From ee5af659bf45ec4038b7d8de7e0a84ea8173824b Mon Sep 17 00:00:00 2001
From: xiangfu <xiangfu.z@gmail.com>
Date: Mon, 4 May 2009 16:08:03 +0000
Subject: [PATCH] add some comment

---
 flash-tool/cmd.c          | 11 +++--------
 flash-tool/command_line.c | 10 +++++-----
 flash-tool/ingenic_usb.c  |  6 +-----
 flash-tool/main.c         | 10 ++--------
 4 files changed, 11 insertions(+), 26 deletions(-)

diff --git a/flash-tool/cmd.c b/flash-tool/cmd.c
index e6de23c..5405eee 100644
--- a/flash-tool/cmd.c
+++ b/flash-tool/cmd.c
@@ -212,11 +212,6 @@ int nand_program_check(struct nand_in_t *nand_in,
 		(nand_out->status)[i] = 0; /* set all status to fail */
 #endif
 
-	/* if (handle_Open(nand_in->dev)==-1) { */
-	/* 	printf("\n Can not connect device!"); */
-	/* 	return -1; */
-	/* } needs change*/
-
 	if (usb_get_ingenic_cpu(&ingenic_dev) < 3) {
 		printf("\n Device unboot! Boot it first!");
 		return -1;
@@ -450,11 +445,11 @@ int nand_program_file(struct nand_in_t *nand_in,
 		(nand_out->status)[i] = 1; /* set all status to success! */
 #endif
 	for (k = 0; k < m; k++)	{
-		if (nand_in->option == NO_OOB) {
+		if (nand_in->option == NO_OOB)
 			page_num = transfer_size / hand.nand_ps;
-		} else {
+		else
 			page_num = transfer_size / (hand.nand_ps + hand.nand_os);
-		}
+
 		code_len = transfer_size;
 		fread(code_buf, 1, code_len, fp); /* read code from file to buffer */
 		printf("\n No.%d Programming...",k+1);
diff --git a/flash-tool/command_line.c b/flash-tool/command_line.c
index 55377f5..aaaad32 100644
--- a/flash-tool/command_line.c
+++ b/flash-tool/command_line.c
@@ -64,7 +64,7 @@ static const char COMMAND[][30]=
 	"run"
 };
 
-int handle_help(void)
+static int handle_help(void)
 {
 	printf("\n Command support in current version:"
 	       "\n help          print this help;"
@@ -91,13 +91,13 @@ int handle_help(void)
 	return 1;
 }
 
-int handle_version(void)
+static int handle_version(void)
 {
 	printf("\n USB Boot Software current version: %s", CURRENT_VERSION);	
 	return 1;
 }
 
-int handle_fconfig(void)
+static int handle_fconfig(void)
 {
 	if (com_argc < 3) {
 		printf("\n Usage:"
@@ -110,7 +110,7 @@ int handle_fconfig(void)
 	return 1;
 }
 
-int command_input(char *buf)
+int command_input(char *buf) 	/* read command from stdin */
 {
 	char *cptr;
 	cptr = fgets(buf, 256, stdin);
@@ -159,7 +159,7 @@ int command_interpret(char * com_buf)
 
 int command_handle(char *buf)
 {
-	int cmd = command_interpret(buf);
+	int cmd = command_interpret(buf); /* get the command index */
 
 	if (!cmd)
 		return -1;
diff --git a/flash-tool/ingenic_usb.c b/flash-tool/ingenic_usb.c
index fb0ba52..eef1ed0 100644
--- a/flash-tool/ingenic_usb.c
+++ b/flash-tool/ingenic_usb.c
@@ -3,6 +3,7 @@
  *
  * (C) Copyright 2009
  * Author: Marek Lindner <lindner_marek@yahoo.de>
+ * Author: Xiangfu liu <xiangfu.z@gmail.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -116,11 +117,6 @@ int usb_ingenic_init(struct ingenic_dev *ingenic_dev)
 		goto out;
 	}
 
-	/* if (usb_set_configuration(ingenic_dev->usb_handle, 1) < 0) { */
-	/* 	fprintf(stderr, "Error - can't set Ingenic configuration: %s\n", usb_strerror()); */
-	/* 	goto out; */
-	/* } */
-
 	if (get_ingenic_interface(ingenic_dev) < 1) {
 		fprintf(stderr, "Error - can't find Ingenic interface\n");
 		goto out;
diff --git a/flash-tool/main.c b/flash-tool/main.c
index a545e3b..f54433b 100644
--- a/flash-tool/main.c
+++ b/flash-tool/main.c
@@ -20,13 +20,8 @@
  */
 
 #include <stdio.h>
-#include <getopt.h>
-#include <unistd.h>
 #include <stdlib.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+#include <getopt.h>
 #include "usb.h"
 #include "config.h"
 #include "command_line.h"
@@ -104,7 +99,7 @@ int main(int argc, char **argv)
 	if (parse_configure(&hand, CONFIG_FILE_PATH) < 1)
 		return EXIT_FAILURE;
 
-	if (command) {
+	if (command) {		/* direct run command */
 		command_handle(com_buf);
 		printf("\n");
 		goto out;
@@ -122,4 +117,3 @@ out:
 	usb_ingenic_cleanup(&ingenic_dev);
 	return EXIT_SUCCESS;
 }
-