gitproxy/RTLPlayground
1
0
Fork 0
mirror of https://github.com/logicog/RTLPlayground.git synced 2026-08-30 14:52:51 +08:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #179 from bennydiamond/Early_boot_wipe_config

Browse Source 
Wipe config if button held at boot
This commit is contained in:
René van Dorst
2026-03-27 20:05:55 +00:00
committed by GitHub
parent ec5f655bba 2bfbe5358b
commit 34d53dddf2
1 changed files with 62 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
rtlplayground.c
+62
View File
@@ -30,6 +30,8 @@ extern __xdata uint32_t flash_size;
extern __xdata uint16_t crc_value;
__xdata struct machine_runtime machine_detected;
void crc16(__xdata uint8_t *v) __naked;
void flash_default_config(void);
void early_boot_handle_button(void);
// See setup_serial_timer1() for valid baudrate settings!
#define SERIAL_BAUD_RATE 115200
@@ -735,6 +737,64 @@ void delay(uint16_t t)
PCON |= 1;
}
void early_boot_handle_button(void)
{
if (machine.reset_pin == GPIO_NA)
return;
gpio_input_setup(machine.reset_pin);
// Debounce after init
delay(100);
// If the button is not already held at boot, continue normally.
if (gpio_pin_test(machine.reset_pin))
return;
set_sys_led_state(SYS_LED_FAST);
print_string("\n[Reset button held at boot]\n");
if (gpio_pin_test(machine.reset_pin))
return;
const __xdata uint32_t min_hold_ticks = 10UL * SYS_TICK_HZ;
const __xdata uint32_t max_hold_ticks = 30UL * SYS_TICK_HZ;
const __xdata uint32_t blink_ticks = SYS_TICK_HZ / 10; // 100 ms
const __xdata uint32_t pause_ticks = SYS_TICK_HZ / 2; // 500 ms
__xdata uint32_t start_ticks = ticks;
__xdata uint32_t last_blink_step = start_ticks;
__xdata uint8_t blink_step = 0;
set_sys_led_state(SYS_LED_ON);
while (!gpio_pin_test(machine.reset_pin)) {
__xdata uint32_t held_ticks = ticks - start_ticks;
if (held_ticks > max_hold_ticks) {
print_string("[Button held >30s at boot; continuing normal boot]\n");
return;
}
// Double blink pattern while button is held:
// ON (100ms), OFF (100ms), ON (100ms), OFF (500ms)
__xdata uint32_t step_ticks = (blink_step == 3) ? pause_ticks : blink_ticks;
if ((ticks - last_blink_step) >= step_ticks) {
blink_step = (blink_step + 1) & 0x3;
set_sys_led_state((blink_step == 0 || blink_step == 2) ? SYS_LED_ON : SYS_LED_OFF);
last_blink_step = ticks;
}
PCON |= 1;
}
set_sys_led_state(SYS_LED_ON);
if ((ticks - start_ticks) >= min_hold_ticks) {
print_string("[Button held 10s-30s at boot; restoring default config]\n");
set_sys_led_state(SYS_LED_FAST);
flash_default_config();
delay(3UL * SYS_TICK_HZ);
}
}
/*
* Configure the SerDes of the SoC for a particular mode
@@ -2134,6 +2194,8 @@ void main(void)
// p031f.a610:2058 p041f.a610:2058 p051f.a610:2058 r4f3c:00000000 p061f.a610:2058 p071f.a610:2058
port_stats_print();
early_boot_handle_button();
execute_config();
print_string("\n> ");
idle_ready = 1;