mirror of https://github.com/arendst/Tasmota.git
370 lines
9.8 KiB
C++
370 lines
9.8 KiB
C++
/*
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xdsp_03_matrix.ino - Display 8x8 matrix support for Tasmota
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Copyright (C) 2021 Theo Arends and Adafruit
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef USE_I2C
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#ifdef USE_DISPLAY
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#ifdef USE_DISPLAY_MATRIX
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#define XDSP_03 3
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#define XI2C_05 5 // See I2CDEVICES.md
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#define MTX_MAX_SCREEN_BUFFER 80
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#include <Wire.h>
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#include <Adafruit_GFX.h>
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#include <Adafruit_LEDBackpack.h> // 8x8 Matrix
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Adafruit_8x8matrix *matrix[8];
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uint8_t mtx_matrices = 0;
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uint8_t mtx_state = 0;
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uint8_t mtx_counter = 0;
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int16_t mtx_x = 0;
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int16_t mtx_y = 0;
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//char mtx_buffer[MTX_MAX_SCREEN_BUFFER];
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char *mtx_buffer = nullptr;
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uint8_t mtx_mode = 0;
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uint8_t mtx_loop = 0;
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uint8_t mtx_done = 0;
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/*********************************************************************************************/
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void MatrixWrite(void)
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{
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for (uint32_t i = 0; i < mtx_matrices; i++) {
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matrix[i]->writeDisplay();
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}
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}
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void MatrixClear(void)
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{
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for (uint32_t i = 0; i < mtx_matrices; i++) {
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matrix[i]->clear();
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}
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MatrixWrite();
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}
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void MatrixFixed(char* txt)
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{
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for (uint32_t i = 0; i < mtx_matrices; i++) {
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matrix[i]->clear();
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matrix[i]->setCursor(-i *8, 0);
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matrix[i]->print(txt);
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matrix[i]->setBrightness(GetDisplayDimmer16());
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}
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MatrixWrite();
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}
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void MatrixCenter(char* txt)
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{
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int offset;
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int len = strlen(txt);
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offset = (len < 8) ? offset = ((mtx_matrices *8) - (len *6)) / 2 : 0;
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for (uint32_t i = 0; i < mtx_matrices; i++) {
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matrix[i]->clear();
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matrix[i]->setCursor(-(i *8)+offset, 0);
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matrix[i]->print(txt);
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matrix[i]->setBrightness(GetDisplayDimmer16());
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}
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MatrixWrite();
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}
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void MatrixScrollLeft(char* txt, int loop)
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{
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switch (mtx_state) {
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case 1:
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mtx_state = 2;
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// Horiz. position of text -- starts off right edge
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mtx_x = 8 * mtx_matrices;
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AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_DEBUG "[%s]"), txt);
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disp_refresh = Settings->display_refresh;
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case 2:
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disp_refresh--;
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if (!disp_refresh) {
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disp_refresh = Settings->display_refresh;
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for (uint32_t i = 0; i < mtx_matrices; i++) {
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matrix[i]->clear();
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matrix[i]->setCursor(mtx_x - i *8, 0);
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matrix[i]->print(txt);
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matrix[i]->setBrightness(GetDisplayDimmer16());
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}
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MatrixWrite();
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// Move text position left by 1 pixel.
