BLAHAJ
/
libsigrok
10
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

sr: fx2lafw: Consistency fixes.

This commit is contained in:
Uwe Hermann 2012-03-29 08:55:12 +02:00
parent 01c3e9dbd5
commit da68656857
1 changed files with 30 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
hardware/fx2lafw/fx2lafw.c
View File

@ -53,7 +53,7 @@ static const struct fx2lafw_profile supported_fx2[] = {
{ 0, 0, 0, 0, 0, 0, 0 }
};
static int fx2lafw_capabilities[] = {
static int hwcaps[] = {
SR_HWCAP_LOGIC_ANALYZER,
SR_HWCAP_SAMPLERATE,
@ -63,7 +63,10 @@ static int fx2lafw_capabilities[] = {
0,
};
static const char *fx2lafw_probe_names[] = {
/*
* TODO: Different probe_names[] for each supported device.
*/
static const char *probe_names[] = {
"0",
"1",
"2",
@ -98,7 +101,7 @@ static GSList *dev_insts = NULL;
static libusb_context *usb_context = NULL;
static int hw_dev_config_set(int dev_index, int hwcap, void *value);
static int hw_dev_acquisition_stop(int dev_index, void *session_dev_id);
static int hw_dev_acquisition_stop(int dev_index, void *cb_data);
/**
* Check the USB configuration to determine if this is an fx2lafw device.
@ -114,39 +117,37 @@ static gboolean check_conf_profile(libusb_device *dev)
gboolean ret = FALSE;
while (!ret) {
/* Assume the firmware has not been loaded, unless proven wrong. */
ret = 0;
/* Assume the FW has not been loaded, unless proven wrong. */
ret = FALSE;
if (libusb_get_device_descriptor(dev, &des) != 0)
break;
/* Need exactly 1 configuration. */
if (des.bNumConfigurations != 1)
/* Need exactly 1 configuration. */
break;
if (libusb_get_config_descriptor(dev, 0, &conf_dsc) != 0)
break;
/* Need exactly 1 interface. */
if (conf_dsc->bNumInterfaces != 1)
/* Need exactly 1 interface. */
break;
/* Need just one alternate setting. */
if (conf_dsc->interface[0].num_altsetting != 1)
/* Need just one alternate setting. */
break;
/* Need exactly 2 endpoints. */
intf_dsc = &(conf_dsc->interface[0].altsetting[0]);
if (intf_dsc->bNumEndpoints != 2)
/* Need exactly 2 end points. */
break;
/* The first endpoint should be 2 (inbound). */
if ((intf_dsc->endpoint[0].bEndpointAddress & 0x8f) !=
(2 | LIBUSB_ENDPOINT_IN)) // 0x82
/* The first endpoint should be 2 (inbound). */
(2 | LIBUSB_ENDPOINT_IN))
break;
/* TODO: Check the debug channel... */
/* If we made it here, it must be an fx2lafw. */
ret = TRUE;
}
@ -157,7 +158,7 @@ static gboolean check_conf_profile(libusb_device *dev)
return ret;
}
static int fx2lafw_open_dev(int dev_index)
static int fx2lafw_dev_open(int dev_index)
{
libusb_device **devlist;
struct libusb_device_descriptor des;
@ -291,7 +292,7 @@ static int configure_probes(struct context *ctx, GSList *probes)
return SR_OK;
}
static struct context *fx2lafw_device_new(void)
static struct context *fx2lafw_dev_new(void)
{
struct context *ctx;
@ -309,11 +310,11 @@ static struct context *fx2lafw_device_new(void)
* API callbacks
*/
static int hw_init(const char *deviceinfo)
static int hw_init(const char *devinfo)
{
struct sr_dev_inst *sdi;
struct libusb_device_descriptor des;
const struct fx2lafw_profile *fx2lafw_prof;
const struct fx2lafw_profile *prof;
struct context *ctx;
libusb_device **devlist;
int ret;
@ -321,7 +322,7 @@ static int hw_init(const char *deviceinfo)
int i, j;
/* Avoid compiler warnings. */
(void)deviceinfo;
(void)devinfo;
if (libusb_init(&usb_context) != 0) {
sr_warn("fx2lafw: Failed to initialize libusb.");
@ -338,26 +339,25 @@ static int hw_init(const char *deviceinfo)
continue;
}
fx2lafw_prof = NULL;
prof = NULL;
for (j = 0; supported_fx2[j].vid; j++) {
if (des.idVendor == supported_fx2[j].vid &&
des.idProduct == supported_fx2[j].pid) {
fx2lafw_prof = &supported_fx2[j];
prof = &supported_fx2[j];
}
}
/* Skip if the device was not found */
if (!fx2lafw_prof)
if (!prof)
continue;
sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING,
fx2lafw_prof->vendor, fx2lafw_prof->model,
fx2lafw_prof->model_version);
prof->vendor, prof->model, prof->model_version);
if (!sdi)
return 0;
ctx = fx2lafw_device_new();
ctx->profile = fx2lafw_prof;
ctx = fx2lafw_dev_new();
ctx->profile = prof;
sdi->priv = ctx;
dev_insts = g_slist_append(dev_insts, sdi);
@ -370,7 +370,7 @@ static int hw_init(const char *deviceinfo)
libusb_get_device_address(devlist[i]), NULL);
} else {
if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION,
fx2lafw_prof->firmware) == SR_OK)
prof->firmware) == SR_OK)
/* Remember when the firmware on this device was updated */
g_get_current_time(&ctx->fw_updated);
else
@ -409,7 +409,7 @@ static int hw_dev_open(int dev_index)
g_usleep(300 * 1000);
timediff = 0;
while (timediff < MAX_RENUM_DELAY) {
if ((ret = fx2lafw_open_dev(dev_index)) == SR_OK)
if ((ret = fx2lafw_dev_open(dev_index)) == SR_OK)
break;
g_usleep(100 * 1000);
g_get_current_time(&cur_time);
@ -417,7 +417,7 @@ static int hw_dev_open(int dev_index)
}
sr_info("fx2lafw: Device came back after %d ms.", timediff);
} else {
ret = fx2lafw_open_dev(dev_index);
ret = fx2lafw_dev_open(dev_index);
}
if (ret != SR_OK) {
@ -509,7 +509,7 @@ static void *hw_dev_info_get(int dev_index, int dev_info_id)
case SR_DI_NUM_PROBES:
return GINT_TO_POINTER(ctx->profile->num_probes);
case SR_DI_PROBE_NAMES:
return fx2lafw_probe_names;
return probe_names;
case SR_DI_SAMPLERATES:
return &samplerates;
case SR_DI_TRIGGER_TYPES:
@ -534,7 +534,7 @@ static int hw_dev_status_get(int dev_index)
static int *hw_hwcap_get_all(void)
{
return fx2lafw_capabilities;
return hwcaps;
}
static int hw_dev_config_set(int dev_index, int hwcap, void *value)