kopia lustrzana https://github.com/solokeys/solo1
134 wiersze
3.1 KiB
C
134 wiersze
3.1 KiB
C
// Copyright 2019 SoloKeys Developers
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//
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// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
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// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
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// http://opensource.org/licenses/MIT>, at your option. This file may not be
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// copied, modified, or distributed except according to those terms.
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#include <stdint.h>
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#include <stdio.h>
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#include "stm32l4xx_ll_gpio.h"
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#include "stm32l4xx_ll_tim.h"
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#include "led.h"
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#include "device.h"
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#include "log.h"
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// normalization formula: 16.06*x^0.33 = (0%-100%)
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// here values: value * 10
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uint8_t norm_k[] = {
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0, 80, 101, 115, 127, 137, 145, 153, 159, 166,
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172, 177, 182, 187, 192, 196, 200, 205, 208, 212,
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216, 219, 223, 226, 229, 232, 235, 238, 241, 245};
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#define norm_k_len sizeof(norm_k)
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uint32_t led_normalization(uint8_t value)
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{
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if (value > norm_k_len - 1)
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{
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return value * 10;
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} else {
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return norm_k[value];
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}
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}
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void led_rgb(uint32_t hex)
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{
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uint32_t r = led_normalization((hex >> 16) & 0xff);
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uint32_t g = led_normalization((hex >> 8) & 0xff);
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uint32_t b = led_normalization(hex & 0xff);
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// CCR2 == blue
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// CCR3 == red
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// CCR4 == green
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// map and scale colors
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// normalization table values: value * 10
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TIM2->CCR2 = 1000 - (b * 100)/(256);
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TIM2->CCR3 = 1000 - (r * 100)/(256*6);
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TIM2->CCR4 = 1000 - (g * 100)/(256);
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}
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void led_test_colors()
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{
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// Should produce pulsing of various colors
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int i = 0;
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int j = 0;
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int inc = 1;
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uint32_t time = 0;
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#define update() do {\
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i += inc;\
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if (i > 254)\
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{\
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inc *= -1;\
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}\
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else if (i == 0)\
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{\
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inc *= -1;\
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}\
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delay(2);\
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}while(0);
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while(1)
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{
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printf1(TAG_GREEN, "%d: %lu\r\n", j++, millis());
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printf1(TAG_GREEN,"white pulse\r\n");
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time = millis();
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while((millis() - time) < 5000)
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{
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update();
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led_rgb(i | (i << 8) | (i << 16));
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}
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printf1(TAG_GREEN,"blue pulse\r\n");
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time = millis();
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while((millis() - time) < 5000)
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{
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update();
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led_rgb(i);
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}
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printf1(TAG_GREEN,"green pulse\r\n");
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time = millis();
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while((millis() - time) < 5000)
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{
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update();
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led_rgb(i<<8);
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}
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printf1(TAG_GREEN,"red pulse\r\n");
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time = millis();
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while((millis() - time) < 5000)
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{
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update();
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led_rgb(i<<16);
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}
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printf1(TAG_GREEN,"purple pulse\r\n");
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time = millis();
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while((millis() - time) < 5000)
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{
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update();
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led_rgb((i<<16) | i);
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}
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printf1(TAG_GREEN,"orange pulse\r\n");
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time = millis();
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while((millis() - time) < 5000)
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{
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update();
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led_rgb((i<<16) | (i<<8));
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}
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printf1(TAG_GREEN,"yellow pulse\r\n");
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time = millis();
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while((millis() - time) < 5000)
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{
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update();
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led_rgb((i<<8) | (i<<0));
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}
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}
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}
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