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Add local-only uf2reset CLI command #2325

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Add local-only uf2reset CLI command #2325

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10 changes: 10 additions & 0 deletions docs/cli_commands.md
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,16 @@ This document provides an overview of CLI commands that can be sent to MeshCore

---

### Enter the UF2 bootloader (nRF52 only)
**Usage:**
- `uf2reset`

**Serial Only:** Yes

**Note:** Reboots directly into the UF2 bootloader on supported nRF52 boards.

---

### Reset the clock and reboot
**Usage:**
- `clkreboot`
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29 changes: 29 additions & 0 deletions src/helpers/CommonCLI.cpp
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Expand Up @@ -4,6 +4,29 @@
#include "AdvertDataHelpers.h"
#include <RTClib.h>

#if defined(NRF52_PLATFORM)
#include <nrf.h>
#include <nrf_soc.h>

#ifndef DFU_MAGIC_UF2_RESET
#define DFU_MAGIC_UF2_RESET 0x57
#endif

static void resetToUf2Bootloader() {
uint8_t sd_enabled = 0;
sd_softdevice_is_enabled(&sd_enabled);

if (sd_enabled) {
sd_power_gpregret_clr(0, 0xFF);
sd_power_gpregret_set(0, DFU_MAGIC_UF2_RESET);
} else {
NRF_POWER->GPREGRET = DFU_MAGIC_UF2_RESET;
}

NVIC_SystemReset();
}
#endif

#ifndef BRIDGE_MAX_BAUD
#define BRIDGE_MAX_BAUD 115200
#endif
Expand Down Expand Up @@ -210,6 +233,12 @@ void CommonCLI::handleCommand(uint32_t sender_timestamp, const char* command, ch
_board->powerOff(); // doesn't return
} else if (memcmp(command, "reboot", 6) == 0) {
_board->reboot(); // doesn't return
} else if (sender_timestamp == 0 && memcmp(command, "uf2reset", 8) == 0 && (command[8] == 0 || command[8] == ' ')) { // from serial command line only
#if defined(NRF52_PLATFORM)
resetToUf2Bootloader(); // doesn't return
#else
strcpy(reply, "ERR: unsupported");
#endif
} else if (memcmp(command, "clkreboot", 9) == 0) {
// Reset clock
getRTCClock()->setCurrentTime(1715770351); // 15 May 2024, 8:50pm
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