changes to communication
Fork of XBeeLib by
XBee/AtCommands.cpp
- Committer:
- spastor
- Date:
- 2015-06-01
- Revision:
- 4:629712865107
- Parent:
- 0:fcaad0dfa051
File content as of revision 4:629712865107:
/** * Copyright (c) 2015 Digi International Inc., * All rights not expressly granted are reserved. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this file, * You can obtain one at http://mozilla.org/MPL/2.0/. * * Digi International Inc. 11001 Bren Road East, Minnetonka, MN 55343 * ======================================================================= */ #include "XBeeLib.h" #define GET_CMD_RESP(fr, radio_location) (radio_location == RadioRemote ? fr->get_data_at(REM_AT_CMD_RESP_STATUS_OFFSET) \ : fr->get_data_at(ATCMD_RESP_STATUS_OFFSET)) #define GET_DATA_LEN(fr, radio_location) (radio_location == RadioRemote ? (fr->get_data_len() - REM_AT_CMD_RESP_OVERHEAD) \ : (fr->get_data_len() - ATCMD_RESP_OVERHEAD)) #define GET_DATA_OFF(radio_location) (radio_location == RadioRemote ? REM_AT_CMD_RESP_CMD_DATA_OFFSET \ : ATCMD_RESP_DATA_OFFSET) using namespace XBeeLib; /** Method that sends an AT command to the module and waits for the command response. * @returns the AT command response */ AtCmdFrame::AtCmdResp XBee::send_at_cmd(AtCmdFrame *frame, uint8_t *const buf, uint16_t *const len, RadioLocation radio_location, bool reverse) { AtCmdFrame::AtCmdResp resp = AtCmdFrame::AtCmdRespTimeout; ApiFrame *resp_frame; ApiFrame::ApiFrameType expected_type = (frame->get_frame_type() == ApiFrame::AtCmd) ? ApiFrame::AtCmdResp : ApiFrame::RemoteCmdResp; send_api_frame(frame); /* Wait for the AT command response packet */ resp_frame = get_this_api_frame(frame->get_frame_id(), expected_type); if (resp_frame == NULL) { return resp; } resp = (AtCmdFrame::AtCmdResp)GET_CMD_RESP(resp_frame, radio_location); if (resp == AtCmdFrame::AtCmdRespOk) { if (buf != NULL && len != NULL) { /* Copy the command response data */ uint16_t new_len = GET_DATA_LEN(resp_frame, radio_location); *len = (*len < new_len) ? *len : new_len; /* rmemcpy makes the endian change */ if (reverse) { rmemcpy(buf, resp_frame->get_data() + GET_DATA_OFF(radio_location), *len); } else { memcpy(buf, resp_frame->get_data() + GET_DATA_OFF(radio_location), *len); } } } else { digi_log(LogLevelWarning, "send_at_cmd bad response: 0x%x\r\n", resp); } /* Once processed, remove the frame from the buffer */ _framebuf_syncr.free_frame(resp_frame); return resp; } /** Method that sends an AT command to the module and waits for the command response. * @returns the AT command response */ AtCmdFrame::AtCmdResp XBee::send_at_cmd(AtCmdFrame *frame) { return send_at_cmd(frame, NULL, NULL); } AtCmdFrame::AtCmdResp XBee::send_at_cmd(AtCmdFrame *frame, uint8_t *data) { uint16_t len = sizeof *data; AtCmdFrame::AtCmdResp atCmdResponse = send_at_cmd(frame, data, &len); if (atCmdResponse == AtCmdFrame::AtCmdRespOk && len != sizeof *data) { atCmdResponse = AtCmdFrame::AtCmdRespLenMismatch; } return atCmdResponse; } AtCmdFrame::AtCmdResp XBee::send_at_cmd(AtCmdFrame *frame, uint16_t *data) { uint16_t len = sizeof *data; AtCmdFrame::AtCmdResp atCmdResponse = send_at_cmd(frame, (uint8_t *)data, &len); if (atCmdResponse == AtCmdFrame::AtCmdRespOk && len != sizeof *data) { atCmdResponse = AtCmdFrame::AtCmdRespLenMismatch; } return atCmdResponse; } AtCmdFrame::AtCmdResp XBee::send_at_cmd(AtCmdFrame *frame, uint32_t *data) { uint16_t len = sizeof *data; AtCmdFrame::AtCmdResp atCmdResponse = send_at_cmd(frame, (uint8_t *)data, &len); if (atCmdResponse == AtCmdFrame::AtCmdRespOk && len != sizeof *data) { atCmdResponse = AtCmdFrame::AtCmdRespLenMismatch; } return atCmdResponse; } AtCmdFrame::AtCmdResp XBee::get_param(const char * const param, uint32_t * const data) { uint16_t len = sizeof *data; AtCmdFrame cmd_frame = AtCmdFrame(param); *data = 0; /* Set to zero, send_at_cmd() only writes the necessary bytes, so if only 1 is written all the remaining 3 should be 0. */ AtCmdFrame::AtCmdResp atCmdResponse = send_at_cmd(&cmd_frame, (uint8_t *)data, &len); if (atCmdResponse == AtCmdFrame::AtCmdRespOk && len > sizeof *data) { atCmdResponse = AtCmdFrame::AtCmdRespLenMismatch; } return atCmdResponse; } AtCmdFrame::AtCmdResp XBee::set_param(const char * const param, uint32_t data) { AtCmdFrame cmd_frame = AtCmdFrame(param, data); return send_at_cmd(&cmd_frame, NULL, NULL); } AtCmdFrame::AtCmdResp XBee::set_param(const char * const param, const uint8_t * data, uint16_t len) { AtCmdFrame cmd_frame = AtCmdFrame(param, data, len); return send_at_cmd(&cmd_frame, NULL, NULL); } AtCmdFrame::AtCmdResp XBee::get_param(const char * const param, uint8_t * const data, uint16_t * const len) { AtCmdFrame cmd_frame = AtCmdFrame(param); return send_at_cmd(&cmd_frame, data, len, RadioLocal, false); }