Squashed 'third_party/allwpilib_2019/' content from commit bd05dfa1c
Change-Id: I2b1c2250cdb9b055133780c33593292098c375b7
git-subtree-dir: third_party/allwpilib_2019
git-subtree-split: bd05dfa1c7cca74c4fac451e7b9d6a37e7b53447
diff --git a/hal/src/main/native/athena/PDP.cpp b/hal/src/main/native/athena/PDP.cpp
new file mode 100644
index 0000000..ff1eb81
--- /dev/null
+++ b/hal/src/main/native/athena/PDP.cpp
@@ -0,0 +1,341 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2016-2018 FIRST. All Rights Reserved. */
+/* Open Source Software - may be modified and shared by FRC teams. The code */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project. */
+/*----------------------------------------------------------------------------*/
+
+#include "hal/PDP.h"
+
+#include <memory>
+
+#include "HALInitializer.h"
+#include "PortsInternal.h"
+#include "hal/CANAPI.h"
+#include "hal/Errors.h"
+#include "hal/Ports.h"
+#include "hal/handles/IndexedHandleResource.h"
+
+using namespace hal;
+
+static constexpr HAL_CANManufacturer manufacturer =
+ HAL_CANManufacturer::HAL_CAN_Man_kCTRE;
+
+static constexpr HAL_CANDeviceType deviceType =
+ HAL_CANDeviceType::HAL_CAN_Dev_kPowerDistribution;
+
+static constexpr int32_t Status1 = 0x50;
+static constexpr int32_t Status2 = 0x51;
+static constexpr int32_t Status3 = 0x52;
+static constexpr int32_t StatusEnergy = 0x5D;
+
+static constexpr int32_t Control1 = 0x70;
+
+static constexpr int32_t TimeoutMs = 100;
+static constexpr int32_t StatusPeriodMs = 25;
+
+/* encoder/decoders */
+union PdpStatus1 {
+ uint8_t data[8];
+ struct Bits {
+ unsigned chan1_h8 : 8;
+ unsigned chan2_h6 : 6;
+ unsigned chan1_l2 : 2;
+ unsigned chan3_h4 : 4;
+ unsigned chan2_l4 : 4;
+ unsigned chan4_h2 : 2;
+ unsigned chan3_l6 : 6;
+ unsigned chan4_l8 : 8;
+ unsigned chan5_h8 : 8;
+ unsigned chan6_h6 : 6;
+ unsigned chan5_l2 : 2;
+ unsigned reserved4 : 4;
+ unsigned chan6_l4 : 4;
+ } bits;
+};
+
+union PdpStatus2 {
+ uint8_t data[8];
+ struct Bits {
+ unsigned chan7_h8 : 8;
+ unsigned chan8_h6 : 6;
+ unsigned chan7_l2 : 2;
+ unsigned chan9_h4 : 4;
+ unsigned chan8_l4 : 4;
+ unsigned chan10_h2 : 2;
+ unsigned chan9_l6 : 6;
+ unsigned chan10_l8 : 8;
+ unsigned chan11_h8 : 8;
+ unsigned chan12_h6 : 6;
+ unsigned chan11_l2 : 2;
+ unsigned reserved4 : 4;
+ unsigned chan12_l4 : 4;
+ } bits;
+};
+
+union PdpStatus3 {
+ uint8_t data[8];
+ struct Bits {
+ unsigned chan13_h8 : 8;
+ unsigned chan14_h6 : 6;
+ unsigned chan13_l2 : 2;
+ unsigned chan15_h4 : 4;
+ unsigned chan14_l4 : 4;
+ unsigned chan16_h2 : 2;
+ unsigned chan15_l6 : 6;
+ unsigned chan16_l8 : 8;
+ unsigned internalResBattery_mOhms : 8;
+ unsigned busVoltage : 8;
+ unsigned temp : 8;
+ } bits;
+};
+
+union PdpStatusEnergy {
+ uint8_t data[8];
+ struct Bits {
+ unsigned TmeasMs_likelywillbe20ms_ : 8;
+ unsigned TotalCurrent_125mAperunit_h8 : 8;
+ unsigned Power_125mWperunit_h4 : 4;
+ unsigned TotalCurrent_125mAperunit_l4 : 4;
+ unsigned Power_125mWperunit_m8 : 8;
+ unsigned Energy_125mWPerUnitXTmeas_h4 : 4;
+ unsigned Power_125mWperunit_l4 : 4;
+ unsigned Energy_125mWPerUnitXTmeas_mh8 : 8;
+ unsigned Energy_125mWPerUnitXTmeas_ml8 : 8;
+ unsigned Energy_125mWPerUnitXTmeas_l8 : 8;
+ } bits;
+};
+
+namespace hal {
+namespace init {
+void InitializePDP() {}
