87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
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/****************************************************************************
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* drivers/wireless/ieee80211/bcm43xxx/bcmf_gpio.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 <stdbool.h>
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#include <nuttx/wireless/ieee80211/bcmf_gpio.h>
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#include "bcmf_cdc.h"
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#include "bcmf_interface.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: bcmf_set_gpio
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****************************************************************************/
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int bcmf_set_gpio(FAR struct bcmf_dev_s *priv, int pin, bool value)
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{
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struct
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{
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uint32_t mask;
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uint32_t value;
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} buffer;
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uint32_t buf_len = sizeof(buffer);
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if (!(((FAR bcmf_interface_dev_t *)priv->bus)->ready)) return -EIO;
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buffer.mask = 1 << pin;
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buffer.value = value ? (1 << pin) : 0;
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return bcmf_cdc_iovar_request(priv,
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CHIP_STA_INTERFACE,
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true,
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IOVAR_STR_GPIOOUT,
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(uint8_t *)&buffer,
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&buf_len);
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}
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/****************************************************************************
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* Name: bcmf_get_gpio
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****************************************************************************/
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int bcmf_get_gpio(FAR struct bcmf_dev_s *priv, int pin, bool *value)
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{
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uint8_t buffer;
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uint32_t buf_len = sizeof(buffer);
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int ret;
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if (!(((FAR bcmf_interface_dev_t *)priv->bus)->ready)) return -EIO;
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ret = bcmf_cdc_iovar_request(priv,
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CHIP_STA_INTERFACE,
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false,
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IOVAR_STR_CCGPIOIN,
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(uint8_t *)&buffer,
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&buf_len);
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if (ret != OK) return ret;
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*value = (buffer & (1 << pin)) != 0;
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return OK;
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}
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