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micropython/ports/samd/modmachine.h

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samd: Add Pin and LED classes, and machine.unique_id.
2021-05-20 09:15:36 +01:00
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 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.
*/
#ifndef MICROPY_INCLUDED_SAMD_MODMACHINE_H
#define MICROPY_INCLUDED_SAMD_MODMACHINE_H
#include "py/obj.h"
samd/machine_adc: Add the machine.ADC class. With the method read_u16(). Keyword arguments of the constructor are: - bits=n The resolution; default is 12. - average=n The average of samples, which are taken and cumulated. The default value is 16. Averaging by hw is faster than averaging in code. The ADC runs at a clock freq 1.5 MHz. A single 12 bit conversion takes 8 microseconds.
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extern const mp_obj_type_t machine_adc_type;
samd/machine_dac: Add the machine.DAC class. It suuports 1 channel @ 10 bit for SAMD21, 2 channels @ 12 bit for SAMD51. Instantiation by: dac = machine.DAC(ch) # 0 or 1 Method write: dac.write(value) The output voltage range is 0..Vdd.
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extern const mp_obj_type_t machine_dac_type;
samd: Rename machine I2C type consistently across ports. This renames: - machine_hw_i2c_type -> machine_i2c_type
2022-10-06 19:22:57 +01:00
extern const mp_obj_type_t machine_i2c_type;
samd/machine_adc: Add the machine.ADC class. With the method read_u16(). Keyword arguments of the constructor are: - bits=n The resolution; default is 12. - average=n The average of samples, which are taken and cumulated. The default value is 16. Averaging by hw is faster than averaging in code. The ADC runs at a clock freq 1.5 MHz. A single 12 bit conversion takes 8 microseconds.
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extern const mp_obj_type_t machine_pin_type;
samd/machine_pwm: Add the machine.PWM class. Features are: - 3 to 5 different frequency groups. - Freq range of 1Hz - 24 MHz. - Duty rate stays stable on freq change. Keyword options to the PWM constructor: - device=n Select a specific PWM device. If no device is specified, a free device is chosen, if available at that pin. - freq=nnnn - duty_u16=nnnn - duty_ns=nnnn - invert=True/False Allowing two outputs on the same device/channel to have complementary signals. If both freq and duty are provided, PWM output will start immediately. Pins at the same device have the same frequency. If the PWM output number exceeds the number of channels at the PWM device, the effctive channel_no is output_no % channel_count. So with a channel count of 4, output 7 is assigned to channel 3. Pins at a certain channel have the same frequency and duty rate, but may be seperately inverted.
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extern const mp_obj_type_t machine_pwm_type;
samd/machine_spi: Add the machine.SPI class. Suported by both SAMD21 and SAMD51. It follows the generic API, except for the bits=nn option, which is not implemented (yet).
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extern const mp_obj_type_t machine_spi_type;
samd/machine_timer: Add machine.Timer based on the shared soft-timer.
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extern const mp_obj_type_t machine_timer_type;
samd/machine_uart: Add the machine.UART class. All board pins that have UART's assigned can be used. Baud rate range is 75 Baud to ~2 MBaud. No flow control yet, and only RX is buffered. TX buffer and flow control may be added later for SAMD51 with its larger RAM and Flash.
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extern const mp_obj_type_t machine_uart_type;
samd/machine_wdt: Add the machine.WDT class.
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extern const mp_obj_type_t machine_wdt_type;
samd/machine_rtc: Add the machine.RTC class. Methods implemented are: - rtc.init(date) - rtc.datetime([new_date]) - rtc.calibration(value) The presence of this class can be controlled by MICROPY_PY_MACHINE_RTC. If the RTC module is used, the time module uses the RTC as well. For boards without a 32kHz crystal, using RTC makes no sense, since it will then use the ULP32K oscillator, which is not precise at all. Therefore, it will by default only be enabled for boards using a crystal, but can be enabled in the respective mpconfigboard.h.
2022-09-15 14:58:54 +01:00
#if MICROPY_PY_MACHINE_RTC
extern const mp_obj_type_t machine_rtc_type;
#endif
samd: Add Pin and LED classes, and machine.unique_id.
2021-05-20 09:15:36 +01:00
samd: Support entering bootloader via USB CDC 1200bps touch.
2022-12-11 14:33:16 +00:00
NORETURN mp_obj_t machine_bootloader(size_t n_args, const mp_obj_t *args);
samd: Add Pin and LED classes, and machine.unique_id.
2021-05-20 09:15:36 +01:00
#endif // MICROPY_INCLUDED_SAMD_MODMACHINE_H