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Userdata export: Shrink the warning message code a bit.

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This commit is contained in:
Ari Sundholm 2020-11-08 23:09:58 +02:00
parent 8df33bb364
commit b68b586ec8
1 changed files with 41 additions and 38 deletions
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79
software/sys_controller/ossc/userdata.c
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@ -322,6 +322,7 @@ 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;
@ -338,39 +339,45 @@ static alt_u8 poll_yesno(const useconds_t useconds, alt_u32 *const btn_vec_out)
usleep(WAITLOOP_SLEEP_US);
}
if (ret) {
if (ret)
*btn_vec_out = btn_vec;
}
return ret;
}
int export_userdata()
{
int retval;
char *errmsg;
const char *msg;
alt_u8 databuf[SD_BLK_SIZE];
alt_u8 prompt_state = 0;
useconds_t prompt_delay;
const alt_u8 prompt_transitions[] = { 1, 2, 0, 0, };
const char *prompt_msgs[] = {
"SD CARD WILL BE",
"OVERWRITTEN!!!",
"Export? 1=Y, 2=N",
"Press 1 or 2",
};
alt_u32 btn_vec;
retval = check_sdcard(databuf);
SPI_CS_High();
if (retval != 0) {
retval = -retval;
goto failure;
goto out;
}
usleep(100000U);
while (1) {
strncpy(menu_row2, "SD CARD WILL BE", LCD_ROW_LEN+1);
msg = prompt_msgs[prompt_state];
prompt_delay = (prompt_state == 2) ? 2000000U
: ((prompt_state == 3) ? 300000U : 1000000U);
prompt_state = prompt_transitions[prompt_state];
strncpy(menu_row2, msg, 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))
if (poll_yesno(prompt_delay, &btn_vec))
goto eval_button;
continue;
@ -381,12 +388,9 @@ eval_button:
btn_vec == rc_keymap[RC_BACK])
{
retval = UDATA_EXPT_CANCELLED;
goto failure;
goto out;
}
strncpy(menu_row2, "Press 1 or 2", LCD_ROW_LEN+1);
ui_disp_menu(2);
if (poll_yesno(300000U, &btn_vec))
goto eval_button;
prompt_state = 3;
}
strncpy(menu_row2, "Exporting...", LCD_ROW_LEN+1);
@ -394,37 +398,36 @@ eval_button:
/* This may wear the SD card a bit more than necessary... */
retval = copy_flash_to_sd(USERDATA_OFFSET/PAGESIZE, 512/SD_BLK_SIZE, (MAX_USERDATA_ENTRY + 1) * SECTORSIZE, databuf);
if (retval != 0)
goto failure;
SPI_CS_High();
strncpy(menu_row2, "Success", LCD_ROW_LEN+1);
return 1;
failure:
out:
SPI_CS_High();
switch (retval) {
case 0:
msg = "Success";
break;
case SD_NOINIT:
errmsg = "No SD card det.";
msg = "No SD card det.";
break;
case -EINVAL:
errmsg = "Invalid params.";
msg = "Invalid params.";
break;
case UDATA_EXPT_CANCELLED:
errmsg = "Cancelled";
msg = "Cancelled";
break;
default:
errmsg = "SD/Flash error";
msg = "SD/Flash error";
break;
}
strncpy(menu_row2, errmsg, LCD_ROW_LEN+1);
strncpy(menu_row2, msg, LCD_ROW_LEN+1);
/*
* We want the message above to remain on screen, so return a
* positive value which nevertheless stands out when debugging.
*/
return 0x0dead;
if (!retval) {
return 1;
} else {
/*
* We want the message above to remain on screen, so return a
* positive value which nevertheless stands out when debugging.
*/
return 0x0dead;
}
}