serial: add support for optional "RX chunk" callback

[libsigrok.git] / src / libsigrok-internal.h

diff --git a/src/libsigrok-internal.h b/src/libsigrok-internal.h
index fcb0527a22f43f5473594052d1a79cf44b7d88b5..9a34ba169a84863e0dffb382d2c0688c27ec724a 100644 (file)
--- a/src/libsigrok-internal.h
+++ b/src/libsigrok-internal.h
@@ -732,6 +732,8 @@ struct sr_serial_dev_inst;
 struct ser_lib_functions;
 struct ser_hid_chip_functions;
 struct sr_bt_desc;
+typedef void (*serial_rx_chunk_callback)(struct sr_serial_dev_inst *serial,
+       void *cb_data, const void *buf, size_t count);
 struct sr_serial_dev_inst {
        /** Port name, e.g. '/dev/tty42'. */
        char *port;
@@ -745,6 +747,8 @@ struct sr_serial_dev_inst {
                int stop_bits;
        } comm_params;
        GString *rcv_buffer;
+       serial_rx_chunk_callback rx_chunk_cb_func;
+       void *rx_chunk_cb_data;
 #ifdef HAVE_LIBSERIALPORT
        /** libserialport port handle */
        struct sp_port *sp_data;
@@ -1159,6 +1163,8 @@ SR_PRIV int serial_read_blocking(struct sr_serial_dev_inst *serial, void *buf,
                size_t count, unsigned int timeout_ms);
 SR_PRIV int serial_read_nonblocking(struct sr_serial_dev_inst *serial, void *buf,
                size_t count);
+SR_PRIV int serial_set_read_chunk_cb(struct sr_serial_dev_inst *serial,
+               serial_rx_chunk_callback cb, void *cb_data);
 SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
                int bits, int parity, int stopbits, int flowcontrol, int rts, int dtr);
 SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial,