Add support for the Tenma 72-7750 (UNI-T UT60G rebadge).

README.devices

@@ -295,6 +295,7 @@ a short list for convenience:
  - PCE PCE-DM32: Briefly press the "RS232" button.
  - RadioShack 22-812: Press and hold "SELECT" and "RANGE" together.
  - TekPower TP4000ZC: Briefly press the "RS232" button.
+ - Tenma 72-7750: Briefly press the "RS232C" button.
  - UNI-T UT60G: Briefly press the "RS232C" button.
  - UNI-T UT61B/C/D: Press the "REL/RS232/USB" button for roughly 1 second.
  - UNI-T UT325: Briefly press the "SEND" button (as per manual). However, it

hardware/serial-dmm/api.c

@@ -70,6 +70,7 @@ SR_PRIV struct sr_dev_driver uni_t_ut61c_ser_driver_info;
 SR_PRIV struct sr_dev_driver uni_t_ut61d_ser_driver_info;
 SR_PRIV struct sr_dev_driver uni_t_ut61e_ser_driver_info;
 SR_PRIV struct sr_dev_driver iso_tech_idm103n_driver_info;
+SR_PRIV struct sr_dev_driver tenma_72_7750_ser_driver_info;
 
 SR_PRIV struct dmm_info dmms[] = {
 	{
@@ -283,6 +284,14 @@ SR_PRIV struct dmm_info dmms[] = {
 		sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse, NULL,
 		&iso_tech_idm103n_driver_info, receive_data_ISO_TECH_IDM103N,
 	},
+	{
+		/* Note: ES51986 baudrate is actually 19230! */
+		"Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
+		19200, ES519XX_11B_PACKET_SIZE, NULL,
+		sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
+		NULL,
+		&tenma_72_7750_ser_driver_info, receive_data_TENMA_72_7750_SER,
+	},
 };
 
 static int dev_clear(int dmm)
@@ -591,3 +600,4 @@ DRV(uni_t_ut61c_ser, UNI_T_UT61C_SER, "uni-t-ut61c-ser", "UNI-T UT61C (UT-D02 ca
 DRV(uni_t_ut61d_ser, UNI_T_UT61D_SER, "uni-t-ut61d-ser", "UNI-T UT61D (UT-D02 cable)")
 DRV(uni_t_ut61e_ser, UNI_T_UT61E_SER, "uni-t-ut61e-ser", "UNI-T UT61E (UT-D02 cable)")
 DRV(iso_tech_idm103n, ISO_TECH_IDM103N, "iso-tech-idm103n", "ISO-TECH IDM103N")
+DRV(tenma_72_7750_ser, TENMA_72_7750_SER, "tenma-72-7750-ser", "Tenma 72-7750 (UT-D02 cable)")

hardware/serial-dmm/protocol.c

@@ -189,3 +189,4 @@ RECEIVE_DATA(UNI_T_UT61C_SER, fs9922)
 RECEIVE_DATA(UNI_T_UT61D_SER, fs9922)
 RECEIVE_DATA(UNI_T_UT61E_SER, es519xx)
 RECEIVE_DATA(ISO_TECH_IDM103N, es519xx)
+RECEIVE_DATA(TENMA_72_7750_SER, es519xx)

hardware/serial-dmm/protocol.h

@@ -53,9 +53,10 @@ enum {
 	UNI_T_UT61D_SER,
 	UNI_T_UT61E_SER,
 	ISO_TECH_IDM103N,
+	TENMA_72_7750_SER,
 };
 
-#define DMM_COUNT 29
+#define DMM_COUNT 30
 
 struct dmm_info {
 	/** Manufacturer/brand. */
@@ -137,5 +138,6 @@ SR_PRIV int receive_data_UNI_T_UT61C_SER(int fd, int revents, void *cb_data);
 SR_PRIV int receive_data_UNI_T_UT61D_SER(int fd, int revents, void *cb_data);
 SR_PRIV int receive_data_UNI_T_UT61E_SER(int fd, int revents, void *cb_data);
 SR_PRIV int receive_data_ISO_TECH_IDM103N(int fd, int revents, void *cb_data);
+SR_PRIV int receive_data_TENMA_72_7750_SER(int fd, int revents, void *cb_data);
 
