dragonpilot - 基於 openpilot 的開源駕駛輔助系統
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#pragma once
#include "opendbc/safety/safety_declarations.h"
static void body_rx_hook(const CANPacket_t *msg) {
if (msg->addr == 0x201U) {
controls_allowed = true;
}
}
static bool body_tx_hook(const CANPacket_t *msg) {
bool tx = true;
if (!controls_allowed && (msg->addr != 0x1U)) {
tx = false;
}
// Allow going into CAN flashing mode even if controls are not allowed
bool flash_msg = (msg->addr == 0x250U) && (GET_LEN(msg) == 8U);
if (!controls_allowed && (GET_BYTES(msg, 0, 4) == 0xdeadfaceU) && (GET_BYTES(msg, 4, 4) == 0x0ab00b1eU) && flash_msg) {
tx = true;
}
return tx;
}
static safety_config body_init(uint16_t param) {
static RxCheck body_rx_checks[] = {
{.msg = {{0x201, 0, 8, 100U, .ignore_checksum = true, .ignore_counter = true, .ignore_quality_flag = true}, { 0 }, { 0 }}},
};
static const CanMsg BODY_TX_MSGS[] = {{0x250, 0, 8, .check_relay = false}, {0x250, 0, 6, .check_relay = false}, {0x251, 0, 5, .check_relay = false}, // body
{0x1, 0, 8, .check_relay = false}}; // CAN flasher
UNUSED(param);
safety_config ret = BUILD_SAFETY_CFG(body_rx_checks, BODY_TX_MSGS);
ret.disable_forwarding = true;
return ret;
}
const safety_hooks body_hooks = {
.init = body_init,
.rx = body_rx_hook,
.tx = body_tx_hook,
};