ardupilot/ArduPlane/commands_process.pde

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/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
// For changing active command mid-mission
//----------------------------------------
void change_command(uint8_t cmd_index)
{
struct Location temp;
if (cmd_index == 0) {
init_commands();
gcs_send_text_fmt(PSTR("Received Request - reset mission"));
return;
}
temp = get_cmd_with_index(cmd_index);
if (temp.id > MAV_CMD_NAV_LAST ) {
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gcs_send_text_fmt(PSTR("Cannot change to non-Nav cmd %u"), (unsigned)cmd_index);
} else {
gcs_send_text_fmt(PSTR("Received Request - jump to command #%i"),cmd_index);
nav_command_ID = NO_COMMAND;
next_nav_command.id = NO_COMMAND;
non_nav_command_ID = NO_COMMAND;
/*
if we are in AUTO then we need to set the nav_command_index
to one less than the requested index as
process_next_command() will increment the index before using
it. If not in AUTO then we just set the index as give.
Thanks to Michael Day for finding this!
*/
if (control_mode == AUTO) {
nav_command_index = cmd_index - 1;
} else {
nav_command_index = cmd_index;
}
g.command_index.set_and_save(cmd_index);
update_commands();
}
}
// called by 10 Hz loop
// --------------------
static void update_commands(void)
{
if(control_mode == AUTO) {
if(home_is_set == true && g.command_total > 1) {
process_next_command();
}
}
}
static void verify_commands(void)
{
if(verify_nav_command()) {
nav_command_ID = NO_COMMAND;
}
if(verify_condition_command()) {
non_nav_command_ID = NO_COMMAND;
}
}
static void process_next_command()
{
// This function makes sure that we always have a current navigation command
// and loads conditional or immediate commands if applicable
struct Location temp;
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uint8_t old_index = nav_command_index;
// these are Navigation/Must commands
// ---------------------------------
if (nav_command_ID == NO_COMMAND) { // no current navigation command loaded
temp.id = MAV_CMD_NAV_LAST;
while(temp.id >= MAV_CMD_NAV_LAST && nav_command_index <= g.command_total) {
nav_command_index++;
temp = get_cmd_with_index(nav_command_index);
}
gcs_send_text_fmt(PSTR("Nav command index updated to #%i"),nav_command_index);
if(nav_command_index > g.command_total) {
// we are out of commands!
gcs_send_text_P(SEVERITY_LOW,PSTR("out of commands!"));
handle_no_commands();
} else {
next_nav_command = temp;
nav_command_ID = next_nav_command.id;
non_nav_command_index = NO_COMMAND; // This will cause the next intervening non-nav command (if any) to be loaded
non_nav_command_ID = NO_COMMAND;
if (should_log(MASK_LOG_CMD)) {
Log_Write_Cmd(g.command_index, &next_nav_command);
}
handle_process_nav_cmd();
}
}
// these are Condition/May and Do/Now commands
// -------------------------------------------
if (non_nav_command_index == NO_COMMAND) { // If the index is NO_COMMAND then we have just loaded a nav command
non_nav_command_index = old_index + 1;
//gcs_send_text_fmt(PSTR("Non-Nav command index #%i"),non_nav_command_index);
} else if (non_nav_command_ID == NO_COMMAND) { // If the ID is NO_COMMAND then we have just completed a non-nav command
non_nav_command_index++;
}
//gcs_send_text_fmt(PSTR("Nav command index #%i"),nav_command_index);
//gcs_send_text_fmt(PSTR("Non-Nav command index #%i"),non_nav_command_index);
//gcs_send_text_fmt(PSTR("Non-Nav command ID #%i"),non_nav_command_ID);
if (nav_command_index <= (int)g.command_total && non_nav_command_ID == NO_COMMAND) {
temp = get_cmd_with_index(non_nav_command_index);
if (temp.id <= MAV_CMD_NAV_LAST) {
// The next command is a nav command. No non-nav commands to do
g.command_index.set_and_save(nav_command_index);
non_nav_command_index = nav_command_index;
non_nav_command_ID = WAIT_COMMAND;
gcs_send_text_fmt(PSTR("Non-Nav command ID updated to #%i idx=%u"),
(unsigned)non_nav_command_ID,
(unsigned)non_nav_command_index);
} else {
// The next command is a non-nav command. Prepare to execute it.
g.command_index.set_and_save(non_nav_command_index);
next_nonnav_command = temp;
non_nav_command_ID = next_nonnav_command.id;
gcs_send_text_fmt(PSTR("(2) Non-Nav command ID updated to #%i idx=%u"),
(unsigned)non_nav_command_ID, (unsigned)non_nav_command_index);
if (should_log(MASK_LOG_CMD)) {
Log_Write_Cmd(g.command_index, &next_nonnav_command);
}
process_non_nav_command();
}
}
}
static void process_non_nav_command()
{
//gcs_send_text_P(SEVERITY_LOW,PSTR("new non-nav command loaded"));
if(non_nav_command_ID < MAV_CMD_CONDITION_LAST) {
handle_process_condition_command();
} else {
handle_process_do_command();
// flag command ID so a new one is loaded
// -----------------------------------------
if (non_nav_command_ID != WAIT_COMMAND) {
non_nav_command_ID = NO_COMMAND;
}
}
}