Programming the SensorWeb nRF51822 using an nRF51DK
This page documents how to program the nRF51822 processor on the SensorWeb board using the SWD/JTAG programmer included on the nRF51-DK board.
| Color | SensorWeb | nRF51-DK |
|---|---|---|
| Brown | GND (J6) | GND (P1) |
| Black | GND (J1) | GND DETECT (P20) |
| Red | VCC (J1) | VTG (P20) |
| Yellow | SWDCLK (J3) | SWD CLK (P20) |
| Orange | SWDIO (J4) | SWD IO (P20) |
- On the SensorWeb board, remove the shunt jumpers from J3 and J4
- Connect ground on the SensorWeb to Ground on the DK (brown wire in the photos). On the sensorweb board, I used the ground signal on the 3 pin J6 connector, which is the pin closest to the J11 label. On the DK, I used one of the GND signals on P1 (runs along the bottom of the board)
- Connect ground on the SensorWeb to GND DETECT on the DK (black wire in the photos). On the sensorweb board, I used the ground signal on the J1 (closest to D2 label). On the DK, GND DETECT is on P20 (row of male pins abvoe the JTAG processor - the one with the white sticker)
- Connect SWDCLK between the boards (yellow wire in the photos). On the sensorweb board use the J3 pin furthest from the J3 label. On the DK, this is on P20.
- Connect SWDIO between the boards (orange wire in the photos). On the sensorweb board use the J4 pin furthest from the J4 label. On the DK, this is on P20.
- Connect VCC on the sensorweb board to VTG on the DK (red wire in the photos). On the sensorweb board I used VCC from J1 (pin closest to the edge of the board). On the DK VTG is on P20.
Photo showing connections on SensorWeb board
Photo showing connections on nRF51-DK board
Photo showing ground connection on nRF51-DK board
Powerup both boards. The nRF51-DK board will show up as removable storage (Under Ubuntu mine appeared as /media/dhylands/JLINK). Copy the .hex file from your build into the /media/dhylands/JLINK directory and it should flash the nRF51822 on the sensorweb board. I see the JLINK directory disappear and after programming is finished, it will reappear and the program will start running on the nRF51822.