diff options
author | Christian Pointner <equinox@spreadspace.org> | 2015-06-21 22:47:21 +0200 |
---|---|---|
committer | Christian Pointner <equinox@spreadspace.org> | 2015-06-21 22:47:21 +0200 |
commit | 24a1b19d6b6671284f05c63b03e420a408828bb9 (patch) | |
tree | d3b00a47612d60a23d3f7f1678885e563dabe687 /usb-pwm/usb-pwm.c | |
parent | use printf_P(PSTR(__fmt__... where possible (diff) |
dos2unix for all files
Diffstat (limited to 'usb-pwm/usb-pwm.c')
-rw-r--r-- | usb-pwm/usb-pwm.c | 224 |
1 files changed, 112 insertions, 112 deletions
diff --git a/usb-pwm/usb-pwm.c b/usb-pwm/usb-pwm.c index a6fe2ad..14f42fb 100644 --- a/usb-pwm/usb-pwm.c +++ b/usb-pwm/usb-pwm.c @@ -1,112 +1,112 @@ -/*
- * spreadspace avr utils
- *
- *
- * Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *
- * This file is part of spreadspace avr utils.
- *
- * spreadspace avr utils 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, either version 3 of the License, or
- * any later version.
- *
- * spreadspace avr utils 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 spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-#include <avr/io.h>
-#include <avr/wdt.h>
-#include <avr/interrupt.h>
-#include <avr/power.h>
-#include <stdio.h>
-
-#include "util.h"
-#include "led.h"
-#include "usbio.h"
-
-
-#define PWM_VAL OCR1BL
-
-void pwm_init(void)
-{
- DDRB |= (1<<PB6);
- TCCR1B = 0;
- TCNT1 = 0;
- OCR1B = 0;
- TCCR1A = (1<<COM1B1) | (1<<WGM10);
- TCCR1B = (1<<WGM12);
-}
-
-inline void pwm_on(void)
-{
- TCCR1B = (TCCR1B & 0xF8) | (1<<CS10);
-}
-
-inline void pwm_off(void)
-{
- TCCR1B = (TCCR1B & 0xF8);
- TCNT1 = 0;
-}
-
-inline void pwm_set(uint8_t val)
-{
- PWM_VAL = val;
-}
-
-inline void pwm_inc(void)
-{
- if(PWM_VAL < 255)
- PWM_VAL++;
-}
-
-inline void pwm_dec(void)
-{
- if(PWM_VAL > 0)
- PWM_VAL--;
-}
-
-
-void handle_cmd(uint8_t cmd)
-{
- switch(cmd) {
- case '0': pwm_off(); led_off(); printf("ok\r\n"); break;
- case '1': pwm_on(); led_on(); printf("ok\r\n"); break;
- case '+': pwm_inc(); printf("pwm = %d\r\n", PWM_VAL); break;
- case '-': pwm_dec(); printf("pwm = %d\r\n", PWM_VAL); break;
- case 'r': reset2bootloader(); break;
- default: printf("error\r\n"); return;
- }
-
-}
-
-int main(void)
-{
- MCUSR &= ~(1 << WDRF);
- wdt_disable();
-
- cpu_init();
- led_init();
- usbio_init();
- pwm_init();
- sei();
-
- for(;;) {
- int16_t BytesReceived = usbio_bytes_received();
- while(BytesReceived > 0) {
- int ReceivedByte = fgetc(stdin);
- if(ReceivedByte != EOF) {
- handle_cmd(ReceivedByte);
- }
- BytesReceived--;
- }
-
- usbio_task();
- }
-}
+/* + * spreadspace avr utils + * + * + * Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org> + * + * This file is part of spreadspace avr utils. + * + * spreadspace avr utils 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, either version 3 of the License, or + * any later version. + * + * spreadspace avr utils 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 spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>. + */ + + +#include <avr/io.h> +#include <avr/wdt.h> +#include <avr/interrupt.h> +#include <avr/power.h> +#include <stdio.h> + +#include "util.h" +#include "led.h" +#include "usbio.h" + + +#define PWM_VAL OCR1BL + +void pwm_init(void) +{ + DDRB |= (1<<PB6); + TCCR1B = 0; + TCNT1 = 0; + OCR1B = 0; + TCCR1A = (1<<COM1B1) | (1<<WGM10); + TCCR1B = (1<<WGM12); +} + +inline void pwm_on(void) +{ + TCCR1B = (TCCR1B & 0xF8) | (1<<CS10); +} + +inline void pwm_off(void) +{ + TCCR1B = (TCCR1B & 0xF8); + TCNT1 = 0; +} + +inline void pwm_set(uint8_t val) +{ + PWM_VAL = val; +} + +inline void pwm_inc(void) +{ + if(PWM_VAL < 255) + PWM_VAL++; +} + +inline void pwm_dec(void) +{ + if(PWM_VAL > 0) + PWM_VAL--; +} + + +void handle_cmd(uint8_t cmd) +{ + switch(cmd) { + case '0': pwm_off(); led_off(); printf("ok\r\n"); break; + case '1': pwm_on(); led_on(); printf("ok\r\n"); break; + case '+': pwm_inc(); printf("pwm = %d\r\n", PWM_VAL); break; + case '-': pwm_dec(); printf("pwm = %d\r\n", PWM_VAL); break; + case 'r': reset2bootloader(); break; + default: printf("error\r\n"); return; + } + +} + +int main(void) +{ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + cpu_init(); + led_init(); + usbio_init(); + pwm_init(); + sei(); + + for(;;) { + int16_t BytesReceived = usbio_bytes_received(); + while(BytesReceived > 0) { + int ReceivedByte = fgetc(stdin); + if(ReceivedByte != EOF) { + handle_cmd(ReceivedByte); + } + BytesReceived--; + } + + usbio_task(); + } +} |