328 lines
11 KiB
C
328 lines
11 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017-2021 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "supervisor/shared/status_leds.h"
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#include "mphalport.h"
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#include "shared-bindings/microcontroller/Pin.h"
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#include "supervisor/shared/tick.h"
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#include "py/obj.h"
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#ifdef CIRCUITPY_STATUS_LED_POWER
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#include "shared-bindings/digitalio/DigitalInOut.h"
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static digitalio_digitalinout_obj_t _status_power;
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#endif
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#ifdef MICROPY_HW_NEOPIXEL
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uint8_t rgb_status_brightness = 63;
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#include "shared-bindings/digitalio/DigitalInOut.h"
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#include "shared-bindings/neopixel_write/__init__.h"
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static uint8_t status_neopixel_color[3];
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static digitalio_digitalinout_obj_t status_neopixel;
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#elif defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)
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uint8_t rgb_status_brightness = 50;
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#define APA102_BUFFER_LENGTH 12
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static uint8_t status_apa102_color[APA102_BUFFER_LENGTH] = {0, 0, 0, 0, 0xff, 0, 0, 0, 0xff, 0xff, 0xff, 0xff};
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#if CIRCUITPY_BITBANG_APA102
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#include "shared-bindings/bitbangio/SPI.h"
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static bitbangio_spi_obj_t status_apa102 = {
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.base = {
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.type = &bitbangio_spi_type,
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},
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};
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#else
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#include "shared-bindings/busio/SPI.h"
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busio_spi_obj_t status_apa102 = {
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.base = {
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.type = &busio_spi_type,
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},
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};
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#endif
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#elif CIRCUITPY_PWM_RGB_LED
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#include "shared-bindings/pwmio/PWMOut.h"
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#include "shared-bindings/microcontroller/Pin.h"
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pwmio_pwmout_obj_t rgb_status_r = {
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.base = {
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.type = &pwmio_pwmout_type,
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},
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};
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pwmio_pwmout_obj_t rgb_status_g = {
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.base = {
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.type = &pwmio_pwmout_type,
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},
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};
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pwmio_pwmout_obj_t rgb_status_b = {
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.base = {
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.type = &pwmio_pwmout_type,
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},
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};
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uint8_t rgb_status_brightness = 0xFF;
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uint16_t status_rgb_color[3] = {
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0 /* red */, 0 /* green */, 0 /* blue */
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};
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#elif CIRCUITPY_DIGITALIO && defined(MICROPY_HW_LED_STATUS)
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#include "shared-bindings/digitalio/DigitalInOut.h"
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digitalio_digitalinout_obj_t single_color_led;
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uint8_t rgb_status_brightness = 0xff;
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#endif
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#if CIRCUITPY_DIGITALIO && (defined(MICROPY_HW_LED_RX) || defined(MICROPY_HW_LED_TX))
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#include "shared-bindings/digitalio/DigitalInOut.h"
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#ifdef MICROPY_HW_LED_RX
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digitalio_digitalinout_obj_t rx_led;
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#endif
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#ifdef MICROPY_HW_LED_TX
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digitalio_digitalinout_obj_t tx_led;
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#endif
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#endif
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#if CIRCUITPY_STATUS_LED
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static uint32_t current_status_color = 0;
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#endif
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static bool status_led_init_in_progress = false;
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void status_led_init() {
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if (status_led_init_in_progress) {
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// Avoid recursion.
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return;
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}
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status_led_init_in_progress = true;
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#ifdef CIRCUITPY_STATUS_LED_POWER
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common_hal_digitalio_digitalinout_construct(&_status_power, CIRCUITPY_STATUS_LED_POWER);
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common_hal_digitalio_digitalinout_switch_to_output(&_status_power,
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CIRCUITPY_STATUS_LED_POWER_INVERTED == 0, DRIVE_MODE_PUSH_PULL);
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#endif
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#ifdef MICROPY_HW_NEOPIXEL
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common_hal_digitalio_digitalinout_construct(&status_neopixel, MICROPY_HW_NEOPIXEL);
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common_hal_digitalio_digitalinout_switch_to_output(&status_neopixel, false, DRIVE_MODE_PUSH_PULL);
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#elif defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)
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#if CIRCUITPY_BITBANG_APA102
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shared_module_bitbangio_spi_construct(&status_apa102,
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MICROPY_HW_APA102_SCK,
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MICROPY_HW_APA102_MOSI,
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NULL);
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#else
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if (!common_hal_busio_spi_deinited(&status_apa102)) {
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common_hal_busio_spi_deinit(&status_apa102);
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}
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common_hal_busio_spi_construct(&status_apa102,
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MICROPY_HW_APA102_SCK,
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MICROPY_HW_APA102_MOSI,
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NULL);
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#endif
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#if CIRCUITPY_BITBANG_APA102
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shared_module_bitbangio_spi_try_lock(&status_apa102);
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// Use 1MHz for clock rate. Some APA102's are spec'd 800kHz-1200kHz,
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// though many can run much faster. bitbang will probably run slower.
