circuitpython/supervisor/shared/rgb_led_status.c
2019-09-02 10:25:38 -04:00

444 lines
18 KiB
C

/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 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.
*/
#include "mphalport.h"
#include "common-hal/microcontroller/Pin.h"
#include "rgb_led_status.h"
#ifdef MICROPY_HW_NEOPIXEL
uint8_t rgb_status_brightness = 63;
#include "shared-bindings/digitalio/DigitalInOut.h"
#include "shared-bindings/neopixel_write/__init__.h"
static uint8_t status_neopixel_color[3];
static digitalio_digitalinout_obj_t status_neopixel;
#endif
#if defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)
uint8_t rgb_status_brightness = 255;
#define APA102_BUFFER_LENGTH 12
static uint8_t status_apa102_color[APA102_BUFFER_LENGTH] = {0, 0, 0, 0, 0xff, 0, 0, 0, 0xff, 0xff, 0xff, 0xff};
#if CIRCUITPY_BITBANG_APA102
#include "shared-bindings/bitbangio/SPI.h"
#include "shared-module/bitbangio/types.h"
static bitbangio_spi_obj_t status_apa102;
#else
#include "shared-bindings/busio/SPI.h"
busio_spi_obj_t status_apa102;
#endif
#endif
#if defined(CP_RGB_STATUS_R) || defined(CP_RGB_STATUS_G) || defined(CP_RGB_STATUS_B)
#define CP_RGB_STATUS_LED
#include "shared-bindings/pulseio/PWMOut.h"
#include "shared-bindings/microcontroller/Pin.h"
pulseio_pwmout_obj_t rgb_status_r;
pulseio_pwmout_obj_t rgb_status_g;
pulseio_pwmout_obj_t rgb_status_b;
uint8_t rgb_status_brightness = 0xFF;
uint16_t status_rgb_color[3] = {
0 /* red */, 0 /* green */, 0 /* blue */
};
#endif
#if defined(MICROPY_HW_NEOPIXEL) || (defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)) || (defined(CP_RGB_STATUS_LED))
static uint32_t current_status_color = 0;
#endif
void rgb_led_status_init() {
#ifdef MICROPY_HW_NEOPIXEL
common_hal_digitalio_digitalinout_construct(&status_neopixel, MICROPY_HW_NEOPIXEL);
// Pretend we aren't using the pins. digitalio.DigitalInOut
// will mark them as used.
neopixel_in_use = false;
common_hal_digitalio_digitalinout_switch_to_output(&status_neopixel, false, DRIVE_MODE_PUSH_PULL);
#endif
#if defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)
#if CIRCUITPY_BITBANG_APA102
shared_module_bitbangio_spi_construct(&status_apa102,
MICROPY_HW_APA102_SCK,
MICROPY_HW_APA102_MOSI,
mp_const_none);
#else
if (!common_hal_busio_spi_deinited(&status_apa102)) {
// Don't use spi_deinit because that leads to infinite
// recursion because reset_pin_number may call
// rgb_led_status_init.
spi_m_sync_disable(&status_apa102.spi_desc);
}
common_hal_busio_spi_construct(&status_apa102,
MICROPY_HW_APA102_SCK,
MICROPY_HW_APA102_MOSI,
mp_const_none);
#endif
// Pretend we aren't using the pins. bitbangio.SPI will
// mark them as used.
apa102_mosi_in_use = false;
apa102_sck_in_use = false;
#if CIRCUITPY_BITBANG_APA102
shared_module_bitbangio_spi_try_lock(&status_apa102);
// Use 1MHz for clock rate. Some APA102's are spec'd 800kHz-1200kHz,
// though many can run much faster. bitbang will probably run slower.
