Files
oscarpilot/panda/board/safety/safety_elm327.h
FrogAi 08e9fb1edc openpilot v0.9.6 release
date: 2024-01-12T10:13:37
master commit: ba792d576a49a0899b88a753fa1c52956bedf9e6
2024-01-12 22:39:28 -07:00

27 lines
743 B
C

static bool elm327_tx_hook(CANPacket_t *to_send) {
bool tx = true;
int addr = GET_ADDR(to_send);
int len = GET_LEN(to_send);
// All ISO 15765-4 messages must be 8 bytes long
if (len != 8) {
tx = false;
}
// Check valid 29 bit send addresses for ISO 15765-4
// Check valid 11 bit send addresses for ISO 15765-4
if ((addr != 0x18DB33F1) && ((addr & 0x1FFF00FF) != 0x18DA00F1) &&
((addr & 0x1FFFFF00) != 0x600) && ((addr & 0x1FFFFF00) != 0x700)) {
tx = false;
}
return tx;
}
// If current_board->has_obd and safety_param == 0, bus 1 is multiplexed to the OBD-II port
const safety_hooks elm327_hooks = {
.init = nooutput_init,
.rx = default_rx_hook,
.tx = elm327_tx_hook,
.fwd = default_fwd_hook,
};