140 lines
3.8 KiB
C
140 lines
3.8 KiB
C
/****************************************************************************
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* drivers/modem/altair/altmdm_pm_state.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/irq.h>
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#include <nuttx/modem/altmdm.h>
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#include "altmdm_pm_state.h"
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#if defined(CONFIG_MODEM_ALTMDM)
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static uint32_t g_stateofmodem;
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#ifdef CONFIG_MODEM_PM_PUTSTATE
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static char *g_putstring[MODEM_PM_INTERNAL_STATE_MAX] =
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{
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"SLEEP",
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"GOING_TO_WAKE",
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"WAKE",
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"GOING_TO_SLEEP"
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};
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: altmdm_pm_getstate
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*
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* Description:
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* Get current modem state.
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*
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****************************************************************************/
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uint32_t altmdm_pm_getstate(void)
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{
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uint32_t get_state;
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uint32_t internal_state;
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internal_state = altmdm_pm_getinternalstate();
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switch (internal_state)
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{
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case MODEM_PM_INTERNAL_STATE_SLEEP:
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case MODEM_PM_INTERNAL_STATE_GOING_TO_WAKE:
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get_state = MODEM_PM_STATE_SLEEP;
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break;
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case MODEM_PM_INTERNAL_STATE_WAKE:
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case MODEM_PM_INTERNAL_STATE_GOING_TO_SLEEP:
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get_state = MODEM_PM_STATE_WAKE;
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break;
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default:
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get_state = MODEM_PM_STATE_WAKE;
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break;
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}
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return get_state;
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}
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/****************************************************************************
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* Name: altmdm_pm_getinternalstate
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*
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* Description:
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* Get internal modem state.
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*
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****************************************************************************/
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uint32_t altmdm_pm_getinternalstate(void)
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{
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uint32_t get_state;
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irqstate_t flags;
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flags = enter_critical_section();
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get_state = g_stateofmodem;
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leave_critical_section(flags);
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return get_state;
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}
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/****************************************************************************
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* Name: altmdm_pm_setinternalstate
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*
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* Description:
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* Set internal modem state.
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*
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****************************************************************************/
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void altmdm_pm_setinternalstate(uint32_t state)
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{
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irqstate_t flags;
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#ifdef CONFIG_MODEM_PM_PUTSTATE
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uint32_t prev_state;
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#endif
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if (state < MODEM_PM_INTERNAL_STATE_MAX)
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{
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flags = enter_critical_section();
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#ifdef CONFIG_MODEM_PM_PUTSTATE
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prev_state = g_stateofmodem;
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#endif
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g_stateofmodem = state;
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leave_critical_section(flags);
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#ifdef CONFIG_MODEM_PM_PUTSTATE
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m_err("MODEM State [%d:%s]-->[%d:%s]\n",
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prev_state, g_putstring[prev_state], state, g_putstring[state]);
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#endif
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}
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}
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#endif
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