 #endif

hardware/uni-t-dmm/api.c

@@ -49,6 +49,7 @@ SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
 SR_PRIV struct sr_dev_driver voltcraft_vc830_driver_info;
 SR_PRIV struct sr_dev_driver voltcraft_vc840_driver_info;
 SR_PRIV struct sr_dev_driver tenma_72_7745_driver_info;
+SR_PRIV struct sr_dev_driver tenma_72_7750_driver_info;
 
 SR_PRIV struct dmm_info udmms[] = {
 	{
@@ -73,15 +74,7 @@ SR_PRIV struct dmm_info udmms[] = {
 		&uni_t_ut60e_driver_info, receive_data_UNI_T_UT60E,
 	},
 	{
-		/*
+		/* The baudrate is actually 19230, see "Note 1" below. */
-		 * Important: The actual baudrate of the Cyrustek ES51986 chip
-		 * used in this DMM is 19230. However, the WCH CH9325 chip
-		 * (UART to USB/HID) used in (some versions of) the UNI-T
-		 * UT-D04 cable doesn't support 19230 baud. It only supports
-		 * 19200, and setting an unsupported baudrate will result in
-		 * the default of 2400 being used (which will not work with
-		 * this DMM, of course).
-		 */
 		"UNI-T", "UT60G", 19200,
 		ES519XX_11B_PACKET_SIZE,
 		sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
@@ -110,15 +103,7 @@ SR_PRIV struct dmm_info udmms[] = {
 		&uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D,
 	},
 	{
-		/*
+		/* The baudrate is actually 19230, see "Note 1" below. */
-		 * Important: The actual baudrate of the Cyrustek ES51922 chip
-		 * used in this DMM is 19230. However, the WCH CH9325 chip
-		 * (UART to USB/HID) used in (some versions of) the UNI-T
-		 * UT-D04 cable doesn't support 19230 baud. It only supports
-		 * 19200, and setting an unsupported baudrate will result in
-		 * the default of 2400 being used (which will not work with
-		 * this DMM, of course).
-		 */
 		"UNI-T", "UT61E", 19200,
 		ES519XX_14B_PACKET_SIZE,
 		sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
@@ -156,12 +141,26 @@ SR_PRIV struct dmm_info udmms[] = {
 		FS9721_PACKET_SIZE,
 		sr_fs9721_packet_valid, sr_fs9721_parse,
 		sr_fs9721_00_temp_c,
-		&tenma_72_7745_driver_info,
+		&tenma_72_7745_driver_info, receive_data_TENMA_72_7745,
-		/* This is a basic rebadge of the UT60E. */
+	},
-		receive_data_UNI_T_UT60E,
+	{
+		/* The baudrate is actually 19230, see "Note 1" below. */
+		"Tenma", "72-7750", 19200,
+		ES519XX_11B_PACKET_SIZE,
+		sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
+		NULL,
+		&tenma_72_7750_driver_info, receive_data_TENMA_72_7750,
 	},
 };
 
+/*
+ * Note 1: The actual baudrate of the Cyrustek ES519xx chip used in this DMM
+ * is 19230. However, the WCH CH9325 chip (UART to USB/HID) used in (some
+ * versions of) the UNI-T UT-D04 cable doesn't support 19230 baud. It only
+ * supports 19200, and setting an unsupported baudrate will result in the
+ * default of 2400 being used (which will not work with this DMM, of course).
+ */
+
 static int dev_clear(int dmm)
 {
 	return std_dev_clear(udmms[dmm].di, NULL);
@@ -425,3 +424,4 @@ DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820")
 DRV(voltcraft_vc830, VOLTCRAFT_VC830, "voltcraft-vc830", "Voltcraft VC-830")
 DRV(voltcraft_vc840, VOLTCRAFT_VC840, "voltcraft-vc840", "Voltcraft VC-840")
 DRV(tenma_72_7745, TENMA_72_7745, "tenma-72-7745", "Tenma 72-7745")
+DRV(tenma_72_7750, TENMA_72_7750, "tenma-72-7750", "Tenma 72-7750")

