This command is available for write requests command and it can specify
bytes count with specific value.
e.g. command: write-value 0x0001 bytes 0 100
will write 100 zero bytes to handle 0x0001
---
tools/btgatt-client.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/tools/btgatt-client.c b/tools/btgatt-client.c
index c4311d067..b7a23ac9b 100644
--- a/tools/btgatt-client.c
+++ b/tools/btgatt-client.c
@@ -669,6 +669,23 @@ static uint8_t *read_bytes(char **argv, int *length)
int i, byte;
uint8_t *value;
char *endptr = NULL;
+ bool use_bytes = false;
+
+ if (*length == 3 && !strcmp(argv[i], "bytes")) {
+ byte = strtol(argv[i+1], &endptr, 0);
+ if (endptr == argv[i+1] || *endptr != '\0'
+ || errno == ERANGE || byte < 0 || byte > 255) {
+ error("Invalid bytes value: %s", argv[i+1]);
+ return NULL;
+ }
+ *length = strtol(argv[i+2], &endptr, 0);
+ if (endptr == argv[i+2] || *endptr != '\0'
+ || errno == ERANGE) {
+ error("Invalid bytes count: %s", argv[i+2]);
+ return NULL;
+ }
+ use_bytes = true;
+ }
if (*length <= 0) {
error("Nothing to write");
@@ -685,6 +702,11 @@ static uint8_t *read_bytes(char **argv, int *length)
return NULL;
}
+ if (use_bytes) {
+ memset(value, byte, *length);
+ return value;
+ }
+
for (i = 0; i < *length; i++) {
byte = strtol(argv[i], &endptr, 0);
if (endptr == argv[i] || *endptr != '\0'
@@ -1194,22 +1216,28 @@ static const struct bt_shell_menu main_menu = {
"Options:\n"
"\t-w, --without-response\tWrite without response\n"
"\t-s, --signed-write\tSigned write command\n"
+ "\tbytes <value> <count>\tWrite specified number of bytes with value\n"
"e.g.:\n"
"\twrite-value 0x0001 00 01 00"
+ "\twrite-value 0x0001 bytes 0 100"
},
{ "write-long-value", "[-r] <value_handle> <offset>",
cmd_write_long_value, "Write long characteristic or descriptor value\n"
"Options:\n"
"\t-r, --reliable-write\tReliable write\n"
+ "\tbytes <value> <count>\tWrite specified number of bytes with value\n"
"e.g.:\n"
"\twrite-long-value 0x0001 0 00 01 00"
+ "\twrite-long-value 0x0001 0 bytes 0 100"
},
{ "write-prepare", " [options...] <value_handle> <value>",
cmd_write_prepare, "Write prepare characteristic or descriptor value\n"
"Options:\n"
"\t-s, --session-id\tSession id\n"
+ "\tbytes <value> <count>\tWrite specified number of bytes with value\n"
"e.g.:\n"
"\twrite-prepare -s 1 0x0001 00 01 00"
+ "\twrite-prepare -s 1 0x0001 bytes 0 100"
},
{ "write-execute", " <session_id> <execute>",
cmd_write_execute, "Execute already prepared write" },
--
2.34.1
