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Use FSM to manage device state in main loop

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linuswck 2024-03-04 11:08:26 +08:00
parent 3aca712e1d
commit df939eb9a3
1 changed files with 86 additions and 65 deletions
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151
src/main.rs
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@ -35,6 +35,15 @@ pub struct DeviceSettings{
report_readings: bool,
}
#[derive(Default)]
enum State {
#[default]
LoadFlashSettings,
MainLoop,
SaveFlashSettings,
HardReset,
}
#[cfg(not(test))]
#[entry]
fn main() -> ! {
@ -84,85 +93,97 @@ fn main() -> ! {
report_readings: false,
};
let mut state = State::default();
loop {
wd.feed();
if !should_reset {
let mut eth_is_pending = false;
let mut has_temp_reading = false;
laser.poll_and_update_output_current();
if thermostat.poll_adc() {
has_temp_reading = true;
thermostat.update_pid();
if thermostat.get_temp_mon_status().over_temp_alarm {
laser.power_down();
thermostat.set_pid_engaged(false);
thermostat.power_down();
match state {
State::LoadFlashSettings => {
wd.feed();
// Todo
// State Transition
state = State::MainLoop;
}
State::MainLoop => {
let mut eth_is_pending = false;
let mut has_temp_reading = false;
laser.poll_and_update_output_current();
if thermostat.poll_adc() {
has_temp_reading = true;
thermostat.update_pid();
if thermostat.get_temp_mon_status().over_temp_alarm {
laser.power_down();
thermostat.set_pid_engaged(false);
thermostat.power_down();
}
if net::net::eth_is_socket_active() {
if device_settings.report_readings {
unsafe {
net::cmd_handler::send_status_report(&mut ETH_DATA_BUFFER, &mut laser, &mut thermostat);
}
}
}
}
// info!("curr_dac_vfb: {:?}", volt_fmt.with(thermostat.get_dac_vfb()));
// info!("curr_vref: {:?}", volt_fmt.with(thermostat.get_vref()));
// info!("curr_tec_i: {:?}", amp_fmt.with(thermostat.get_tec_i()));
// info!("curr_tec_v: {:?}", volt_fmt.with(thermostat.get_tec_v()));
// info!("curr_ld_drive_cuurent: {:?}", milli_amp_fmt.with(laser.get_ld_drive_current()));
// info!("pd_mon_v: {:?}", volt_fmt.with(laser.pd_mon_status().v));
// info!("power_excursion: {:?}", laser.pd_mon_status().pwr_excursion);
// info!("Termination Status: {:?}", laser.get_term_status());
if net::net::eth_is_socket_active() {
if device_settings.report_readings {
unsafe {
net::cmd_handler::send_status_report(&mut ETH_DATA_BUFFER, &mut laser, &mut thermostat);
cortex_m::interrupt::free(|cs|
{
eth_is_pending = net::net::is_pending(cs);
}
);
if eth_is_pending {
unsafe{
cortex_m::interrupt::free(|cs| {
net::net::clear_pending(cs);
});
let bytes = net::net::eth_recv(&mut ETH_DATA_BUFFER);
if bytes != 0 {
info!("Ts: {:?}", sys_timer::now());
debug!("Number of bytes recv: {:?}", bytes);
(laser, thermostat, should_reset, device_settings) = net::cmd_handler::execute_cmd(&mut ETH_DATA_BUFFER, bytes, laser, thermostat, device_settings);
}
}
}
}
}
if net::net::eth_is_socket_active() {
cortex_m::interrupt::free(|cs|
{
eth_is_pending = net::net::is_pending(cs);
}
);
if eth_is_pending {
unsafe{
cortex_m::interrupt::free(|cs| {
net::net::clear_pending(cs);
});
let bytes = net::net::eth_recv(&mut ETH_DATA_BUFFER);
if bytes != 0 {
info!("Ts: {:?}", sys_timer::now());
debug!("Number of bytes recv: {:?}", bytes);
(laser, thermostat, should_reset, device_settings) = net::cmd_handler::execute_cmd(&mut ETH_DATA_BUFFER, bytes, laser, thermostat, device_settings);
}
if has_temp_reading {
thermostat.start_tec_readings_conversion();
}
}
if has_temp_reading {
thermostat.start_tec_readings_conversion();
else {
device_settings.report_readings = false;
}
// State Transition
if should_reset {
state = State::HardReset;
}
}
else {
device_settings.report_readings = false;
State::SaveFlashSettings => {
wd.feed();
// Todo
// State Transition
state = State::MainLoop;
}
} else {
// Should reset, close all TCP sockets.
let mut any_socket_alive = false;
if net::net::eth_is_socket_active() {
net::net::eth_close_socket();
any_socket_alive = true;
State::HardReset => {
wd.feed();
laser.power_down();
thermostat.power_down();
let mut any_socket_alive = false;
if net::net::eth_is_socket_active() {
net::net::eth_close_socket();
any_socket_alive = true;
}
// Must let loop run for one more cycle to poll server for RST to be sent,
// this makes sure system does not reset right after socket.abort() is called.
if !any_socket_alive {
SCB::sys_reset();
}
}
// Must let loop run for one more cycle to poll server for RST to be sent,
// this makes sure system does not reset right after socket.abort() is called.
if !any_socket_alive {
SCB::sys_reset();
}
}
}
}