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TDeck wheel in LVGL by @coolcoder613eb #419

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merged 1 commit into from
Nov 13, 2024
Merged

TDeck wheel in LVGL by @coolcoder613eb #419

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33 changes: 20 additions & 13 deletions tulip/esp32s3/tdeck_keyboard.c
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Original file line number Diff line number Diff line change
Expand Up @@ -14,12 +14,15 @@
#include "usb_host.h"

#define TIMEOUT_MS 10
#define KEYBOARD_BUFFER_SIZE 32

static char lvgl_kb_buf[KEYBOARD_BUFFER_SIZE];

int state = 0;
QueueHandle_t interruptQueue;
struct KeyMapping {
// The following characters should be available to map to an alternative
// Default: q w e r t y u i o p a s d f g h j k l z x c v b n m $
// Default: q w e r t y u i o p a s d f g h j k l z x c v b n m $
// Shift: Q W E R T Y U I O P A S D F G H J K L Z X C V B N M
// Symbol: # 1 2 3 ( ) _ - + @ * 4 5 6 / : ; \ " 7 8 9 ? ! , . 0
char original;
Expand All @@ -32,6 +35,16 @@ static void IRAM_ATTR gpio_interrupt_handler(void *args)
xQueueSendFromISR(interruptQueue, &pinNumber, NULL);
}

static void send_key_to_both(uint16_t key) {
const size_t len = strlen(lvgl_kb_buf);
if (len < KEYBOARD_BUFFER_SIZE - 1) {
lvgl_kb_buf[len] = keycode_to_ctrl_key(key);
lvgl_kb_buf[len + 1] = '\0';
}
send_key_to_micropython(key);
}


// Send trackpall spins as arrow keys.
// The push current sends "enter"
void watch_trackball(void *params)
Expand All @@ -43,11 +56,11 @@ void watch_trackball(void *params)
{
if (xQueueReceive(interruptQueue, &pinNumber, portMAX_DELAY))
{
if(pinNumber == TDECK_TRACKBALL_UP) send_key_to_micropython(259);
if(pinNumber == TDECK_TRACKBALL_DOWN) send_key_to_micropython(258);
if(pinNumber == TDECK_TRACKBALL_LEFT) send_key_to_micropython(260);
if(pinNumber == TDECK_TRACKBALL_RIGHT) send_key_to_micropython(261);
if(pinNumber == TDECK_TRACKBALL_CLICK) send_key_to_micropython(13);
if(pinNumber == TDECK_TRACKBALL_UP) send_key_to_both(259);
if(pinNumber == TDECK_TRACKBALL_DOWN) send_key_to_both(258);
if(pinNumber == TDECK_TRACKBALL_LEFT) send_key_to_both(260);
if(pinNumber == TDECK_TRACKBALL_RIGHT) send_key_to_both(261);
if(pinNumber == TDECK_TRACKBALL_CLICK) send_key_to_both(13);
//fprintf(stderr,"GPIO %d was pressed. The state is %d\n", pinNumber, gpio_get_level(pinNumber));
}
}
Expand All @@ -63,10 +76,6 @@ char get_alternative_char(struct KeyMapping mappings[], int size, char original)
return original;
}

#define KEYBOARD_BUFFER_SIZE 32

static char lvgl_kb_buf[KEYBOARD_BUFFER_SIZE];


void lvgl_keyboard_read(lv_indev_t * indev_drv, lv_indev_data_t * data) {
(void) indev_drv; // unused
Expand All @@ -80,7 +89,7 @@ void lvgl_keyboard_read(lv_indev_t * indev_drv, lv_indev_data_t * data) {
data->state = LV_INDEV_STATE_RELEASED;
data->continue_reading = len > 0;
}
// Send the pressed character
// Send the pressed character
else if (len > 0) {
dummy_read = true;
data->state = LV_INDEV_STATE_PRESSED;
Expand Down Expand Up @@ -234,5 +243,3 @@ void run_tdeck_keyboard() {
delay_ms(10);
}
}


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