shared_module_bitbangio_spi_configure(&status_apa102, 1000000, 0, 0, 8);
#else
common_hal_busio_spi_try_lock(&status_apa102);
common_hal_busio_spi_configure(&status_apa102, 1000000, 0, 0, 8);
#endif
#endif
#if defined(CP_RGB_STATUS_LED)
if (common_hal_mcu_pin_is_free(CP_RGB_STATUS_R)) {
pwmout_result_t red_result = common_hal_pulseio_pwmout_construct(&rgb_status_r, CP_RGB_STATUS_R, 0, 50000, false);
if (PWMOUT_OK == red_result) {
common_hal_pulseio_pwmout_never_reset(&rgb_status_r);
}
}
if (common_hal_mcu_pin_is_free(CP_RGB_STATUS_G)) {
pwmout_result_t green_result = common_hal_pulseio_pwmout_construct(&rgb_status_g, CP_RGB_STATUS_G, 0, 50000, false);
if (PWMOUT_OK == green_result) {
common_hal_pulseio_pwmout_never_reset(&rgb_status_g);
}
}
if (common_hal_mcu_pin_is_free(CP_RGB_STATUS_B)) {
pwmout_result_t blue_result = common_hal_pulseio_pwmout_construct(&rgb_status_b, CP_RGB_STATUS_B, 0, 50000, false);
if (PWMOUT_OK == blue_result) {
common_hal_pulseio_pwmout_never_reset(&rgb_status_b);
}
}
#endif
#if defined(MICROPY_HW_NEOPIXEL) || (defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)) || (defined(CP_RGB_STATUS_LED))
// Force a write of the current status color.
uint32_t rgb = current_status_color;
current_status_color = 0x1000000; // Not a valid color
new_status_color(rgb);
#endif
}
void reset_status_led() {
#ifdef MICROPY_HW_NEOPIXEL
reset_pin_number(MICROPY_HW_NEOPIXEL->number);
#endif
#if defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)
reset_pin_number(MICROPY_HW_APA102_MOSI->number);
reset_pin_number(MICROPY_HW_APA102_SCK->number);
#endif
#if defined(CP_RGB_STATUS_LED)
// TODO: Support sharing status LED with user.
#endif
}
void new_status_color(uint32_t rgb) {
#if defined(MICROPY_HW_NEOPIXEL) || (defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)) || (defined(CP_RGB_STATUS_LED))
if (current_status_color == rgb) {
return;
}
uint32_t rgb_adjusted = color_brightness(rgb, rgb_status_brightness);
current_status_color = rgb;
#endif
#ifdef MICROPY_HW_NEOPIXEL
if (neopixel_in_use) {
return;
}
status_neopixel_color[0] = (rgb_adjusted >> 8) & 0xff;
status_neopixel_color[1] = (rgb_adjusted >> 16) & 0xff;
status_neopixel_color[2] = rgb_adjusted & 0xff;
common_hal_neopixel_write(&status_neopixel, status_neopixel_color, 3);
#endif
#if defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)
if (apa102_mosi_in_use || apa102_sck_in_use) {
return;
}
status_apa102_color[5] = rgb_adjusted & 0xff;
status_apa102_color[6] = (rgb_adjusted >> 8) & 0xff;
status_apa102_color[7] = (rgb_adjusted >> 16) & 0xff;
#if CIRCUITPY_BITBANG_APA102
shared_module_bitbangio_spi_write(&status_apa102, status_apa102_color, APA102_BUFFER_LENGTH);
#else
common_hal_busio_spi_write(&status_apa102, status_apa102_color, APA102_BUFFER_LENGTH);
#endif
#endif
#if defined(CP_RGB_STATUS_LED)
uint8_t red_u8 = (rgb_adjusted >> 16) & 0xFF;
uint8_t green_u8 = (rgb_adjusted >> 8) & 0xFF;
uint8_t blue_u8 = rgb_adjusted & 0xFF;
#if defined(CP_RGB_STATUS_INVERTED_PWM)
status_rgb_color[0] = (1 << 16) - 1 - ((uint16_t) (red_u8 << 8) + red_u8);
status_rgb_color[1] = (1 << 16) - 1 - ((uint16_t) (green_u8 << 8) + green_u8);
status_rgb_color[2] = (1 << 16) - 1 - ((uint16_t) (blue_u8 << 8) + blue_u8);
#else
status_rgb_color[0] = (uint16_t) (red_u8 << 8) + red_u8;
