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pc-stlinkv2: StlinkV3 seems only to work with STM devices,

This commit is contained in:
Uwe Bonnes 2019-09-27 17:25:00 +02:00
parent 0599d2161c
commit 12a2659671
2 changed files with 15 additions and 6 deletions
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8
src/platforms/pc-stlinkv2/README.md
View File

@ -5,11 +5,13 @@ functionality that BMP needs. This branch implements blackmagic debug probe
for the STM Stlink as a proof of concept.
Use at your own risk, but report or better fix problems.
Run the resulting blackmagic_stlinkv2 executabel to start the gdb server
Run the resulting blackmagic_stlinkv2 executable to start the gdb server
CrosscCompling for windows with mingw succeeds.
Crosscompling for windows with mingw succeeds.
Drawback: JTAG does not work for chains with multiple devices.
Drawback:
- JTAG does not work for chains with multiple devices.
- STLinkV3 does only work on STM32 devices.
This branch may get forced push. In case of problems:
- git reset --hard master

13
src/platforms/pc-stlinkv2/stlinkv2.c
View File

@ -535,7 +535,7 @@ static int send_recv_retry(uint8_t *txbuf, size_t txsize,
gettimeofday(&now, NULL);
timersub(&now, &start, &diff);
if ((diff.tv_sec >= 1) || (res != STLINK_ERROR_WAIT)) {
DEBUG("write_retry failed");
DEBUG("write_retry failed. ");
return res;
}
}
@ -558,7 +558,7 @@ static int read_retry(uint8_t *txbuf, size_t txsize,
gettimeofday(&now, NULL);
timersub(&now, &start, &diff);
if ((diff.tv_sec >= 1) || (res != STLINK_ERROR_WAIT)) {
DEBUG("read_retry failed");
DEBUG("read_retry failed. ");
return res;
}
}
@ -1172,7 +1172,14 @@ bool adiv5_ap_setup(int ap)
uint8_t data[2];
send_recv_retry(cmd, 16, data, 2);
DEBUG_STLINK("Open AP %d\n", ap);
return (stlink_usb_error_check(data, true))? false: true;
int res = stlink_usb_error_check(data, true);
if (res) {
if (Stlink.ver_hw == 30) {
DEBUG("STLINKV3 only connects to STM8/32!\n");
}
return false;
}
return true;
}
void adiv5_ap_cleanup(int ap)