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stlink: code factorization by introducing stlink_usb_exit_mode 

Change-Id: I4abd6432c4ef969e382bfed96cd19a49d9610000
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: http://openocd.zylin.com/5612
Tested-by: jenkins
This commit is contained in:
Tarek BOCHKATI 2020-04-27 13:09:27 +01:00 committed by Antonio Borneo
parent 9a690c6bdb
commit bd6072072e
1 changed files with 24 additions and 43 deletions
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67
src/jtag/drivers/stlink_usb.c
View File

@ -1303,12 +1303,11 @@ static enum stlink_mode stlink_get_mode(enum hl_transports t)
}
/** */
static int stlink_usb_init_mode(void *handle, bool connect_under_reset, int initial_interface_speed)
static int stlink_usb_exit_mode(void *handle)
{
int res;
uint8_t mode;
enum stlink_mode emode;
struct stlink_usb_handle_s *h = handle;
assert(handle != NULL);
@ -1337,12 +1336,25 @@ static int stlink_usb_init_mode(void *handle, bool connect_under_reset, int init
break;
}
if (emode != STLINK_MODE_UNKNOWN) {
res = stlink_usb_mode_leave(handle, emode);
if (emode != STLINK_MODE_UNKNOWN)
return stlink_usb_mode_leave(handle, emode);
if (res != ERROR_OK)
return res;
}
return ERROR_OK;
}
/** */
static int stlink_usb_init_mode(void *handle, bool connect_under_reset, int initial_interface_speed)
{
int res;
uint8_t mode;
enum stlink_mode emode;
struct stlink_usb_handle_s *h = handle;
assert(handle != NULL);
res = stlink_usb_exit_mode(handle);
if (res != ERROR_OK)
return res;
res = stlink_usb_current_mode(handle, &mode);
@ -2683,45 +2695,14 @@ static int stlink_speed(void *handle, int khz, bool query)
/** */
static int stlink_usb_close(void *handle)
{
int res;
uint8_t mode;
enum stlink_mode emode;
struct stlink_usb_handle_s *h = handle;
if (h && h->fd)
res = stlink_usb_current_mode(handle, &mode);
else
res = ERROR_FAIL;
/* do not exit if return code != ERROR_OK,
it prevents us from closing jtag_libusb */
if (res == ERROR_OK) {
/* try to exit current mode */
switch (mode) {
case STLINK_DEV_DFU_MODE:
emode = STLINK_MODE_DFU;
break;
case STLINK_DEV_DEBUG_MODE:
emode = STLINK_MODE_DEBUG_SWD;
break;
case STLINK_DEV_SWIM_MODE:
emode = STLINK_MODE_DEBUG_SWIM;
break;
case STLINK_DEV_BOOTLOADER_MODE:
case STLINK_DEV_MASS_MODE:
default:
emode = STLINK_MODE_UNKNOWN;
break;
}
if (emode != STLINK_MODE_UNKNOWN)
stlink_usb_mode_leave(handle, emode);
/* do not check return code, it prevent
us from closing jtag_libusb */
}
if (h && h->fd)
if (h && h->fd) {
stlink_usb_exit_mode(h);
/* do not check return code, it prevent
us from closing jtag_libusb */
jtag_libusb_close(h->fd);
}
free(h);