diff --git a/ports/raspberrypi/common-hal/microcontroller/__init__.c b/ports/raspberrypi/common-hal/microcontroller/__init__.c index e454ffa1b7..774e313bb4 100644 --- a/ports/raspberrypi/common-hal/microcontroller/__init__.c +++ b/ports/raspberrypi/common-hal/microcontroller/__init__.c @@ -112,6 +112,17 @@ const nvm_bytearray_obj_t common_hal_mcu_nvm_obj = { }; #endif +#if CIRCUITPY_WATCHDOG +// The singleton watchdog.WatchDogTimer object. +watchdog_watchdogtimer_obj_t common_hal_mcu_watchdogtimer_obj = { + .base = { + .type = &watchdog_watchdogtimer_type, + }, + .timeout = 0.0f, + .mode = WATCHDOGMODE_NONE, +}; +#endif + // This maps MCU pin names to pin objects. const mp_rom_map_elem_t mcu_pin_global_dict_table[TOTAL_GPIO_COUNT] = { { MP_ROM_QSTR(MP_QSTR_GPIO0), MP_ROM_PTR(&pin_GPIO0) }, diff --git a/ports/raspberrypi/common-hal/watchdog/WatchDogMode.c b/ports/raspberrypi/common-hal/watchdog/WatchDogMode.c new file mode 100644 index 0000000000..fc4e0e008c --- /dev/null +++ b/ports/raspberrypi/common-hal/watchdog/WatchDogMode.c @@ -0,0 +1 @@ +// No watchdog module functions. diff --git a/ports/raspberrypi/common-hal/watchdog/WatchDogTimer.c b/ports/raspberrypi/common-hal/watchdog/WatchDogTimer.c new file mode 100644 index 0000000000..9184d1561a --- /dev/null +++ b/ports/raspberrypi/common-hal/watchdog/WatchDogTimer.c @@ -0,0 +1,83 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2020 microDev + * + * 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 "py/runtime.h" +#include "common-hal/watchdog/WatchDogTimer.h" + +#include "shared-bindings/watchdog/__init__.h" +#include "shared-bindings/microcontroller/__init__.h" + +#include "hardware/watchdog.h" + +void common_hal_watchdog_feed(watchdog_watchdogtimer_obj_t *self) { + watchdog_update(); +} + +void common_hal_watchdog_deinit(watchdog_watchdogtimer_obj_t *self) { + if (self->mode == WATCHDOGMODE_RESET) { + mp_raise_RuntimeError(translate("WatchDogTimer cannot be deinitialized once mode is set to RESET")); + } else { + self->mode = WATCHDOGMODE_NONE; + } +} + +/* +void watchdog_reset(void) { + common_hal_watchdog_deinit(&common_hal_mcu_watchdogtimer_obj); +} +*/ + +mp_float_t common_hal_watchdog_get_timeout(watchdog_watchdogtimer_obj_t *self) { + return self->timeout; +} + +void common_hal_watchdog_set_timeout(watchdog_watchdogtimer_obj_t *self, mp_float_t new_timeout) { + // max timeout is 8.388607 sec + // this is rounded down to 8.388 sec + uint64_t timeout = new_timeout * 1000; + if (timeout > 8388) { + mp_raise_ValueError(translate("timeout duration exceeded the maximum supported value")); + } + if ((uint16_t)self->timeout != timeout) { + watchdog_enable(timeout, false); + self->timeout = new_timeout; + } +} + +watchdog_watchdogmode_t common_hal_watchdog_get_mode(watchdog_watchdogtimer_obj_t *self) { + return self->mode; +} + +void common_hal_watchdog_set_mode(watchdog_watchdogtimer_obj_t *self, watchdog_watchdogmode_t new_mode) { + if (self->mode != new_mode) { + if (new_mode == WATCHDOGMODE_RAISE) { + mp_raise_NotImplementedError(translate("RAISE mode is not implemented")); + } else if (new_mode == WATCHDOGMODE_NONE) { + common_hal_watchdog_deinit(self); + } + self->mode = new_mode; + } +} diff --git a/ports/raspberrypi/common-hal/watchdog/WatchDogTimer.h b/ports/raspberrypi/common-hal/watchdog/WatchDogTimer.h new file mode 100644 index 0000000000..ec1e2f6592 --- /dev/null +++ b/ports/raspberrypi/common-hal/watchdog/WatchDogTimer.h @@ -0,0 +1,43 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2020 microDev + * + * 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_RASPBERRYPI_COMMON_HAL_WATCHDOG_WATCHDOGTIMER_H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_WATCHDOG_WATCHDOGTIMER_H + +#include "py/obj.h" +#include "shared-bindings/watchdog/WatchDogMode.h" +#include "shared-bindings/watchdog/WatchDogTimer.h" + +struct _watchdog_watchdogtimer_obj_t { + mp_obj_base_t base; + mp_float_t timeout; + watchdog_watchdogmode_t mode; +}; + +// This needs to be called in order to disable the watchdog +// void watchdog_reset(void); + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_WATCHDOG_WATCHDOGTIMER_H diff --git a/ports/raspberrypi/common-hal/watchdog/__init__.c b/ports/raspberrypi/common-hal/watchdog/__init__.c new file mode 100644 index 0000000000..fc4e0e008c --- /dev/null +++ b/ports/raspberrypi/common-hal/watchdog/__init__.c @@ -0,0 +1 @@ +// No watchdog module functions. diff --git a/ports/raspberrypi/mpconfigport.mk b/ports/raspberrypi/mpconfigport.mk index 138896d41c..5c930d7cc8 100644 --- a/ports/raspberrypi/mpconfigport.mk +++ b/ports/raspberrypi/mpconfigport.mk @@ -36,6 +36,7 @@ CIRCUITPY_NVM = 0 CIRCUITPY_PULSEIO = 0 # Use PIO interally CIRCUITPY_ROTARYIO = 0 # Use PIO interally CIRCUITPY_RTC = 0 +CIRCUITPY_WATCHDOG = 1 # Things that are unsupported by the hardware. CIRCUITPY_AUDIOIO = 0