hardware/uni-t-dmm/protocol.c

@@ -311,3 +311,5 @@ RECEIVE_DATA(UNI_T_UT61E, es519xx)
 RECEIVE_DATA(VOLTCRAFT_VC820, fs9721)
 RECEIVE_DATA(VOLTCRAFT_VC830, fs9922)
 RECEIVE_DATA(VOLTCRAFT_VC840, fs9721)
+RECEIVE_DATA(TENMA_72_7745, es519xx)
+RECEIVE_DATA(TENMA_72_7750, es519xx)

hardware/uni-t-dmm/protocol.h

@@ -42,6 +42,7 @@ enum {
 	VOLTCRAFT_VC830,
 	VOLTCRAFT_VC840,
 	TENMA_72_7745,
+	TENMA_72_7750,
 };
 
 struct dmm_info {
@@ -95,5 +96,7 @@ SR_PRIV int receive_data_UNI_T_UT61E(int fd, int revents, void *cb_data);
 SR_PRIV int receive_data_VOLTCRAFT_VC820(int fd, int revents, void *cb_data);
 SR_PRIV int receive_data_VOLTCRAFT_VC830(int fd, int revents, void *cb_data);
 SR_PRIV int receive_data_VOLTCRAFT_VC840(int fd, int revents, void *cb_data);
+SR_PRIV int receive_data_TENMA_72_7745(int fd, int revents, void *cb_data);
+SR_PRIV int receive_data_TENMA_72_7750(int fd, int revents, void *cb_data);
 
 #endif

hwdriver.c

@@ -226,6 +226,7 @@ extern SR_PRIV struct sr_dev_driver uni_t_ut61c_ser_driver_info;
 extern SR_PRIV struct sr_dev_driver uni_t_ut61d_ser_driver_info;
 extern SR_PRIV struct sr_dev_driver uni_t_ut61e_ser_driver_info;
 extern SR_PRIV struct sr_dev_driver iso_tech_idm103n_driver_info;
+extern SR_PRIV struct sr_dev_driver tenma_72_7750_ser_driver_info;
 #endif
 #ifdef HAVE_HW_UNI_T_DMM
 extern SR_PRIV struct sr_dev_driver tecpel_dmm_8061_driver_info;
@@ -240,6 +241,7 @@ extern SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
 extern SR_PRIV struct sr_dev_driver voltcraft_vc830_driver_info;
 extern SR_PRIV struct sr_dev_driver voltcraft_vc840_driver_info;
 extern SR_PRIV struct sr_dev_driver tenma_72_7745_driver_info;
+extern SR_PRIV struct sr_dev_driver tenma_72_7750_driver_info;
 #endif
 /** @endcond */
 
@@ -366,6 +368,8 @@ static struct sr_dev_driver *drivers_list[] = {
 	&uni_t_ut61d_ser_driver_info,
 	&uni_t_ut61e_ser_driver_info,
 	&iso_tech_idm103n_driver_info,
+	&tenma_72_7745_ser_driver_info,
+	&tenma_72_7750_ser_driver_info,
 #endif
 #ifdef HAVE_HW_UNI_T_DMM
 	&tecpel_dmm_8061_driver_info,
@@ -380,6 +384,7 @@ static struct sr_dev_driver *drivers_list[] = {
 	&voltcraft_vc830_driver_info,
 	&voltcraft_vc840_driver_info,
 	&tenma_72_7745_driver_info,
+	&tenma_72_7750_driver_info,
 #endif
 	NULL,
 };