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gmc-mh-1x-2x: Support for interface SI232-II with driver gmc-mh-2x-bd232.

This commit is contained in:
Matthias Heidbrink 2014-02-09 18:13:49 +01:00 committed by Uwe Hermann
parent c90beca780
commit fadd07072b
3 changed files with 20 additions and 10 deletions
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14
README.devices
View File

@ -10,7 +10,7 @@ Firmware
--------
Some devices supported by libsigrok need a firmware to be uploaded every time
the device is connected to the PC (usually via USB), before it can be used.
the device is connected to the PC (usually via USB), before it can be used.
The default location where libsigrok expects the firmware files is:
@ -288,10 +288,16 @@ a short list for convenience:
interface panel on top.
- Digitek DT4000ZC: Briefly press the "RS232" button.
- Gossen Metrawatt Metrahit 1x/2x devices, driver gmc-mh-1x-2x-rs232:
Power on the device with the "DATA" button pressed. Additionally Metrahit
2x devices must be configured for the respective interface type.
- Power on the device with the "DATA" button pressed.
- Metrahit 2x devices must be configured for the respective interface type.
- Gossen Metrawatt Metrahit 2x devices, driver gmc-mh-2x-bd232:
The device must be configured for the respective interface type.
- 'BD232' interface:
The multimeter must be configured for the respective interface type.
- 'SI232-II' interface ("PC Mode"):
The multimeter must be configured for interface type 'BD232' (all),
'SI232 online' (28-29S) or 'SI232 store' (22-26x). The interface must
be configured to the same baud rate as the host (default 9600).
Multimeter and interface must be configured to the same address.
- Norma DM950: If the interface doesn't work (e.g. USB-RS232 converter), power
on the device with "FUNC" pressed (to power the interface from the DMM).
- PCE PCE-DM32: Briefly press the "RS232" button.

4
hardware/gmc-mh-1x-2x/api.c
View File

@ -436,13 +436,13 @@ static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
const struct sr_probe_group *probe_group)
{
int ret;
struct dev_context *devc;
(void)sdi;
(void)data;
(void)probe_group;
ret = SR_OK;
struct dev_context *devc;
(void)probe_group;
@ -621,7 +621,7 @@ SR_PRIV struct sr_dev_driver gmc_mh_1x_2x_rs232_driver_info = {
SR_PRIV struct sr_dev_driver gmc_mh_2x_bd232_driver_info = {
.name = "gmc-mh-2x-bd232",
.longname = "Gossen Metrawatt Metrahit 2x, 'BD232' interface",
.longname = "Gossen Metrawatt Metrahit 2x, 'BD232'/'SI232-II' interface",
.api_version = 1,
.init = init_2x_bd232,
.cleanup = cleanup_2x_bd232,

12
hardware/gmc-mh-1x-2x/protocol.c
View File

@ -1320,11 +1320,15 @@ int req_stat14(const struct sr_dev_inst *sdi, gboolean power_on)
if (power_on) {
sr_info("Write some data and wait 3s to turn on powered off device...");
if ((serial_write(serial, msg, sizeof(msg)) == -1) ||
(serial_write(serial, msg, sizeof(msg)) == -1) ||
(serial_write(serial, msg, sizeof(msg)) == -1))
if (serial_write(serial, msg, sizeof(msg)) < 0)
return SR_ERR;
g_usleep(3*1000*1000);
g_usleep(1*1000*1000);
if (serial_write(serial, msg, sizeof(msg)) < 0)
return SR_ERR;
g_usleep(1*1000*1000);
if (serial_write(serial, msg, sizeof(msg)) < 0)
return SR_ERR;
g_usleep(1*1000*1000);
serial_flush(serial);
}