Add a few comments
This commit is contained in:
parent
78f24f7338
commit
22bb227bc7
@ -484,7 +484,7 @@ static shellmatta_retCode_t shell_cmd_ui_emulation(const shellmatta_handle_t han
|
||||
char *buff;
|
||||
uint8_t row;
|
||||
uint8_t col;
|
||||
bool differs = false;
|
||||
bool disp_content_differs = false;
|
||||
static char IN_SECTION(.ccm.bss) display_buffer[4][21] = {0};
|
||||
const char (*current_display)[21];
|
||||
|
||||
@ -516,6 +516,10 @@ static shellmatta_retCode_t shell_cmd_ui_emulation(const shellmatta_handle_t han
|
||||
button_override_event(BUTTON_LONG_RELEASED);
|
||||
break;
|
||||
case '\x03':
|
||||
/* CTRL-C received. Delete the display buffer so it will be updated the next time
|
||||
* This function is called.
|
||||
* Otherwise the diplay might not be printed to the console if nothing has changed
|
||||
*/
|
||||
display_buffer[0][0] = 0;
|
||||
display_buffer[1][0] = 0;
|
||||
display_buffer[2][0] = 0;
|
||||
@ -531,16 +535,17 @@ static shellmatta_retCode_t shell_cmd_ui_emulation(const shellmatta_handle_t han
|
||||
for (col = 0; col < 21; col++) {
|
||||
if (current_display[row][col] != display_buffer[row][col]) {
|
||||
display_buffer[row][col] = current_display[row][col];
|
||||
differs = true;
|
||||
disp_content_differs = true;
|
||||
}
|
||||
}
|
||||
display_buffer[row][20] = 0;
|
||||
}
|
||||
|
||||
|
||||
if (differs) {
|
||||
if (disp_content_differs) {
|
||||
/* Clear the display */
|
||||
shellmatta_printf(handle, "\e[2J\e[H");
|
||||
|
||||
/* Print out the rows of the LCD to console */
|
||||
for (row = 0; row < 4; row++) {
|
||||
shellmatta_printf(handle, "%s\r\n", &display_buffer[row][0]);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user