openpilot0/selfdrive/boardd/panda.h

83 lines
2.4 KiB
C++

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