| #include <stdio.h> |
| #include <stdlib.h> |
| #include <openbmc_intf.h> |
| #include <gpio.h> |
| #include <openbmc.h> |
| |
| /* ------------------------------------------------------------------------- */ |
| static const gchar* dbus_object_path = "/org/openbmc/buttons"; |
| static const gchar* instance_name = "reset0"; |
| static const gchar* dbus_name = "org.openbmc.buttons.reset"; |
| static const int LONG_PRESS_SECONDS = 3; |
| static GDBusObjectManagerServer *manager = NULL; |
| |
| //This object will use these GPIOs |
| GPIO gpio_button = (GPIO){ "RESET_BUTTON" }; |
| |
| static gboolean |
| on_is_on(Button *btn, |
| GDBusMethodInvocation *invocation, |
| gpointer user_data) |
| { |
| gboolean btn_state=button_get_state(btn); |
| button_complete_is_on(btn,invocation,btn_state); |
| return TRUE; |
| } |
| |
| static gboolean |
| on_button_press(Button *btn, |
| GDBusMethodInvocation *invocation, |
| gpointer user_data) |
| { |
| button_emit_pressed(btn); |
| button_complete_sim_press(btn,invocation); |
| return TRUE; |
| } |
| |
| static gboolean |
| on_button_interrupt( GIOChannel *channel, |
| GIOCondition condition, |
| gpointer user_data ) |
| { |
| GError *error = 0; |
| gsize bytes_read = 0; |
| gchar buf[2]; |
| buf[1] = '\0'; |
| g_io_channel_seek_position( channel, 0, G_SEEK_SET, 0 ); |
| g_io_channel_read_chars( channel, |
| buf, 1, |
| &bytes_read, |
| &error ); |
| printf("%s\n",buf); |
| |
| time_t current_time = time(NULL); |
| if(gpio_button.irq_inited) |
| { |
| Button* button = object_get_button((Object*)user_data); |
| if(buf[0] == '0') |
| { |
| printf("reset Button pressed\n"); |
| button_emit_pressed(button); |
| button_set_timer(button,(long)current_time); |
| } |
| else |
| { |
| long press_time = current_time-button_get_timer(button); |
| printf("reset Button released, held for %ld seconds\n",press_time); |
| if(press_time > LONG_PRESS_SECONDS) |
| { |
| button_emit_pressed_long(button); |
| } else { |
| button_emit_released(button); |
| } |
| } |
| } |
| else { gpio_button.irq_inited = true; } |
| |
| return TRUE; |
| } |
| |
| static void |
| on_bus_acquired(GDBusConnection *connection, |
| const gchar *name, |
| gpointer user_data) |
| { |
| ObjectSkeleton *object; |
| //g_print ("Acquired a message bus connection: %s\n",name); |
| manager = g_dbus_object_manager_server_new(dbus_object_path); |
| gchar *s; |
| s = g_strdup_printf("%s/%s",dbus_object_path,instance_name); |
| object = object_skeleton_new(s); |
| g_free(s); |
| |
| Button* button = button_skeleton_new(); |
| object_skeleton_set_button(object, button); |
| g_object_unref(button); |
| |
| //define method callbacks |
| g_signal_connect(button, |
| "handle-is-on", |
| G_CALLBACK(on_is_on), |
| NULL); /* user_data */ |
| g_signal_connect(button, |
| "handle-sim-press", |
| G_CALLBACK(on_button_press), |
| NULL); /* user_data */ |
| |
| |
| /* Export the object (@manager takes its own reference to @object) */ |
| g_dbus_object_manager_server_set_connection(manager, connection); |
| g_dbus_object_manager_server_export(manager, G_DBUS_OBJECT_SKELETON(object)); |
| g_object_unref(object); |
| |
| // get gpio device paths |
| int rc = GPIO_OK; |
| do { |
| rc = gpio_init(&gpio_button); |
| gpio_inits_done(); |
| if(rc != GPIO_OK) { break; } |
| rc = gpio_open_interrupt(&gpio_button,on_button_interrupt,object); |
| if(rc != GPIO_OK) { break; } |
| } while(0); |
| if(rc != GPIO_OK) |
| { |
| printf("ERROR PowerButton: GPIO setup (rc=%d)\n",rc); |
| exit(-1); |
| } |
| } |
| |
| static void |
| on_name_acquired(GDBusConnection *connection, |
| const gchar *name, |
| gpointer user_data) |
| { |
| } |
| |
| static void |
| on_name_lost(GDBusConnection *connection, |
| const gchar *name, |
| gpointer user_data) |
| { |
| } |
| |
| gint |
| main(gint argc, gchar *argv[]) |
| { |
| GMainLoop *loop; |
| |
| cmdline cmd; |
| cmd.argc = argc; |
| cmd.argv = argv; |
| |
| guint id; |
| loop = g_main_loop_new(NULL, FALSE); |
| |
| id = g_bus_own_name(DBUS_TYPE, |
| dbus_name, |
| G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT | |
| G_BUS_NAME_OWNER_FLAGS_REPLACE, |
| on_bus_acquired, |
| on_name_acquired, |
| on_name_lost, |
| &cmd, |
| NULL); |
| |
| g_main_loop_run(loop); |
| |
| g_bus_unown_name(id); |
| g_main_loop_unref(loop); |
| return 0; |
| } |