static void CursorEnd(void)
{
UINT8 len;
if ( (GET_LEN_RX_CMD_STRING() + gCmdLinePromptLength) != GET_CURSOR())
{
len = GET_LEN_RX_CMD_STRING() - GET_CURSOR() + gCmdLinePromptLength;
CursorRight_N(len);
}
}
static tZGVoidReturn CursorEnd(tZGVoidInput)
{
tZGU8 len;
if ( (GET_LEN_RX_CMD_STRING() + gCmdLinePromptLength) != GET_CURSOR())
{
len = GET_LEN_RX_CMD_STRING() - GET_CURSOR() + gCmdLinePromptLength;
CursorRight_N(len);
}
}
/*= Backspace ================================================================
Purpose: Performs a backspace operation on the command line
Inputs: none
Returns: none
============================================================================*/
static void Backspace(void)
{
UINT8 num_chars;
UINT8 orig_index = GET_CURSOR();
/* if cursor is not at the left-most position */
if (GET_CURSOR() != gCmdLinePromptLength)
{
/* Null out tmp cmd line */
memset(gTmpCmdLine, 0x00, sizeof(gTmpCmdLine));
/* get characters before the backspace */
num_chars = GET_CURSOR() - gCmdLinePromptLength - 1;
strncpy( (char *) gTmpCmdLine, (const char *) g_ConsoleContext.rxBuf, num_chars);
/* append characters after the deleted char (if there are any) */
if ( (GET_LEN_RX_CMD_STRING() - 1) > 0u)
{
strcpy( (char *) &gTmpCmdLine[num_chars], (const char *) &g_ConsoleContext.rxBuf[num_chars + 1]);
}
EraseEntireLine(); /* leaves g_ConsoleContext.cursorIndex at 0 */
strcpy( (char *) g_ConsoleContext.rxBuf, (const char *) gTmpCmdLine);
putrsUART( (ROM FAR char *) gCmdLinePrompt);
putsUART( (char *) g_ConsoleContext.rxBuf);
SET_CURSOR(gCmdLinePromptLength + GET_LEN_RX_CMD_STRING());
CursorHome(); /* to first character after prompt */
/* move cursor to point of backspace */
CursorRight_N(orig_index - 1 - gCmdLinePromptLength);
}
}
static void Delete(void)
{
unsigned int num_chars;
unsigned int orig_index = GET_CURSOR();
/* if cursor is not at the end of the line */
if (GET_CURSOR() != GET_LEN_RX_CMD_STRING() + gCmdLinePromptLength)
{
/* Null out tmp cmd line */
memset(gTmpCmdLine, 0x00, sizeof(gTmpCmdLine));
/* get characters before the deleted key */
num_chars = GET_CURSOR() - gCmdLinePromptLength;
strncpy( (char *) gTmpCmdLine, (const char *) g_ConsoleContext.rxBuf, num_chars);
/* append characters after the deleted char (if there are any) */
if (strlen( (char *) g_ConsoleContext.rxBuf) - 1 > 0u)
{
strcpy( (char *) &gTmpCmdLine[num_chars], (const char *) &g_ConsoleContext.rxBuf[num_chars + 1]);
}
EraseEntireLine(); /* leaves g_ConsoleContext.cursorIndex at 0 */
putrsUART( (ROM FAR char *) gCmdLinePrompt);
strcpy( (char *) g_ConsoleContext.rxBuf, (const char *) gTmpCmdLine);
putsUART( (char *) g_ConsoleContext.rxBuf );
SET_CURSOR(gCmdLinePromptLength + GET_LEN_RX_CMD_STRING());
CursorHome(); /* to first character after prompt */
/* move cursor to point of delete */
CursorRight_N(orig_index - gCmdLinePromptLength);
}
}