85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
#pragma once
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#include <pthread.h>
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#include <atomic>
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#include <cstdint>
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#include <ctime>
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#include <mutex>
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#include <optional>
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#include <vector>
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#include <libusb-1.0/libusb.h>
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#include "cereal/gen/cpp/car.capnp.h"
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#include "cereal/gen/cpp/log.capnp.h"
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// double the FIFO size
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#define RECV_SIZE (0x1000)
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#define TIMEOUT 0
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// copied from panda/board/main.c
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struct __attribute__((packed)) health_t {
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uint32_t uptime;
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uint32_t voltage;
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uint32_t current;
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uint32_t can_rx_errs;
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uint32_t can_send_errs;
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uint32_t can_fwd_errs;
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uint32_t gmlan_send_errs;
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uint32_t faults;
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uint8_t ignition_line;
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uint8_t ignition_can;
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uint8_t controls_allowed;
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uint8_t gas_interceptor_detected;
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uint8_t car_harness_status;
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uint8_t usb_power_mode;
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uint8_t safety_model;
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int16_t safety_param;
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uint8_t fault_status;
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uint8_t power_save_enabled;
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};
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class Panda {
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private:
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libusb_context *ctx = NULL;
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libusb_device_handle *dev_handle = NULL;
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std::mutex usb_lock;
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void handle_usb_issue(int err, const char func[]);
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void cleanup();
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public:
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Panda();
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~Panda();
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std::atomic<bool> connected = true;
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cereal::PandaState::PandaType hw_type = cereal::PandaState::PandaType::UNKNOWN;
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bool has_rtc = false;
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// HW communication
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int usb_write(uint8_t bRequest, uint16_t wValue, uint16_t wIndex, unsigned int timeout=TIMEOUT);
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int usb_read(uint8_t bRequest, uint16_t wValue, uint16_t wIndex, unsigned char *data, uint16_t wLength, unsigned int timeout=TIMEOUT);
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int usb_bulk_write(unsigned char endpoint, unsigned char* data, int length, unsigned int timeout=TIMEOUT);
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int usb_bulk_read(unsigned char endpoint, unsigned char* data, int length, unsigned int timeout=TIMEOUT);
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// Panda functionality
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cereal::PandaState::PandaType get_hw_type();
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void set_safety_model(cereal::CarParams::SafetyModel safety_model, int safety_param=0);
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void set_unsafe_mode(uint16_t unsafe_mode);
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void set_rtc(struct tm sys_time);
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struct tm get_rtc();
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void set_fan_speed(uint16_t fan_speed);
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uint16_t get_fan_speed();
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void set_ir_pwr(uint16_t ir_pwr);
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health_t get_state();
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void set_loopback(bool loopback);
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std::optional<std::vector<uint8_t>> get_firmware_version();
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std::optional<std::string> get_serial();
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void set_power_saving(bool power_saving);
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void set_usb_power_mode(cereal::PandaState::UsbPowerMode power_mode);
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void send_heartbeat();
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void can_send(capnp::List<cereal::CanData>::Reader can_data_list);
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int can_receive(kj::Array<capnp::word>& out_buf);
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};
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