jackcartersmith/blackmagic
1
0
Fork 0
Code Issues Pull Requests Releases Activity

cmsis-dap: Get the firmware version.

Browse Source
This commit is contained in:
Uwe Bonnes 2021-02-12 17:31:29 +01:00 committed by UweBonnes
parent 7859a2aabd
commit e6a9a1a366
1 changed files with 25 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
src/platforms/hosted/cmsis_dap.c
View File

@ -1,7 +1,7 @@
/* /*
* This file is part of the Black Magic Debug project. * This file is part of the Black Magic Debug project.
* *
* Copyright (C) 2019-20 Uwe Bonnes <bon@elektron,ikp.physik.tu-darmstadt.de> * Copyright (C) 2019-2021 Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
* *
* This program is free software: you can redistribute it and/or modify * This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -49,10 +49,11 @@ uint8_t mode;
static hid_device *handle = NULL; static hid_device *handle = NULL;
static uint8_t hid_buffer[1024 + 1]; static uint8_t hid_buffer[1024 + 1];
static int report_size = 64 + 1; // TODO: read actual report size static int report_size = 64 + 1; // TODO: read actual report size
static bool has_swd_sequence = false;
/* LPC845 Breakout Board Rev. 0 report invalid response with > 65 bytes */ /* LPC845 Breakout Board Rev. 0 report invalid response with > 65 bytes */
int dap_init(bmp_info_t *info) int dap_init(bmp_info_t *info)
{ {
DEBUG_INFO("dap_init\n");
if (hid_init()) if (hid_init())
return -1; return -1;
int size = strlen(info->serial); int size = strlen(info->serial);
@ -71,17 +72,32 @@ int dap_init(bmp_info_t *info)
if (!handle) if (!handle)
return -1; return -1;
dap_disconnect(); dap_disconnect();
size = dap_info(DAP_INFO_FW_VER, hid_buffer, sizeof(hid_buffer));
if (size) {
DEBUG_INFO("Ver %s, ", hid_buffer);
int major = -1, minor = -1, sub = -1;
if (sscanf((const char *)hid_buffer, "%d.%d.%d",
&major, &minor, &sub)) {
if (sub == -1) {
if (minor > 10) {
minor /= 10;
sub = 0;
}
}
has_swd_sequence = ((major > 0 ) && (minor > 1));
}
}
size = dap_info(DAP_INFO_CAPABILITIES, hid_buffer, sizeof(hid_buffer)); size = dap_info(DAP_INFO_CAPABILITIES, hid_buffer, sizeof(hid_buffer));
dap_caps = hid_buffer[0]; dap_caps = hid_buffer[0];
DEBUG_INFO(" Cap (0x%2x): %s%s%s", hid_buffer[0], DEBUG_INFO("Cap (0x%2x): %s%s%s", dap_caps,
(hid_buffer[0] & 1)? "SWD" : "", (dap_caps & 1)? "SWD" : "",
((hid_buffer[0] & 3) == 3) ? "/" : "", ((dap_caps & 3) == 3) ? "/" : "",
(hid_buffer[0] & 2)? "JTAG" : ""); (dap_caps & 2)? "JTAG" : "");
if (hid_buffer[0] & 4) if (dap_caps & 4)
DEBUG_INFO(", SWO_UART"); DEBUG_INFO(", SWO_UART");
if (hid_buffer[0] & 8) if (dap_caps & 8)
DEBUG_INFO(", SWO_MANCHESTER"); DEBUG_INFO(", SWO_MANCHESTER");
if (hid_buffer[0] & 0x10) if (dap_caps & 0x10)
DEBUG_INFO(", Atomic Cmds"); DEBUG_INFO(", Atomic Cmds");
DEBUG_INFO("\n"); DEBUG_INFO("\n");
return 0; return 0;