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Diffstat (limited to 'Marlin/src/lcd/dwin/e3v2/rotary_encoder.cpp')
| -rw-r--r-- | Marlin/src/lcd/dwin/e3v2/rotary_encoder.cpp | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/Marlin/src/lcd/dwin/e3v2/rotary_encoder.cpp b/Marlin/src/lcd/dwin/e3v2/rotary_encoder.cpp new file mode 100644 index 0000000..6c229b7 --- /dev/null +++ b/Marlin/src/lcd/dwin/e3v2/rotary_encoder.cpp @@ -0,0 +1,256 @@ +/** + * Marlin 3D Printer Firmware + * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] + * + * Based on Sprinter and grbl. + * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + */ + +/***************************************************************************** + * @file rotary_encoder.cpp + * @author LEO / Creality3D + * @date 2019/07/06 + * @version 2.0.1 + * @brief Rotary encoder functions + *****************************************************************************/ + +#include "../../../inc/MarlinConfigPre.h" + +#if ENABLED(DWIN_CREALITY_LCD) + +#include "rotary_encoder.h" +#include "../../buttons.h" + +#include "../../../MarlinCore.h" +#include "../../../HAL/shared/Delay.h" + +#if HAS_BUZZER + #include "../../../libs/buzzer.h" +#endif + +#include <stdlib.h> + +#ifndef ENCODER_PULSES_PER_STEP + #define ENCODER_PULSES_PER_STEP 4 +#endif + +ENCODER_Rate EncoderRate; + +// Buzzer +void Encoder_tick() { + #if PIN_EXISTS(BEEPER) + WRITE(BEEPER_PIN, HIGH); + delay(10); + WRITE(BEEPER_PIN, LOW); + #endif +} + +// Encoder initialization +void Encoder_Configuration() { + #if BUTTON_EXISTS(EN1) + SET_INPUT_PULLUP(BTN_EN1); + #endif + #if BUTTON_EXISTS(EN2) + SET_INPUT_PULLUP(BTN_EN2); + #endif + #if BUTTON_EXISTS(ENC) + SET_INPUT_PULLUP(BTN_ENC); + #endif + #if PIN_EXISTS(BEEPER) + SET_OUTPUT(BEEPER_PIN); + #endif +} + +// Analyze encoder value and return state +ENCODER_DiffState Encoder_ReceiveAnalyze() { + const millis_t now = millis(); + static uint8_t lastEncoderBits; + uint8_t newbutton = 0; + static signed char temp_diff = 0; + + ENCODER_DiffState temp_diffState = ENCODER_DIFF_NO; + if (BUTTON_PRESSED(EN1)) newbutton |= EN_A; + if (BUTTON_PRESSED(EN2)) newbutton |= EN_B; + if (BUTTON_PRESSED(ENC)) { + static millis_t next_click_update_ms; + if (ELAPSED(now, next_click_update_ms)) { + next_click_update_ms = millis() + 300; + Encoder_tick(); + #if PIN_EXISTS(LCD_LED) + //LED_Action(); + #endif + const bool was_waiting = wait_for_user; + wait_for_user = false; + return was_waiting ? ENCODER_DIFF_NO : ENCODER_DIFF_ENTER; + } + else return ENCODER_DIFF_NO; + } + if (newbutton != lastEncoderBits) { + switch (newbutton) { + case ENCODER_PHASE_0: + if (lastEncoderBits == ENCODER_PHASE_3) temp_diff++; + else if (lastEncoderBits == ENCODER_PHASE_1) temp_diff--; + break; + case ENCODER_PHASE_1: + if (lastEncoderBits == ENCODER_PHASE_0) temp_diff++; + else if (lastEncoderBits == ENCODER_PHASE_2) temp_diff--; + break; + case ENCODER_PHASE_2: + if (lastEncoderBits == ENCODER_PHASE_1) temp_diff++; + else if (lastEncoderBits == ENCODER_PHASE_3) temp_diff--; + break; + case ENCODER_PHASE_3: + if (lastEncoderBits == ENCODER_PHASE_2) temp_diff++; + else if (lastEncoderBits == ENCODER_PHASE_0) temp_diff--; + break; + } + lastEncoderBits = newbutton; + } + + if (abs(temp_diff) >= ENCODER_PULSES_PER_STEP) { + if (temp_diff > 0) temp_diffState = ENCODER_DIFF_CW; + else temp_diffState = ENCODER_DIFF_CCW; + + #if ENABLED(ENCODER_RATE_MULTIPLIER) + + millis_t ms = millis(); + int32_t encoderMultiplier = 1; + + // if must encoder rati multiplier + if (EncoderRate.enabled) { + const float abs_diff = ABS(temp_diff), + encoderMovementSteps = abs_diff / (ENCODER_PULSES_PER_STEP); + if (EncoderRate.lastEncoderTime) { + // Note that the rate is always calculated between two passes through the + // loop and that the abs