diff options
Diffstat (limited to 'ports/esp32s2')
| -rw-r--r-- | ports/esp32s2/Makefile | 1 | ||||
| -rw-r--r-- | ports/esp32s2/common-hal/alarm/__init__.c | 26 | ||||
| -rw-r--r-- | ports/esp32s2/common-hal/alarm/touch/TouchAlarm.c | 153 | ||||
| -rw-r--r-- | ports/esp32s2/common-hal/alarm/touch/TouchAlarm.h | 46 | ||||
| -rw-r--r-- | ports/esp32s2/common-hal/touchio/TouchIn.c | 28 | ||||
| -rw-r--r-- | ports/esp32s2/common-hal/touchio/TouchIn.h | 5 | ||||
| -rw-r--r-- | ports/esp32s2/peripherals/pins.h | 2 | ||||
| -rw-r--r-- | ports/esp32s2/peripherals/touch.c | 53 | ||||
| -rw-r--r-- | ports/esp32s2/peripherals/touch.h | 36 | ||||
| -rw-r--r-- | ports/esp32s2/supervisor/port.c | 4 |
10 files changed, 314 insertions, 40 deletions
diff --git a/ports/esp32s2/Makefile b/ports/esp32s2/Makefile index e08b8a792..f33a1d2eb 100644 --- a/ports/esp32s2/Makefile +++ b/ports/esp32s2/Makefile @@ -193,6 +193,7 @@ SRC_C += \ lib/utils/sys_stdio_mphal.c \ lib/netutils/netutils.c \ peripherals/timer.c \ + peripherals/touch.c \ peripherals/pcnt.c \ peripherals/pins.c \ peripherals/rmt.c \ diff --git a/ports/esp32s2/common-hal/alarm/__init__.c b/ports/esp32s2/common-hal/alarm/__init__.c index f2686cf18..47764a03a 100644 --- a/ports/esp32s2/common-hal/alarm/__init__.c +++ b/ports/esp32s2/common-hal/alarm/__init__.c @@ -31,11 +31,13 @@ #include "py/runtime.h" #include "shared-bindings/alarm/__init__.h" -#include "shared-bindings/alarm/pin/PinAlarm.h" #include "shared-bindings/alarm/SleepMemory.h" +#include "shared-bindings/alarm/pin/PinAlarm.h" #include "shared-bindings/alarm/time/TimeAlarm.h" -#include "shared-bindings/microcontroller/__init__.h" +#include "shared-bindings/alarm/touch/TouchAlarm.h" + #include "shared-bindings/wifi/__init__.h" +#include "shared-bindings/microcontroller/__init__.h" #include "supervisor/port.h" #include "supervisor/shared/workflow.h" @@ -53,20 +55,23 @@ const alarm_sleep_memory_obj_t alarm_sleep_memory_obj = { }; void alarm_reset(void) { - alarm_time_timealarm_reset(); - alarm_pin_pinalarm_reset(); alarm_sleep_memory_reset(); + alarm_pin_pinalarm_reset(); + alarm_time_timealarm_reset(); + alarm_touch_touchalarm_reset(); esp_sleep_disable_wakeup_source(ESP_SLEEP_WAKEUP_ALL); } STATIC esp_sleep_wakeup_cause_t _get_wakeup_cause(void) { + if (alarm_pin_pinalarm_woke_us_up()) { + return ESP_SLEEP_WAKEUP_GPIO; + } if (alarm_time_timealarm_woke_us_up()) { return ESP_SLEEP_WAKEUP_TIMER; } - if (alarm_pin_pinalarm_woke_us_up()) { - return ESP_SLEEP_WAKEUP_GPIO; + if (alarm_touch_touchalarm_woke_us_up()) { + return ESP_SLEEP_WAKEUP_TOUCHPAD; } - return esp_sleep_get_wakeup_cause(); } @@ -88,8 +93,7 @@ STATIC mp_obj_t _get_wake_alarm(size_t n_alarms, const mp_obj_t *alarms) { } case ESP_SLEEP_WAKEUP_TOUCHPAD: - // TODO: implement TouchIO - // Wake up from touch on pad, esp_sleep_get_touchpad_wakeup_status() + return alarm_touch_touchalarm_get_wakeup_alarm(n_alarms, alarms); break; case ESP_SLEEP_WAKEUP_UNDEFINED: @@ -108,6 +112,7 @@ mp_obj_t common_hal_alarm_get_wake_alarm(void) { STATIC void _setup_sleep_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms) { alarm_pin_pinalarm_set_alarms(deep_sleep, n_alarms, alarms); alarm_time_timealarm_set_alarms(deep_sleep, n_alarms, alarms); + alarm_touch_touchalarm_set_alarm(deep_sleep, n_alarms, alarms); } STATIC void _idle_until_alarm(void) { @@ -116,9 +121,9 @@ STATIC void _idle_until_alarm(void) { RUN_BACKGROUND_TASKS; // Allow ctrl-C interrupt. if (alarm_woken_from_sleep()) { + alarm_save_wake_alarm(); return; } - port_idle_until_interrupt(); } } @@ -144,6 +149,7 @@ void common_hal_alarm_set_deep_sleep_alarms(size_t