uint8_t transmit_header() {
uint8_t header[] = "L00THSxxxxxxt00000000000000X";
// Set up header
write_2_bytes_to_string(&header[HEADER_LENGTH_PTR], HEADER_LENGTH);
memcpy(&header[HEADER_SERIAL_PTR], SERIAL_NUMBER, HEADER_SERIAL_LENGTH);
reset_ack();
while(!have_ack()) {
write_time_to_string(&header[HEADER_TIME_PTR], global_time());
uart_send_array((uint8_t *)header, HEADER_LENGTH);
wait_for(&have_ack, 500);
}
return SUCCESS;
}
uint8_t transmit_data() {
if(!have_data_to_transmit()) {
return SUCCESS;
}
if(hold_transmit_flag) return SUCCESS;
reset_ack();
uint16_t end_ptr = write_index;
while (have_data_to_transmit()) {
uart_send_array(&output_buffer[read_index], end_ptr-read_index);
if(wait_for(&have_ack, 500)) {
read_index = end_ptr;
}
else {
return FAILURE;
}
end_ptr = write_index;
}
reset_output_buffer();
return SUCCESS;
}
/**
* reset shutdown ack flag for all connected clients
*
* @param [in,out] h list of clients
*
* @return E_ERR_SUCCESS if successful
*/
e_mmgr_errors_t clients_reset_ack_shtdwn(clients_hdle_t *h)
{
return reset_ack(h, E_CNX_MODEM_SHUTDOWN);
}
/**
* reset cold ack flag for all connected clients
*
* @param [in,out] h list of clients
*
* @return E_ERR_SUCCESS if successful
*/
e_mmgr_errors_t clients_reset_ack_cold(clients_hdle_t *h)
{
return reset_ack(h, E_CNX_COLD_RESET);
}
