moved source files around in preparation to adding makefile build way

added makefile (thx gke)
added linker script (thx gke)
moved startups into src directory as well
no code changes.

git-svn-id: https://afrodevices.googlecode.com/svn/trunk/baseflight@105 7c89a4a9-59b9-e629-4cfe-3a2d53b20e61

src/cli.c

@@ -0,0 +1,133 @@
+#include "board.h"
+#include "mw.h"
+
+// we unset this on 'exit'
+extern uint8_t cliMode;
+static void cliExit(char *cmdline);
+static void cliHelp(char *cmdline);
+static void cliRMode(char *cmdline);
+static void cliVersion(char *cmdline);
+
+// buffer
+char cliBuffer[32];
+uint8_t bufferIndex = 0;
+
+typedef struct {
+    char *name;
+    char *param;
+    void (*func)(char *cmdline);
+} cliCmd;
+
+// should be sorted a..z for bsearch()
+const cliCmd cmdTable[] = {
+    { "exit", "", cliExit },
+    { "help", "", cliHelp },
+    { "rmode", "pwm / ppm", cliRMode },
+    { "version", "", cliVersion },
+};
+#define CMD_COUNT (sizeof cmdTable / sizeof cmdTable[0])
+
+static void cliPrompt(void)
+{
+    uartPrint("\r\n# ");
+    memset(cliBuffer, 0, sizeof(cliBuffer));
+    bufferIndex = 0;
+}
+
+static int cliCompare(const void *a, const void *b)
+{
+    const cliCmd *ca = a, *cb = b;
+    return strncasecmp(ca->name, cb->name, strlen(cb->name));
+}
+
+static void cliExit(char *cmdline)
+{
+    uartPrint("Leaving CLI mode...\r\n");
+    memset(cliBuffer, 0, sizeof(cliBuffer));
+    bufferIndex = 0;
+    cliMode = 0;
+}
+
+static void cliHelp(char *cmdline)
+{
+    uint8_t i = 0;
+
+    uartPrint("Available commands:\r\n");    
+
+    for (i = 0; i < CMD_COUNT; i++) {
+    	uartPrint(cmdTable[i].name);
+    	uartWrite(' ');
+    	uartPrint(cmdTable[i].param);
+    	uartPrint("\r\n");
+    }
+}
+
+static void cliRMode(char *cmdline)
+{
+    if (strncasecmp(cmdline, "pwm", 3) == 0) {
+        uartPrint("PWM Mode");
+        featureClear(FEATURE_PPM);
+    } else {
+        uartPrint("PPM Mode");
+        featureSet(FEATURE_PPM);
+    }
+    
+    writeParams();
+    systemReset(false);
+}
+
+static void cliVersion(char *cmdline)
+{
+    uartPrint("Afro32 CLI version 2.0-pre1");
+}
+
+void cliProcess(void)
+{
+    while (uartAvailable()) {
+        uint8_t c = uartRead();
+
+    	cliBuffer[bufferIndex++] = c;
+        if (bufferIndex == sizeof(cliBuffer)) {
+            bufferIndex--;
+            c = '\n';
+        }
+
+    	if (bufferIndex && (c == '\n' || c == '\r')) {
+            // enter pressed
+            cliCmd *cmd = NULL;
+            cliCmd target;
+    		uartPrint("\r\n");
+            cliBuffer[bufferIndex] = 0; // null terminate
+            
+            target.name = cliBuffer;
+            target.param = NULL;
+            
+            cmd = bsearch(&target, cmdTable, CMD_COUNT, sizeof cmdTable[0], cliCompare);
+            if (cmd)
+                cmd->func(cliBuffer + strlen(cmd->name) + 1);
+            else
+                uartPrint("ERR: Unknown command, try 'HELP'");
+
+            // 'exit' will reset this flag, so we don't need to print prompt again
+            if (cliMode)
+    	        cliPrompt();
+
+        } else if (c == 127) {
+            // backspace
+            if (bufferIndex > 1) {
+        		cliBuffer[bufferIndex - 2] = 0;
+        		uartPrint("\r# ");
+        		uartPrint(cliBuffer);
+        		uartWrite(' ');
+        		uartPrint("\r# ");
+        		uartPrint(cliBuffer);
+        		bufferIndex -= 2;
+            }
+        } else if (c < 32 || c > 126) {
+            // non-printable ascii
+            bufferIndex--;
+        } else {
+            uartWrite(c);
+        }
+    }
+}