Diff: TransferCore.h

Revision:

0:76588be01e71

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TransferCore.h	Sat Sep 14 11:21:12 2013 +0000
@@ -0,0 +1,66 @@
+// TransferCore.h 2013/9/14
+#pragma once
+#include "SWD.h"
+
+// DAP Transfer Request
+#define DAP_TRANSFER_MATCH_VALUE        (1<<4)
+#define DAP_TRANSFER_MATCH_MASK         (1<<5)
+
+// DAP Transfer Response
+#define DAP_TRANSFER_MISMATCH           (1<<4)
+
+template<typename T>
+T LD(uint8_t* buf) {
+    T data = 0;
+    for(int i = sizeof(T)-1; i >= 0; i--) {
+        data <<= 8;
+        data |= buf[i];
+    }
+    return data;
+}
+
+template<typename T>
+void ST(uint8_t* buf, T data) {
+    for(int i = 0; i < sizeof(T); i++) {
+        buf[i] = data>>(8*i);
+    }
+}
+
+class transData {
+public:
+    void init(uint8_t* base, int pos);
+    void append(uint32_t data);
+    uint8_t* data();
+    int length();
+
+    template<typename T>
+    T get() {
+        T data = LD<T>(_base+_pos);
+        _pos += sizeof(T);
+        return data;
+    }
+protected:
+    uint8_t* _base;
+    int _pos;
+};
+
+class TransferCore {
+public:
+    int Transfer(SWD* swd, uint8_t* request, uint8_t* response);
+    int TransferBlock(SWD* swd, uint8_t* request, uint8_t* response);
+    uint16_t  match_retry; // Number of retries if read value does not match
+    uint32_t  match_mask;  // Match Mask
+private:
+    uint8_t read(uint8_t cmd);
+    uint8_t write(uint8_t cmd);
+    uint8_t read_block(uint8_t cmd, int count);
+    uint8_t write_block(uint8_t cmd, int count);
+
+    bool post_read;
+    bool check_write;
+    transData reqData;  
+    transData resData;
+    int response_count;
+protected:
+    SWD* _swd;
+};