48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
/*
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* PD Buddy Firmware Library - USB Power Delivery for everyone
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* Copyright 2017-2018 Clayton G. Hobbs
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef PDB_FUSB_USER_H
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#define PDB_FUSB_USER_H
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#include <stdint.h>
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/*
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* Read multiple bytes from the FUSB302B
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*
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* cfg: The FUSB302B to communicate with
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* addr: The memory address from which to read
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* size: The number of bytes to read
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* buf: The buffer into which data will be read
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*/
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bool fusb_read_buf(uint8_t addr, uint8_t size, uint8_t *buf);
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/*
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* Write multiple bytes to the FUSB302B
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*
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* cfg: The FUSB302B to communicate with
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* addr: The memory address to which we will write
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* size: The number of bytes to write
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* buf: The buffer to write
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*/
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bool fusb_write_buf(uint8_t addr, uint8_t size, const uint8_t *buf);
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// Used to poll for the device existing on the I2C bus. This should return non-zero if the device is responding on the bus
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bool fusb302_detect();
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// Once this is called IRQ's should be enabled and routed to the IRQ handler thread
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void setupFUSBIRQ();
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// This should return true if the IRQ line for the FUSB302 is still held low
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bool getFUS302IRQLow();
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#endif /* PDB_FUSB302B_H */
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