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Add second 7-seg display, Welcome message

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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
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57
main/control.cpp
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@ -17,8 +17,8 @@ max7219_t init_display(){
// Configure device
max7219_t dev;
dev.cascade_size = 1;
dev.digits = 8;
dev.cascade_size = 2;
dev.digits = 0;
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(&dev));
@ -102,7 +102,7 @@ void display_current_distance(max7219_t * dev, rotary_encoder_info_t * info){
//==== variables =====
//====================
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
QueueHandle_t encoder_queue = NULL; //encoder event queue
rotary_encoder_info_t encoder; //encoder device/info
@ -124,12 +124,23 @@ void task_control(void *pvParameter)
//initialize encoder
encoder_queue = init_encoder(&encoder);
//display startup message
max7219_clear(&display);
//---- startup message ----
//display welcome message on 7 segment display
ESP_LOGI(TAG, "showing startup message...");
max7219_draw_text_7seg(&display, 0, "ABCDEFGH");
vTaskDelay(pdMS_TO_TICKS(500));
max7219_clear(&display);
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 =====
while(1){
@ -143,21 +154,23 @@ void task_control(void *pvParameter)
SW_PRESET2.handle();
SW_PRESET3.handle();
//switch between two display pages
if (esp_log_timestamp() - timestamp_pageSwitched > 1000){
timestamp_pageSwitched = esp_log_timestamp();
page = !page;
}
max7219_clear(&display);
if (page){
//display current position
display_current_distance(&display, &encoder);
} else {
//display counter
sprintf(display_buf, "lvl: %02d", count);
max7219_draw_text_7seg(&display, 0, display_buf);
//count++;
}
// //switch between two display pages
// if (esp_log_timestamp() - timestamp_pageSwitched > 1000){
// timestamp_pageSwitched = esp_log_timestamp();
// page = !page;
// }
// max7219_clear(&display);
// if (page){
// //display current position
// display_current_distance(&display, &encoder);
// } else {
// //display counter
// sprintf(display_buf, "lvl: %02d", count);
// max7219_draw_text_7seg(&display, 0, display_buf);
// //count++;
// }
sprintf(display_buf, "S0LL 12.3");
max7219_draw_text_7seg(&display, 8, display_buf);
//testing: rotate through speed levels