n_alarms, const mp_obj_t *ala void NORETURN alarm_enter_deep_sleep(void) { alarm_pin_pinalarm_prepare_for_deep_sleep(); + alarm_touch_touchalarm_prepare_for_deep_sleep(); // The ESP-IDF caches the deep sleep settings and applies them before sleep. // We don't need to worry about resetting them in the interim. esp_deep_sleep_start(); diff --git a/ports/esp32s2/common-hal/alarm/touch/TouchAlarm.c b/ports/esp32s2/common-hal/alarm/touch/TouchAlarm.c new file mode 100644 index 000000000..20553877c --- /dev/null +++ b/ports/esp32s2/common-hal/alarm/touch/TouchAlarm.c @@ -0,0 +1,153 @@ +/* + * 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 "shared-bindings/alarm/touch/TouchAlarm.h" +#include "shared-bindings/microcontroller/__init__.h" + +#include "esp_sleep.h" +#include "peripherals/touch.h" +#include "supervisor/esp_port.h" + +static volatile bool woke_up = false; +static touch_pad_t touch_channel = TOUCH_PAD_MAX; + +void common_hal_alarm_touch_touchalarm_construct(alarm_touch_touchalarm_obj_t *self, const mcu_pin_obj_t *pin) { + if (pin->touch_channel == TOUCH_PAD_MAX) { + mp_raise_ValueError(translate("Invalid pin")); + } + claim_pin(pin); + self->pin = pin; +} + +mp_obj_t alarm_touch_touchalarm_get_wakeup_alarm(const size_t n_alarms, const mp_obj_t *alarms) { + // First, check to see if we match any given alarms. + for (size_t i = 0; i < n_alarms; i++) { + if (MP_OBJ_IS_TYPE(alarms[i], &alarm_touch_touchalarm_type)) { + return alarms[i]; + } + } + + alarm_touch_touchalarm_obj_t *alarm = m_new_obj(alarm_touch_touchalarm_obj_t); + alarm->base.type = &alarm_touch_touchalarm_type; + alarm->pin = NULL; + + // Map the pin number back to a pin object. + for (size_t i = 0; i < mcu_pin_globals.map.used; i++) { + const mcu_pin_obj_t* pin_obj = MP_OBJ_TO_PTR(mcu_pin_globals.map.table[i].value); + if (pin_obj->touch_channel == touch_channel) { + alarm->pin = mcu_pin_globals.map.table[i].value; + break; + } + } + + return alarm; +} + +// This is used to wake the main CircuitPython task. +void touch_interrupt(void *arg) { + (void) arg; + woke_up = true; + BaseType_t task_wakeup; + vTaskNotifyGiveFromISR(circuitpython_task, &task_wakeup); + if (task_wakeup) { + portYIELD_FROM_ISR(); + } +} + +void alarm_touch_touchalarm_set_alarm(const bool deep_sleep, const size_t n_alarms, const mp_obj_t *alarms) { + bool touch_alarm_set = false; + alarm_touch_touchalarm_obj_t *touch_alarm = MP_OBJ_NULL; + + for (size_t i = 0; i < n_alarms; i++) { + if (MP_OBJ_IS_TYPE(alarms[i], &alarm_touch_touchalarm_type)) { + if (!touch_alarm_set) { + touch_alarm = MP_OBJ_TO_PTR(alarms[i]); + touch_alarm_set = true; + } else { + mp_raise_ValueError(translate("Only one alarm.touch alarm can be set.")); + } + } + } + if (!touch_alarm_set) { + return; + } + + touch_channel = touch_alarm->pin->touch_channel; + + // configure interrupt for pretend to deep sleep + // this will be disabled if we actually deep sleep + + // intialize touchpad + peripherals_touch_reset(); + peripherals_touch_never_reset(true); + peripherals_touch_init(touch_channel); + + // wait for touch data to reset + mp_hal_delay_ms(10); + + // configure trigger threshold + uint32_t touch_value; + touch_pad_read_benchmark(touch_channel, &touch_value); + touch_pad_set_thresh(touch_channel, touch_value * 0.1); //10% + + // configure touch interrupt + touch_pad_timeout_set(true, SOC_TOUCH_PAD_THRESHOLD_MAX); + touch_pad_isr_register(touch_interrupt, NULL, TOUCH_PAD_INTR_MASK_ALL); + touch_pad_intr_enable(TOUCH_PAD_INTR_MASK_ACTIVE | TOUCH_PAD_INTR_MASK_INACTIVE | TOUCH_PAD_INTR_MASK_TIMEOUT); +} + +void