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mtx_x--;
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int16_t len = strlen(txt);
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if (mtx_x < -(len *6)) { mtx_state = loop; }
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}
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break;
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}
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}
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void MatrixScrollUp(char* txt, int loop)
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{
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int wordcounter = 0;
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char tmpbuf[200];
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char *words[100];
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// char separators[] = " ,.;:!?";
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// char separators[] = " ";
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// char separators[] = " /|";
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char separators[] = " /";
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switch (mtx_state) {
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case 1:
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mtx_state = 2;
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// Vertical position of text -- starts off left bottom edge
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mtx_y = 8;
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mtx_counter = 0;
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disp_refresh = Settings->display_refresh;
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case 2:
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disp_refresh--;
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if (!disp_refresh) {
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disp_refresh = Settings->display_refresh;
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strlcpy(tmpbuf, txt, sizeof(tmpbuf));
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char *p = strtok(tmpbuf, separators);
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while (p != nullptr && wordcounter < 40) {
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words[wordcounter++] = p;
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p = strtok(nullptr, separators);
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}
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for (uint32_t i = 0; i < mtx_matrices; i++) {
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matrix[i]->clear();
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for (uint32_t j = 0; j < wordcounter; j++) {
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matrix[i]->setCursor(-i *8, mtx_y + (j *8));
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matrix[i]->println(words[j]);
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}
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matrix[i]->setBrightness(GetDisplayDimmer16());
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}
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MatrixWrite();
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if (((mtx_y %8) == 0) && mtx_counter) {
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mtx_counter--;
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} else {
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mtx_y--; // Move text position up by 1 pixel.
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mtx_counter = STATES * 1; // Hold text for 1 seconds
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}
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if (mtx_y < -(wordcounter *8)) { mtx_state = loop; }
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}
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break;
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}
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}
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/*********************************************************************************************/
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void MatrixInitMode(void)
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{
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for (uint32_t i = 0; i < mtx_matrices; i++) {
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matrix[i]->setRotation(Settings->display_rotate); // 1
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matrix[i]->setBrightness(GetDisplayDimmer16());
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matrix[i]->blinkRate(0); // 0 - 3
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matrix[i]->setTextWrap(false); // Allow text to run off edges
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// matrix[i]->setTextSize(Settings->display_size);
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// matrix[i]->setTextColor(LED_RED);
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matrix[i]->cp437(true);
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}
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MatrixClear();
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}
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void MatrixInit(uint8_t mode)
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{
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switch(mode) {
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case DISPLAY_INIT_MODE:
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MatrixInitMode();
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break;
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case DISPLAY_INIT_PARTIAL:
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case DISPLAY_INIT_FULL:
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break;
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}
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}
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void MatrixInitDriver(void) {
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if (!TasmotaGlobal.i2c_enabled) { return; }
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mtx_buffer = (char*)(malloc(MTX_MAX_SCREEN_BUFFER));
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if (mtx_buffer != nullptr) {
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if (!Settings->display_model) {
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if (I2cSetDevice(Settings->display_address[1])) {
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Settings->display_model = XDSP_03;
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}
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}
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if (XDSP_03 == Settings->display_model) {
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mtx_state = 1;
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for (mtx_matrices = 0; mtx_matrices < 8; mtx_matrices++) {
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if (Settings->display_address[mtx_matrices]) {
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I2cSetActiveFound(Settings->display_address[mtx_matrices], "8x8Matrix");
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matrix[mtx_matrices] = new Adafruit_8x8matrix();
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matrix[mtx_matrices]->begin(Settings->display_address[mtx_matrices]);
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} else {
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break;
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}
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}
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Settings->display_width = mtx_matrices * 8;
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Settings->display_height = 8;
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MatrixInitMode();
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AddLog(LOG_LEVEL_INFO, PSTR("DSP: 8x8Matrix"));
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}
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}
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}
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void MatrixOnOff(void)
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{
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if (!disp_power) { MatrixClear(); }
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}
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void MatrixDrawStringAt(uint16_t x, uint16_t y, char *str, uint16_t color, uint8_t flag)
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{
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strlcpy(mtx_buffer, str, MTX_MAX_SCREEN_BUFFER);
