Initial InfiniSim project

sim/nrfx/hal/nrf_gpio.cpp

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+#include "hal/nrf_gpio.h"
+
+#include "drivers/PinMap.h"
+
+#include <SDL2/SDL.h>
+#include <stdexcept>
+
+void nrf_gpio_cfg_default(uint32_t pin_number) {}
+void nrf_gpio_pin_set(uint32_t pin_number) {}
+uint32_t nrf_gpio_pin_read(uint32_t pin_number)
+{
+  if (pin_number == Pinetime::PinMap::Button) {
+    int x, y;
+    uint32_t buttons = SDL_GetMouseState(&x, &y);
+    bool right_click = (buttons & SDL_BUTTON_RMASK) != 0;
+    return right_click;
+  }
+  throw std::runtime_error("nrf_gpio_pin_read: unhandled pin_number: " + std::to_string(pin_number));
+  return 0;
+}
+
+void nrf_gpio_cfg_output(uint32_t pin_number) {}
+void nrf_gpio_pin_clear(uint32_t pin_number) {}
+void nrf_gpio_range_cfg_input(uint32_t            pin_range_start,
+                              uint32_t            pin_range_end,
+                              nrf_gpio_pin_pull_t pull_config) {}
+void nrf_gpio_cfg_input(uint32_t pin_number, nrf_gpio_pin_pull_t pull_config) {}
+
+void nrfx_gpiote_in_init(uint32_t pin_number, nrfx_gpiote_in_config_t *config, nrfx_gpiote_event_handler_t) {}
+void nrfx_gpiote_in_event_enable(uint32_t pin_number, bool enable) {}
+void nrf_gpio_cfg_sense_input(uint32_t pin_number, nrf_gpio_pin_pull_t pin_pull, nrf_gpio_pin_sense_t sense) {}
+
+void APP_GPIOTE_INIT(uint32_t max_users) {}