alarm_touch_touchalarm_prepare_for_deep_sleep(void) { + // intialize touchpad + peripherals_touch_never_reset(false); + peripherals_touch_reset(); + peripherals_touch_init(touch_channel); + + // configure touchpad for sleep + touch_pad_sleep_channel_enable(touch_channel, true); + touch_pad_sleep_channel_enable_proximity(touch_channel, false); + + // wait for touch data to reset + mp_hal_delay_ms(10); + + // configure trigger threshold + uint32_t touch_value; + touch_pad_sleep_channel_read_smooth(touch_channel, &touch_value); + touch_pad_sleep_set_threshold(touch_channel, touch_value * 0.1); //10% + + // enable touchpad wakeup + esp_sleep_enable_touchpad_wakeup(); + esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON); +} + +bool alarm_touch_touchalarm_woke_us_up(void) { + return woke_up; +} + +void alarm_touch_touchalarm_reset(void) { + woke_up = false; + touch_channel = TOUCH_PAD_MAX; + peripherals_touch_never_reset(false); +} diff --git a/ports/esp32s2/common-hal/alarm/touch/TouchAlarm.h b/ports/esp32s2/common-hal/alarm/touch/TouchAlarm.h new file mode 100644 index 000000000..755a3977a --- /dev/null +++ b/ports/esp32s2/common-hal/alarm/touch/TouchAlarm.h @@ -0,0 +1,46 @@ +/* + * 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_COMMON_HAL_ALARM_TOUCH_TOUCHALARM_H +#define MICROPY_INCLUDED_COMMON_HAL_ALARM_TOUCH_TOUCHALARM_H + +#include "py/obj.h" +#include "common-hal/microcontroller/Pin.h" + +typedef struct { + mp_obj_base_t base; + const mcu_pin_obj_t *pin; +} alarm_touch_touchalarm_obj_t; + +// Find the alarm object that caused us to wake up or create an equivalent one. +mp_obj_t alarm_touch_touchalarm_get_wakeup_alarm(const size_t n_alarms, const mp_obj_t *alarms); +// Check for the wake up alarm from pretend deep sleep. +void alarm_touch_touchalarm_set_alarm(const bool deep_sleep, const size_t n_alarms, const mp_obj_t *alarms); +void alarm_touch_touchalarm_prepare_for_deep_sleep(void); +bool alarm_touch_touchalarm_woke_us_up(void); +void alarm_touch_touchalarm_reset(void); + +#endif // MICROPY_INCLUDED_COMMON_HAL_ALARM_TOUCH_TOUCHALARM_H diff --git a/ports/esp32s2/common-hal/touchio/TouchIn.c b/ports/esp32s2/common-hal/touchio/TouchIn.c index b27cbcf86..401b84d5c 100644 --- a/ports/esp32s2/common-hal/touchio/TouchIn.c +++ b/ports/esp32s2/common-hal/touchio/TouchIn.c @@ -27,20 +27,11 @@ #include "shared-bindings/touchio/TouchIn.h" #include "py/runtime.h" -#include "driver/touch_pad.h" - -bool touch_inited = false; - -void touchin_reset(void) { - if (touch_inited) { - touch_pad_deinit(); - touch_inited = false; - } -} +#include "peripherals/touch.h" static uint16_t get_raw_reading(touchio_touchin_obj_t *self) { uint32_t touch_value; - touch_pad_read_raw_data((touch_pad_t)self->pin->touch_channel, &touch_value); + touch_pad_read_raw_data(self->pin->touch_channel, &touch_value); if (touch_value > UINT16_MAX) { return UINT16_MAX; } @@ -54,21 +45,12 @@ void common_hal_touchio_touchin_construct(touchio_touchin_obj_t* self, } claim_pin(pin); - if (!touch_inited) { - touch_pad_init(); - touch_pad_set_fsm_mode(TOUCH_FSM_MODE_TIMER); - touch_pad_fsm_start(); - touch_inited = true; - } - - touch_pad_config((touch_pad_t)pin->touch_channel); + // initialize touchpad + peripherals_touch_init(pin->touch_channel); - // wait for "raw data" to reset + // wait for touch data to reset mp_hal_delay_ms(10); - // Initial values for pins will vary, depending on what peripherals the pins - // share on-chip. - // Set a "touched" threshold not too far above the initial value. // For simple finger touch, the values may vary as much as a factor of two, // but for touches using fruit or other objects, the