diff options
| -rw-r--r-- | CMakeLists.txt | 16 | ||||
| -rw-r--r-- | README.adoc | 6 | ||||
| -rw-r--r-- | ddc-ci.c | 2 | ||||
| -rw-r--r-- | elksmart-comm.c | 695 | ||||
| -rw-r--r-- | wmstatus.conf.example | 3 |
5 files changed, 716 insertions, 6 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index f1d4292..0aa0760 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -19,13 +19,15 @@ find_package (PkgConfig REQUIRED) pkg_check_modules (x REQUIRED x11 xext xextproto) pkg_check_modules (pulse REQUIRED libpulse) pkg_check_modules (dbus REQUIRED dbus-1) +pkg_check_modules (libusb libusb-1.0) pkg_check_modules (gdm gdm glib-2.0 gio-2.0) include_directories ( ${x_INCLUDE_DIRS} ${pulse_INCLUDE_DIRS} ${dbus_INCLUDE_DIRS}) link_directories ( ${x_LIBRARY_DIRS} ${pulse_LIBRARY_DIRS} ${dbus_LIBRARY_DIRS}) -option (WITH_GDM "Compile with GDM support" ${gdm_FOUND}) +option (WITH_USB "Compile with USB utilities" ${libusb_FOUND}) +option (WITH_GDM "Compile with GDM utilities" ${gdm_FOUND}) # Generate a configuration file configure_file (${PROJECT_SOURCE_DIR}/config.h.in @@ -57,10 +59,16 @@ target_link_libraries (wmstatus ${x_LIBRARIES} ${pulse_LIBRARIES} ${dbus_LIBRARIES}) add_threads (wmstatus) +if (WITH_USB) + add_executable (elksmart-comm elksmart-comm.c) + target_include_directories (elksmart-comm PUBLIC ${libusb_INCLUDE_DIRS}) + target_link_directories (elksmart-comm PUBLIC ${libusb_LIBRARY_DIRS}) + target_link_libraries (elksmart-comm ${libusb_LIBRARIES}) +endif () if (WITH_GDM) - include_directories (${gdm_INCLUDE_DIRS}) - link_directories (${gdm_LIBRARY_DIRS}) add_executable (gdm-switch-user gdm-switch-user.c) + target_include_directories (gdm-switch-user PUBLIC ${gdm_INCLUDE_DIRS}) + target_link_directories (gdm-switch-user PUBLIC ${gdm_LIBRARY_DIRS}) target_link_libraries (gdm-switch-user ${gdm_LIBRARIES}) endif () @@ -95,7 +103,7 @@ endif () # These should be accessible by users, but need to touch system devices. # Use the setuid bit, for simplicity. -foreach (target brightness input-switch) +foreach (target brightness input-switch elksmart-comm) if (${target} IN_LIST targets) list (REMOVE_ITEM targets ${target}) install (TARGETS ${target} DESTINATION ${CMAKE_INSTALL_BINDIR} diff --git a/README.adoc b/README.adoc index 0bd0de4..06b7c26 100644 --- a/README.adoc +++ b/README.adoc @@ -27,6 +27,8 @@ to other people as well: pseudo-random data; it should be fast enough to saturate most devices - 'big-brother' tracks the title of the active window and the idle state of the user and writes these events to standard output. + - 'elksmart-comm' interfaces with ELK Smart infrared dongles, + partially reimplementing the Ocrustar mobile app. Few of them are useful outside of Linux. @@ -37,7 +39,9 @@ Regular releases are sporadic. git master should be stable enough. Building -------- Build dependencies: CMake, pkg-config, liberty (included) + -Runtime dependencies: libpulse, libx11, dbus-1, libgdm (optional) +Runtime dependencies: libpulse, libx11, dbus-1 + +Optional runtime dependencies: +libusb-1.0 (elksmart-comm), libgdm (gdm-switch-user) $ git clone --recursive https://git.janouch.name/p/desktop-tools.git $ mkdir desktop-tools/build @@ -46,7 +46,7 @@ log_message_custom (void *user_data, const char *quote, const char *fmt, static void wait_ms (long ms) { - struct timespec ts = { 0, ms * 1000 * 1000 }; + struct timespec ts = { ms / 1000, (ms % 1000) * 1000 * 1000 }; nanosleep (&ts, NULL); } diff --git a/elksmart-comm.c b/elksmart-comm.c new file mode 100644 index 0000000..a16b2f4 --- /dev/null +++ b/elksmart-comm.c @@ -0,0 +1,695 @@ +/* + * elksmart-comm.c: ELK Smart infrared dongle tool (for the 4th generation) + * + * Copyright (c) 2024, Přemysl Eric Janouch <p@janouch.name> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#include "config.h" +#undef PROGRAM_NAME +#define PROGRAM_NAME "elksmart-comm" +#include "liberty/liberty.c" + +#include <libusb.h> + +// --- Utilities --------------------------------------------------------------- + +/// Search for a device with given vendor and product ID. +/// This is quite similar to libusb_open_device_with_vid_pid(). +static libusb_device_handle * +find_device (int vendor, int product, int *error) +{ + libusb_device **list = NULL; + libusb_device_handle *handle = NULL; + int result = 0; + + ssize_t len = libusb_get_device_list (NULL, &list); + if (len < 0) + { + result = len; + goto out; + } + + for (ssize_t i = 0; i < len; i++) + { + libusb_device *device = list[i]; + struct libusb_device_descriptor desc = {}; + if ((result = libusb_get_device_descriptor (device, &desc))) + print_debug ("%s", libusb_strerror (result)); + else if (desc.idVendor != vendor || desc.idProduct != product) + continue; + else if (!(result = libusb_open (device, &handle))) + break; + } + + libusb_free_device_list (list, true); +out: + if (error != NULL && result != 0) + *error = result; + return handle; +} + +static void +wait_ms (long ms) +{ + struct timespec ts = { ms / 1000, (ms % 1000) * 1000 * 1000 }; + nanosleep (&ts, NULL); +} + +static void +dump_hex (const unsigned char *buf, size_t len) +{ + for (size_t i = 0; i < len; i++) + printf ("%02x", buf[i]); + printf ("\n"); +} + +static bool +read_hex (const char *string, struct str *out) +{ + static const char *alphabet = "0123456789abcdef"; + str_reset (out); + while (true) + { + while (*string && strchr (" \t\n\r\v\f", *string)) + string++; + if (!*string) + return true; + + const char *hi, *lo; + if (!(hi = strchr (alphabet, tolower_ascii (*string++))) || !*string + || !(lo = strchr (alphabet, tolower_ascii (*string++)))) + return false; + + str_pack_u8 (out, (hi - alphabet) << 4 | (lo - alphabet)); + } +} + +// --- Coding ------------------------------------------------------------------ + +// Values are in microseconds. +struct pulse { unsigned on, off; }; + +static bool +pulse_equal (struct pulse a, struct pulse b) +{ + return a.on == b.on && a.off == b.off; +} + +static size_t +decode_learned_direct (const uint8_t *b, size_t b_len, struct pulse *pulses) +{ + size_t pulses_len = 0; + for (size_t i = 0; i < b_len; ) + { + struct pulse *pulse = &pulses[pulses_len++]; + while (b[i] == 0xff) + { + pulse->on += 4080; + if (++i == b_len) + return 0; + } + pulse->on += b[i++] * 16; + + // Who cares, presumably it stays off. + if (i == b_len) + break; + + while (b[i] == 0xff) + { + pulse->off += 4080; + if (++i == b_len) + return 0; + } + pulse->off += b[i++] * 16; + } + return pulses_len; +} + +static struct pulse * +decode_learned (const struct str *code, size_t *len, struct error **e) +{ + // This conveniently has an upper bound. + struct pulse *pulses = xcalloc (code->len, sizeof *pulses); + if (!(*len = decode_learned_direct + ((const uint8_t *) code->str, code->len, pulses))) + { + error_set (e, "code ends unexpectedly"); + free (pulses); + return NULL; + } + return pulses; +} + +static struct pulse * +encode_nec_byte (struct pulse *p, uint8_t byte) +{ + for (int i = 7; i >= 0; i--) + *p++ = (struct pulse) + { .on = 550, .off = ((byte >> i) & 1) ? 