can learn IR commands
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7e86211c93
commit
2dba5b10d2
244
firmware/main.c
244
firmware/main.c
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@ -62,6 +62,8 @@ 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 pwm_flag = false; /* to trigger a PWM tick */
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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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@ -208,6 +210,115 @@ void ioinit(void)
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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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printf("commands:\n"\
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"\thelp display this help\n"\
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"\tpower show power state\n"\
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"\tpower on switch power on\n"\
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"\tpower off switch power off\n"\
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"\tfan show fan speed\n"\
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"\tch X Y show channel [1-2].[1-5] brightness\n"\
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"\tch X Y Z set channel [1-2].[1-5] brightness [0-255]\n"\
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"\tir learn power learn the IR command to power on/off\n"\
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"\tir learn mode learn the IR command to change between modes\n"\
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"\tir learn brightness up learn the IR command to increase brightness\n"\
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"\tir learn brightness down learn the IR command to decrease brightness\n"\
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"\tir learn channel next learn the IR command to select next channel\n"\
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"\tir learn channel previous learn the IR command to select previous channel\n"\
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);
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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,"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))];
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if (prescale) {
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if (timer2_ovf<0xff) {
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uint32_t speed = ((60*F_CPU)/(prescale*(uint32_t)tachometer))/2; // calculate speed. 2 pulses per revolution
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printf("fan speed: %lurpm\n",speed);
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} else {
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printf("fan is off (or not detected)\n");
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}
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} else {
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printf("fan speed measurement not started\n");
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}
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} else {
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printf("fan is off (or not detected)\n");
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}
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} else if (0==strcmp(word,"ir")) {
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word = strtok(NULL,delimiter);
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if (0==strcmp(word,"learn")) {
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word = strtok(NULL,delimiter);
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if (0==strcmp(word,"power")) {
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to_learn = POWER;
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learn_flag = true;
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} else if (0==strcmp(word,"mode")) {
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to_learn = MODE;
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learn_flag = true;
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} else if (0==strcmp(word,"brightness")) {
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word = strtok(NULL,delimiter);
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if (0==strcmp(word,"up")) {
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to_learn = BRIGHTNESS_UP;
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learn_flag = true;
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} else if (0==strcmp(word,"down")) {
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to_learn = BRIGHTNESS_DOWN;
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learn_flag = true;
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} else {
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goto error;
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}
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} else if (0==strcmp(word,"channel")) {
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word = strtok(NULL,delimiter);
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if (0==strcmp(word,"next")) {
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to_learn = CHANNEL_NEXT;
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learn_flag = true;
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} else if (0==strcmp(word,"previous")) {
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to_learn = CHANNEL_PREVIOUS;
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learn_flag = true;
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} else {
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goto error;
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}
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} else {
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goto error;
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}
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} else {
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goto error;
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}
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} else {
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goto error;
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}
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if (learn_flag) {
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puts("press button on remote to learn code");
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}
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return;
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error:
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puts("command not recognized");
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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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@ -234,8 +345,11 @@ int main(void)
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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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load_settings();
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while (true) {
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/* calculated PWM values */
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@ -276,7 +390,16 @@ int main(void)
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c = input[command_i++];
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putchar(c);
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}
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uart_action(c);
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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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}
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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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@ -308,7 +431,18 @@ int main(void)
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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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ir_action(ir_data.address,ir_data.command);
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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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save_settings();
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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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}
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}
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pulse = 0; /* reset burst */
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@ -318,82 +452,40 @@ int main(void)
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return 0;
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}
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void uart_action(char c)
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{
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switch (c) {
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case 'l':
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PIND |= (1<<LED);
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printf("LED: ");
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if (PIND&(1<<LED)) {
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puts("off");
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} else {
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puts("on");
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}
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break;
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case 'a':
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printf("switching power supply ");
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if (PINB&(1<<nPS_ON)) {
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puts("on");
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} else {
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puts("off");
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}
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PINB |= (1<<nPS_ON);
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break;
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case 's':
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printf("power: ");
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if (PINB&(1<<PWR_OK)) {
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puts("ok");
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} else {
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puts("ko");
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}
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break;
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case '1':
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//ch_1[0] = (ch_1[0]+1)%(LEVELS+1);
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channel_flag = true;
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break;
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case '-':
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if (OCR0A>0) {
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OCR0A--;
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}
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printf("decreasing LED: %u\n",OCR0A);
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break;
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case '+':
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if (OCR0A<0xff) {
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OCR0A++;
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}
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printf("increasing LED: %u\n",OCR0A);
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break;
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case 't':
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if (tachometer) {
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uint16_t prescale = TIMER2_PRESCALE[TCCR2B&((1<<CS22)|(1<<CS21)|(1<<CS20))];
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if (prescale) {
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if (timer2_ovf<0xff) {
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uint32_t speed = ((60*F_CPU)/(prescale*(uint32_t)tachometer))/2; /* calculate speed. 2 pulses per revolution */
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printf("fan speed: %lurpm\n",speed);
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} else {
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printf("fan off (or not detected)\n");
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}
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} else {
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printf("fan speed measurement not started\n");
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}
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} else {
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printf("fan off (or not detected)\n");
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}
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break;
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}
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}
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void ir_action(uint8_t address, uint8_t command)
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{
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if (0==address && 72==command) {
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printf("switching power supply ");
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if (PINB&(1<<nPS_ON)) {
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puts("on");
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} else {
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puts("off");
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enum IR_ACTIONS ir_code = IR_ACTION_END;
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for (ir_code=0; ir_code<IR_ACTION_END; ir_code++) {
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if (ir_keys[ir_code][0]==address && ir_keys[ir_code][1]==command) {
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break;
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}
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}
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if (ir_code<IR_ACTION_END) {
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switch (ir_code) {
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case POWER:
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printf("switching power supply ");
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if (PINB&(1<<nPS_ON)) {
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puts("on");
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} else {
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puts("off");
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}
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PINB |= (1<<nPS_ON);
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break;
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case MODE:
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break;
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case BRIGHTNESS_UP:
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break;
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case BRIGHTNESS_DOWN:
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break;
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case CHANNEL_NEXT:
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break;
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case CHANNEL_PREVIOUS:
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break;
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default:
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printf("unhandled IR action: %u\n", ir_code);
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break;
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}
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PINB |= (1<<nPS_ON);
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} else {
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printf("IR addr: %u, command: %u\n", address, command);
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puts("IR command not learned");
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}
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}
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@ -31,5 +31,6 @@ extern volatile uint8_t* DDRS[CHANNELS_1+CHANNELS_2]; /* channel I/O configurati
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extern const uint8_t BITS[CHANNELS_1+CHANNELS_2]; /* channel bits */
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void ioinit(void);
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void uart_action(char c);
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void help(void);
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void uart_action(char* str);
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void ir_action(uint8_t address, uint8_t command);
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@ -9,8 +9,8 @@ enum IR_ACTIONS { /* the actions for the infrared remote control */
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MODE,
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BRIGHTNESS_UP,
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BRIGHTNESS_DOWN,
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CHANNEL_UP,
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CHANNEL_DOWN,
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CHANNEL_NEXT,
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CHANNEL_PREVIOUS,
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IR_ACTION_END
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};
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extern uint8_t ir_keys[IR_ACTION_END][2]; // the IR NEC values (address+command) for the actions
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