shell: flash: use console_getc() instead of getc()

source/shell/flash.c

@@ -14,9 +14,7 @@
 
 struct flash_dev *flash = NULL;
 
-/* TODO: implement a parser for hex arrays that is more user-friendly.
- * Also implement dry runs for programmers. */
-static void parse_hex(FILE *fp, char *buf, size_t len)
+static void parse_hex(struct console *con, char *buf, size_t len)
 {
 	size_t i;
 	char s[3];
@@ -24,8 +22,8 @@ static void parse_hex(FILE *fp, char *buf, size_t len)
 	for (i = 0; i < len; ++i) {
 		memset(s, '\0', 3);
 
-		while ((s[0] = getc(fp)) && !isxdigit(s[0]));
-		while ((s[1] = getc(fp)) && !isxdigit(s[1]));
+		while (console_getc(s + 0, con) && !isxdigit(s[0]));
+		while (console_getc(s + 1, con) && !isxdigit(s[1]));
 
 		*buf++ = strtoul(s, NULL, 16);
 	}
@@ -192,7 +190,7 @@ static int do_flash_write(struct console *con, size_t argc, const char **argv)
 
 	while (len) {
 		nbytes = min(len, 256);
-		parse_hex(con->fp, buf, nbytes);
+		parse_hex(con, buf, nbytes);
 		printf("\n");
 		print_hex_ascii(con->fp, addr, buf, nbytes);