int mavlink_pm_queued_send()
{
if (mavlink_param_queue_index < param_count()) {
mavlink_pm_send_param(param_for_index(mavlink_param_queue_index));
mavlink_param_queue_index++;
return 0;
} else {
return 1;
}
}
void mavlink_pm_callback(void *arg, param_t param)
{
mavlink_pm_send_param(param);
usleep(*(unsigned int*)arg);
}
void mavlink_pm_message_handler(const mavlink_channel_t chan, const mavlink_message_t *msg)
{
switch (msg->msgid) {
case MAVLINK_MSG_ID_PARAM_REQUEST_LIST: {
/* Start sending parameters */
mavlink_pm_start_queued_send();
mavlink_missionlib_send_gcs_string("[mavlink pm] sending list");
} break;
case MAVLINK_MSG_ID_PARAM_SET: {
/* Handle parameter setting */
if (msg->msgid == MAVLINK_MSG_ID_PARAM_SET) {
mavlink_param_set_t mavlink_param_set;
mavlink_msg_param_set_decode(msg, &mavlink_param_set);
if (mavlink_param_set.target_system == mavlink_system.sysid && ((mavlink_param_set.target_component == mavlink_system.compid) || (mavlink_param_set.target_component == MAV_COMP_ID_ALL))) {
/* local name buffer to enforce null-terminated string */
char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN+1];
strncpy(name, mavlink_param_set.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
/* enforce null termination */
name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';
/* attempt to find parameter, set and send it */
param_t param = param_find(name);
if (param == PARAM_INVALID) {
char buf[MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN];
sprintf(buf, "[mavlink pm] unknown: %s", name);
mavlink_missionlib_send_gcs_string(buf);
} else {
/* set and send parameter */
param_set(param, &(mavlink_param_set.param_value));
mavlink_pm_send_param(param);
}
}
}
} break;
case MAVLINK_MSG_ID_PARAM_REQUEST_READ: {
mavlink_param_request_read_t mavlink_param_request_read;
mavlink_msg_param_request_read_decode(msg, &mavlink_param_request_read);
if (mavlink_param_request_read.target_system == mavlink_system.sysid && ((mavlink_param_request_read.target_component == mavlink_system.compid) || (mavlink_param_request_read.target_component == MAV_COMP_ID_ALL))) {
/* when no index is given, loop through string ids and compare them */
if (mavlink_param_request_read.param_index == -1) {
/* local name buffer to enforce null-terminated string */
char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN+1];
strncpy(name, mavlink_param_request_read.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
/* enforce null termination */
name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';
/* attempt to find parameter and send it */
mavlink_pm_send_param_for_name(name);
} else {
/* when index is >= 0, send this parameter again */
mavlink_pm_send_param_for_index(mavlink_param_request_read.param_index);
}
}
} break;
case MAVLINK_MSG_ID_COMMAND_LONG: {
mavlink_command_long_t cmd_mavlink;
mavlink_msg_command_long_decode(msg, &cmd_mavlink);
uint8_t result = MAV_RESULT_UNSUPPORTED;
if (cmd_mavlink.target_system == mavlink_system.sysid &&
((cmd_mavlink.target_component == mavlink_system.compid) ||(cmd_mavlink.target_component == MAV_COMP_ID_ALL))) {
/* preflight parameter load / store */
if (cmd_mavlink.command == MAV_CMD_PREFLIGHT_STORAGE) {
/* Read all parameters from EEPROM to RAM */
if (((int)(cmd_mavlink.param1)) == 0) {
/* read all parameters from EEPROM to RAM */
int read_ret = mavlink_pm_load_eeprom();
if (read_ret == OK) {
//printf("[mavlink pm] Loaded EEPROM params in RAM\n");
mavlink_missionlib_send_gcs_string("[mavlink pm] OK loaded EEPROM params");
result = MAV_RESULT_ACCEPTED;
} else if (read_ret == 1) {
mavlink_missionlib_send_gcs_string("[mavlink pm] No stored parameters to load");
result = MAV_RESULT_ACCEPTED;
} else {
if (read_ret < -1) {
mavlink_missionlib_send_gcs_string("[mavlink pm] ERR loading params from EEPROM");