+} // namespace init
+} // namespace hal
+
+extern "C" {
+
+HAL_PDPHandle HAL_InitializePDP(int32_t module, int32_t* status) {
+ hal::init::CheckInit();
+ if (!HAL_CheckPDPModule(module)) {
+ *status = PARAMETER_OUT_OF_RANGE;
+ return HAL_kInvalidHandle;
+ }
+
+ auto handle = HAL_InitializeCAN(manufacturer, module, deviceType, status);
+
+ if (*status != 0) {
+ HAL_CleanCAN(handle);
+ return HAL_kInvalidHandle;
+ }
+
+ return handle;
+}
+
+void HAL_CleanPDP(HAL_PDPHandle handle) { HAL_CleanCAN(handle); }
+
+HAL_Bool HAL_CheckPDPModule(int32_t module) {
+ return module < kNumPDPModules && module >= 0;
+}
+
+HAL_Bool HAL_CheckPDPChannel(int32_t channel) {
+ return channel < kNumPDPChannels && channel >= 0;
+}
+
+double HAL_GetPDPTemperature(HAL_PDPHandle handle, int32_t* status) {
+ PdpStatus3 pdpStatus;
+ int32_t length = 0;
+ uint64_t receivedTimestamp = 0;
+
+ HAL_ReadCANPeriodicPacket(handle, Status3, pdpStatus.data, &length,
+ &receivedTimestamp, TimeoutMs, StatusPeriodMs,
+ status);
+
+ return pdpStatus.bits.temp * 1.03250836957542 - 67.8564500484966;
+}
+
+double HAL_GetPDPVoltage(HAL_PDPHandle handle, int32_t* status) {
+ PdpStatus3 pdpStatus;
+ int32_t length = 0;
+ uint64_t receivedTimestamp = 0;
+
+ HAL_ReadCANPeriodicPacket(handle, Status3, pdpStatus.data, &length,
+ &receivedTimestamp, TimeoutMs, StatusPeriodMs,
+ status);
+
+ return pdpStatus.bits.busVoltage * 0.05 + 4.0; /* 50mV per unit plus 4V. */
+}
+
+double HAL_GetPDPChannelCurrent(HAL_PDPHandle handle, int32_t channel,
+ int32_t* status) {
+ if (!HAL_CheckPDPChannel(channel)) {
+ *status = PARAMETER_OUT_OF_RANGE;
+ return 0;
+ }
+
+ int32_t length = 0;
+ uint64_t receivedTimestamp = 0;
+
+ double raw = 0;
+
+ if (channel <= 5) {
+ PdpStatus1 pdpStatus;
+ HAL_ReadCANPeriodicPacket(handle, Status1, pdpStatus.data, &length,
+ &receivedTimestamp, TimeoutMs, StatusPeriodMs,
+ status);
+ switch (channel) {
+ case 0:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan1_h8) << 2) |
+ pdpStatus.bits.chan1_l2;
+ break;
+ case 1:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan2_h6) << 4) |
+ pdpStatus.bits.chan2_l4;
+ break;
+ case 2:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan3_h4) << 6) |
+ pdpStatus.bits.chan3_l6;
+ break;
+ case 3:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan4_h2) << 8) |
+ pdpStatus.bits.chan4_l8;
+ break;
+ case 4:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan5_h8) << 2) |
+ pdpStatus.bits.chan5_l2;
+ break;
+ case 5:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan6_h6) << 4) |
+ pdpStatus.bits.chan6_l4;
+ break;
+ }
+ } else if (channel <= 11) {
+ PdpStatus2 pdpStatus;
+ HAL_ReadCANPeriodicPacket(handle, Status2, pdpStatus.data, &length,
+ &receivedTimestamp, TimeoutMs, StatusPeriodMs,
+ status);
+ switch (channel) {
+ case 6:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan7_h8) << 2) |
+ pdpStatus.bits.chan7_l2;
+ break;
+ case 7:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan8_h6) << 4) |
+ pdpStatus.bits.chan8_l4;
+ break;
+ case 8:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan9_h4) << 6) |
+ pdpStatus.bits.chan9_l6;
+ break;
+ case 9:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan10_h2) << 8) |
+ pdpStatus.bits.chan10_l8;
+ break;