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shared_module_bitbangio_spi_configure(&status_apa102, 1000000, 0, 0, 8);
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#else
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common_hal_busio_spi_try_lock(&status_apa102);
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common_hal_busio_spi_configure(&status_apa102, 1000000, 0, 0, 8);
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#endif
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#elif CIRCUITPY_PWM_RGB_LED
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if (common_hal_mcu_pin_is_free(CIRCUITPY_RGB_STATUS_R)) {
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pwmout_result_t red_result = common_hal_pwmio_pwmout_construct(&rgb_status_r, CIRCUITPY_RGB_STATUS_R, 0, 50000, false);
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if (PWMOUT_OK == red_result) {
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common_hal_pwmio_pwmout_never_reset(&rgb_status_r);
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}
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}
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if (common_hal_mcu_pin_is_free(CIRCUITPY_RGB_STATUS_G)) {
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pwmout_result_t green_result = common_hal_pwmio_pwmout_construct(&rgb_status_g, CIRCUITPY_RGB_STATUS_G, 0, 50000, false);
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if (PWMOUT_OK == green_result) {
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common_hal_pwmio_pwmout_never_reset(&rgb_status_g);
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}
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}
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if (common_hal_mcu_pin_is_free(CIRCUITPY_RGB_STATUS_B)) {
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pwmout_result_t blue_result = common_hal_pwmio_pwmout_construct(&rgb_status_b, CIRCUITPY_RGB_STATUS_B, 0, 50000, false);
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if (PWMOUT_OK == blue_result) {
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common_hal_pwmio_pwmout_never_reset(&rgb_status_b);
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}
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}
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#elif defined(MICROPY_HW_LED_STATUS)
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common_hal_digitalio_digitalinout_construct(&single_color_led, MICROPY_HW_LED_STATUS);
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common_hal_digitalio_digitalinout_switch_to_output(&single_color_led, true, DRIVE_MODE_PUSH_PULL);
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#endif
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#if CIRCUITPY_DIGITALIO && CIRCUITPY_STATUS_LED
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// Force a write of the current status color.
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uint32_t rgb = current_status_color;
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current_status_color = 0x1000000; // Not a valid color
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new_status_color(rgb);
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#endif
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status_led_init_in_progress = false;
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}
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void status_led_deinit() {
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#ifdef MICROPY_HW_NEOPIXEL
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common_hal_reset_pin(MICROPY_HW_NEOPIXEL);
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#elif defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)
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#if CIRCUITPY_BITBANG_APA102
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shared_module_bitbangio_spi_deinit(&status_apa102);
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#else
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common_hal_busio_spi_deinit(&status_apa102);
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#endif
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#elif CIRCUITPY_PWM_RGB_LED
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if (!common_hal_mcu_pin_is_free(CIRCUITPY_RGB_STATUS_R)) {
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common_hal_pwmio_pwmout_deinit(&rgb_status_r);
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}
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if (!common_hal_mcu_pin_is_free(CIRCUITPY_RGB_STATUS_G)) {
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common_hal_pwmio_pwmout_deinit(&rgb_status_g);
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}
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if (!common_hal_mcu_pin_is_free(CIRCUITPY_RGB_STATUS_B)) {
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common_hal_pwmio_pwmout_deinit(&rgb_status_b);
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}
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#elif defined(MICROPY_HW_LED_STATUS)
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common_hal_digitalio_digitalinout_deinit(&single_color_led);
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#endif
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#ifdef CIRCUITPY_STATUS_LED_POWER
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common_hal_digitalio_digitalinout_deinit(&_status_power);
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#endif
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}
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void new_status_color(uint32_t rgb) {
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#if CIRCUITPY_STATUS_LED
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if (current_status_color == rgb) {
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return;
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}
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uint32_t rgb_adjusted = color_brightness(rgb, rgb_status_brightness);
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current_status_color = rgb;
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#endif
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#ifdef MICROPY_HW_NEOPIXEL
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status_neopixel_color[0] = (rgb_adjusted >> 8) & 0xff;
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status_neopixel_color[1] = (rgb_adjusted >> 16) & 0xff;
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status_neopixel_color[2] = rgb_adjusted & 0xff;
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common_hal_neopixel_write(&status_neopixel, status_neopixel_color, 3);
