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esp32-sequencer
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Feat: Add display of sequence steps to GUI

main
rkcf 2023-02-04 21:49:42 -06:00
parent 1b9afed3d0
commit 6145ad8ace
1 changed files with 26 additions and 4 deletions
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30
main/esp32-sequencer.c
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@ -91,6 +91,7 @@ static uint16_t current_bpm = DEFAULT_BPM;
#define SEQ_MAX_LEN 8
static uint8_t sequence[SEQ_MAX_LEN] = {0};
static uint8_t seq_len = SEQ_MAX_LEN;
lv_obj_t * sequence_label = NULL;
static const char *TAG = "sequencer";
@ -103,10 +104,24 @@ uint32_t ms_to_bpm(uint32_t ms) {
return 60000 / ms;
}
// updates the sequence for the GUI display
static void update_seq(uint8_t *sequence) {
char seq_str[seq_len];
for (uint8_t i = 0; i < seq_len; i++) {
if (sequence[i] == 1) {
seq_str[i] = 'x';
} else {
seq_str[i] = 'o';
}
}
lv_label_set_text(sequence_label, seq_str);
}
static void randomize_seq(uint8_t *sequence) {
for (uint8_t i = 0; i < SEQ_MAX_LEN; i++) {
sequence[i] = esp_random() % 2;
}
update_seq(sequence);
}
static void mutate_seq(uint8_t *sequence) {
@ -118,6 +133,7 @@ static void mutate_seq(uint8_t *sequence) {
} else if (sequence[step] == 0) {
sequence[step] = 1;
}
update_seq(sequence);
}
/* Handle tap tempo button presses */
@ -393,9 +409,9 @@ static void display_init(void) {
static void gui_create(void) {
// Setup flex layout
lv_obj_t * seq_row = lv_obj_create(lv_scr_act());
lv_obj_set_size(seq_row, 300, 70);
lv_obj_set_flex_flow(seq_row, LV_FLEX_FLOW_ROW);
/* lv_obj_t * seq_row = lv_obj_create(lv_scr_act()); */
/* lv_obj_set_size(seq_row, 300, 70); */
/* lv_obj_set_flex_flow(seq_row, LV_FLEX_FLOW_ROW); */
// Initialize style
static lv_style_t gui_style;
@ -416,9 +432,15 @@ static void gui_create(void) {
lv_obj_t * title_label = lv_label_create(lv_scr_act());
lv_label_set_text(title_label, "ESP32 Sequencer\n");
lv_obj_add_style(title_label, &gui_style, LV_STATE_DEFAULT);
lv_obj_align(title_label, LV_ALIGN_TOP_MID, 0, 5);
// Create sequence text area
sequence_label = lv_label_create(lv_scr_act());
lv_label_set_text(sequence_label, "oooooooo");
lv_obj_add_style(sequence_label, &gui_style, LV_STATE_DEFAULT);
// Align label to center top
/* lv_obj_align(title_label, LV_ALIGN_BOTTOM_RIGHT, 0, 0); */
lv_obj_align(sequence_label, LV_ALIGN_TOP_LEFT, 0, 30);
}
static void gui_task(void *pvParameter) {