Files
allwpilib/hal/src/main/native/sim/AddressableLED.cpp
2025-11-07 23:09:21 -08:00

122 lines
4.0 KiB
C++

// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
#include "wpi/hal/AddressableLED.h"
#include <fmt/format.h>
#include "DigitalInternal.h"
#include "HALInitializer.h"
#include "HALInternal.h"
#include "PortsInternal.h"
#include "mockdata/AddressableLEDDataInternal.h"
#include "wpi/hal/Errors.h"
#include "wpi/hal/handles/HandlesInternal.h"
#include "wpi/hal/handles/IndexedHandleResource.h"
using namespace wpi::hal;
namespace wpi::hal::init {
void InitializeAddressableLED() {}
} // namespace wpi::hal::init
extern "C" {
HAL_AddressableLEDHandle HAL_InitializeAddressableLED(
int32_t channel, const char* allocationLocation, int32_t* status) {
wpi::hal::init::CheckInit();
if (channel < 0 || channel >= kNumAddressableLEDs) {
*status = RESOURCE_OUT_OF_RANGE;
wpi::hal::SetLastErrorIndexOutOfRange(status,
"Invalid Index for AddressableLED", 0,
kNumAddressableLEDs, channel);
return HAL_kInvalidHandle;
}
HAL_DigitalHandle handle;
auto port = digitalChannelHandles->Allocate(
channel, HAL_HandleEnum::AddressableLED, &handle, status);
if (*status != 0) {
if (port) {
wpi::hal::SetLastErrorPreviouslyAllocated(status, "PWM or DIO", channel,
port->previousAllocation);
} else {
wpi::hal::SetLastErrorIndexOutOfRange(status,
"Invalid Index for AddressableLED",
0, kNumAddressableLEDs, channel);
}
return HAL_kInvalidHandle; // failed to allocate. Pass error back.
}
port->channel = static_cast<uint8_t>(channel);
SimAddressableLEDData[channel].start = 0;
SimAddressableLEDData[channel].length = 0;
SimAddressableLEDData[channel].initialized = true;
port->previousAllocation = allocationLocation ? allocationLocation : "";
return handle;
}
void HAL_FreeAddressableLED(HAL_AddressableLEDHandle handle) {
auto port =
digitalChannelHandles->Get(handle, HAL_HandleEnum::AddressableLED);
// no status, so no need to check for a proper free.
digitalChannelHandles->Free(handle, HAL_HandleEnum::AddressableLED);
if (port == nullptr) {
return;
}
SimAddressableLEDData[port->channel].initialized = false;
}
void HAL_SetAddressableLEDStart(HAL_AddressableLEDHandle handle, int32_t start,
int32_t* status) {
auto port =
digitalChannelHandles->Get(handle, HAL_HandleEnum::AddressableLED);
if (!port) {
*status = HAL_HANDLE_ERROR;
return;
}
if (start > HAL_kAddressableLEDMaxLength || start < 0) {
*status = PARAMETER_OUT_OF_RANGE;
wpi::hal::SetLastError(
status,
fmt::format(
"LED start must be less than or equal to {}. {} was requested",
HAL_kAddressableLEDMaxLength, start));
return;
}
SimAddressableLEDData[port->channel].start = start;
}
void HAL_SetAddressableLEDLength(HAL_AddressableLEDHandle handle,
int32_t length, int32_t* status) {
auto port =
digitalChannelHandles->Get(handle, HAL_HandleEnum::AddressableLED);
if (!port) {
*status = HAL_HANDLE_ERROR;
return;
}
if (length > HAL_kAddressableLEDMaxLength || length < 0) {
*status = PARAMETER_OUT_OF_RANGE;
wpi::hal::SetLastError(
status,
fmt::format(
"LED length must be less than or equal to {}. {} was requested",
HAL_kAddressableLEDMaxLength, length));
return;
}
SimAddressableLEDData[port->channel].length = length;
}
void HAL_SetAddressableLEDData(int32_t start, int32_t length,
HAL_AddressableLEDColorOrder colorOrder,
const struct HAL_AddressableLEDData* data,
int32_t* status) {
SimAddressableLEDDataBuffer->SetData(start, length, data);
}
} // extern "C"