Show warning message before exporting to SD card.

This commit is contained in:
Ari Sundholm 2020-11-08 17:39:26 +02:00
parent 32bbc49bf0
commit 8df33bb364
1 changed files with 48 additions and 7 deletions

View File

@ -318,6 +318,32 @@ sd_disable:
return retval;
}
static alt_u8 poll_yesno(const useconds_t useconds, alt_u32 *const btn_vec_out)
{
alt_u32 btn_vec;
alt_u8 ret = 0U;
for (alt_u32 i = 0; i < (useconds/WAITLOOP_SLEEP_US); ++i) {
btn_vec = IORD_ALTERA_AVALON_PIO_DATA(PIO_1_BASE) & RC_MASK;
for (alt_u32 j = RC_BTN1; j < (REMOTE_MAX_KEYS - 1); ++j) {
if (btn_vec == rc_keymap[j]) {
ret = 1U;
break;
}
}
if (ret)
break;
usleep(WAITLOOP_SLEEP_US);
}
if (ret) {
*btn_vec_out = btn_vec;
}
return ret;
}
int export_userdata()
{
int retval;
@ -332,20 +358,35 @@ int export_userdata()
goto failure;
}
strncpy(menu_row2, "Export? 1=Y, 2=N", LCD_ROW_LEN+1);
ui_disp_menu(2);
usleep(100000U);
while (1) {
btn_vec = IORD_ALTERA_AVALON_PIO_DATA(PIO_1_BASE) & RC_MASK;
strncpy(menu_row2, "SD CARD WILL BE", LCD_ROW_LEN+1);
ui_disp_menu(2);
if (poll_yesno(1000000U, &btn_vec))
goto eval_button;
strncpy(menu_row2, "OVERWRITTEN!!!", LCD_ROW_LEN+1);
ui_disp_menu(2);
if (poll_yesno(1000000U, &btn_vec))
goto eval_button;
strncpy(menu_row2, "Export? 1=Y, 2=N", LCD_ROW_LEN+1);
ui_disp_menu(2);
if (poll_yesno(2000000U, &btn_vec))
goto eval_button;
continue;
eval_button:
if (btn_vec == rc_keymap[RC_BTN1]) {
break;
} else if (btn_vec == rc_keymap[RC_BTN2]) {
} else if (btn_vec == rc_keymap[RC_BTN2] ||
btn_vec == rc_keymap[RC_BACK])
{
retval = UDATA_EXPT_CANCELLED;
goto failure;
}
usleep(WAITLOOP_SLEEP_US);
strncpy(menu_row2, "Press 1 or 2", LCD_ROW_LEN+1);
ui_disp_menu(2);
if (poll_yesno(300000U, &btn_vec))
goto eval_button;
}
strncpy(menu_row2, "Exporting...", LCD_ROW_LEN+1);