OmniNX/OmniNX-Installer-Payload
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Add battery run protection: require charger below 10%
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- Add bq24193_charger_connected() for charger detection
- Block install when battery < 10% and charger not plugged in
- Show clear screen after charger detected before continuing
- User can cancel with + and - to return to Hekate

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Niklas Friesen
2026-02-14 15:12:06 +01:00
parent 4b124a9998
commit 15b7cb1f4c
3 changed files with 61 additions and 0 deletions
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52
source/main.c
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@@ -18,6 +18,8 @@
#include <mem/heap.h>
#include <mem/minerva.h>
#include <power/max77620.h>
#include <power/max17050.h>
#include <power/bq24193.h>
#include <soc/bpmp.h>
#include <soc/fuse.h>
#include <soc/hw_init.h>
@@ -376,6 +378,56 @@ void ipl_main(void) {
// Determine installation mode
install_mode_t mode = current.is_installed ? INSTALL_MODE_UPDATE : INSTALL_MODE_CLEAN;
// Battery run protection: below 10% requires charger
#define BATT_LOW_THRESHOLD 10
int batt_raw = 0;
int batt_pct = 100;
if (max17050_get_property(MAX17050_RepSOC, &batt_raw) == 0) {
batt_pct = batt_raw >> 8; // RepSOC: high byte = percent
}
while (batt_pct < BATT_LOW_THRESHOLD && !bq24193_charger_connected()) {
gfx_clear_grey(0x1B);
gfx_con_setpos(0, 0);
print_header();
set_color(COLOR_RED);
gfx_printf("Akkustand zu niedrig! (%d%%)\n\n", batt_pct);
gfx_printf("Unter %d%% Akku darf die Installation nur\n", BATT_LOW_THRESHOLD);
gfx_printf("mit angeschlossenem Ladegeraet durchgefuehrt werden.\n\n");
set_color(COLOR_YELLOW);
gfx_printf("Stecke das Ladegeraet an und warte...\n");
gfx_printf("Oder druecke + und - zum Abbrechen.\n");
set_color(COLOR_WHITE);
jc_init_hw();
while (btn_read() & BTN_POWER) { msleep(50); }
bool user_cancelled = false;
while (batt_pct < BATT_LOW_THRESHOLD && !bq24193_charger_connected() && !user_cancelled) {
jc_gamepad_rpt_t *jc = joycon_poll();
if (jc && jc->plus && jc->minus) {
user_cancelled = true;
break;
}
if (max17050_get_property(MAX17050_RepSOC, &batt_raw) == 0) {
batt_pct = batt_raw >> 8;
}
msleep(200);
}
if (user_cancelled) {
gfx_printf("\nAbgebrochen. Starte Hekate...\n");
msleep(500);
if (file_exists(PAYLOAD_PATH)) {
launch_payload(PAYLOAD_PATH);
} else {
power_set_state(POWER_OFF_REBOOT);
}
return;
}
}
// Charger detected or battery OK - clear the low-battery screen before continuing
gfx_clear_grey(0x1B);
gfx_con_setpos(0, 0);
print_header();
// Show information
set_color(COLOR_CYAN);
gfx_printf("Installationsmodus: %s\n", mode == INSTALL_MODE_UPDATE ? "Update" : "Saubere Installation");