RE: Reading UART input in CLI command

Henry_Chou — Fri, 20 Nov 2020 00:48:09 GMT

You the uart handle to get the RX data is the best way in your case.

Like this

void uart_event_handle(app_uart_evt_t * p_event)
{
static uint8_t data_array[256];
static uint8_t index = 0;

switch (p_event->evt_type)
{
/**@snippet [Handling data from UART] */
case APP_UART_DATA_READY:
//UNUSED_VARIABLE(app_uart_get(&data_array[index]));
app_uart_get(&data_array[index]);
index++;

if ((data_array[index - 1] ==ASCII_FOR_CTRL_C)|| (index >=255))
{
data_array[index]=0;
index = 0;
memcpy(uart_rx_buff,data_array,sizeof(data_array));

uart_state.rx_finsh=set;
}
break;
/**@snippet [Handling data from UART] */
case APP_UART_COMMUNICATION_ERROR:
APP_ERROR_HANDLER(p_event->data.error_communication);
break;

case APP_UART_FIFO_ERROR:
APP_ERROR_HANDLER(p_event->data.error_code);
break;

default:
break;
}
}

Your sensor handle code:

static void sensor_printout_cmd(nrf_cli_t const* p_cli, size_t argc, char** argv)

{

while(!uart_state.rx_finsh) /* rx is from UART, check here if byte read is CTRL+C */

{

uint8_t buf[3];

read_from_sensor(buf);

nrf_cli_fprintf(...); /* print sensor readings */

/*do something if you want to handle data_array[index] */

}

Do the rx_finish job with uart_rx_buff here