adding dependencies

2022-10-10 12:39:30 +01:00
parent 0e8e1e4db6
commit 2327ae7aab
867 changed files with 137599 additions and 0 deletions
@@ -0,0 +1,56 @@
+/*
+ * This file is part of the stm32-car project.
+ *
+ * Copyright (C) 2021 Johannes Huebner <dev@johanneshuebner.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef LINBUS_H
+#define LINBUS_H
+
+
+class LinBus
+{
+   public:
+      /** Default constructor */
+      LinBus(uint32_t usart, int baudrate);
+      void Request(uint8_t id, uint8_t* data, uint8_t len);
+      bool HasReceived(uint8_t pid, uint8_t requiredLen);
+      uint8_t* GetReceivedBytes() { return &recvBuffer[payloadIndex]; }
+
+   protected:
+
+   private:
+      struct HwInfo
+      {
+         uint32_t usart;
+         uint8_t dmatx;
+         uint8_t dmarx;
+         uint32_t port;
+         uint16_t pin;
+      };
+
+      static uint8_t Checksum(uint8_t pid, uint8_t* data, int len);
+      static uint8_t Parity(uint8_t id);
+
+      static const HwInfo hwInfo[];
+      static const int payloadIndex = 3;
+      static const int pidIndex = 2;
+      uint32_t usart;
+      const HwInfo* hw;
+      uint8_t sendBuffer[11];
+      uint8_t recvBuffer[12];
+};
+
+#endif // LINBUS_H