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uart_console: delete char using BS(08H) or DEL(7FH)

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Some serial tools such as 'minicom' send BS when press backspace,
not DEL, so delete char using BS or DEL.

Fixes: #7959

Signed-off-by: qianfan Zhao <qianfanguijin@163.com>
This commit is contained in:
qianfan Zhao 2018-05-29 12:43:16 +08:00 • committed by Anas Nashif
commit 13e1c3c2f8
1 changed files with 2 additions and 0 deletions
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2
drivers/console/uart_console.c
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@ -137,6 +137,7 @@ static struct k_fifo *lines_queue;
static u8_t (*completion_cb)(char *line, u8_t len);
/* Control characters */
#define BS 0x08
#define ESC 0x1b
#define DEL 0x7f
@ -516,6 +517,7 @@ void uart_console_isr(struct device *unused)
/* Handle special control characters */
if (!isprint(byte)) {
switch (byte) {
case BS:
case DEL:
if (cur > 0) {
del_char(&cmd->line[--cur], end);