1650 : 550 }; + return p; +} + +static struct pulse * +encode_nec (const struct str *code, size_t *len, struct error **e) +{ + if (code->len % 2) + { + error_set (e, "NEC transmission format requires pairs"); + return NULL; + } + + // The timings seem to be rather tolerant. + *len = code->len / 2 * (1 /* leader */ + 32 + 1 /* stop */); + struct pulse *pulses = xcalloc (*len, sizeof *pulses), *p = pulses; + for (size_t i = 0; i < code->len; i += 2) + { + *p++ = (struct pulse) { .on = 8500, .off = 4250 }; + p = encode_nec_byte (p, code->str[i + 0]); + p = encode_nec_byte (p, ~code->str[i + 0]); + p = encode_nec_byte (p, code->str[i + 1]); + p = encode_nec_byte (p, ~code->str[i + 1]); + *p++ = (struct pulse) { .on = 550, .off = 25000 }; + } + return pulses; +} + +static void +compress_value (unsigned value, struct str *encoded) +{ + if (value <= 2032) + { + // We fix a minor problem in the original Ocrustar algorithm. + uint8_t v = value / 16. + .5; + str_pack_u8 (encoded, MAX (2, v)); + } + else + do + { + uint8_t v = value & 0x7f; + if ((value >>= 7)) + v |= 0x80; + str_pack_u8 (encoded, v); + } while (value); +} + +static void +compress_pulses (const struct pulse *pulses, size_t len, struct str *encoded) +{ + unsigned counts[len] = {}; + for (size_t i = 0; i < len; i++) + for (size_t k = 0; k < len; k++) + if (pulse_equal (pulses[i], pulses[k])) + counts[i]++; + + struct pulse p1 = {}, p2 = {}; + size_t top1 = 0, top2 = 0; + for (size_t i = 0; i < len; i++) + if (counts[i] > counts[top1]) + p1 = pulses[top1 = i]; + for (size_t i = 0; i < len; i++) + if (counts[i] < counts[top1] + && counts[i] > counts[top2]) + p2 = pulses[top2 = i]; + else if (counts[top2] == counts[top1]) + p2 = pulses[top2 = i]; + + // Although I haven't really tried it, something tells me that + // this will work even in the degenerated case of len <= 2. + // XXX: The receiver might not like multibyte values here, + // Ocrustar also oddly replaces 0xff with 0xfe for these fields. + compress_value (p2.on, encoded); + compress_value (p2.off, encoded); + compress_value (p1.on, encoded); + compress_value (p1.off, encoded); + str_pack_u8 (encoded, -1); + str_pack_u8 (encoded, -1); + str_pack_u8 (encoded, -1); + + for (size_t i = 0; i < len; i++) + { + if (pulse_equal (pulses[i], p1)) + str_pack_u8 (encoded, 0); + else if (pulse_equal (pulses[i], p2)) + str_pack_u8 (encoded, 1); + else + { + compress_value (pulses[i].on, encoded); + compress_value (pulses[i].off, encoded); + } + } +} + +// --- Device interaction ------------------------------------------------------ + +enum +{ + USB_VENDOR_SMTCTL = 0x045c, + + // 0x134 (EKX5S ~ 5s, 5th generation remote) + // 0x195 (EKX4S ~ 4s, 4th generation remote) + // 0x184 (international edition) + USB_PRODUCT_SMTCTL_SMART = 0x0195, + + // There should only ever be one interface. + USB_INTERFACE = 0, +}; + +static uint8_t + c_transmit[] = { -1, -1, -1, -1 }, + c_learn[] = { -2, -2, -2, -2 }, + c_stop[] = { -3, -3, -3, -3 }, + c_identify[] = { -4, -4, -4, -4 }; + +static struct +{ + unsigned char endpoint_out; ///< Outgoing endpoint + unsigned char endpoint_in; ///< Incoming endpoint +} +g; + +static bool +init_device_from_desc (struct libusb_config_descriptor *desc, struct error **e) +{ + // We're not being particuarly strict in here. + if (desc->bNumInterfaces != 1) + return error_set (e, "unexpected USB interface count"); + if (desc->interface->num_altsetting != 1) + return error_set (e, "unexpected alternate setting count"); + + const struct libusb_interface_descriptor *asd = desc->interface->altsetting; + if (asd->bInterfaceClass != LIBUSB_CLASS_COMM) + return error_set (e, "unexpected USB interface class"); + if (asd->bNumEndpoints != 2) + return error_set (e, "unexpected endpoint count"); + + bool have_out = false, have_in = false; + for (uint8_t i = 0; i < asd->bNumEndpoints; i++) + { + const struct libusb_endpoint_descriptor *epd = asd->endpoint + i; + if ((epd->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK) + != LIBUSB_ENDPOINT_TRANSFER_TYPE_BULK) + return error_set (e, "unexpected endpoint transfer type"); + + switch ((epd->bEndpointAddress & LIBUSB_ENDPOINT_DIR_MASK)) + { + break; case LIBUSB_ENDPOINT_OUT: + have_out = true; + g.endpoint_out = epd->bEndpointAddress; + break; case LIBUSB_ENDPOINT_IN: + have_in = true; + g.endpoint_in = epd->bEndpointAddress; + } + } + if (!have_out || !have_in) + return error_set (e, "USB interface is not bidirectional"); + return true; +} + +static bool +init_device (libusb_device_handle *device, struct error **e) +{ + struct libusb_config_descriptor *desc = NULL; + int result = + libusb_get_active_config_descriptor (libusb_get_device (device), &desc); + if (result) + return error_set (e, "%s", libusb_strerror (result)); + + bool ok = true; + if ((result = libusb_kernel_driver_active (device, USB_INTERFACE)) == 1) + ok = error_set (e, "device is claimed by a kernel driver"); + else if (result) + ok = error_set (e, "%s", libusb_strerror (result)); + else + ok = init_device_from_desc (desc, e); + + libusb_free_config_descriptor (desc); + return ok; +} + +// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + +static uint8_t +mangle (uint8_t value) +{ + uint8_t reversed = 0; + for (int i = 0; i < 8; i++) + { + reversed = (reversed << 1) | (value & 1); + value >>= 1; + } + return ~reversed; +} + +static uint8_t +checksum (const uint8_t *b, size_t len) +{ + uint32_t sum = 0; + for (size_t i = 0; i < len; i++) + sum += b[i]; + return mangle ((sum & 0xF0) | ((sum >> 8) & 0x0F)); +} + +static bool +send_transmit (libusb_device_handle *device, unsigned long frequency, + const struct pulse *pulses, size_t pulses_len, struct error **e) +{ + if (g_debug_mode) + for (size_t i = 0; i < pulses_len; ) + { + printf ("%u,%u", pulses[i].on, pulses[i].off); + putchar (++i == pulses_len ? '\n' : ','); + } + + struct str compressed = str_make (); + compress_pulses (pulses, pulses_len, &compressed); + + struct str message = str_make (); + str_append_data (&message, c_transmit, sizeof c_transmit); + frequency += 0x7ffff; + str_pack_u8 (&message, mangle (frequency >> 8)); + str_pack_u8 (&message, mangle (frequency >> 16)); + str_pack_u8 (&message, mangle (frequency)); + str_pack_u8 (&message, mangle (compressed.len >> 8)); + str_pack_u8 (&message, mangle (compressed.len)); + str_append_str (&message, &compressed); + str_free (&compressed); + + size_t i = 0; + uint8_t buffer[64]; + bool ok = true; + while (i != message.len) + { + size_t chunk = MIN (62, message.len - i); + memcpy (buffer, message.str + i, chunk); + i += chunk; + if (chunk == 62) + { + buffer[chunk] = checksum (buffer, chunk); + chunk++; + } + + int result = 0, len = 0; + if ((result = libusb_bulk_transfer (device, g.endpoint_out, + buffer, chunk, &len, 100))) + { + ok = error_set (e, "send: %s", libusb_strerror (result)); + break; + } + wait_ms (2); + } + str_free (&message); + return ok; +} + +// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + +static bool +pulse_is_likely_leader (const struct pulse *p) +{ + return p->on >= 2048 && p->off >= 2048; +} + +static void +try_to_depulse (const struct str *code) +{ + size_t len = 0; + struct pulse *pulses = decode_learned (code, &len, NULL); + if (!pulses) + return; + + struct pulse *p = pulses, *end = p + len; + while (p != end && pulse_is_likely_leader (p)) + { + p++; + printf ("Attempted pulse decode:\n"); + + uint8_t bits = 0, nibble = 0; + for (; p != end && !pulse_is_likely_leader (p); p++) + { + nibble = nibble << 1 | (p->off > 2 * p->on); + if (++bits == 4) + { + putchar ("0123456789abcdef"[nibble]); + bits = nibble = 0; + } + } + putchar ('\n'); + } + free (pulses); +} + +static bool +recv_learn (libusb_device_handle *device, struct str *data, struct error **e) +{ + uint8_t buffer[64] = {}; + int result = 0, len = 0; + while ((result = libusb_bulk_transfer (device, g.endpoint_in, + buffer, sizeof buffer, &len, 100))) + { + if (result != LIBUSB_ERROR_TIMEOUT) + return