+ case 10:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan11_h8) << 2) |
+ pdpStatus.bits.chan11_l2;
+ break;
+ case 11:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan12_h6) << 4) |
+ pdpStatus.bits.chan12_l4;
+ break;
+ }
+ } else {
+ PdpStatus3 pdpStatus;
+ HAL_ReadCANPeriodicPacket(handle, Status3, pdpStatus.data, &length,
+ &receivedTimestamp, TimeoutMs, StatusPeriodMs,
+ status);
+ switch (channel) {
+ case 12:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan13_h8) << 2) |
+ pdpStatus.bits.chan13_l2;
+ break;
+ case 13:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan14_h6) << 4) |
+ pdpStatus.bits.chan14_l4;
+ break;
+ case 14:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan15_h4) << 6) |
+ pdpStatus.bits.chan15_l6;
+ break;
+ case 15:
+ raw = (static_cast<uint32_t>(pdpStatus.bits.chan16_h2) << 8) |
+ pdpStatus.bits.chan16_l8;
+ break;
+ }
+ }
+
+ /* convert to amps */
+ return raw * 0.125; /* 7.3 fixed pt value in Amps */
+}
+
+double HAL_GetPDPTotalCurrent(HAL_PDPHandle handle, int32_t* status) {
+ PdpStatusEnergy pdpStatus;
+ int32_t length = 0;
+ uint64_t receivedTimestamp = 0;
+
+ HAL_ReadCANPeriodicPacket(handle, StatusEnergy, pdpStatus.data, &length,
+ &receivedTimestamp, TimeoutMs, StatusPeriodMs,
+ status);
+
+ uint32_t raw;
+ raw = pdpStatus.bits.TotalCurrent_125mAperunit_h8;
+ raw <<= 4;
+ raw |= pdpStatus.bits.TotalCurrent_125mAperunit_l4;
+ return 0.125 * raw; /* 7.3 fixed pt value in Amps */
+}
+
+double HAL_GetPDPTotalPower(HAL_PDPHandle handle, int32_t* status) {
+ PdpStatusEnergy pdpStatus;
+ int32_t length = 0;
+ uint64_t receivedTimestamp = 0;
+
+ HAL_ReadCANPeriodicPacket(handle, StatusEnergy, pdpStatus.data, &length,
+ &receivedTimestamp, TimeoutMs, StatusPeriodMs,
+ status);
+
+ uint32_t raw;
+ raw = pdpStatus.bits.Power_125mWperunit_h4;
+ raw <<= 8;
+ raw |= pdpStatus.bits.Power_125mWperunit_m8;
+ raw <<= 4;
+ raw |= pdpStatus.bits.Power_125mWperunit_l4;
+ return 0.125 * raw; /* 7.3 fixed pt value in Watts */
+}
+
+double HAL_GetPDPTotalEnergy(HAL_PDPHandle handle, int32_t* status) {
+ PdpStatusEnergy pdpStatus;
+ int32_t length = 0;
+ uint64_t receivedTimestamp = 0;
+
+ HAL_ReadCANPeriodicPacket(handle, StatusEnergy, pdpStatus.data, &length,
+ &receivedTimestamp, TimeoutMs, StatusPeriodMs,
+ status);
+
+ uint32_t raw;
+ raw = pdpStatus.bits.Energy_125mWPerUnitXTmeas_h4;
+ raw <<= 8;
+ raw |= pdpStatus.bits.Energy_125mWPerUnitXTmeas_mh8;
+ raw <<= 8;
+ raw |= pdpStatus.bits.Energy_125mWPerUnitXTmeas_ml8;
+ raw <<= 8;
+ raw |= pdpStatus.bits.Energy_125mWPerUnitXTmeas_l8;
+
+ double energyJoules = 0.125 * raw; /* mW integrated every TmeasMs */
+ energyJoules *= 0.001; /* convert from mW to W */
+ energyJoules *=
+ pdpStatus.bits
+ .TmeasMs_likelywillbe20ms_; /* multiplied by TmeasMs = joules */
+ return 0.125 * raw;
+}
+
+void HAL_ResetPDPTotalEnergy(HAL_PDPHandle handle, int32_t* status) {
+ uint8_t pdpControl[] = {0x40}; /* only bit set is ResetEnergy */
+ HAL_WriteCANPacket(handle, pdpControl, 1, Control1, status);
+}
+
+void HAL_ClearPDPStickyFaults(HAL_PDPHandle handle, int32_t* status) {
+ uint8_t pdpControl[] = {0x80}; /* only bit set is ClearStickyFaults */
+ HAL_WriteCANPacket(handle, pdpControl, 1, Control1, status);
+}
+
+} // extern "C"