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kevin
2026-07-18 22:50:46 +08:00
parent 8eaea338e8
commit 421838fd1d
2 changed files with 9 additions and 3 deletions
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variants/nrf52840/diy/moonshine_NRF52/readme.md
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@@ -32,13 +32,18 @@ DIY Meshtastic node variant based on the RF-BM-ND05 nRF52840 module.
| GPS_TX (MCU) | P0.08 | Data from MCU to GNSS |
| UART_TX | P0.14 | Serial2 |
| UART_RX | P0.15 | Serial2 |
| UART_RTS | P0.12 | Serial2 flow control |
| UART_CTS | P0.13 | Serial2 flow control |
| UART_RTS | P0.12 | Serial2 flow control (see note) |
| UART_CTS | P0.13 | Serial2 flow control (see note) |
Silkscreen GPS_TX/GPS_RX labels are from the GPS module perspective; Meshtastic
macros (`GPS_TX_PIN` / `GPS_RX_PIN`) are from the MCU perspective, so they are
swapped relative to the silkscreen.
Note: P0.12/P0.13 are physically wired as RTS/CTS, but the Adafruit nRF52 core's
`Serial2` singleton uses the 4-argument constructor (`uc_hwFlow = 0`), so
hardware flow control is not enabled by firmware. These pins are unused unless
the core is patched.
## Build
```sh
variants/nrf52840/diy/moonshine_NRF52/variant.h
+2 -1
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@@ -88,7 +88,8 @@ MOONSHINE NRF52 PIN ASSIGNMENT (RF-BM-ND05)
#define PIN_SERIAL1_TX GPS_TX_PIN
#define PIN_SERIAL1_RX GPS_RX_PIN
// Serial2 (with hardware flow control: P0.12=RTS, P0.13=CTS)
// Serial2 (P0.12/P0.13 are wired to RTS/CTS, but HW flow control is not enabled
// by the Adafruit nRF52 core Serial2 singleton - these pins are unused by firmware)
#define PIN_SERIAL2_RX (0 + 15) // P0.15
#define PIN_SERIAL2_TX (0 + 14) // P0.14