error_set (e, "learn/recv: %s", libusb_strerror (result)); + print_debug ("learn/recv: %s", libusb_strerror (result)); + } + if (len < 6 || memcmp (buffer, c_learn, sizeof c_learn)) + return error_set (e, "learn/recv: %s", "unexpected response"); + + // This field might only make sense for a later device, + // because it doesn't always correspond with how much data we receive. + // Nonetheless, it does match exactly often enough. + size_t size = buffer[4] << 8 | buffer[5]; + print_debug ("learn: code size: %zu", size); + + str_append_data (data, buffer + 6, len - 6); + dump_hex ((const unsigned char *) data->str, data->len); + while (data->len < size) + { + if (!(result = libusb_bulk_transfer (device, g.endpoint_in, + buffer, sizeof buffer, &len, 100))) + { + dump_hex (buffer, len); + + str_append_data (data, buffer, len); + print_debug ("learn: received %d (have %zu of %zu)", + len, data->len, size); + continue; + } + if (result != LIBUSB_ERROR_TIMEOUT) + return error_set (e, "learn/recv: %s", libusb_strerror (result)); + + // The device seems to queue up its output with pauses. + print_debug ("learn/recv: %s", libusb_strerror (result)); + } + + // As far as I know, this doesn't do anything, + // and the device doesn't accept it while scanning infrared codes either. + if ((result = libusb_bulk_transfer (device, g.endpoint_out, + c_stop, sizeof c_stop, &len, 100))) + return error_set (e, "learn/send: %s", libusb_strerror (result)); + return true; +} + +static bool +send_learn (libusb_device_handle *device, struct error **e) +{ + int result = 0, len = 0; + if ((result = libusb_bulk_transfer (device, g.endpoint_out, + c_learn, sizeof c_learn, &len, 100))) + return error_set (e, "learn/send: %s", libusb_strerror (result)); + + printf ("Reading remote control codes.\n"); + printf ("Press a remote control button from less than a centimeter.\n"); + printf ("The dongle may be unusable until it returns some data.\n"); + // ... Resetting the device using libusb_reset_device() doesn't help then. + printf ("If the code fails to replay, retry the capture.\n"); + + struct str data = str_make (); + bool ok = recv_learn (device, &data, e); + if (ok) + { + printf ("Full command:\n"); + dump_hex ((const unsigned char *) data.str, data.len); + try_to_depulse (&data); + } + + str_free (&data); + return ok; +} + +// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + +static bool +send_identify (libusb_device_handle *device, struct error **e) +{ + uint8_t buffer[64] = {}; + int result = 0, len = 0; + while (!(result = libusb_bulk_transfer (device, g.endpoint_in, + buffer, sizeof buffer, &len, 10))) + /* Flush buffers. */; + + if ((result = libusb_bulk_transfer (device, g.endpoint_out, + c_identify, sizeof c_identify, &len, 100))) + return error_set (e, "identify/send: %s", libusb_strerror (result)); + if ((result = libusb_bulk_transfer (device, g.endpoint_in, + buffer, sizeof buffer, &len, 100))) + return error_set (e, "identify/recv: %s", libusb_strerror (result)); + + // XXX: Sometimes, the device doesn't send any identification values. + if (len != 6 || memcmp (buffer, c_identify, sizeof c_identify) + || buffer[4] != 0x70 || buffer[5] != 0x01) + return error_set (e, "device busy or not supported"); + +#if 0 + // My device does not respond to this request. + static uint8_t c_serial[] = { -5, -5, -5, -5 }; + if ((result = libusb_bulk_transfer (device, g.endpoint_out, + c_serial, sizeof c_serial, &len, 100))) + return error_set (e, "serial/send: %s", libusb_strerror (result)); + if ((result = libusb_bulk_transfer (device, g.endpoint_in, + buffer, sizeof buffer, &len, 100))) + return error_set (e, "serial/recv: %s", libusb_strerror (result)); + if (len < (int) sizeof c_serial + || memcmp (buffer, c_serial, sizeof c_serial)) + return error_set (e, "serial retrieval failed"); +#endif + return true; +} + +static bool +run (libusb_device_handle *device, unsigned long frequency, bool nec, + char **codes, size_t codes_len, struct error **e) +{ + if (!send_identify (device, e)) + return false; + if (!codes_len) + return send_learn (device, e); + + struct str code = str_make (); + bool ok = true; + for (size_t i = 0; i < codes_len; i++) + { + if (!read_hex (codes[i], &code)) + { + ok = error_set (e, "invalid hex string"); + break; + } + + size_t pulses_len = 0; + struct pulse *pulses = nec + ? encode_nec (&code, &pulses_len, e) + : decode_learned (&code, &pulses_len, e); + + ok = pulses && send_transmit (device, frequency, pulses, pulses_len, e); + free (pulses); + if (!ok) + break; + + wait_ms (100); + } + str_free (&code); + return ok; +} + +// --- Main -------------------------------------------------------------------- + +int +main (int argc, char *argv[]) +{ + unsigned long frequency = 38000; + bool nec = false; + static const struct opt opts[] = + { + { 'd', "debug", NULL, 0, "run in debug mode" }, + { 'f', "frequency", "HZ", 0, "frequency (38000 Hz by default)" }, + { 'n', "nec", NULL, 0, "use the NEC transmission format" }, + { 'h', "help", NULL, 0, "display this help and exit" }, + { 'V', "version", NULL, 0, "output version information and exit" }, + { 0, NULL, NULL, 0, NULL } + }; + + struct opt_handler oh = opt_handler_make (argc, argv, opts, "[COMMAND...]", + "Transmit or receive infrared commands."); + + int c; + while ((c = opt_handler_get (&oh)) != -1) + switch (c) + { + case 'd': + g_debug_mode = true; + break; + case 'f': + if (!xstrtoul (&frequency, optarg, 10) || !frequency) + exit_fatal ("invalid frequency"); + break; + case 'n': + nec = true; + break; + case 'h': + opt_handler_usage (&oh, stdout); + exit (EXIT_SUCCESS); + case 'V': + printf (PROGRAM_NAME " " PROGRAM_VERSION "\n"); + exit (EXIT_SUCCESS); + default: + print_error ("wrong options"); + opt_handler_usage (&oh, stderr); + exit (EXIT_FAILURE); + } + + argc -= optind; + argv += optind; + + opt_handler_free (&oh); + +// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + +#if LIBUSB_API_VERSION >= 0x0100010A + const struct libusb_init_option option = + { + .option = LIBUSB_OPTION_LOG_LEVEL, + .value.ival = LIBUSB_LOG_LEVEL_DEBUG, + }; + int result = libusb_init_context (NULL, &option, g_debug_mode); +#else + int result = libusb_init (NULL); +#endif + if (result) + exit_fatal ("libusb: %s", libusb_strerror (result)); + + libusb_device_handle *device = + find_device (USB_VENDOR_SMTCTL, USB_PRODUCT_SMTCTL_SMART, &result); + if (result) + exit_fatal ("couldn't open device: %s", libusb_strerror (result)); + else if (!device) + exit_fatal ("no suitable device found"); + + struct error *e = NULL; + if (!init_device (device, &e)) + exit_fatal ("%s", e->message); + if ((result = libusb_claim_interface (device, USB_INTERFACE)) == 1) + exit_fatal ("couldn't claim interface: %s", libusb_strerror (result)); + + if (!run (device, frequency, nec, argv, argc, &e)) + { + print_error ("%s", e->message); + error_free (e); + } + + if ((result = libusb_release_interface (device, USB_INTERFACE)) == 1) + exit_fatal ("couldn't release interface: %s", libusb_strerror (result)); + + libusb_close (device); + libusb_exit (NULL); + return 0; +} diff --git a/wmstatus.conf.example b/wmstatus.conf.example index 90b472f..8d6a7fb 100644 --- a/wmstatus.conf.example +++ b/wmstatus.conf.example @@ -57,4 +57,7 @@ keys = { "Control XF86AudioRaiseVolume" = "noise-adjust +1" "Control XF86AudioLowerVolume" = "noise-adjust -1" + + # Turns on or off Pioneer integrated amplifiers + "Mod4 Control Delete" = "exec elksmart-comm --nec A538" } |