sim/nrfx/hal/nrf_gpio.h

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+/**
+ * Copyright (c) 2015 - 2019, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, must reproduce the above copyright notice, this list of
+ *    conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef NRF_GPIO_H__
+#define NRF_GPIO_H__
+
+#include <cstdint>
+
+/**
+ * @brief Enumerator used for selecting the pin to be pulled down or up at the time of pin configuration.
+ */
+// lv_sim: values copied from nrf52810_bifiellds.h
+enum nrf_gpio_pin_pull_t
+{
+    NRF_GPIO_PIN_NOPULL   = 0, // GPIO_PIN_CNF_PULL_Disabled, ///<  Pin pull-up resistor disabled.
+    NRF_GPIO_PIN_PULLDOWN = 1, // GPIO_PIN_CNF_PULL_Pulldown, ///<  Pin pull-down resistor enabled.
+    NRF_GPIO_PIN_PULLUP   = 3, // GPIO_PIN_CNF_PULL_Pullup,   ///<  Pin pull-up resistor enabled.
+};
+constexpr uint16_t GPIO_PIN_CNF_PULL_Pulldown = 1;
+constexpr uint16_t GPIO_PIN_CNF_PULL_Pullup = 3;
+
+using nrf_gpiote_polarity_t = uint32_t;
+constexpr uint16_t NRF_GPIOTE_POLARITY_HITOLO = 2;
+constexpr uint16_t NRF_GPIOTE_POLARITY_TOGGLE = 3;
+
+using nrfx_gpiote_pin_t = uint32_t;
+typedef void (*nrfx_gpiote_event_handler_t)(nrfx_gpiote_pin_t, nrf_gpiote_polarity_t);
+
+using nrf_gpio_pin_sense_t = uint32_t;
+constexpr uint16_t GPIO_PIN_CNF_SENSE_Low = 3;
+
+struct nrfx_gpiote_in_config_t {
+  bool skip_gpio_setup = false;
+  bool hi_accuracy = false;
+  bool is_watcher = false;
+  nrf_gpiote_polarity_t sense;
+  nrf_gpio_pin_pull_t pull;
+};
+
+/**
+ * @brief Function for resetting pin configuration to its default state.
+ *
+ * @param pin_number Specifies the pin number.
+ */
+void nrf_gpio_cfg_default(uint32_t pin_number);
+
+/**
+ * @brief Function for setting a GPIO pin.
+ *
+ * Note that the pin must be configured as an output for this function to have any effect.
+ *
+ * @param pin_number Specifies the pin number to set.
+ */
+void nrf_gpio_pin_set(uint32_t pin_number);
+
+// read pin stub, intended to forward right mouse button as PinMap::Button
+uint32_t nrf_gpio_pin_read(uint32_t pin_number);
+
+/**
+ * @brief Function for configuring the given GPIO pin number as output, hiding inner details.
+ *        This function can be used to configure a pin as simple output with gate driving GPIO_PIN_CNF_DRIVE_S0S1 (normal cases).
+ *
+ * @param pin_number Specifies the pin number.
+ *
+ * @note  Sense capability on the pin is disabled and input is disconnected from the buffer as the pins are configured as output.
+ */
+void nrf_gpio_cfg_output(uint32_t pin_number);
+
+/**
+ * @brief Function for clearing a GPIO pin.
+ *
+ * Note that the pin must be configured as an output for this
+ * function to have any effect.
+ *
+ * @param pin_number Specifies the pin number to clear.
+ */
+void nrf_gpio_pin_clear(uint32_t pin_number);
+
+/**
+ * @brief Function for configuring the GPIO pin range as input pins with given initial value set, hiding inner details.
+ *        This function can be used to configure pin range as simple input.
+ *
+ * @param pin_range_start Specifies the start number (inclusive) in the range of pin numbers to be configured (allowed values 0-30).
+ *
+ * @param pin_range_end Specifies the end number (inclusive) in the range of pin numbers to be configured (allowed values 0-30).
+ *
+ * @param pull_config State of the pin range pull resistor (no pull, pulled down, or pulled high).
+ *
+ * @note  For configuring only one pin as input, use @ref nrf_gpio_cfg_input.
+ *        Sense capability on the pin is disabled and input is connected to buffer so that the GPIO->IN register is readable.
+ */
+void nrf_gpio_range_cfg_input(uint32_t            pin_range_start,
+                              uint32_t            pin_range_end,
+                              nrf_gpio_pin_pull_t pull_config);
+
+/**
+ * @brief Function for configuring the given GPIO pin number as input, hiding inner details.
+ *        This function can be used to configure a pin as simple input.
+ *
+ * @param pin_number Specifies the pin number.
+ * @param pull_config State of the pin range pull resistor (no pull, pulled down, or pulled high).
+ *
+ * @note  Sense capability on the pin is disabled and input is connected to buffer so that the GPIO->IN register is readable.
+ */
+void nrf_gpio_cfg_input(uint32_t pin_number, nrf_gpio_pin_pull_t pull_config);
+
+void nrfx_gpiote_in_init(uint32_t pin_number, nrfx_gpiote_in_config_t *config, nrfx_gpiote_event_handler_t);
+void nrfx_gpiote_in_event_enable(uint32_t pin_number, bool enable);
+void nrf_gpio_cfg_sense_input(uint32_t pin_number, nrf_gpio_pin_pull_t pin_pull, nrf_gpio_pin_sense_t sense);
+
+void APP_GPIOTE_INIT(uint32_t max_users);
+
+#endif // NRF_GPIO_H__

sim/nrfx/hal/nrf_rtc.cpp

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+#include "hal/nrf_rtc.h"
+
+#include "task.h"
+#include <chrono>
+#include <stdexcept>
+
+uint32_t nrf_rtc_counter_get(NRF_RTC_Type p_reg)
+{
+  if (p_reg == portNRF_RTC_REG) {
+    TickType_t ticks_now = xTaskGetTickCount();
+    return ticks_now;
+  }
+  throw std::runtime_error("nrf_rtc_counter_get: unhandled NRF_RTC_Type: " + std::to_string(p_reg));
+  return 0;
+}

sim/nrfx/hal/nrf_rtc.h

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+#pragma once
+
+#include "portmacro_cmsis.h"
+
+// normal version has pointer to register 'NRF_RTC_Type * p_reg', but we just simulate
+// the return value according to known register pointer
+uint32_t nrf_rtc_counter_get(NRF_RTC_Type p_reg);

sim/nrfx/hal/nrfx_gpiote.h

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+#pragma once
+
+#include <hal/nrf_gpio.h>