Prusa-Firmware-MMU/src/logic/hw_sanity.cpp

180 lines
6.4 KiB
C++

/// @file hw_sanity.cpp
#include "hw_sanity.h"
#include "../modules/globals.h"
#include "../modules/motion.h"
#include "../modules/leds.h"
#include "../modules/timebase.h"
namespace logic {
// Copy-pasta from command_base, they're inline
// so this shouldn't affect code size.
inline ErrorCode &operator|=(ErrorCode &a, ErrorCode b) {
return a = (ErrorCode)((uint16_t)a | (uint16_t)b);
}
using Axis = config::Axis;
using TMC2130 = hal::tmc2130::TMC2130;
static constexpr uint8_t LED_WAIT_MS = 50U;
static constexpr uint8_t TEST_PASSES = 3U;
static_assert(TEST_PASSES < 32); // Would overflow counters
HWSanity hwSanity;
bool HWSanity::Reset(uint8_t param) {
state = ProgressCode::HWTestBegin;
error = ErrorCode::RUNNING;
axis = config::Axis::Idler;
fault_masks[0] = 0;
fault_masks[1] = 0;
fault_masks[2] = 0;
return true;
}
enum pin_bits {
BIT_STEP = 0b001,
BIT_DIR = 0b010,
BIT_ENA = 0b100,
};
void HWSanity::SetFaultDisplay(uint8_t slot, uint8_t mask) {
ml::Mode red_mode = ml::off, green_mode = ml::off;
if (mask & BIT_STEP) {
green_mode = ml::on;
}
if (mask & BIT_DIR) {
red_mode = ml::on;
}
if (mask & BIT_ENA) {
green_mode = green_mode ? ml::blink0 : ml::on;
red_mode = red_mode ? ml::blink0 : ml::on;
}
ml::leds.SetMode(slot, ml::green, green_mode);
ml::leds.SetMode(slot, ml::red, red_mode);
}
void HWSanity::PrepareAxis(config::Axis axis) {
mm::motion.InitAxis(axis);
mm::motion.SetMode(axis, mm::Normal);
// Clear TOFF so the motors don't actually step during the test.
mm::motion.MMU_NEEDS_ATTENTION_DriverForAxis(axis).SetBridgeOutput(mm::axisParams[axis].params, false);
}
bool HWSanity::StepInner() {
switch (state) {
case ProgressCode::HWTestBegin:
error = ErrorCode::RUNNING;
test_step = 0;
state = ProgressCode::HWTestIdler;
break;
case ProgressCode::HWTestIdler:
axis = config::Axis::Idler;
ml::leds.SetPairButOffOthers(3, ml::on, ml::off);
state = ProgressCode::HWTestExec;
next_state = ProgressCode::HWTestSelector;
PrepareAxis(axis);
break;
case ProgressCode::HWTestSelector:
axis = config::Axis::Selector;
ml::leds.SetPairButOffOthers(3, ml::off, ml::on);
state = ProgressCode::HWTestExec;
next_state = ProgressCode::HWTestPulley;
PrepareAxis(axis);
break;
case ProgressCode::HWTestPulley:
axis = config::Axis::Pulley;
ml::leds.SetPairButOffOthers(3, ml::on, ml::on);
state = ProgressCode::HWTestExec;
next_state = ProgressCode::HWTestCleanup;
PrepareAxis(axis);
break;
// The main test loop for a given axis.
case ProgressCode::HWTestDisplay:
// Hold for a few ms while we display the last step result.
if (!mt::timebase.Elapsed(wait_start, LED_WAIT_MS)) {
break;
} else {
state = ProgressCode::HWTestExec;
// display done, reset LEDs.
for (uint8_t i = 0; i < 6; i++) {
ml::leds.SetMode(i, ml::off);
}
}
[[fallthrough]];
case ProgressCode::HWTestExec: {
auto params = mm::axisParams[axis].params;
auto &driver = mm::motion.MMU_NEEDS_ATTENTION_DriverForAxis(axis);
if (test_step < (TEST_PASSES * 8)) // 8 combos per axis
{
uint8_t set_state = test_step % 8;
// The order of the bits here is roughly the same as that of IOIN.
driver.SetRawDir(params, set_state & BIT_DIR);
driver.SetStep(params, set_state & BIT_STEP);
driver.SetEnabled(params, set_state & BIT_ENA);
uint32_t drv_ioin = driver.ReadRegister(params, hal::tmc2130::TMC2130::Registers::IOIN);
// Compose IOIN to look like set_state.
drv_ioin = (drv_ioin & 0b11) | ((drv_ioin & 0b10000) ? 0 : 4); // Note the logic inversion for ENA readback!
uint8_t bit_errs = (drv_ioin ^ set_state);
// Set the LEDs. Note RED is index 0 in the enum, so we want the expression FALSE if there's an error.
ml::leds.SetMode(0, static_cast<ml::Color>((bit_errs & BIT_STEP) == 0), ml::on);
ml::leds.SetMode(1, static_cast<ml::Color>((bit_errs & BIT_DIR) == 0), ml::on);
ml::leds.SetMode(2, static_cast<ml::Color>((bit_errs & BIT_ENA) == 0), ml::on);
// Capture the error for later.
fault_masks[axis] |= bit_errs;
// Enter the wait state:
wait_start = mt::timebase.Millis();
das_blinken_state = das_blinken_state ? ml::off : ml::on;
ml::leds.SetMode(4, ml::green, das_blinken_state);
state = ProgressCode::HWTestDisplay;
// Next iteration.
test_step++;
} else {
// This pass is complete. Move on to the next motor or cleanup.
driver.SetEnabled(params, false);
driver.SetBridgeOutput(params, true);
test_step = 0;
state = next_state;
}
} break;
case ProgressCode::HWTestCleanup:
if (fault_masks[0] || fault_masks[1] || fault_masks[2]) {
// error, display it and return the code.
state = ProgressCode::ErrHwTestFailed;
error = ErrorCode::MMU_SOLDERING_NEEDS_ATTENTION;
uint8_t mask = fault_masks[Axis::Idler];
if (mask) {
error |= ErrorCode::TMC_IDLER_BIT;
SetFaultDisplay(0, mask);
}
mask = fault_masks[Axis::Pulley];
if (mask) {
error |= ErrorCode::TMC_PULLEY_BIT;
SetFaultDisplay(2, mask);
}
mask = fault_masks[Axis::Selector];
if (mask) {
error |= ErrorCode::TMC_SELECTOR_BIT;
SetFaultDisplay(1, mask);
}
ml::leds.SetMode(3, ml::red, ml::off);
ml::leds.SetMode(3, ml::green, ml::off);
ml::leds.SetMode(4, ml::red, ml::on);
ml::leds.SetMode(4, ml::green, ml::off);
return true;
} else {
ml::leds.SetPairButOffOthers(0, ml::off, ml::off);
FinishedOK();
}
case ProgressCode::OK:
return true;
default: // we got into an unhandled state, better report it
state = ProgressCode::ERRInternal;
error = ErrorCode::INTERNAL;
return true;
}
return false;
}
} // namespace logic