I am using NRF52833 in my project and I have my NRF module connected to 2 other microcontrollers on UART peripherals. The details are mentioned as below:-
1) NRF52833 connected to MCU A- NORMAL UART
RX pin of nrf- P0.29
TX pin of nrf- P0.28
2) NRF52833 connected to MCU B -- LIBUARTE
RX pin of nrf- P0.30
TX pin of nrf- P0.31.
I have successfully configured connection to MCU and I am able to transmit data from NRF to MCU A and receive data on NRF from MCU A.
I have also successfully configured connection to MCU and I am able to transmit data from NRF to MCU B and receive data on NRF from MCU B. The problem with LIBUARTE here is that I want to transmit an array of hex data.
char array3[5] = { 0x73, 0x01, 0x0a, 0x0d};
void send_data(void)
{
ret_code_t err_code;
err_code = nrf_libuarte_async_tx(&libuarte, (uint8_t *)array3, sizeof(array3));
APP_ERROR_CHECK(err_code);
vTaskDelay(5000);
}
char *string2;
static uint8_t buffer[256];
void libuart_event_handler(void *context, nrf_libuarte_async_evt_t *p_evt) {
static uint8_t index;
char *str;
nrf_libuarte_async_t *p_libuarte = (nrf_libuarte_async_t *)context;
ret_code_t ret;
switch (p_evt->type) {
case NRF_LIBUARTE_ASYNC_EVT_ERROR: {
NRF_LOG_ERROR("LIBUARTE ERROR");
break;
}
case NRF_LIBUARTE_ASYNC_EVT_RX_DATA: {
// Receive complete
memset(buffer,'0',sizeof(buffer));
memcpy(buffer, p_evt->data.rxtx.p_data, p_evt->data.rxtx.length);
int data_length = p_evt->data.rxtx.length;
str = malloc(strlen(buffer) + 1);
strcpy(str,buffer);
NRF_LOG_INFO("%s",str);
nrf_libuarte_async_rx_free(p_libuarte, p_evt->data.rxtx.p_data, p_evt->data.rxtx.length);
break;
}
case NRF_LIBUARTE_ASYNC_EVT_TX_DONE: {
// Transmit complete
break;
}
}
}
I am able to transmit only 1st byte 0x73. Libuarte doesn't send the rest bytes. What might be the issue? Is something wrong with my code?
Thanks & Regards,
Snehal.
