Diff: Frames/AtCmdFrame.cpp

Revision:

0:fcaad0dfa051

Child:

4:629712865107

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Frames/AtCmdFrame.cpp	Fri May 08 11:50:56 2015 +0200
@@ -0,0 +1,147 @@
+/**
+ * Copyright (c) 2015 Digi International Inc.,
+ * All rights not expressly granted are reserved.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Digi International Inc. 11001 Bren Road East, Minnetonka, MN 55343
+ * =======================================================================
+ */
+
+#include "mbed.h"
+#include "Utils/Debug.h"
+#include "AtCmdFrame.h"
+
+#define AT_CMD_LEN              2
+#define AT_CMD_ID_LEN           1
+
+void AtCmdFrame::build_at_cmd_frame(const char *cmd, const uint8_t *cmd_params, uint8_t payload_len, bool reverse)
+{
+    uint8_t frame_data[AT_CMD_LEN + AT_CMD_ID_LEN + payload_len];
+    
+    frame_data[0] = _frame_id;
+    frame_data[1] = cmd[0];
+    frame_data[2] = cmd[1];
+    if (payload_len) {
+        if (reverse) {
+            rmemcpy(&frame_data[3], cmd_params, payload_len);
+        } else {
+            memcpy(&frame_data[3], cmd_params, payload_len);
+        }
+    }
+
+    set_api_frame(AtCmd, frame_data, AT_CMD_LEN + AT_CMD_ID_LEN + payload_len);
+}
+
+AtCmdFrame::AtCmdFrame(const char * const cmd, uint32_t cmd_param)
+{
+    assert(cmd != NULL);
+    assert(strlen(cmd) == AT_CMD_LEN);
+
+    uint8_t len;
+    if (cmd_param <= 0xFF) {
+        len = 1;
+    } else if (cmd_param <= 0xFFFF) {
+        len = 2;
+    } else if (cmd_param <= 0xFFFFFF) {
+        len = 3;
+    } else {
+        len = 4;
+    }
+    build_at_cmd_frame(cmd, (uint8_t *)&cmd_param, len);
+}
+
+AtCmdFrame::AtCmdFrame(const char * const cmd, const uint8_t * cmd_param, uint16_t param_len)
+{
+    assert(cmd != NULL);
+    assert(strlen(cmd) == AT_CMD_LEN);
+
+    build_at_cmd_frame(cmd, cmd_param, param_len, false);
+}
+
+AtCmdFrame::AtCmdFrame(uint64_t remote, const char * const cmd, uint32_t cmd_param)
+{
+    assert(cmd != NULL);
+    assert(strlen(cmd) == AT_CMD_LEN);
+    
+    build_at_cmd_remote_frame(remote, ADDR16_UNKNOWN, cmd, (uint8_t *)&cmd_param, 4);
+}
+
+AtCmdFrame::AtCmdFrame(uint64_t remote, const char * const cmd, const uint8_t * cmd_param, uint16_t param_len)
+{
+    assert(cmd != NULL);
+    assert(strlen(cmd) == AT_CMD_LEN);
+
+    build_at_cmd_remote_frame(remote, ADDR16_UNKNOWN, cmd, cmd_param, param_len, false);
+}
+
+AtCmdFrame::AtCmdFrame(uint16_t remote, const char * const cmd, uint32_t cmd_param)
+{
+    assert(cmd != NULL);
+    assert(strlen(cmd) == AT_CMD_LEN);
+    
+    build_at_cmd_remote_frame(ADDR64_UNASSIGNED, remote, cmd, (uint8_t *)&cmd_param, 4);
+}
+
+AtCmdFrame::AtCmdFrame(uint16_t remote, const char * const cmd, const uint8_t * cmd_param, uint16_t param_len)
+{
+    assert(cmd != NULL);
+    assert(strlen(cmd) == AT_CMD_LEN);
+
+    build_at_cmd_remote_frame(ADDR64_UNASSIGNED, remote, cmd, cmd_param, param_len, false);
+}
+
+AtCmdFrame::AtCmdFrame(uint64_t remote64, uint16_t remote16, const char * const cmd, uint32_t cmd_param)
+{
+    assert(cmd != NULL);
+    assert(strlen(cmd) == AT_CMD_LEN);
+    
+    build_at_cmd_remote_frame(remote64, remote16, cmd, (uint8_t *)&cmd_param, 4);
+}
+
+AtCmdFrame::AtCmdFrame(uint64_t remote64, uint16_t remote16, const char * const cmd,
+                           const uint8_t * cmd_param, uint16_t param_len)
+{
+    assert(cmd != NULL);
+    assert(strlen(cmd) == AT_CMD_LEN);
+
+    build_at_cmd_remote_frame(remote64, remote16, cmd, cmd_param, param_len, false);
+}
+
+#define FRAME_ID_LEN              1
+#define ADDR64_LEN                8
+#define ADDR16_LEN                2
+#define OPTIONS_LEN               1
+#define AT_CMD_LEN                2
+#define REM_AT_CMD_OVERHEAD       (FRAME_ID_LEN + ADDR64_LEN + \
+                                   ADDR16_LEN + OPTIONS_LEN + \
+                                   AT_CMD_LEN)
+
+void AtCmdFrame::build_at_cmd_remote_frame(uint64_t remote64, uint16_t remote16,
+                const char *const cmd, const uint8_t *const cmd_params, uint8_t params_len, bool reverse)
+{
+    uint8_t frame_data[REM_AT_CMD_OVERHEAD + params_len];
+    
+    /* copy the frame id, the 64bit remote address, the 16bit network address,
+     *  the options byte, the command and the command params */
+
+    frame_data[0] = _frame_id;
+    rmemcpy(&frame_data[1], (const uint8_t *)&remote64, sizeof remote64);
+    frame_data[9] = (uint8_t)(remote16 >> 8);
+    frame_data[10] = (uint8_t)remote16;
+    frame_data[11] = 0x02; /* TODO Options */
+    frame_data[12] = cmd[0];
+    frame_data[13] = cmd[1];
+        
+    if (params_len) {
+        if (reverse) {
+            rmemcpy(&frame_data[14], cmd_params, params_len);
+        } else {
+            memcpy(&frame_data[14], cmd_params, params_len);
+        }
+    }
+
+    set_api_frame(RemoteCmdReq, frame_data, REM_AT_CMD_OVERHEAD + params_len);
+}