interesting
/
riscv-openocd
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

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
This commit is contained in:
Antonio Borneo 2020-04-04 19:47:09 +02:00
parent 9b32a06dad
commit 3e6f4f8b21
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/jtag/drivers/bitbang.c
View File

@ -394,6 +394,11 @@ static void bitbang_swd_exchange(bool rnw, uint8_t buf[], unsigned int offset, u
{ {
LOG_DEBUG("bitbang_swd_exchange"); 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++) { for (unsigned int i = offset; i < bit_cnt + offset; i++) {
int bytec = i/8; int bytec = i/8;
int bcval = 1 << (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); 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) static int bitbang_swd_switch_seq(enum swd_special_seq seq)