j/cable-length-cutter
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add second 7-seg display, Welcome message

Browse Source 
Add second display in series to first one
Adjust control.cpp
- welcome msg name. date
- scroll "hello" over two displays"
- display Ist/soll dummy text on each display
This commit is contained in:
jonny_ji7 2022-08-18 09:48:29 +02:00
parent b68dae7e59
commit 59bb48902d
1 changed files with 35 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
main/control.cpp
View File

@ -17,8 +17,8 @@ max7219_t init_display(){
// Configure device // Configure device
max7219_t dev; max7219_t dev;
dev.cascade_size = 1; dev.cascade_size = 2;
dev.digits = 8; dev.digits = 0;
dev.mirrored = true; dev.mirrored = true;
ESP_ERROR_CHECK(max7219_init_desc(&dev, HOST, MAX7219_MAX_CLOCK_SPEED_HZ, DISPLAY_PIN_NUM_CS)); ESP_ERROR_CHECK(max7219_init_desc(&dev, HOST, MAX7219_MAX_CLOCK_SPEED_HZ, DISPLAY_PIN_NUM_CS));
ESP_ERROR_CHECK(max7219_init(&dev)); ESP_ERROR_CHECK(max7219_init(&dev));
@ -102,7 +102,7 @@ void display_current_distance(max7219_t * dev, rotary_encoder_info_t * info){
//==== variables ===== //==== variables =====
//==================== //====================
static const char *TAG = "control"; static const char *TAG = "control";
char display_buf[10]; // 8 digits + decimal point + \0 char display_buf[20]; // 8 digits + decimal point + \0
max7219_t display; //display device max7219_t display; //display device
QueueHandle_t encoder_queue = NULL; //encoder event queue QueueHandle_t encoder_queue = NULL; //encoder event queue
rotary_encoder_info_t encoder; //encoder device/info rotary_encoder_info_t encoder; //encoder device/info
@ -124,12 +124,23 @@ void task_control(void *pvParameter)
//initialize encoder //initialize encoder
encoder_queue = init_encoder(&encoder); encoder_queue = init_encoder(&encoder);
//display startup message //---- startup message ----
max7219_clear(&display); //display welcome message on 7 segment display
ESP_LOGI(TAG, "showing startup message..."); ESP_LOGI(TAG, "showing startup message...");
max7219_draw_text_7seg(&display, 0, "ABCDEFGH"); max7219_clear(&display);
vTaskDelay(pdMS_TO_TICKS(500)); max7219_draw_text_7seg(&display, 0, "CUTTER 20.08.2022");
// 1234567812 34 5678
vTaskDelay(pdMS_TO_TICKS(700));
for (int offset = 0; offset < 23; offset++) {
max7219_clear(&display);
char hello[23] = " HELL0 ";
max7219_draw_text_7seg(&display, 0, hello + (22 - offset) );
vTaskDelay(pdMS_TO_TICKS(50));
}
max7219_clear(&display);
sprintf(display_buf, "1ST 987.4");
max7219_draw_text_7seg(&display, 0, display_buf);
//===== loop ===== //===== loop =====
while(1){ while(1){
@ -143,21 +154,23 @@ void task_control(void *pvParameter)
SW_PRESET2.handle(); SW_PRESET2.handle();
SW_PRESET3.handle(); SW_PRESET3.handle();
//switch between two display pages // //switch between two display pages
if (esp_log_timestamp() - timestamp_pageSwitched > 1000){ // if (esp_log_timestamp() - timestamp_pageSwitched > 1000){
timestamp_pageSwitched = esp_log_timestamp(); // timestamp_pageSwitched = esp_log_timestamp();
page = !page; // page = !page;
} // }
max7219_clear(&display); // max7219_clear(&display);
if (page){ // if (page){
//display current position // //display current position
display_current_distance(&display, &encoder); // display_current_distance(&display, &encoder);
} else { // } else {
//display counter // //display counter
sprintf(display_buf, "lvl: %02d", count); // sprintf(display_buf, "lvl: %02d", count);
max7219_draw_text_7seg(&display, 0, display_buf); // max7219_draw_text_7seg(&display, 0, display_buf);
//count++; // //count++;
} // }
sprintf(display_buf, "S0LL 12.3");
max7219_draw_text_7seg(&display, 8, display_buf);
//testing: rotate through speed levels //testing: rotate through speed levels