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#elif defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)
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status_apa102_color[5] = rgb_adjusted & 0xff;
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status_apa102_color[6] = (rgb_adjusted >> 8) & 0xff;
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status_apa102_color[7] = (rgb_adjusted >> 16) & 0xff;
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#if CIRCUITPY_BITBANG_APA102
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shared_module_bitbangio_spi_write(&status_apa102, status_apa102_color, APA102_BUFFER_LENGTH);
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#else
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common_hal_busio_spi_write(&status_apa102, status_apa102_color, APA102_BUFFER_LENGTH);
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#endif
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#elif CIRCUITPY_PWM_RGB_LED
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uint8_t red_u8 = (rgb_adjusted >> 16) & 0xFF;
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uint8_t green_u8 = (rgb_adjusted >> 8) & 0xFF;
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uint8_t blue_u8 = rgb_adjusted & 0xFF;
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#ifdef CIRCUITPY_RGB_STATUS_INVERTED_PWM
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status_rgb_color[0] = (1 << 16) - 1 - ((uint16_t)(red_u8 << 8) + red_u8);
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status_rgb_color[1] = (1 << 16) - 1 - ((uint16_t)(green_u8 << 8) + green_u8);
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status_rgb_color[2] = (1 << 16) - 1 - ((uint16_t)(blue_u8 << 8) + blue_u8);
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#else
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status_rgb_color[0] = (uint16_t)(red_u8 << 8) + red_u8;
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status_rgb_color[1] = (uint16_t)(green_u8 << 8) + green_u8;
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status_rgb_color[2] = (uint16_t)(blue_u8 << 8) + blue_u8;
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#endif
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common_hal_pwmio_pwmout_set_duty_cycle(&rgb_status_r, status_rgb_color[0]);
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common_hal_pwmio_pwmout_set_duty_cycle(&rgb_status_g, status_rgb_color[1]);
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common_hal_pwmio_pwmout_set_duty_cycle(&rgb_status_b, status_rgb_color[2]);
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#elif CIRCUITPY_DIGITALIO && defined(MICROPY_HW_LED_STATUS)
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common_hal_digitalio_digitalinout_set_value(&single_color_led, rgb_adjusted > 0);
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#endif
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}
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uint32_t color_brightness(uint32_t color, uint8_t brightness) {
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#if CIRCUITPY_STATUS_LED
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uint32_t result = ((color & 0xff0000) * brightness / 255) & 0xff0000;
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result += ((color & 0xff00) * brightness / 255) & 0xff00;
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result += ((color & 0xff) * brightness / 255) & 0xff;
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return result;
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#else
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return color;
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#endif
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}
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void set_status_brightness(uint8_t level) {
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#if CIRCUITPY_STATUS_LED
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rgb_status_brightness = level;
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uint32_t current_color = current_status_color;
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// Temporarily change the current color global to force the new_status_color call to update the
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// LED. Usually duplicate calls of the same color are ignored without regard to brightness
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// changes.
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current_status_color = 0;
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new_status_color(current_color);
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#endif
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}
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void init_rxtx_leds(void) {
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#if CIRCUITPY_DIGITALIO && defined(MICROPY_HW_LED_RX)
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common_hal_digitalio_digitalinout_construct(&rx_led, MICROPY_HW_LED_RX);
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common_hal_digitalio_digitalinout_switch_to_output(&rx_led, true, DRIVE_MODE_PUSH_PULL);
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#endif
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#if CIRCUITPY_DIGITALIO && defined(MICROPY_HW_LED_TX)
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common_hal_digitalio_digitalinout_construct(&tx_led, MICROPY_HW_LED_TX);
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common_hal_digitalio_digitalinout_switch_to_output(&tx_led, true, DRIVE_MODE_PUSH_PULL);
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#endif
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}
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void toggle_rx_led(void) {
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#if CIRCUITPY_DIGITALIO && defined(MICROPY_HW_LED_RX)
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common_hal_digitalio_digitalinout_set_value(&rx_led, !common_hal_digitalio_digitalinout_get_value(&rx_led));
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#endif
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}
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void toggle_tx_led(void) {
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#if CIRCUITPY_DIGITALIO && defined(MICROPY_HW_LED_TX)
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common_hal_digitalio_digitalinout_set_value(&tx_led, !common_hal_digitalio_digitalinout_get_value(&tx_led));
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#endif
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}
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