djsundog
/
circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

moves 'shared_timer_handler' back to atmel-samd from samd-peripherals

This commit is contained in:
sommersoft 2019-02-16 19:54:16 -06:00
parent 90bc09a31e
commit dafc370d22
5 changed files with 95 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
ports/atmel-samd/common-hal/audioio/AudioOut.c
View File

@ -47,6 +47,7 @@
#endif
#include "audio_dma.h"
#include "timer_handler.h"
#include "samd/dma.h"
#include "samd/events.h"
@ -251,7 +252,7 @@ void common_hal_audioio_audioout_construct(audioio_audioout_obj_t* self,
tc_gclk = 1;
#endif
turn_on_clocks(true, tc_index, tc_gclk);
turn_on_clocks(true, tc_index, tc_gclk, TC_HANDLER_NO_INTERRUPT);
// Don't bother setting the period. We set it before you playback anything.
tc_set_enable(t, false);

3
ports/atmel-samd/common-hal/pulseio/PWMOut.c
View File

@ -31,6 +31,7 @@
#include "common-hal/pulseio/PWMOut.h"
#include "shared-bindings/pulseio/PWMOut.h"
#include "shared-bindings/microcontroller/Processor.h"
#include "timer_handler.h"
#include "atmel_start_pins.h"
#include "hal/utils/include/utils_repeat_macro.h"
@ -235,7 +236,7 @@ pwmout_result_t common_hal_pulseio_pwmout_construct(pulseio_pwmout_obj_t* self,
}
// We use the zeroeth clock on either port to go full speed.
turn_on_clocks(timer->is_tc, timer->index, 0);
turn_on_clocks(timer->is_tc, timer->index, 0, TC_HANDLER_NO_INTERRUPT);
if (timer->is_tc) {
tc_periods[timer->index] = top;

5
ports/atmel-samd/common-hal/pulseio/PulseOut.c
View File

@ -37,6 +37,7 @@
#include "py/runtime.h"
#include "shared-bindings/pulseio/PulseOut.h"
#include "supervisor/shared/translate.h"
#include "timer_handler.h"
// This timer is shared amongst all PulseOut objects under the assumption that
// the code is single threaded.
@ -115,10 +116,10 @@ void common_hal_pulseio_pulseout_construct(pulseio_pulseout_obj_t* self,
// We use GCLK0 for SAMD21 and GCLK1 for SAMD51 because they both run at 48mhz making our
// math the same across the boards.
#ifdef SAMD21
turn_on_clocks(true, index, 0);
turn_on_clocks(true, index, 0, TC_HANDLER_PULSEOUT);
#endif
#ifdef SAMD51
turn_on_clocks(true, index, 1);
turn_on_clocks(true, index, 1, TC_HANDLER_PULSEOUT);
#endif

52
ports/atmel-samd/timer_handler.c Normal file
View File

@ -0,0 +1,52 @@
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
*
* 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.
*/
#include <stdbool.h>
#include <stdint.h>
#include "timer_handler.h"
#include "common-hal/pulseio/PulseOut.h"
#include "common-hal/pulseio/FrequencyIn.h"
static uint8_t tc_handler[TC_INST_NUM];
void set_timer_handler(uint8_t index, uint8_t timer_handler) {
tc_handler[index] = timer_handler;
}
void shared_timer_handler(bool is_tc, uint8_t index) {
// Add calls to interrupt handlers for specific functionality here.
// Make sure to add the handler #define to timer_handler.h
if (is_tc) {
uint8_t handler = tc_handler[index];
if (handler == TC_HANDLER_PULSEOUT) {
pulseout_interrupt_handler(index);
} else if (handler == TC_HANDLER_FREQUENCYIN) {
frequencyin_interrupt_handler(index);
}
}
}

36
ports/atmel-samd/timer_handler.h Normal file
View File

@ -0,0 +1,36 @@
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
*
* 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_ATMEL_SAMD_TIMER_HANDLER_H
#define MICROPY_INCLUDED_ATMEL_SAMD_TIMER_HANDLER_H
#define TC_HANDLER_NO_INTERRUPT 0x0
#define TC_HANDLER_PULSEOUT 0x1
#define TC_HANDLER_FREQUENCYIN 0x2
void set_timer_handler(uint8_t index, uint8_t timer_handler);
void shared_timer_handler(bool is_tc, uint8_t index);
#endif // MICROPY_INCLUDED_ATMEL_SAMD_TIMER_HANDLER_H