/**
* @brief Handle when new data received by UART
*
* @param esp_dte ESP32 Modem DTE object
*/
static void esp_handle_uart_data(esp_modem_dte_t *esp_dte)
{
size_t length = 0;
uart_get_buffered_data_len(esp_dte->uart_port, &length);
length = MIN(ESP_MODEM_LINE_BUFFER_SIZE, length);
length = uart_read_bytes(esp_dte->uart_port, esp_dte->buffer, length, portMAX_DELAY);
/* pass input data to the lwIP core thread */
if (length) {
pppos_input_tcpip(esp_dte->ppp, esp_dte->buffer, length);
}
}
static void pppos_client_task(void *self_in) {
ppp_if_obj_t *self = (ppp_if_obj_t*)self_in;
uint8_t buf[256];
while (ulTaskNotifyTake(pdTRUE, 0) == 0) {
int err;
int len = mp_stream_rw(self->stream, buf, sizeof(buf), &err, 0);
if (len > 0) {
pppos_input_tcpip(self->pcb, (u8_t*)buf, len);
}
}
self->client_task_handle = NULL;
vTaskDelete(NULL);
}
static void
pppos_rx_thread(void *arg)
{
u32_t len;
u8_t buffer[128];
LWIP_UNUSED_ARG(arg);
/* Please read the "PPPoS input path" chapter in the PPP documentation. */
while (1) {
len = sio_read(ppp_sio, buffer, sizeof(buffer));
if (len > 0) {
/* Pass received raw characters from PPPoS to be decoded through lwIP
* TCPIP thread using the TCPIP API. This is thread safe in all cases
* but you should avoid passing data byte after byte. */
pppos_input_tcpip(ppp, buffer, len);
}
}
}