VW MQB: RxChecks for GRA_ACC_01

jyoung8607 · Feb 14, 2024 · d8952ab · d8952ab
1 parent a99387d
commit d8952ab
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/board/safety/safety_volkswagen_mqb.h b/board/safety/safety_volkswagen_mqb.h
@@ -46,6 +46,7 @@ RxCheck volkswagen_mqb_rx_checks[] = {
   {.msg = {{MSG_TSK_06, 0, 8, .check_checksum = true, .max_counter = 15U, .frequency = 50U}, { 0 }, { 0 }}},
   {.msg = {{MSG_MOTOR_20, 0, 8, .check_checksum = true, .max_counter = 15U, .frequency = 50U}, { 0 }, { 0 }}},
   {.msg = {{MSG_MOTOR_14, 0, 8, .check_checksum = false, .max_counter = 0U, .frequency = 10U}, { 0 }, { 0 }}},
+  {.msg = {{MSG_GRA_ACC_01, 0, 8, .check_checksum = true, .max_counter = 15U, .frequency = 33U}, { 0 }, { 0 }}},
 };
 
 uint8_t volkswagen_crc8_lut_8h2f[256]; // Static lookup table for CRC8 poly 0x2F, aka 8H2F/AUTOSAR
@@ -83,6 +84,8 @@ static uint32_t volkswagen_mqb_compute_crc(const CANPacket_t *to_push) {
     crc ^= (uint8_t[]){0xC4,0xE2,0x4F,0xE4,0xF8,0x2F,0x56,0x81,0x9F,0xE5,0x83,0x44,0x05,0x3F,0x97,0xDF}[counter];
   } else if (addr == MSG_MOTOR_20) {
     crc ^= (uint8_t[]){0xE9,0x65,0xAE,0x6B,0x7B,0x35,0xE5,0x5F,0x4E,0xC7,0x86,0xA2,0xBB,0xDD,0xEB,0xB4}[counter];
+  } else if (addr == MSG_GRA_ACC_01) {
+    crc ^= (uint8_t[]){0x6A,0x38,0xB4,0x27,0x22,0xEF,0xE1,0xBB,0xF8,0x80,0x84,0x49,0xC7,0x9E,0x1E,0x2B}[counter];
   } else {
     // Undefined CAN message, CRC check expected to fail
   }