/* am7xxx - communication with AM7xxx based USB Pico Projectors and DPFs
*
- * Copyright (C) 2012 Antonio Ospite <ospite@studenti.unina.it>
+ * Copyright (C) 2012-2014 Antonio Ospite <ao2@ao2.it>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include "am7xxx.h"
#include "serialize.h"
+#include "tools.h"
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
static int default_set_power_mode(am7xxx_device *dev, am7xxx_power_mode power);
static int picopix_set_power_mode(am7xxx_device *dev, am7xxx_power_mode power);
static int default_set_zoom_mode(am7xxx_device *dev, am7xxx_zoom_mode zoom);
+static int picopix_set_zoom_mode(am7xxx_device *dev, am7xxx_zoom_mode zoom);
#define DEFAULT_OPS { \
.set_power_mode = default_set_power_mode, \
.interface_number = 0,
.ops = {
.set_power_mode = picopix_set_power_mode,
+ .set_zoom_mode = picopix_set_zoom_mode,
},
},
{
AM7XXX_PACKET_TYPE_PICOPIX_POWER_LOW = 0x15,
AM7XXX_PACKET_TYPE_PICOPIX_POWER_MEDIUM = 0x16,
AM7XXX_PACKET_TYPE_PICOPIX_POWER_HIGH = 0x17,
+ AM7XXX_PACKET_TYPE_PICOPIX_ENABLE_TI = 0x18,
+ AM7XXX_PACKET_TYPE_PICOPIX_DISABLE_TI = 0x19,
} am7xxx_packet_type;
struct am7xxx_generic_header {
return current;
}
+static int open_device(am7xxx_context *ctx,
+ unsigned int device_index,
+ libusb_device* usb_dev,
+ am7xxx_device **dev)
+{
+ int ret;
+
+ *dev = find_device(ctx, device_index);
+ if (*dev == NULL) {
+ ret = -ENODEV;
+ goto out;
+ }
+
+ /* the usb device has already been opened */
+ if ((*dev)->usb_device) {
+ debug(ctx, "(*dev)->usb_device already set\n");
+ ret = 1;
+ goto out;
+ }
+
+ ret = libusb_open(usb_dev, &((*dev)->usb_device));
+ if (ret < 0) {
+ debug(ctx, "libusb_open failed\n");
+ goto out;
+ }
+
+ /* XXX, the device is now open, if any of the calls below fail we need
+ * to close it again before bailing out.
+ */
+
+ ret = libusb_set_configuration((*dev)->usb_device,
+ (*dev)->desc->configuration);
+ if (ret < 0) {
+ debug(ctx, "libusb_set_configuration failed\n");
+ debug(ctx, "Cannot set configuration %hhu\n",
+ (*dev)->desc->configuration);
+ goto out_libusb_close;
+ }
+
+ ret = libusb_claim_interface((*dev)->usb_device,
+ (*dev)->desc->interface_number);
+ if (ret < 0) {
+ debug(ctx, "libusb_claim_interface failed\n");
+ debug(ctx, "Cannot claim interface %hhu\n",
+ (*dev)->desc->interface_number);
+out_libusb_close:
+ libusb_close((*dev)->usb_device);
+ (*dev)->usb_device = NULL;
+ }
+out:
+ return ret;
+}
+
typedef enum {
SCAN_OP_BUILD_DEVLIST,
SCAN_OP_OPEN_DEVICE,
} else if (op == SCAN_OP_OPEN_DEVICE &&
current_index == open_device_index) {
- *dev = find_device(ctx, open_device_index);
- if (*dev == NULL) {
- ret = -ENODEV;
- goto out;
- }
-
- /* the usb device has already been opened */
- if ((*dev)->usb_device) {
- debug(ctx, "(*dev)->usb_device already set\n");
- ret = 1;
- goto out;
- }
-
- ret = libusb_open(list[i], &((*dev)->usb_device));
- if (ret < 0) {
- debug(ctx, "libusb_open failed\n");
- goto out;
- }
-
- /* XXX, the device is now open, if any
- * of the calls below fail we need to
- * close it again before bailing out.
- */
-
- ret = libusb_set_configuration((*dev)->usb_device,
- (*dev)->desc->configuration);
+ ret = open_device(ctx,
+ open_device_index,
+ list[i],
+ dev);
if (ret < 0) {
- debug(ctx, "libusb_set_configuration failed\n");
- debug(ctx, "Cannot set configuration %hhu\n",
- (*dev)->desc->configuration);
- goto out_libusb_close;
- }
-
- ret = libusb_claim_interface((*dev)->usb_device,
- (*dev)->desc->interface_number);
- if (ret < 0) {
- debug(ctx, "libusb_claim_interface failed\n");
- debug(ctx, "Cannot claim interface %hhu\n",
- (*dev)->desc->interface_number);
-out_libusb_close:
- libusb_close((*dev)->usb_device);
- (*dev)->usb_device = NULL;
+ debug(ctx, "open_device failed\n");
goto out;
}
}
}
- /* if we made it up to here we didn't find any device to open */
+ /* if we made it up to here when op == SCAN_OP_OPEN_DEVICE,
+ * no devices to open had been found. */
if (op == SCAN_OP_OPEN_DEVICE) {
error(ctx, "Cannot find any device to open\n");
ret = -ENODEV;
return 0;
}
+static int picopix_set_zoom_mode(am7xxx_device *dev, am7xxx_zoom_mode zoom)
+{
+ int ret;
+ am7xxx_packet_type packet_type;
+
+ switch(zoom) {
+ case AM7XXX_ZOOM_ORIGINAL:
+ packet_type = AM7XXX_PACKET_TYPE_PICOPIX_DISABLE_TI;
+ break;
+
+ case AM7XXX_ZOOM_TELE:
+ packet_type = AM7XXX_PACKET_TYPE_PICOPIX_ENABLE_TI;
+ break;
+
+ case AM7XXX_ZOOM_H:
+ case AM7XXX_ZOOM_H_V:
+ case AM7XXX_ZOOM_TEST:
+ default:
+ error(dev->ctx, "Unsupported zoom mode.\n");
+ return -EINVAL;
+ };
+
+ ret = send_command(dev, packet_type);
+ if (ret < 0)
+ return ret;
+
+ /* The Windows drivers wait for 100ms and send the same command again,
+ * probably to overcome a firmware deficiency */
+ ret = msleep(100);
+ if (ret < 0)
+ return ret;
+
+ return send_command(dev, packet_type);
+}
+
/* Public API */
AM7XXX_PUBLIC int am7xxx_init(am7xxx_context **ctx)
am7xxx_device_info *device_info)
{
int ret;
- struct am7xxx_header h = { 0 };
+ struct am7xxx_header h;
if (dev->device_info) {
memcpy(device_info, dev->device_info, sizeof(*device_info));
if (ret < 0)
return ret;
+ memset(&h, 0, sizeof(h));
ret = read_header(dev, &h);
if (ret < 0)
return ret;
projects / libam7xxx.git / blobdiff