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ipodnano3g: Show a QR code if the NAND is not supported

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Currently, the link points to the unofficial bootloader builds and installation instructions by freemyipod.org, but it can be changed at any time by the rockbox.org website maintainer.

Co-authored-by: ChatGPT-5.6 Luna
Change-Id: I05a78a6540ebcc0e03a1f12f5d765e69e68af00c
This commit is contained in:
Vencislav Atanasov 2026-09-22 23:24:46 +03:00 • committed by Solomon Peachy
parent 31f2a27f1e
commit af2a3b74f4
1 changed files with 72 additions and 2 deletions
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74
bootloader/ipod-s5l87xx.c
View file

@ -887,6 +887,74 @@ static void devel_menu(void)
}
#endif /* S5L87XX_DEVELOPMENT_BOOTLOADER */
static void lcd_qr_code(const char *data, unsigned int row_stride,
int x, int y, unsigned int qr_cols, unsigned int qr_rows,
unsigned int modules_scale, unsigned int margin_thickness)
{
const unsigned int margin_size = margin_thickness * 2;
const unsigned int width = qr_cols * modules_scale + margin_size;
const unsigned int height = qr_rows * modules_scale + margin_size;
// -1 = align right, -2 = align center
const unsigned int x0 = x >= 0 ? (unsigned int)x : (LCD_WIDTH - width) / abs(x);
const unsigned int y0 = y >= 0 ? (unsigned int)y : (LCD_HEIGHT - height) / abs(y);
lcd_set_foreground(LCD_WHITE);
lcd_fillrect(x0, y0, width, height);
lcd_set_foreground(LCD_BLACK);
for (unsigned int row = 0; row < qr_rows; row++) {
for (unsigned int col = 0; col < qr_cols; col++) {
if (data[row * row_stride + col] != ' ') {
lcd_fillrect(
x0 + margin_thickness + col * modules_scale,
y0 + margin_thickness + row * modules_scale,
modules_scale,
modules_scale
);
}
}
}
lcd_update();
}
static const char qr_code_data[][22] = {
/*
* qrencode -o - -t ascii -s 1 -m 0 -i 'https://rockbox.org/IPNBL' | \
* cut -c 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41 | \
* awk '{ print "\"" $0 "\"," }'
*/
"####### # #######",
"# # ## # # #",
"# ### # ## # # ### #",
"# ### # # # # # ### #",
"# ### # # ## # ### #",
"# # #### # #",
"####### # # # #######",
" ## ",
"##### ######## # # # ",
"# # #### # # #",
" # # # #",
"## # # # # ## #### ",
"# ### ## ### ",
" ## # # ####",
"####### ## # ### #",
"# # ### # ## ",
"# ### # # #### ###",
"# ### # ### ### ## ",
"# ### # #### # # ",
"# # # ## ## # #",
"####### # ## ## ",
};
enum {
QR_COLS = sizeof(qr_code_data[0]) - 1,
QR_ROWS = sizeof(qr_code_data) / sizeof(qr_code_data[0]),
QR_STRIDE = sizeof(qr_code_data[0]),
};
void main(void)
{
int rc = 0;
@ -1013,8 +1081,10 @@ void main(void)
printf("Rockbox does not write to");
printf("chips it has not been");
printf("tested on.");
printf("Starting Apple firmware...");
sleep(8 * HZ); /* long enough to read the message */
printf("Starting Apple firmware in 60s...");
lcd_qr_code(&qr_code_data[0][0], QR_STRIDE, -2, LCD_HEIGHT / 2, QR_COLS, QR_ROWS, 4, 8);
sleep(60 * HZ); /* long enough to read the message and scan the QR code */
lcd_set_foreground(LCD_WHITE);
rc = kernel_launch_onb();
/* Only reached if the ONB could not be read from NOR */
printf("Apple firmware failed: %d", rc);