status_rgb_color[1] = (uint16_t) (green_u8 << 8) + green_u8;
status_rgb_color[2] = (uint16_t) (blue_u8 << 8) + blue_u8;
#endif
common_hal_pulseio_pwmout_set_duty_cycle(&rgb_status_r, status_rgb_color[0]);
common_hal_pulseio_pwmout_set_duty_cycle(&rgb_status_g, status_rgb_color[1]);
common_hal_pulseio_pwmout_set_duty_cycle(&rgb_status_b, status_rgb_color[2]);
#endif
}
void temp_status_color(uint32_t rgb) {
#if defined(MICROPY_HW_NEOPIXEL) || (defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)) || (defined(CP_RGB_STATUS_LED))
uint32_t rgb_adjusted = rgb;
rgb_adjusted = color_brightness(rgb, rgb_status_brightness);
#endif
#ifdef MICROPY_HW_NEOPIXEL
if (neopixel_in_use) {
return;
}
uint8_t colors[3] = {(rgb_adjusted >> 8) & 0xff, (rgb_adjusted >> 16) & 0xff, rgb_adjusted & 0xff};
common_hal_neopixel_write(&status_neopixel, colors, 3);
#endif
#if defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)
if (apa102_mosi_in_use || apa102_sck_in_use) {
return;
}
uint8_t colors[APA102_BUFFER_LENGTH] = {0, 0, 0, 0, 0xff, rgb_adjusted & 0xff, (rgb_adjusted >> 8) & 0xff, (rgb_adjusted >> 16) & 0xff, 0xff, 0xff, 0xff, 0xff};
#if CIRCUITPY_BITBANG_APA102
shared_module_bitbangio_spi_write(&status_apa102, colors, APA102_BUFFER_LENGTH);
#else
common_hal_busio_spi_write(&status_apa102, colors, APA102_BUFFER_LENGTH);
#endif
#endif
#if defined(CP_RGB_STATUS_LED)
uint8_t red_u8 = (rgb_adjusted >> 16) & 0xFF;
uint8_t green_u8 = (rgb_adjusted >> 8) & 0xFF;
uint8_t blue_u8 = rgb_adjusted & 0xFF;
uint16_t temp_status_color_rgb[3] = {0};
#if defined(CP_RGB_STATUS_INVERTED_PWM)
temp_status_color_rgb[0] = (1 << 16) - 1 - ((uint16_t) (red_u8 << 8) + red_u8);
temp_status_color_rgb[1] = (1 << 16) - 1 - ((uint16_t) (green_u8 << 8) + green_u8);
temp_status_color_rgb[2] = (1 << 16) - 1 - ((uint16_t) (blue_u8 << 8) + blue_u8);
#else
temp_status_color_rgb[0] = (uint16_t) (red_u8 << 8) + red_u8;
temp_status_color_rgb[1] = (uint16_t) (green_u8 << 8) + green_u8;
temp_status_color_rgb[2] = (uint16_t) (blue_u8 << 8) + blue_u8;
#endif
common_hal_pulseio_pwmout_set_duty_cycle(&rgb_status_r, temp_status_color_rgb[0]);
common_hal_pulseio_pwmout_set_duty_cycle(&rgb_status_g, temp_status_color_rgb[1]);
common_hal_pulseio_pwmout_set_duty_cycle(&rgb_status_b, temp_status_color_rgb[2]);
#endif
}
void clear_temp_status() {
#ifdef MICROPY_HW_NEOPIXEL
common_hal_neopixel_write(&status_neopixel, status_neopixel_color, 3);
#endif
#if defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)
#if CIRCUITPY_BITBANG_APA102
shared_module_bitbangio_spi_write(&status_apa102, status_apa102_color, APA102_BUFFER_LENGTH);
#else
common_hal_busio_spi_write(&status_apa102, status_apa102_color, APA102_BUFFER_LENGTH);
#endif
#endif
#if defined(CP_RGB_STATUS_LED)
uint16_t red = 0;
uint16_t green = 0;
uint16_t blue = 0;
#if defined(CP_RGB_STATUS_INVERTED_PWM)
red = (1 << 16) - 1 - status_rgb_color[0];
green = (1 << 16) - 1 - status_rgb_color[1];
blue = (1 << 16) - 1 - status_rgb_color[2];
#else
red = status_rgb_color[0];
green = status_rgb_color[1];
blue = status_rgb_color[2];
#endif
common_hal_pulseio_pwmout_set_duty_cycle(&rgb_status_r, red);
common_hal_pulseio_pwmout_set_duty_cycle(&rgb_status_g, green);
common_hal_pulseio_pwmout_set_duty_cycle(&rgb_status_b, blue);
#endif
}
