enable(WDTO_15MS);
|
|
for(;;) {}
|
|
} while(0);
|
|
} else if (0==strcmp(word,"mode")) {
|
|
word = strtok(NULL,delimiter);
|
|
if (!word) {
|
|
printf("%u/%u\n",mode+1,MODES);
|
|
} else {
|
|
/* expecting one digit mode N */
|
|
if (strlen(word)!=1) {
|
|
goto error;
|
|
}
|
|
/* expecting mode 1-MODES */
|
|
if (word[0]<'1') {
|
|
goto error;
|
|
}
|
|
uint8_t mode_temp = word[0]-'1';
|
|
if (mode_temp>MODES) {
|
|
goto error;
|
|
}
|
|
mode = mode_temp;
|
|
channel_flag = true;
|
|
}
|
|
} else if (0==strcmp(word,"ir")) {
|
|
word = strtok(NULL,delimiter);
|
|
if (0==strcmp(word,"learn")) {
|
|
word = strtok(NULL,delimiter);
|
|
if (0==strcmp(word,"power")) {
|
|
to_learn = POWER;
|
|
learn_flag = true;
|
|
} else if (0==strcmp(word,"mode")) {
|
|
to_learn = MODE;
|
|
learn_flag = true;
|
|
} else if (0==strcmp(word,"brightness")) {
|
|
word = strtok(NULL,delimiter);
|
|
if (0==strcmp(word,"up")) {
|
|
to_learn = BRIGHTNESS_UP;
|
|
learn_flag = true;
|
|
} else if (0==strcmp(word,"down")) {
|
|
to_learn = BRIGHTNESS_DOWN;
|
|
learn_flag = true;
|
|
} else {
|
|
goto error;
|
|
}
|
|
} else if (0==strcmp(word,"channel")) {
|
|
word = strtok(NULL,delimiter);
|
|
if (0==strcmp(word,"next")) {
|
|
to_learn = CHANNEL_NEXT;
|
|
learn_flag = true;
|
|
} else if (0==strcmp(word,"previous")) {
|
|
to_learn = CHANNEL_PREVIOUS;
|
|
learn_flag = true;
|
|
} else {
|
|
goto error;
|
|
}
|
|
} else {
|
|
goto error;
|
|
}
|
|
} else {
|
|
goto error;
|
|
}
|
|
} else if (0==strcmp(word,"ch")) {
|
|
word = strtok(NULL,delimiter);
|
|
if (!word) { /* expecting channel group */
|
|
goto error;
|
|
}
|
|
if (strlen(word)!=1) { /* expecting one digit channel group X */
|
|
goto error;
|
|
}
|
|
uint8_t group = 0;
|
|
switch (word[0]) { /* expecting channel group X 1 or 2 */
|
|
case '1':
|
|
group = 0;
|
|
break;
|
|
case '2':
|
|
group = 1;
|
|
break;
|
|
default:
|
|
goto error;
|
|
}
|
|
/* get channel output */
|
|
word = strtok(NULL,delimiter);
|
|
if (!word) {
|
|
goto error;
|
|
}
|
|
/* expecting one digit channel output Y */
|
|
if (strlen(word)!=1) {
|
|
goto error;
|
|
}
|
|
/* expecting channel group Y 1-CHANNELS_X */
|
|
if (word[0]<'1') {
|
|
goto error;
|
|
}
|
|
uint8_t output = word[0]-'1';
|
|
if (group==0 && output>CHANNELS_1) {
|
|
goto error;
|
|
} else if (group==1 && output>CHANNELS_2) {
|
|
goto error;
|
|
}
|
|
uint8_t channel = group*CHANNELS_1+output;
|
|
/* brightness setting */
|
|
word = strtok(NULL,delimiter);
|
|
if (!word) {
|
|
printf("%u\n",brightness[mode][channel]);
|
|
} else {
|
|
if (strlen(word)>3) {
|
|
goto error;
|
|
}
|
|
uint16_t br = atoi(word);
|
|
if (br>0xff) {
|
|
goto error;
|
|
}
|
|
brightness[mode][channel] = (uint8_t)br;
|
|
channel_flag = true;
|
|
}
|
|
} else {
|
|
goto error;
|
|
}
|
|
|
|
if (learn_flag) {
|
|
puts("press button on remote to learn code");
|
|
}
|
|
return;
|
|
error:
|
|
puts("command not recognized");
|
|
}
|
|
|
|
void ir_action(uint8_t address, uint8_t command)
|
|
{
|
|
enum IR_ACTIONS ir_code = IR_ACTION_END;
|
|
static uint8_t channel = CHANNELS_1+CHANNELS_2;
|
|
uint8_t step = 0xff/LEVELS;
|
|
for (ir_code=0; ir_code<IR_ACTION_END; ir_code++) {
|
|
if (ir_keys[ir_code][0]==address && ir_keys[ir_code][1]==command) {
|
|
break;
|
|
}
|
|
}
|
|
if (ir_code<IR_ACTION_END) {
|
|
switch (ir_code) {
|
|
case POWER:
|
|
printf("switching power supply ");
|
|
if (PINB&(1<<nPS_ON)) {
|
|
puts("on");
|
|
} else {
|
|
puts("off");
|
|
}
|
|
PINB |= (1<<nPS_ON);
|
|
break;
|
|
case MODE:
|
|
mode = (mode+1)%MODES;
|
|
printf("selecting mode %u/%u\n",mode+1,MODES);
|
|
channel_flag = true;
|
|
break;
|
|
case BRIGHTNESS_UP:
|
|
if (channel<CHANNELS_1+CHANNELS_2) {
|
|
if (brightness[mode][channel]<0xff-step) {
|
|
brightness[mode][channel] += step;
|
|
} else {
|
|
brightness[mode][channel] = 0xff;
|
|
}
|
|
printf("increasing brightness ch %u %u: %u\n",(channel/CHANNELS_1)+1,(channel%CHANNELS_1)+1,brightness[mode][channel]);
|
|
}
|
|
channel_flag = true;
|
|
break;
|
|
case BRIGHTNESS_DOWN:
|
|
if (channel<CHANNELS_1+CHANNELS_2) {
|
|
if (brightness[mode][channel]>step) {
|
|
brightness[mode][channel] -= step;
|
|
} else {
|
|
brightness[mode][channel] = 0x00;
|
|
}
|
|
printf("increasing brightness ch %u %u: %u\n",(channel/CHANNELS_1)+1,(channel%CHANNELS_1)+1,brightness[mode][channel]);
|
|
}
|
|
channel_flag = true;
|
|
break;
|
|
case CHANNEL_NEXT:
|
|
if (channel<CHANNELS_1+CHANNELS_2) {
|
|
channel = (channel+1)%(CHANNELS_1+CHANNELS_2);
|
|
} else {
|
|
channel = 0x00;
|
|
}
|
|
printf("selecting channel ch %u %u (%u)\n",(channel/CHANNELS_1)+1,(channel%CHANNELS_1)+1,brightness[mode][channel]);
|
|
break;
|
|
case CHANNEL_PREVIOUS:
|
|
if (0==channel) {
|
|
channel = CHANNELS_1+CHANNELS_2-1;
|
|
} else {
|
|
channel--;
|
|
}
|
|
printf("selecting channel ch %u %u (%u)\n",(channel/CHANNELS_1)+1,(channel%CHANNELS_1)+1,brightness[mode][channel]);
|
|
break;
|
|
default:
|
|
printf("unhandled IR action: %u\n", ir_code);
|
|
break;
|
|
}
|
|
} else {
|
|
puts("IR command not learned");
|
|
}
|
|
}
|