diff options
Diffstat (limited to 'common/device_state.c')
-rw-r--r-- | common/device_state.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/common/device_state.c b/common/device_state.c deleted file mode 100644 index 0ba94d6115..0000000000 --- a/common/device_state.c +++ /dev/null @@ -1,83 +0,0 @@ -/* Copyright 2016 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#include "console.h" -#include "device_state.h" -#include "hooks.h" - -#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args) - -/** - * Return text description for a state - * - * @param state State - * @return String describing that state - */ -static const char *state_desc(enum device_state state) -{ - return state == DEVICE_STATE_ON ? "on" : - state == DEVICE_STATE_OFF ? "off" : "unknown"; -} - -enum device_state device_get_state(enum device_type device) -{ - return device_states[device].state; -} - -int device_set_state(enum device_type device, enum device_state state) -{ - struct device_config *dc = device_states + device; - - /* - * It'd be handy for debugging if we could print to the console when - * device_set_state() is called. But unfortunately, it'll be called a - * LOT when debouncing UART activity on DETECT_EC or DETECT_AP. So - * only print when the last known state changes below. - */ - - dc->state = state; - - if (state != DEVICE_STATE_UNKNOWN && dc->last_known_state != state) { - dc->last_known_state = state; - CPRINTS("DEV %s -> %s", dc->name, state_desc(state)); - return 1; - } - - return 0; -} - -/** - * Periodic check of device states. - * - * The board does all the work. - * - * Note that device states can change outside of this context as well, for - * example, from a GPIO interrupt handler. - */ -static void check_device_state(void) -{ - int i; - - for (i = 0; i < DEVICE_COUNT; i++) - board_update_device_state(i); -} -DECLARE_HOOK(HOOK_SECOND, check_device_state, HOOK_PRIO_DEFAULT); - -static int command_devices(int argc, char **argv) -{ - const struct device_config *dc = device_states; - int i; - - ccprintf("Device State LastKnown\n"); - - for (i = 0; i < DEVICE_COUNT; i++, dc++) - ccprintf("%-9s %-7s %s\n", dc->name, state_desc(dc->state), - state_desc(dc->last_known_state)); - - return EC_SUCCESS; -} -DECLARE_SAFE_CONSOLE_COMMAND(devices, command_devices, - "", - "Get the device states"); |