57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
|
/*
|
||
|
|
Copyright 2022, Savanni D'Gerinel <savanni@luminescent-dreams.com>
|
||
|
|
|
||
|
|
This file is part of Savanni's AVR library.
|
||
|
|
|
||
|
|
This AVR library 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 (at your option) any later version.
|
||
|
|
|
||
|
|
This AVR library 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 Lumeto. If not, see <https://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __TIMER_H__
|
||
|
|
#define __TIMER_H__
|
||
|
|
|
||
|
|
#include <avr/io.h>
|
||
|
|
|
||
|
|
// ATmega16U4/32U4 Datasheet, table 14.4, page 133
|
||
|
|
typedef enum {
|
||
|
|
normal,
|
||
|
|
pwm_phasecorrect_8bit,
|
||
|
|
pwm_phasecorrect_9bit,
|
||
|
|
pwm_phasecorrect_10bit,
|
||
|
|
ctc,
|
||
|
|
fast_pwm_8bit,
|
||
|
|
fast_pwm_9bit,
|
||
|
|
fast_pwm_10bit,
|
||
|
|
pwm_phase_and_frequency_correct_icrtop,
|
||
|
|
pwm_phase_and_frequency_correct_ocrtop,
|
||
|
|
pwm_phase_correct_icrtop,
|
||
|
|
pwm_phase_correct_ocrtop,
|
||
|
|
ctc_icr,
|
||
|
|
fast_pwm_icrtop,
|
||
|
|
fast_pwm_ocrtop,
|
||
|
|
} timer_mode_t;
|
||
|
|
|
||
|
|
// Clock prescaler selector, ATmega16U4/32U4 Datasheet, table 14.5, page 1354p
|
||
|
|
typedef enum {
|
||
|
|
none,
|
||
|
|
clk_1,
|
||
|
|
clk_8,
|
||
|
|
clk_64,
|
||
|
|
clk_256,
|
||
|
|
clk_1024,
|
||
|
|
external_falling_edge,
|
||
|
|
external_rising_edge,
|
||
|
|
} clock_select_t;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
volatile uint8_t count_msb;
|
||
|
|
volatile uint8_t count_lsb;
|
||
|
|
volatile uint8_t top_msb;
|
||
|
|
volatile uint8_t top_lsb;
|
||
|
|
} timer_16bit_t;
|
||
|
|
|
||
|
|
#endif
|