} else {
mavlink_missionlib_send_gcs_string("[mavlink pm] ERR loading params, no EEPROM found");
}
result = MAV_RESULT_FAILED;
}
} else if (((int)(cmd_mavlink.param1)) == 1) {
/* write all parameters from RAM to EEPROM */
int write_ret = mavlink_pm_save_eeprom();
if (write_ret == OK) {
mavlink_missionlib_send_gcs_string("[mavlink pm] OK params written to EEPROM");
result = MAV_RESULT_ACCEPTED;
} else {
if (write_ret < -1) {
mavlink_missionlib_send_gcs_string("[mavlink pm] ERR writing params to EEPROM");
} else {
mavlink_missionlib_send_gcs_string("[mavlink pm] ERR writing params, no EEPROM found");
}
result = MAV_RESULT_FAILED;
}
} else {
//fprintf(stderr, "[mavlink pm] refusing unsupported storage request\n");
mavlink_missionlib_send_gcs_string("[mavlink pm] refusing unsupported STOR request");
result = MAV_RESULT_UNSUPPORTED;
}
}
}
/* send back command result */
//mavlink_msg_command_ack_send(chan, cmd.command, result);
} break;
}
}
int mavlink_pm_send_param_for_name(const char* name)
{
return mavlink_pm_send_param(param_find(name));
}
int mavlink_pm_send_param_for_index(uint16_t index)
{
return mavlink_pm_send_param(param_for_index(index));
}
void Mavlink::mavlink_pm_message_handler(const mavlink_channel_t chan, const mavlink_message_t *msg)
{
switch (msg->msgid) {
case MAVLINK_MSG_ID_PARAM_REQUEST_LIST: {
mavlink_param_request_list_t req;
mavlink_msg_param_request_list_decode(msg, &req);
if (req.target_system == mavlink_system.sysid &&
(req.target_component == mavlink_system.compid || req.target_component == MAV_COMP_ID_ALL)) {
/* Start sending parameters */
mavlink_pm_start_queued_send();
send_statustext_info("[pm] sending list");
}
} break;
case MAVLINK_MSG_ID_PARAM_SET: {
/* Handle parameter setting */
if (msg->msgid == MAVLINK_MSG_ID_PARAM_SET) {
mavlink_param_set_t mavlink_param_set;
mavlink_msg_param_set_decode(msg, &mavlink_param_set);
if (mavlink_param_set.target_system == mavlink_system.sysid
&& ((mavlink_param_set.target_component == mavlink_system.compid)
|| (mavlink_param_set.target_component == MAV_COMP_ID_ALL))) {
/* local name buffer to enforce null-terminated string */
char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1];
strncpy(name, mavlink_param_set.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
/* enforce null termination */
name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';
/* attempt to find parameter, set and send it */
param_t param = param_find(name);
if (param == PARAM_INVALID) {
char buf[MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN];
sprintf(buf, "[pm] unknown: %s", name);
send_statustext_info(buf);
} else {
/* set and send parameter */
param_set(param, &(mavlink_param_set.param_value));
mavlink_pm_send_param(param);
}
}
}
} break;
case MAVLINK_MSG_ID_PARAM_REQUEST_READ: {
mavlink_param_request_read_t mavlink_param_request_read;
mavlink_msg_param_request_read_decode(msg, &mavlink_param_request_read);
if (mavlink_param_request_read.target_system == mavlink_system.sysid
&& ((mavlink_param_request_read.target_component == mavlink_system.compid)
|| (mavlink_param_request_read.target_component == MAV_COMP_ID_ALL))) {
/* when no index is given, loop through string ids and compare them */
if (mavlink_param_request_read.param_index == -1) {
/* local name buffer to enforce null-terminated string */
char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1];
strncpy(name, mavlink_param_request_read.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
/* enforce null termination */
name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';
/* attempt to find parameter and send it */
mavlink_pm_send_param_for_name(name);
} else {
/* when index is >= 0, send this parameter again */
mavlink_pm_send_param_for_index(mavlink_param_request_read.param_index);
}
}
} break;
}
}