diff options
Diffstat (limited to 'circuitpython/shared-module/gamepadshift')
4 files changed, 185 insertions, 0 deletions
diff --git a/circuitpython/shared-module/gamepadshift/GamePadShift.c b/circuitpython/shared-module/gamepadshift/GamePadShift.c new file mode 100644 index 0000000..0fb7d1e --- /dev/null +++ b/circuitpython/shared-module/gamepadshift/GamePadShift.c @@ -0,0 +1,52 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2016 Radomir Dopieralski 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 "py/mpstate.h" +#include "shared-bindings/digitalio/DigitalInOut.h" +#include "shared-bindings/gamepadshift/GamePadShift.h" +#include "shared-module/gamepadshift/GamePadShift.h" +#include "supervisor/shared/tick.h" + +void common_hal_gamepadshift_gamepadshift_init(gamepadshift_obj_t *gamepadshift, + digitalio_digitalinout_obj_t *clock_pin, + digitalio_digitalinout_obj_t *data_pin, + digitalio_digitalinout_obj_t *latch_pin) { + common_hal_digitalio_digitalinout_switch_to_input(data_pin, PULL_NONE); + gamepadshift->data_pin = data_pin; + common_hal_digitalio_digitalinout_switch_to_output(clock_pin, 0, + DRIVE_MODE_PUSH_PULL); + gamepadshift->clock_pin = clock_pin; + common_hal_digitalio_digitalinout_switch_to_output(latch_pin, 1, + DRIVE_MODE_PUSH_PULL); + gamepadshift->latch_pin = latch_pin; + + gamepadshift->last = 0; +} + +void common_hal_gamepadshift_gamepadshift_deinit(gamepadshift_obj_t *gamepadshift) { + MP_STATE_VM(gamepad_singleton) = NULL; + supervisor_disable_tick(); +} diff --git a/circuitpython/shared-module/gamepadshift/GamePadShift.h b/circuitpython/shared-module/gamepadshift/GamePadShift.h new file mode 100644 index 0000000..53aef50 --- /dev/null +++ b/circuitpython/shared-module/gamepadshift/GamePadShift.h @@ -0,0 +1,43 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2016 Radomir Dopieralski 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_GAMEPADSHIFT_GAMEPADSHIFT_H +#define MICROPY_INCLUDED_GAMEPADSHIFT_GAMEPADSHIFT_H + +#include <stdint.h> + +#include "shared-bindings/digitalio/DigitalInOut.h" + +typedef struct { + mp_obj_base_t base; + digitalio_digitalinout_obj_t *data_pin; + digitalio_digitalinout_obj_t *clock_pin; + digitalio_digitalinout_obj_t *latch_pin; + volatile uint8_t pressed; + volatile uint8_t last; +} gamepadshift_obj_t; + +#endif // MICROPY_INCLUDED_GAMEPADSHIFT_GAMEPADSHIFT_H diff --git a/circuitpython/shared-module/gamepadshift/__init__.c b/circuitpython/shared-module/gamepadshift/__init__.c new file mode 100644 index 0000000..eadd303 --- /dev/null +++ b/circuitpython/shared-module/gamepadshift/__init__.c @@ -0,0 +1,57 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2019 Scott Shawcroft + * + * 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 "shared-module/gamepadshift/__init__.h" + +#include "py/mpstate.h" +#include "shared-bindings/gamepadshift/GamePadShift.h" + +void gamepadshift_tick(void) { + void *singleton = MP_STATE_VM(gamepad_singleton); + if (singleton == NULL || !mp_obj_is_type(MP_OBJ_FROM_PTR(singleton), &gamepadshift_type)) { + return; + } + + gamepadshift_obj_t *self = MP_OBJ_TO_PTR(singleton); + uint8_t current = 0; + uint8_t bit = 1; + common_hal_digitalio_digitalinout_set_value(self->latch_pin, 1); + for (int i = 0; i < 8; ++i) { + common_hal_digitalio_digitalinout_set_value(self->clock_pin, 0); + if (common_hal_digitalio_digitalinout_get_value(self->data_pin)) { + current |= bit; + } + common_hal_digitalio_digitalinout_set_value(self->clock_pin, 1); + bit <<= 1; + } + common_hal_digitalio_digitalinout_set_value(self->latch_pin, 0); + self->pressed |= self->last & current; + self->last = current; +} + +void gamepadshift_reset(void) { + MP_STATE_VM(gamepad_singleton) = NULL; +} diff --git a/circuitpython/shared-module/gamepadshift/__init__.h b/circuitpython/shared-module/gamepadshift/__init__.h new file mode 100644 index 0000000..225db73 --- /dev/null +++ b/circuitpython/shared-module/gamepadshift/__init__.h @@ -0,0 +1,33 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2016 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_GAMEPADSHIFT___INIT___H +#define MICROPY_INCLUDED_GAMEPADSHIFT___INIT___H + +void gamepadshift_tick(void); +void gamepadshift_reset(void); + +#endif // MICROPY_INCLUDED_GAMEPADSHIFT___INIT___H |