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zeroplus-logic-cube: Use sr_dev_inst to store connection handle

This commit is contained in:
Bert Vermeulen 2013-04-22 15:00:04 +02:00
parent 459a0f2623
commit 609bfd753c
2 changed files with 42 additions and 35 deletions
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76
hardware/zeroplus-logic-cube/api.c
View File

@ -244,6 +244,7 @@ static int clear_instances(void)
struct sr_dev_inst *sdi;
struct drv_context *drvc;
struct dev_context *devc;
struct sr_usb_dev_inst *usb;
drvc = di->priv;
for (l = drvc->instances; l; l = l->next) {
@ -253,7 +254,8 @@ static int clear_instances(void)
sr_err("%s: sdi->priv was NULL, continuing", __func__);
continue;
}
sr_usb_dev_inst_free(devc->usb);
usb = sdi->conn;
sr_usb_dev_inst_free(usb);
/* Properly close all devices... */
hw_dev_close(sdi);
/* ...and free all their memory. */
@ -352,7 +354,7 @@ static GSList *hw_scan(GSList *options)
devices = g_slist_append(devices, sdi);
drvc->instances = g_slist_append(drvc->instances, sdi);
devc->usb = sr_usb_dev_inst_new(
sdi->conn = sr_usb_dev_inst_new(
libusb_get_bus_number(devlist[i]),
libusb_get_device_address(devlist[i]), NULL);
devcnt++;
@ -372,11 +374,13 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
{
struct dev_context *devc;
struct drv_context *drvc;
struct sr_usb_dev_inst *usb;
libusb_device **devlist, *dev;
struct libusb_device_descriptor des;
int device_count, ret, i;
drvc = di->priv;
usb = sdi->conn;
if (!(devc = sdi->priv)) {
sr_err("%s: sdi->priv was NULL", __func__);
@ -397,36 +401,35 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
libusb_error_name(ret));
continue;
}
if (libusb_get_bus_number(devlist[i]) == devc->usb->bus
&& libusb_get_device_address(devlist[i]) == devc->usb->address) {
if (libusb_get_bus_number(devlist[i]) == usb->bus
&& libusb_get_device_address(devlist[i]) == usb->address) {
dev = devlist[i];
break;
}
}
if (!dev) {
sr_err("Device on bus %d address %d disappeared!",
devc->usb->bus, devc->usb->address);
usb->bus, usb->address);
return SR_ERR;
}
if (!(ret = libusb_open(dev, &(devc->usb->devhdl)))) {
if (!(ret = libusb_open(dev, &(usb->devhdl)))) {
sdi->status = SR_ST_ACTIVE;
sr_info("Opened device %d on %d.%d interface %d.",
sdi->index, devc->usb->bus,
devc->usb->address, USB_INTERFACE);
sdi->index, usb->bus, usb->address, USB_INTERFACE);
} else {
sr_err("Failed to open device: %s.", libusb_error_name(ret));
return SR_ERR;
}
ret = libusb_set_configuration(devc->usb->devhdl, USB_CONFIGURATION);
ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION);
if (ret < 0) {
sr_err("Unable to set USB configuration %d: %s.",
USB_CONFIGURATION, libusb_error_name(ret));
return SR_ERR;
}
ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE);
ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
if (ret != 0) {
sr_err("Unable to claim interface: %s.",
libusb_error_name(ret));
@ -434,11 +437,11 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
}
/* Set default configuration after power on. */
if (analyzer_read_status(devc->usb->devhdl) == 0)
analyzer_configure(devc->usb->devhdl);
if (analyzer_read_status(usb->devhdl) == 0)
analyzer_configure(usb->devhdl);
analyzer_reset(devc->usb->devhdl);
analyzer_initialize(devc->usb->devhdl);
analyzer_reset(usb->devhdl);
analyzer_initialize(usb->devhdl);
//analyzer_set_memory_size(MEMORY_SIZE_512K);
// analyzer_set_freq(g_freq, g_freq_scale);
@ -466,19 +469,19 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
static int hw_dev_close(struct sr_dev_inst *sdi)
{