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mtx_mode = x &1; // Use x for selecting scroll up (0) or scroll left (1)
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mtx_loop = y &1; // Use y for selecting no loop (0) or loop (1)
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if (!mtx_state) { mtx_state = 1; }
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}
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/*********************************************************************************************/
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#ifdef USE_DISPLAY_MODES1TO5
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void MatrixPrintLog(uint8_t direction)
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{
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char* txt = (!mtx_done) ? DisplayLogBuffer('\370') : mtx_buffer;
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if (txt != nullptr) {
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if (!mtx_state) { mtx_state = 1; }
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if (!mtx_done) {
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// Remove extra spaces
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uint8_t space = 0;
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uint8_t max_cols = (disp_log_buffer_cols < MTX_MAX_SCREEN_BUFFER) ? disp_log_buffer_cols : MTX_MAX_SCREEN_BUFFER;
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mtx_buffer[0] = '\0';
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uint8_t i = 0;
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while ((txt[i] != '\0') && (i < max_cols)) {
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if (txt[i] == ' ') {
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space++;
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} else {
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space = 0;
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}
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if (space < 2) {
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strncat(mtx_buffer, (const char*)txt +i, (strlen(mtx_buffer) < MTX_MAX_SCREEN_BUFFER -1) ? 1 : 0);
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}
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i++;
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}
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AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_APPLICATION "[%s]"), mtx_buffer);
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mtx_done = 1;
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}
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if (direction) {
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MatrixScrollUp(mtx_buffer, 0);
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} else {
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MatrixScrollLeft(mtx_buffer, 0);
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}
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if (!mtx_state) { mtx_done = 0; }
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} else {
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char disp_time[9]; // 13:45:43
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snprintf_P(disp_time, sizeof(disp_time), PSTR("%02d" D_HOUR_MINUTE_SEPARATOR "%02d" D_MINUTE_SECOND_SEPARATOR "%02d"), RtcTime.hour, RtcTime.minute, RtcTime.second);
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MatrixFixed(disp_time);
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}
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}
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#endif // USE_DISPLAY_MODES1TO5
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void MatrixRefresh(void) // Every second
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{
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if (disp_power) {
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switch (Settings->display_mode) {
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case 0: {
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switch (mtx_mode) {
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case 0:
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MatrixScrollLeft(mtx_buffer, mtx_loop);
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break;
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case 1:
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MatrixScrollUp(mtx_buffer, mtx_loop);
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break;
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}
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break;
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}
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#ifdef USE_DISPLAY_MODES1TO5
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case 2: {
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char disp_date[9]; // 24-04-17
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snprintf_P(disp_date, sizeof(disp_date), PSTR("%02d" D_MONTH_DAY_SEPARATOR "%02d" D_YEAR_MONTH_SEPARATOR "%02d"), RtcTime.day_of_month, RtcTime.month, RtcTime.year -2000);
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MatrixFixed(disp_date);
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break;
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}
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case 3: {
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char disp_day[10]; // Mon
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snprintf_P(disp_day, sizeof(disp_day), PSTR("%d %s"), RtcTime.day_of_month, RtcTime.name_of_month);
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MatrixCenter(disp_day);
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break;
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}
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case 4:
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MatrixPrintLog(0);
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break;
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case 1: // Time and user text
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case 5: // Time, user text and MQTT
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MatrixPrintLog(1);
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break;
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#endif // USE_DISPLAY_MODES1TO5
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}
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}
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xdsp03(uint32_t function)
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{
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if (!I2cEnabled(XI2C_05)) { return false; }
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bool result = false;
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if (FUNC_DISPLAY_INIT_DRIVER == function) {
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MatrixInitDriver();
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}
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else if (XDSP_03 == Settings->display_model) {
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switch (function) {
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case FUNC_DISPLAY_MODEL:
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result = true;
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break;
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case FUNC_DISPLAY_INIT:
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MatrixInit(dsp_init);
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break;
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case FUNC_DISPLAY_EVERY_50_MSECOND:
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MatrixRefresh();
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break;
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case FUNC_DISPLAY_POWER:
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MatrixOnOff();
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break;
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case FUNC_DISPLAY_DRAW_STRING:
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MatrixDrawStringAt(dsp_x, dsp_y, dsp_str, dsp_color, dsp_flag);
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break;
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}
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}
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return result;
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}
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#endif // USE_DISPLAY_MATRIX
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#endif // USE_DISPLAY
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#endif // USE_I2C
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