of the temp_diff value is tracked. + const float encoderStepRate = encoderMovementSteps / float(ms - EncoderRate.lastEncoderTime) * 1000; + if (encoderStepRate >= ENCODER_100X_STEPS_PER_SEC) encoderMultiplier = 100; + else if (encoderStepRate >= ENCODER_10X_STEPS_PER_SEC) encoderMultiplier = 10; + else if (encoderStepRate >= ENCODER_5X_STEPS_PER_SEC) encoderMultiplier = 5; + } + EncoderRate.lastEncoderTime = ms; + } + + #else + + constexpr int32_t encoderMultiplier = 1; + + #endif + + // EncoderRate.encoderMoveValue += (temp_diff * encoderMultiplier) / (ENCODER_PULSES_PER_STEP); + EncoderRate.encoderMoveValue = (temp_diff * encoderMultiplier) / (ENCODER_PULSES_PER_STEP); + if (EncoderRate.encoderMoveValue < 0) EncoderRate.encoderMoveValue = -EncoderRate.encoderMoveValue; + + temp_diff = 0; + } + return temp_diffState; +} + +#if PIN_EXISTS(LCD_LED) + + // Take the low 24 valid bits 24Bit: G7 G6 G5 G4 G3 G2 G1 G0 R7 R6 R5 R4 R3 R2 R1 R0 B7 B6 B5 B4 B3 B2 B1 B0 + uint16_t LED_DataArray[LED_NUM]; + + // LED light operation + void LED_Action() { + LED_Control(RGB_SCALE_WARM_WHITE,0x0F); + delay(30); + LED_Control(RGB_SCALE_WARM_WHITE,0x00); + } + + // LED initialization + void LED_Configuration() { + SET_OUTPUT(LCD_LED_PIN); + } + + // LED write data + void LED_WriteData() { + uint8_t tempCounter_LED, tempCounter_Bit; + for (tempCounter_LED = 0; tempCounter_LED < LED_NUM; tempCounter_LED++) { + for (tempCounter_Bit = 0; tempCounter_Bit < 24; tempCounter_Bit++) { + if (LED_DataArray[tempCounter_LED] & (0x800000 >> tempCounter_Bit)) { + LED_DATA_HIGH; + DELAY_NS(300); + LED_DATA_LOW; + DELAY_NS(200); + } + else { + LED_DATA_HIGH; + LED_DATA_LOW; + DELAY_NS(200); + } + } + } + } + + // LED control + // RGB_Scale: RGB color ratio + // luminance: brightness (0~0xFF) + void LED_Control(const uint8_t RGB_Scale, const uint8_t luminance) { + for (uint8_t i = 0; i < LED_NUM; i++) { + LED_DataArray[i] = 0; + switch (RGB_Scale) { + case RGB_SCALE_R10_G7_B5: LED_DataArray[i] = (luminance * 10/10) << 8 | (luminance * 7/10) << 16 | luminance * 5/10; break; + case RGB_SCALE_R10_G7_B4: LED_DataArray[i] = (luminance * 10/10) << 8 | (luminance * 7/10) << 16 | luminance * 4/10; break; + case RGB_SCALE_R10_G8_B7: LED_DataArray[i] = (luminance * 10/10) << 8 | (luminance * 8/10) << 16 | luminance * 7/10; break; + } + } + LED_WriteData(); + } + + // LED gradient control + // RGB_Scale: RGB color ratio + // luminance: brightness (0~0xFF) + // change_Time: gradient time (ms) + void LED_GraduallyControl(const uint8_t RGB_Scale, const uint8_t luminance, const uint16_t change_Interval) { + struct { uint8_t g, r, b; } led_data[LED_NUM]; + for (uint8_t i = 0; i < LED_NUM; i++) { + switch (RGB_Scale) { + case RGB_SCALE_R10_G7_B5: + led_data[i] = { luminance * 7/10, luminance * 10/10, luminance * 5/10 }; + break; + case RGB_SCALE_R10_G7_B4: + led_data[i] = { luminance * 7/10, luminance * 10/10, luminance * 4/10 }; + break; + case RGB_SCALE_R10_G8_B7: + led_data[i] = { luminance * 8/10, luminance * 10/10, luminance * 7/10 }; + break; + } + } + + struct { bool g, r, b; } led_flag = { false, false, false }; + for (uint8_t i = 0; i < LED_NUM; i++) { + while (1) { + const uint8_t g = uint8_t(LED_DataArray[i] >> 16), + r = uint8_t(LED_DataArray[i] >> 8), + b = uint8_t(LED_DataArray[i]); + if (g == led_data[i].g) led_flag.g = true; + else LED_DataArray[i] += (g > led_data[i].g) ? -0x010000 : 0x010000; + if (r == led_data[i].r) led_flag.r = true; + else LED_DataArray[i] += (r > led_data[i].r) ? -0x000100 : 0x000100; + if (b == led_data[i].b) led_flag.b = true; + else LED_DataArray[i] += (b > led_data[i].b) ? -0x000001 : 0x000001; + LED_WriteData(); + if (led_flag.r && led_flag.g && led_flag.b) break; + delay(change_Interval); + } + } + } + +#endif // LCD_LED + +#endif // DWIN_CREALITY_LCD |