serial-dmm: comment nit on the UART bitrate for ES519xx chips

[libsigrok.git] / src / hardware / serial-dmm / api.c

diff --git a/src/hardware/serial-dmm/api.c b/src/hardware/serial-dmm/api.c
index 3c80ec212a88811ef2006aedd5627769acd6d24d..a9f9cff81fcac132c498d1112317c27a7e052eae 100644 (file)
--- a/src/hardware/serial-dmm/api.c
+++ b/src/hardware/serial-dmm/api.c
@@ -263,16 +263,20 @@ SR_REGISTER_DEV_DRIVER_LIST(serial_dmm_drivers,
                sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
                NULL
        ),
+       /*
+        * Note: ES51922 and ES51986 baudrate is actually 19230. This is
+        * "out" by .15%, and so is well within the typical 1% margin
+        * that is considered acceptable in UART communication, and thus
+        * should not cause an issue.
+        */
        DMM(
                "tenma-72-7750-ser", es519xx,
-               /* Note: ES51986 baudrate is actually 19230! */
                "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
                19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
                sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
                NULL
        ),
        DMM(
-               /* Note: ES51986 baudrate is actually 19230! */
                "uni-t-ut60g-ser", es519xx,
                "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
                19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
@@ -281,7 +285,6 @@ SR_REGISTER_DEV_DRIVER_LIST(serial_dmm_drivers,
        ),
        DMM(
                "uni-t-ut61e-ser", es519xx,
-               /* Note: ES51922 baudrate is actually 19230! */
                "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
                19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
                sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
@@ -422,36 +425,36 @@ SR_REGISTER_DEV_DRIVER_LIST(serial_dmm_drivers,
                NULL
        ),
        DMM(
-               "metex-me31", metex14,
-               "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
+               "mastech-mas345", metex14,
+               "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
                METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
                sr_metex14_packet_valid, sr_metex14_parse,
                NULL
        ),
        DMM(
-               "peaktech-3410", metex14,
-               "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
+               "metex-m3640d", metex14,
+               "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
                METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
                sr_metex14_packet_valid, sr_metex14_parse,
                NULL
        ),
        DMM(
-               "mastech-mas345", metex14,
-               "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
+               "metex-m4650cr", metex14,
+               "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
                METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
                sr_metex14_packet_valid, sr_metex14_parse,
                NULL
        ),
        DMM(
-               "metex-m3640d", metex14,
-               "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
+               "metex-me31", metex14,
+               "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
                METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
                sr_metex14_packet_valid, sr_metex14_parse,
                NULL
        ),
        DMM(
-               "metex-m4650cr", metex14,
-               "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
+               "peaktech-3410", metex14,
+               "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
                METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
                sr_metex14_packet_valid, sr_metex14_parse,
                NULL
@@ -506,7 +509,7 @@ SR_REGISTER_DEV_DRIVER_LIST(serial_dmm_drivers,
                NULL
        ),
        /* }}} */
-       /* meters based on other chips (to get sorted) */
+       /* rs9lcd based meters {{{ */
        DMM(
                "radioshack-22-812", rs9lcd,
                "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
@@ -514,27 +517,23 @@ SR_REGISTER_DEV_DRIVER_LIST(serial_dmm_drivers,
                sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
                NULL
        ),
+       /* }}} */
+       /* ut71x based meters {{{ */
        DMM(
-               "voltcraft-vc870-ser", vc870,
-               "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
-               9600, VC870_PACKET_SIZE, 0, 0, NULL,
-               sr_vc870_packet_valid, sr_vc870_parse, NULL
-       ),
-       DMM(
-               "voltcraft-vc920-ser", ut71x,
-               "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
+               "tenma-72-7730-ser", ut71x,
+               "Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
                2400, UT71X_PACKET_SIZE, 0, 0, NULL,
                sr_ut71x_packet_valid, sr_ut71x_parse, NULL
        ),
        DMM(
-               "voltcraft-vc940-ser", ut71x,
-               "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
+               "tenma-72-7732-ser", ut71x,
+               "Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
                2400, UT71X_PACKET_SIZE, 0, 0, NULL,
                sr_ut71x_packet_valid, sr_ut71x_parse, NULL
        ),
        DMM(
-               "voltcraft-vc960-ser", ut71x, 
-               "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
+               "tenma-72-9380a-ser", ut71x,
+               "Tenma", "72-9380A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
                2400, UT71X_PACKET_SIZE, 0, 0, NULL,
                sr_ut71x_packet_valid, sr_ut71x_parse, NULL
        ),
@@ -569,21 +568,33 @@ SR_REGISTER_DEV_DRIVER_LIST(serial_dmm_drivers,
                sr_ut71x_packet_valid, sr_ut71x_parse, NULL
        ),
        DMM(
-               "tenma-72-7730-ser", ut71x,
-               "Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
+               "voltcraft-vc920-ser", ut71x,
+               "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
                2400, UT71X_PACKET_SIZE, 0, 0, NULL,
                sr_ut71x_packet_valid, sr_ut71x_parse, NULL
        ),
        DMM(
-               "tenma-72-7732-ser", ut71x,
-               "Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
+               "voltcraft-vc940-ser", ut71x,
+               "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
                2400, UT71X_PACKET_SIZE, 0, 0, NULL,
                sr_ut71x_packet_valid, sr_ut71x_parse, NULL
        ),
        DMM(
-               "tenma-72-9380a-ser", ut71x,
-               "Tenma", "72-9380A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
+               "voltcraft-vc960-ser", ut71x,
+               "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
                2400, UT71X_PACKET_SIZE, 0, 0, NULL,
                sr_ut71x_packet_valid, sr_ut71x_parse, NULL
        ),
+       /* }}} */
+       /* vc870 based meters {{{ */
+       DMM(
+               "voltcraft-vc870-ser", vc870,
+               "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
+               9600, VC870_PACKET_SIZE, 0, 0, NULL,
+               sr_vc870_packet_valid, sr_vc870_parse, NULL
+       ),
+       /* }}} */
+       /*
+        * The list is sorted. Add new items in the respective chip's group.
+        */
 );