struct dev_context *devc;
struct sr_usb_dev_inst *usb;
devc = sdi->priv;
usb = sdi->conn;
if (!devc->usb->devhdl)
if (!usb->devhdl)
return SR_ERR;
sr_info("Closing device %d on %d.%d interface %d.", sdi->index,
devc->usb->bus, devc->usb->address, USB_INTERFACE);
libusb_release_interface(devc->usb->devhdl, USB_INTERFACE);
libusb_reset_device(devc->usb->devhdl);
libusb_close(devc->usb->devhdl);
devc->usb->devhdl = NULL;
usb->bus, usb->address, USB_INTERFACE);
libusb_release_interface(usb->devhdl, USB_INTERFACE);
libusb_reset_device(usb->devhdl);
libusb_close(usb->devhdl);
usb->devhdl = NULL;
sdi->status = SR_ST_INACTIVE;
return SR_OK;
@ -588,13 +591,14 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
void *cb_data)
{
struct dev_context *devc;
struct sr_usb_dev_inst *usb;
struct sr_datafeed_packet packet;
struct sr_datafeed_logic logic;
//uint64_t samples_read;
int res;
unsigned int packet_num, n;
unsigned char *buf;
struct dev_context *devc;
if (!(devc = sdi->priv)) {
sr_err("%s: sdi->priv was NULL", __func__);
@ -606,21 +610,23 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
return SR_ERR;
}
usb = sdi->conn;
set_triggerbar(devc);
/* Push configured settings to device. */
analyzer_configure(devc->usb->devhdl);
analyzer_configure(usb->devhdl);
analyzer_start(devc->usb->devhdl);
analyzer_start(usb->devhdl);
sr_info("Waiting for data.");
analyzer_wait_data(devc->usb->devhdl);
analyzer_wait_data(usb->devhdl);
sr_info("Stop address = 0x%x.",
analyzer_get_stop_address(devc->usb->devhdl));
analyzer_get_stop_address(usb->devhdl));
sr_info("Now address = 0x%x.",
analyzer_get_now_address(devc->usb->devhdl));
analyzer_get_now_address(usb->devhdl));
sr_info("Trigger address = 0x%x.",
analyzer_get_trigger_address(devc->usb->devhdl));
analyzer_get_trigger_address(usb->devhdl));
/* Send header packet to the session bus. */
std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
@ -631,13 +637,13 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
}
//samples_read = 0;
analyzer_read_start(devc->usb->devhdl);
analyzer_read_start(usb->devhdl);
/* Send the incoming transfer to the session bus. */
n = get_memory_size(devc->memory_size);
if (devc->max_memory_size * 4 < n)
n = devc->max_memory_size * 4;
for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) {
res = analyzer_read_data(devc->usb->devhdl, buf, PACKET_SIZE);
res = analyzer_read_data(usb->devhdl, buf, PACKET_SIZE);
sr_info("Tried to read %d bytes, actually read %d bytes.",
PACKET_SIZE, res);
@ -649,7 +655,7 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
sr_session_send(cb_data, &packet);
//samples_read += res / 4;
}
analyzer_read_stop(devc->usb->devhdl);
analyzer_read_stop(usb->devhdl);
g_free(buf);
packet.type = SR_DF_END;
@ -661,8 +667,9 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
/* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
struct sr_datafeed_packet packet;
struct dev_context *devc;
struct sr_usb_dev_inst *usb;
struct sr_datafeed_packet packet;
packet.type = SR_DF_END;
sr_session_send(cb_data, &packet);
@ -672,7 +679,8 @@ static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
return SR_ERR_BUG;
}
analyzer_reset(devc->usb->devhdl);
usb = sdi->conn;
analyzer_reset(usb->devhdl);
/* TODO: Need to cancel and free any queued up transfers. */
return SR_OK;

1
hardware/zeroplus-logic-cube/protocol.h
View File

@ -51,7 +51,6 @@ struct dev_context {
// uint8_t trigger_buffer[NUM_TRIGGER_STAGES];
int trigger;
unsigned int capture_ratio;
struct sr_usb_dev_inst *usb;
const struct zp_model *prof;
};