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--- products:sbc:vim1s:hardware:vim1s-boot-flow [2023/06/05 07:50]
hyphop [OOWOW boot led indication]
+++ products:sbc:vim1s:hardware:vim1s-boot-flow [2023/06/05 21:45] (current)
hyphop [OOWOW boot led indication]
@@ Line 25: / Line 25: @@
 ====== OOWOW boot led indication ======
-OOWOW boot makes a red LED indication on the first boot seconds, its looks like a short RED blink about 1 sec in success,
+OOWOW boot makes a red LED indication on the first boot seconds, it's looks like a short RED blinking 1-3 sec in success,
 <WRAP important >
@@ Line 53: / Line 53: @@
 === dev-info ===
-WIP:
+WIP: special pre-boot led indication
-```shell ~/khadas/vim1s/fenix/build/u-boot/board/khadas/configs$ grep -m1 PREBOOT kvim1s.h -A12
-#define CONFIG_PREBOOT  \
-	"run mcu_fan; " \
-	"run mcu_oowow_mode_chk; " \
-	"run led_mcu_on; " \
-	"run bcb_cmd; " \
-	"run upgrade_check;" \
-	"run init_display;" \
-	"run storeargs;" \
-	"run led_mcu_off; " \
-	"run upgrade_key;" \
-	"run switch_bootmode; " \
-	"run mcu_fan_off; "
-#else
-```
-```shell uboot led
-kvim1s# printenv led_mcu_on
-led_mcu_on=kbi led systemon w on
-kvim1s# printenv led_mcu_off
-led_mcu_off=kbi led systemon w off
-```

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