0e58c5810d
This allows to set the pulse width (for PWM mode) as a ratio relative to the period of the timer. Eg, 0.5 is a 50% duty cycle. You can set the ratio in the channel init, or using channel.pulse_width_ratio; the latter can also read the pulse width as a ratio.
46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
/*
|
|
* This file is part of the Micro Python project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2013, 2014 Damien P. George
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
// Periodically, the state of the buffer "UserTxBuffer" is checked.
|
|
// The period depends on USBD_CDC_POLLING_INTERVAL
|
|
// The value is in ms. The max is 65 and the min is 1.
|
|
#define USBD_CDC_POLLING_INTERVAL (10)
|
|
|
|
extern TIM_HandleTypeDef TIM3_Handle;
|
|
extern TIM_HandleTypeDef TIM5_Handle;
|
|
extern TIM_HandleTypeDef TIM6_Handle;
|
|
|
|
extern const mp_obj_type_t pyb_timer_type;
|
|
|
|
void timer_init0(void);
|
|
void timer_tim3_init(void);
|
|
void timer_tim5_init(void);
|
|
void timer_tim6_init(uint freq);
|
|
|
|
void timer_deinit(void);
|
|
|
|
void timer_irq_handler(uint tim_id);
|