difference is much less. diff --git a/ports/esp32s2/common-hal/touchio/TouchIn.h b/ports/esp32s2/common-hal/touchio/TouchIn.h index 91de20931..2f7c66d2b 100644 --- a/ports/esp32s2/common-hal/touchio/TouchIn.h +++ b/ports/esp32s2/common-hal/touchio/TouchIn.h @@ -27,9 +27,8 @@ #ifndef MICROPY_INCLUDED_ESP32S2_COMMON_HAL_TOUCHIO_TOUCHIN_H #define MICROPY_INCLUDED_ESP32S2_COMMON_HAL_TOUCHIO_TOUCHIN_H -#include "common-hal/microcontroller/Pin.h" - #include "py/obj.h" +#include "common-hal/microcontroller/Pin.h" typedef struct { mp_obj_base_t base; @@ -37,6 +36,4 @@ typedef struct { uint16_t threshold; } touchio_touchin_obj_t; -void touchin_reset(void); - #endif // MICROPY_INCLUDED_ESP32S2_COMMON_HAL_TOUCHIO_TOUCHIN_H diff --git a/ports/esp32s2/peripherals/pins.h b/ports/esp32s2/peripherals/pins.h index 8bad937ef..e0f5e7ddf 100644 --- a/ports/esp32s2/peripherals/pins.h +++ b/ports/esp32s2/peripherals/pins.h @@ -44,7 +44,7 @@ typedef struct { gpio_num_t number; uint8_t adc_index:2; uint8_t adc_channel:6; - uint8_t touch_channel; + touch_pad_t touch_channel; } mcu_pin_obj_t; extern const mcu_pin_obj_t pin_GPIO0; diff --git a/ports/esp32s2/peripherals/touch.c b/ports/esp32s2/peripherals/touch.c new file mode 100644 index 000000000..6cf33b2bd --- /dev/null +++ b/ports/esp32s2/peripherals/touch.c @@ -0,0 +1,53 @@ +/* + * 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 "components/soc/include/hal/gpio_types.h" +// above include fixes build error in idf@v4.2 +#include "peripherals/touch.h" + +static bool touch_inited = false; +static bool touch_never_reset = false; + +void peripherals_touch_reset(void) { + if (touch_inited && !touch_never_reset) { + touch_pad_deinit(); + touch_inited = false; + } +} + +void peripherals_touch_never_reset(const bool enable) { + touch_never_reset = enable; +} + +void peripherals_touch_init(const touch_pad_t touchpad) { + if (!touch_inited) { + touch_pad_init(); + touch_pad_set_fsm_mode(TOUCH_FSM_MODE_TIMER); + touch_pad_fsm_start(); + touch_inited = true; + } + touch_pad_config(touchpad); +} diff --git a/ports/esp32s2/peripherals/touch.h b/ports/esp32s2/peripherals/touch.h new file mode 100644 index 000000000..218045f39 --- /dev/null +++ b/ports/esp32s2/peripherals/touch.h @@ -0,0 +1,36 @@ +/* + * 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_ESP32S2_PERIPHERALS_TOUCH_HANDLER_H +#define MICROPY_INCLUDED_ESP32S2_PERIPHERALS_TOUCH_HANDLER_H + +#include "driver/touch_pad.h" + +extern void peripherals_touch_reset(void); +extern void peripherals_touch_never_reset(const bool enable); +extern void peripherals_touch_init(const touch_pad_t touchpad); + +#endif // MICROPY_INCLUDED_ESP32S2_PERIPHERALS_TOUCH_HANDLER_H diff --git a/ports/esp32s2/supervisor/port.c b/ports/esp32s2/supervisor/port.c index ff35845f7..213473b8d 100644 --- a/ports/esp32s2/supervisor/port.c +++ b/ports/esp32s2/supervisor/port.c @@ -45,7 +45,6 @@ #include "common-hal/ps2io/Ps2.h" #include "common-hal/pulseio/PulseIn.h" #include "common-hal/pwmio/PWMOut.h" -#include "common-hal/touchio/TouchIn.h" #include "common-hal/watchdog/WatchDogTimer.h" #include "common-hal/wifi/__init__.h" #include "supervisor/memory.h" @@ -55,6 +54,7 @@ #include "peripherals/rmt.h" #include "peripherals/pcnt.h" #include "peripherals/timer.h" +#include "peripherals/touch.h" #include "components/esp_rom/include/esp32s2/rom/ets_sys.h" #include "components/heap/include/esp_heap_caps.h" #include "components/xtensa/include/esp_debug_helpers.h" @@ -190,7 +190,7 @@ void reset_port(void) { #endif #if CIRCUITPY_TOUCHIO_USE_NATIVE - touchin_reset(); + peripherals_touch_reset(); #endif #if CIRCUITPY_WATCHDOG |