drivers/bitbang: blink LED on SWD

The blinking was implemented for JTAG only.

Extend it to SWD.
There is no error check on SWD exchange. Add a FIXME for further
fix.

Change-Id: I42a6708c54b1eefaf691e0fe09ca58c42b2764fd
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/5771
Tested-by: jenkins

diff --git a/src/jtag/drivers/bitbang.c b/src/jtag/drivers/bitbang.c
index 4417e1258f03decb1bd6fc431dae2d6cc6e5b62f..2a78fa248e908d5074d831ed09d145dcaf2f2f33 100644 (file)
--- a/src/jtag/drivers/bitbang.c
+++ b/src/jtag/drivers/bitbang.c
@@ -394,6 +394,11 @@ static void bitbang_swd_exchange(bool rnw, uint8_t buf[], unsigned int offset, u
 {
        LOG_DEBUG("bitbang_swd_exchange");
 
+       if (bitbang_interface->blink) {
+               /* FIXME: we should manage errors */
+               bitbang_interface->blink(1);
+       }
+
        for (unsigned int i = offset; i < bit_cnt + offset; i++) {
                int bytec = i/8;
                int bcval = 1 << (i % 8);
@@ -410,6 +415,11 @@ static void bitbang_swd_exchange(bool rnw, uint8_t buf[], unsigned int offset, u
 
                bitbang_interface->swd_write(1, swdio);
        }
+
+       if (bitbang_interface->blink) {
+               /* FIXME: we should manage errors */
+               bitbang_interface->blink(0);
+       }
 }
 
 static int bitbang_swd_switch_seq(enum swd_special_seq seq)