SPS_Device uart receive issue

I am using DA1458x_DSPS version 5.150.2
I want to send the received data through UART. In sps_device code uart_rx_callback() is used to receive the data from the uart.

If data is received from Commix via uart ,uart_rx_callback function will call user_periph_push() which writs the data to the buffer. In user_periph_push function i am using user_ble_push to display it in the uart but i am not getting the received value.
static void user_periph_push(uint8_t** wrdata, uint16_t write_amount)
{
bool send_flow_off = false;

//write items to buffer
user_buffer_cfm_write (&periph_to_ble_buffer写_amount);
if (user_buffer_write_check(&periph_to_ble_buffer, wrdata, RX_CALLBACK_SIZE) != RX_CALLBACK_SIZE)
{
ASSERT_WARNING(0);
}
user_ble_push((uint8_t*)wrdata,10);
send_flow_off = user_check_buffer_almost_full(&periph_to_ble_buffer);

if(send_flow_off)
{
uart_sps_flow_off(true);
}
}