Function CLI_process

Debug/cli/cli.c:161–357

Query the serial input buffer for any new characters

// Query the serial input buffer for any new characters
int CLI_process()
{
	// Current buffer position
	uint8_t prev_buf_pos = CLILineBufferCurrent;

	if (CLILineBufferPrev != 255) {
		prev_buf_pos = CLILineBufferPrev;
		CLILineBufferPrev = 255;
	} else {
		// Process each character while available
		while ( 1 )
		{
			// No more characters to process
			if ( Output_availablechar() == 0 )
				break;

			// Retrieve from output module
			char cur_char = (char)Output_getchar();

			// Make sure buffer isn't full
			if ( CLILineBufferCurrent >= CLILineBufferMaxSize )
			{
				print( NL );
				erro_printNL("Serial line buffer is full, dropping character and resetting...");

				// Clear buffer
				CLILineBufferCurrent = 0;

				// Reset the prompt
				prompt();

				return 0;
			}

			// Place into line buffer
			CLILineBuffer[CLILineBufferCurrent++] = cur_char;
		}
	}

	// Display Hex Key Input if enabled
	if ( CLIHexDebugMode && CLILineBufferCurrent > prev_buf_pos )
	{
		print("\033[s\r\n"); // Save cursor position, and move to the next line
		print("\033[2K");    // Erases the current line

		uint8_t pos = prev_buf_pos;
		while ( CLILineBufferCurrent > pos )
		{
			printHex( CLILineBuffer[pos++] );
			print(" ");
		}

		print("\033[u"); // Restore cursor position
	}

	// If buffer has changed, output to screen while there are still characters in the buffer not displayed
	uint8_t dirty = CLILineBufferCurrent > prev_buf_pos;
	while ( CLILineBufferCurrent > prev_buf_pos )