/*
xdsp_03_matrix.ino - Display 8x8 matrix support for Tasmota
Copyright (C) 2020 Theo Arends and Adafruit
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 .
*/
#ifdef USE_I2C
#ifdef USE_DISPLAY
#ifdef USE_DISPLAY_MATRIX
#define XDSP_03 3
#define XI2C_05 5 // See I2CDEVICES.md
#define MTX_MAX_SCREEN_BUFFER 80
#include
#include
#include // 8x8 Matrix
Adafruit_8x8matrix *matrix[8];
uint8_t mtx_matrices = 0;
uint8_t mtx_state = 0;
uint8_t mtx_counter = 0;
int16_t mtx_x = 0;
int16_t mtx_y = 0;
//char mtx_buffer[MTX_MAX_SCREEN_BUFFER];
char *mtx_buffer = nullptr;
uint8_t mtx_mode = 0;
uint8_t mtx_loop = 0;
uint8_t mtx_done = 0;
/*********************************************************************************************/
void MatrixWrite(void)
{
for (uint32_t i = 0; i < mtx_matrices; i++) {
matrix[i]->writeDisplay();
}
}
void MatrixClear(void)
{
for (uint32_t i = 0; i < mtx_matrices; i++) {
matrix[i]->clear();
}
MatrixWrite();
}
void MatrixFixed(char* txt)
{
for (uint32_t i = 0; i < mtx_matrices; i++) {
matrix[i]->clear();
matrix[i]->setCursor(-i *8, 0);
matrix[i]->print(txt);
matrix[i]->setBrightness(Settings.display_dimmer);
}
MatrixWrite();
}
void MatrixCenter(char* txt)
{
int offset;
int len = strlen(txt);
offset = (len < 8) ? offset = ((mtx_matrices *8) - (len *6)) / 2 : 0;
for (uint32_t i = 0; i < mtx_matrices; i++) {
matrix[i]->clear();
matrix[i]->setCursor(-(i *8)+offset, 0);
matrix[i]->print(txt);
matrix[i]->setBrightness(Settings.display_dimmer);
}
MatrixWrite();
}
void MatrixScrollLeft(char* txt, int loop)
{
switch (mtx_state) {
case 1:
mtx_state = 2;
// Horiz. position of text -- starts off right edge
mtx_x = 8 * mtx_matrices;
AddLog_P(LOG_LEVEL_DEBUG, PSTR(D_LOG_DEBUG "[%s]"), txt);
disp_refresh = Settings.display_refresh;
case 2:
disp_refresh--;
if (!disp_refresh) {
disp_refresh = Settings.display_refresh;
for (uint32_t i = 0; i < mtx_matrices; i++) {
matrix[i]->clear();
matrix[i]->setCursor(mtx_x - i *8, 0);
matrix[i]->print(txt);
matrix[i]->setBrightness(Settings.display_dimmer);
}
MatrixWrite();
// Move text position left by 1 pixel.
mtx_x--;
int16_t len = strlen(txt);
if (mtx_x < -(len *6)) { mtx_state = loop; }
}
break;
}
}
void MatrixScrollUp(char* txt, int loop)
{
int wordcounter = 0;
char tmpbuf[200];
char *words[100];
// char separators[] = " ,.;:!?";
// char separators[] = " ";
// char separators[] = " /|";
char separators[] = " /";
switch (mtx_state) {
case 1:
mtx_state = 2;
// Vertical position of text -- starts off left bottom edge
mtx_y = 8;
mtx_counter = 0;
disp_refresh = Settings.display_refresh;
case 2:
disp_refresh--;
if (!disp_refresh) {
disp_refresh = Settings.display_refresh;
strlcpy(tmpbuf, txt, sizeof(tmpbuf));
char *p = strtok(tmpbuf, separators);
while (p != nullptr && wordcounter < 40) {
words[wordcounter++] = p;
p = strtok(nullptr, separators);
}
for (uint32_t i = 0; i < mtx_matrices; i++) {
matrix[i]->clear();
for (uint32_t j = 0; j < wordcounter; j++) {
matrix[i]->setCursor(-i *8, mtx_y + (j *8));
matrix[i]->println(words[j]);
}
matrix[i]->setBrightness(Settings.display_dimmer);
}
MatrixWrite();
if (((mtx_y %8) == 0) && mtx_counter) {
mtx_counter--;
} else {
mtx_y--; // Move text position up by 1 pixel.
