X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=test-modbus%2Fclient%2Ftry.c;h=989067721833f1e2ad8abc8acb11a377db19bd3f;hb=HEAD;hp=e77adc72f4add0e41bcb04447dd6326dc2ff9ced;hpb=f8c650828fe1cedb50bc66b636ab76756ec67837;p=home-hw.git

diff --git a/test-modbus/client/try.c b/test-modbus/client/try.c
index e77adc7..9890677 100644
--- a/test-modbus/client/try.c
+++ b/test-modbus/client/try.c
@@ -7,7 +7,7 @@
 
 int main(void)
 {
-	modbus_t *mb = modbus_new_rtu("/dev/ttyUSB0", 19200, 'N', 8, 1);
+	modbus_t *mb = modbus_new_rtu("/dev/ttyUSB1", 19200, 'E', 8, 1);
 	if (!mb)
 		die("Cannot open modbus");
 
@@ -18,12 +18,32 @@ int main(void)
 	if (modbus_set_slave(mb, 42) < 0)
 		die("Cannot set slave address");
 
+	modbus_set_debug(mb, 1);
+
+#if 1
 	u16 dest;
 	rc = modbus_read_registers(mb, 0, 1, &dest);
 	if (rc < 0)
 		die("Cannot read: %s", modbus_strerror(errno));
-
 	printf("%04x\n", dest);
+#endif
+
+#if 0
+	byte rr[] = { 42, 0x2b, 0x0e, 0x04, 0x00 };
+	// byte rr[] = { 42, 0x03, 0x00, 0x00, 0x00, 0x10 };
+	rc = modbus_send_raw_request(mb, rr, sizeof(rr));
+	if (rc < 0)
+		die("Cannot send raw request: %s", modbus_strerror(errno));
+
+	byte rp[256];
+	rc = modbus_receive_confirmation(mb, rp);
+	if (rc < 0)
+		die("Cannot receive confirmation: %s", modbus_strerror(errno));
+
+	for (int i=0; i<rc; i++)
+		printf("%02x ", rp[i]);
+	putchar('\n');
+#endif
 
 	modbus_close(mb);
 	modbus_free(mb);