uint32_t color_brightness(uint32_t color, uint8_t brightness) {
#if defined(MICROPY_HW_NEOPIXEL) || (defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)) || (defined(CP_RGB_STATUS_LED))
uint32_t result = ((color & 0xff0000) * brightness / 255) & 0xff0000;
result += ((color & 0xff00) * brightness / 255) & 0xff00;
result += ((color & 0xff) * brightness / 255) & 0xff;
return result;
#else
return color;
#endif
}
void set_rgb_status_brightness(uint8_t level){
#if defined(MICROPY_HW_NEOPIXEL) || (defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)) || (defined(CP_RGB_STATUS_LED))
rgb_status_brightness = level;
uint32_t current_color = current_status_color;
// Temporarily change the current color global to force the new_status_color call to update the
// LED. Usually duplicate calls of the same color are ignored without regard to brightness
// changes.
current_status_color = 0;
new_status_color(current_color);
#endif
}
void prep_rgb_status_animation(const pyexec_result_t* result,
bool found_main,
safe_mode_t safe_mode,
rgb_status_animation_t* status) {
#if defined(MICROPY_HW_NEOPIXEL) || (defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)) || (defined(CP_RGB_STATUS_LED))
new_status_color(ALL_DONE);
status->pattern_start = ticks_ms;
status->safe_mode = safe_mode;
status->found_main = found_main;
status->total_exception_cycle = 0;
status->ones = result->exception_line % 10;
status->ones += status->ones > 0 ? 1 : 0;
status->tens = (result->exception_line / 10) % 10;
status->tens += status->tens > 0 ? 1 : 0;
status->hundreds = (result->exception_line / 100) % 10;
status->hundreds += status->hundreds > 0 ? 1 : 0;
status->thousands = (result->exception_line / 1000) % 10;
status->thousands += status->thousands > 0 ? 1 : 0;
status->digit_sum = status->ones + status->tens + status->hundreds + status->thousands;
uint8_t num_places = 0;
uint16_t line = result->exception_line;
for (int i = 0; i < 4; i++) {
if ((line % 10) > 0) {
num_places++;
}
line /= 10;
}
status->ok = result->return_code != PYEXEC_EXCEPTION;
if (!status->ok) {
status->total_exception_cycle = EXCEPTION_TYPE_LENGTH_MS * 3 + LINE_NUMBER_TOGGLE_LENGTH * status->digit_sum + LINE_NUMBER_TOGGLE_LENGTH * num_places;
}
if (mp_obj_is_subclass_fast(result->exception_type, &mp_type_IndentationError)) {
status->exception_color = INDENTATION_ERROR;
} else if (mp_obj_is_subclass_fast(result->exception_type, &mp_type_SyntaxError)) {
status->exception_color = SYNTAX_ERROR;
} else if (mp_obj_is_subclass_fast(result->exception_type, &mp_type_NameError)) {
status->exception_color = NAME_ERROR;
} else if (mp_obj_is_subclass_fast(result->exception_type, &mp_type_OSError)) {
status->exception_color = OS_ERROR;
} else if (mp_obj_is_subclass_fast(result->exception_type, &mp_type_ValueError)) {
status->exception_color = VALUE_ERROR;
} else if (mp_obj_is_subclass_fast(result->exception_type, &mp_type_MpyError)) {
status->exception_color = MPY_ERROR;
} else {
status->exception_color = OTHER_ERROR;
}
#endif
}
void tick_rgb_status_animation(rgb_status_animation_t* status) {
#if defined(MICROPY_HW_NEOPIXEL) || (defined(MICROPY_HW_APA102_MOSI) && defined(MICROPY_HW_APA102_SCK)) || (defined(CP_RGB_STATUS_LED))
uint32_t tick_diff = ticks_ms - status->pattern_start;
if (status->ok) {
// All is good. Ramp ALL_DONE up and down.
if (tick_diff > ALL_GOOD_CYCLE_MS) {
status->pattern_start = ticks_ms;
tick_diff = 0;
}
uint16_t brightness = tick_diff * 255 / (ALL_GOOD_CYCLE_MS / 2);
if (brightness > 255) {
brightness = 511 - brightness;
}
if (status->safe_mode == NO_SAFE_MODE) {
new_status_color(color_brightness(ALL_DONE, brightness));
} else {
new_status_color(color_brightness(SAFE_MODE, brightness));
}
} else {
if (tick_diff > status->total_exception_cycle) {
status->pattern_start = ticks_ms;
tick_diff = 0;
}
// First flash the file color.
if (tick_diff < EXCEPTION_TYPE_LENGTH_MS) {
if (status->found_main) {
new_status_color(MAIN_RUNNING);
} else {
new_status_color(BOOT_RUNNING);
}
// Next flash the exception color.
} else if (tick_diff < EXCEPTION_TYPE_LENGTH_MS * 2) {
new_status_color(status->exception_color);
// Finally flash the line number digits from highest to lowest.
// Zeroes will not produce a flash but can be read by the absence of
// a color from the sequence.
} else if (tick_diff < (EXCEPTION_TYPE_LENGTH_MS * 2 + LINE_NUMBER_TOGGLE_LENGTH * status->digit_sum)) {
uint32_t digit_diff = tick_diff - EXCEPTION_TYPE_LENGTH_MS * 2;
if ((digit_diff % LINE_NUMBER_TOGGLE_LENGTH) < (LINE_NUMBER_TOGGLE_LENGTH / 2)) {
new_status_color(BLACK);
} else if (digit_diff < LINE_NUMBER_TOGGLE_LENGTH * status->thousands) {
if (digit_diff < LINE_NUMBER_TOGGLE_LENGTH) {
new_status_color(BLACK);
} else {
new_status_color(THOUSANDS);
}
} else if (digit_diff < LINE_NUMBER_TOGGLE_LENGTH * (status->thousands + status->hundreds)) {
if (digit_diff < LINE_NUMBER_TOGGLE_LENGTH * (status->thousands + 1)) {
new_status_color(BLACK);
} else {
new_status_color(HUNDREDS);
}
} else if (digit_diff < LINE_NUMBER_TOGGLE_LENGTH * (status->thousands + status->hundreds + status->tens)) {
if (digit_diff < LINE_NUMBER_TOGGLE_LENGTH * (status->thousands + status->hundreds + 1)) {
new_status_color(BLACK);
} else {
new_status_color(TENS);
}
} else {
if (digit_diff < LINE_NUMBER_TOGGLE_LENGTH * (status->thousands + status->hundreds + status->tens + 1)) {
new_status_color(BLACK);
} else {
new_status_color(ONES);
}
}
} else {
new_status_color(BLACK);
}
}
#endif
}