mtx_counter = STATES * 1; // Hold text for 1 seconds
}
if (mtx_y < -(wordcounter *8)) { mtx_state = loop; }
}
break;
}
}
/*********************************************************************************************/
void MatrixInitMode(void)
{
for (uint32_t i = 0; i < mtx_matrices; i++) {
matrix[i]->setRotation(Settings.display_rotate); // 1
matrix[i]->setBrightness(Settings.display_dimmer);
matrix[i]->blinkRate(0); // 0 - 3
matrix[i]->setTextWrap(false); // Allow text to run off edges
// matrix[i]->setTextSize(Settings.display_size);
// matrix[i]->setTextColor(LED_RED);
matrix[i]->cp437(true);
}
MatrixClear();
}
void MatrixInit(uint8_t mode)
{
switch(mode) {
case DISPLAY_INIT_MODE:
MatrixInitMode();
break;
case DISPLAY_INIT_PARTIAL:
case DISPLAY_INIT_FULL:
break;
}
}
void MatrixInitDriver(void)
{
mtx_buffer = (char*)(malloc(MTX_MAX_SCREEN_BUFFER));
if (mtx_buffer != nullptr) {
if (!Settings.display_model) {
if (I2cSetDevice(Settings.display_address[1])) {
Settings.display_model = XDSP_03;
}
}
if (XDSP_03 == Settings.display_model) {
mtx_state = 1;
for (mtx_matrices = 0; mtx_matrices < 8; mtx_matrices++) {
if (Settings.display_address[mtx_matrices]) {
I2cSetActiveFound(Settings.display_address[mtx_matrices], "8x8Matrix");
matrix[mtx_matrices] = new Adafruit_8x8matrix();
matrix[mtx_matrices]->begin(Settings.display_address[mtx_matrices]);
} else {
break;
}
}
Settings.display_width = mtx_matrices * 8;
Settings.display_height = 8;
MatrixInitMode();
}
}
}
void MatrixOnOff(void)
{
if (!disp_power) { MatrixClear(); }
}
void MatrixDrawStringAt(uint16_t x, uint16_t y, char *str, uint16_t color, uint8_t flag)
{
strlcpy(mtx_buffer, str, MTX_MAX_SCREEN_BUFFER);
mtx_mode = x &1; // Use x for selecting scroll up (0) or scroll left (1)
mtx_loop = y &1; // Use y for selecting no loop (0) or loop (1)
if (!mtx_state) { mtx_state = 1; }
}
/*********************************************************************************************/
#ifdef USE_DISPLAY_MODES1TO5
void MatrixPrintLog(uint8_t direction)
{
char* txt = (!mtx_done) ? DisplayLogBuffer('\370') : mtx_buffer;
if (txt != nullptr) {
if (!mtx_state) { mtx_state = 1; }
if (!mtx_done) {
// Remove extra spaces
uint8_t space = 0;
uint8_t max_cols = (disp_log_buffer_cols < MTX_MAX_SCREEN_BUFFER) ? disp_log_buffer_cols : MTX_MAX_SCREEN_BUFFER;
mtx_buffer[0] = '\0';
uint8_t i = 0;
while ((txt[i] != '\0') && (i < max_cols)) {
if (txt[i] == ' ') {
space++;
} else {
space = 0;
}
if (space < 2) {
strncat(mtx_buffer, (const char*)txt +i, (strlen(mtx_buffer) < MTX_MAX_SCREEN_BUFFER -1) ? 1 : 0);
}
i++;
}
AddLog_P(LOG_LEVEL_DEBUG, PSTR(D_LOG_APPLICATION "[%s]"), mtx_buffer);
mtx_done = 1;
}
if (direction) {
MatrixScrollUp(mtx_buffer, 0);
} else {
MatrixScrollLeft(mtx_buffer, 0);
}
if (!mtx_state) { mtx_done = 0; }
} else {
char disp_time[9]; // 13:45:43
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);
MatrixFixed(disp_time);
}
}
#endif // USE_DISPLAY_MODES1TO5
void MatrixRefresh(void) // Every second
{
if (disp_power) {
switch (Settings.display_mode) {
case 0: {
switch (mtx_mode) {
case 0:
MatrixScrollLeft(mtx_buffer, mtx_loop);
break;
case 1:
MatrixScrollUp(mtx_buffer, mtx_loop);
break;
}
break;
}
#ifdef USE_DISPLAY_MODES1TO5
case 2: {
char disp_date[9]; // 24-04-17
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);
MatrixFixed(disp_date);
break;
}
case 3: {
char disp_day[10]; // Mon
snprintf_P(disp_day, sizeof(disp_day), PSTR("%d %s"), RtcTime.day_of_month, RtcTime.name_of_month);
MatrixCenter(disp_day);
break;
}
case 4:
MatrixPrintLog(0);
break;
case 1: // Time and user text
case 5: // Time, user text and MQTT
MatrixPrintLog(1);
break;
#endif // USE_DISPLAY_MODES1TO5
}
}
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdsp03(uint8_t function)
{
if (!I2cEnabled(XI2C_05)) { return false; }
bool result = false;
if (FUNC_DISPLAY_INIT_DRIVER == function) {
MatrixInitDriver();
}
else if (XDSP_03 == Settings.display_model) {
switch (function) {
case FUNC_DISPLAY_MODEL:
result = true;
break;
case FUNC_DISPLAY_INIT:
MatrixInit(dsp_init);
break;
case FUNC_DISPLAY_EVERY_50_MSECOND:
MatrixRefresh();
break;
case FUNC_DISPLAY_POWER:
MatrixOnOff();
break;
case FUNC_DISPLAY_DRAW_STRING:
MatrixDrawStringAt(dsp_x, dsp_y, dsp_str, dsp_color, dsp_flag);
break;
}
}
return result;
}
#endif // USE_DISPLAY_MATRIX
#endif // USE_DISPLAY
#endif // USE_I2C