[PATCH]: 1061d518be adapter/jlink: Allow to determine the target power state

[gerrit]

This is an automated email from Gerrit.

"zapb <d...@zapb.de>" just uploaded a new patch set to Gerrit, which you can 
find at https://review.openocd.org/c/openocd/+/8417

-- gerrit

commit 1061d518be7f9fed455d4de76d70fb173d056a31
Author: Marc Schink <d...@zapb.de>
Date:   Wed Jul 24 20:39:57 2024 +0200

    adapter/jlink: Allow to determine the target power state
    
    Change-Id: I0b4f543e0ba0e48c43f78e32e4fa41d7dec9d7b8
    Signed-off-by: Marc Schink <d...@zapb.de>

diff --git a/src/jtag/drivers/jlink.c b/src/jtag/drivers/jlink.c
index f9b500e6bf..a94f3a4aba 100644
--- a/src/jtag/drivers/jlink.c
+++ b/src/jtag/drivers/jlink.c
@@ -1069,7 +1069,7 @@ COMMAND_HANDLER(jlink_handle_jlink_jtag_command)
 
 COMMAND_HANDLER(jlink_handle_target_power_command)
 {
-       if (CMD_ARGC != 1)
+       if (CMD_ARGC > 1)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
        if (!jaylink_has_cap(caps, JAYLINK_DEV_CAP_SET_TARGET_POWER)) {
@@ -1078,6 +1078,20 @@ COMMAND_HANDLER(jlink_handle_target_power_command)
                return ERROR_OK;
        }
 
+       if (!CMD_ARGC) {
+               uint32_t state;
+               int ret = jaylink_get_hardware_info(devh, 
JAYLINK_HW_INFO_TARGET_POWER,
+                       &state);
+
+               if (ret != JAYLINK_OK) {
+                       command_print(CMD, "Failed to retrieve target power 
state");
+                       return ERROR_FAIL;
+               }
+
+               command_print(CMD, "%d", (bool)state);
+               return ERROR_OK;
+       }
+
        bool enable;
        COMMAND_PARSE_ON_OFF(CMD_ARGV[0], enable);
 
@@ -1859,7 +1873,7 @@ static const struct command_registration 
jlink_subcommand_handlers[] = {
                .handler = &jlink_handle_target_power_command,
                .mode = COMMAND_EXEC,
                .help = "set the target power supply",
-               .usage = "<0|1|on|off>"
+               .usage = "[0|1|on|off]"
        },
        {
                .name = "freemem",

--