1 files changed, 37 insertions, 0 deletions
diff --git a/recipes-support/libmodbus/libmodbus/libmodbus_send_raw_message_tid.patch b/recipes-support/libmodbus/libmodbus/libmodbus_send_raw_message_tid.patch
new file mode 100644
index 0000000..069f4f2
--- /dev/null
+++ b/recipes-support/libmodbus/libmodbus/libmodbus_send_raw_message_tid.patch
@@ -0,0 +1,37 @@
+diff --git a/src/modbus.c b/src/modbus.c
+index 68a28a3..4810cfe 100644
+--- a/src/modbus.c
++++ b/src/modbus.c
+@@ -208,6 +208,11 @@ static int send_msg(modbus_t *ctx, uint8_t *msg, int msg_length)
+ }
+ 
+ int modbus_send_raw_request(modbus_t *ctx, const uint8_t *raw_req, int raw_req_length)
++{
++	return modbus_send_raw_request_tid(ctx, raw_req, raw_req_length, 0);
++}
++
++int modbus_send_raw_request_tid(modbus_t *ctx, const uint8_t *raw_req, int raw_req_length, int tid)
+ {
+     sft_t sft;
+     uint8_t req[MAX_MESSAGE_LENGTH];
+@@ -229,7 +234,7 @@ int modbus_send_raw_request(modbus_t *ctx, const uint8_t *raw_req, int raw_req_l
+     sft.slave = raw_req[0];
+     sft.function = raw_req[1];
+     /* The t_id is left to zero */
+-    sft.t_id = 0;
++    sft.t_id = tid;
+     /* This response function only set the header so it's convenient here */
+     req_length = ctx->backend->build_response_basis(&sft, req);
+ 
+diff --git a/src/modbus.h b/src/modbus.h
+index fbe20bc..8b3c675 100644
+--- a/src/modbus.h
++++ b/src/modbus.h
+@@ -228,6 +228,7 @@ MODBUS_API modbus_mapping_t* modbus_mapping_new(int nb_bits, int nb_input_bits,
+ MODBUS_API void modbus_mapping_free(modbus_mapping_t *mb_mapping);
+ 
+ MODBUS_API int modbus_send_raw_request(modbus_t *ctx, const uint8_t *raw_req, int raw_req_length);
++MODBUS_API int modbus_send_raw_request_tid(modbus_t *ctx, const uint8_t *raw_req, int raw_req_length, int tid);
+ 
+ MODBUS_API int modbus_receive(modbus_t *ctx, uint8_t *req);
+