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debug data received on UART buffer

Hello,

I am using UART to receive data on a nRF52840 DK.

I have written some code using the Serial Port Library.

I have attached snippets of the code dealing with the Serial Port.

This is the header file

 

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void init_rs485();
void serial_event_handler(struct nrf_serial_s const * p_serial,
nrf_serial_event_t event);
void send_rs485_message(char *buffer, size_t length);
// Setup UART0 for IPN
#define IPN_BAUDRATE 0x83F8
#define UNUSED_PIN 0xFFFFFFFF
#define RS485_TX_PIN NRF_GPIO_PIN_MAP(0, 6)
#define RS485_RX_PIN NRF_GPIO_PIN_MAP(0, 5)
NRF_SERIAL_DRV_UART_CONFIG_DEF(m_uart1_drv_config,
RS485_RX_PIN, RS485_TX_PIN,
UNUSED_PIN, UNUSED_PIN,
NRF_UART_HWFC_DISABLED, NRF_UART_PARITY_EXCLUDED,
IPN_BAUDRATE,
UART_DEFAULT_CONFIG_IRQ_PRIORITY);
#define SERIAL_FIFO_TX_SIZE 64
#define SERIAL_FIFO_RX_SIZE 64
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

This is the .C file

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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

I want to see the data being received on the UART RX buffer. How can I see that on the Debug window?

If I add the buffer variable to the watch window, I get 'symbol not found'.

I have verified that I am receiving data on the Serial Bus using Realterm on the PC.

Please help,

Thanks