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Diffstat (limited to 'watch-library/hal/include/hpl_i2c_s_sync.h')
| -rw-r--r-- | watch-library/hal/include/hpl_i2c_s_sync.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/watch-library/hal/include/hpl_i2c_s_sync.h b/watch-library/hal/include/hpl_i2c_s_sync.h new file mode 100644 index 00000000..93b59345 --- /dev/null +++ b/watch-library/hal/include/hpl_i2c_s_sync.h @@ -0,0 +1,184 @@ +/** + * \file + * + * \brief I2C Slave Hardware Proxy Layer(HPL) declaration. + * + * Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries. + * + * \asf_license_start + * + * \page License + * + * Subject to your compliance with these terms, you may use Microchip + * software and any derivatives exclusively with Microchip products. + * It is your responsibility to comply with third party license terms applicable + * to your use of third party software (including open source software) that + * may accompany Microchip software. + * + * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, + * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, + * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, + * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE + * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL + * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE + * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE + * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT + * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY + * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY, + * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE. + * + * \asf_license_stop + * + */ +#ifndef _HPL_I2C_S_SYNC_H_INCLUDED +#define _HPL_I2C_S_SYNC_H_INCLUDED + +#include <compiler.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \brief I2C Slave status type + */ +typedef uint32_t i2c_s_status_t; + +/** + * \brief i2c slave device structure + */ +struct _i2c_s_sync_device { + void *hw; +}; + +#include <compiler.h> + +/** + * \name HPL functions + */ + +/** + * \brief Initialize synchronous I2C slave + * + * This function does low level I2C configuration. + * + * \param[in] device The pointer to i2c slave device structure + * + * \return Return 0 for success and negative value for error + */ +int32_t _i2c_s_sync_init(struct _i2c_s_sync_device *const device, void *const hw); + +/** + * \brief Deinitialize synchronous I2C slave + * + * \param[in] device The pointer to i2c slave device structure + * + * \return Return 0 for success and negative value for error + */ +int32_t _i2c_s_sync_deinit(struct _i2c_s_sync_device *const device); + +/** + * \brief Enable I2C module + * + * This function does low level I2C enable. + * + * \param[in] device The pointer to i2c slave device structure + * + * \return Return 0 for success and negative value for error + */ +int32_t _i2c_s_sync_enable(struct _i2c_s_sync_device *const device); + +/** + * \brief Disable I2C module + * + * This function does low level I2C disable. + * + * \param[in] device The pointer to i2c slave device structure + * + * \return Return 0 for success and negative value for error + */ +int32_t _i2c_s_sync_disable(struct _i2c_s_sync_device *const device); + +/** + * \brief Check if 10-bit addressing mode is on + * + * \param[in] device The pointer to i2c slave device structure + * + * \return Cheking status + * \retval 1 10-bit addressing mode is on + * \retval 0 10-bit addressing mode is off + */ +int32_t _i2c_s_sync_is_10bit_addressing_on(const struct _i2c_s_sync_device *const device); + +/** + * \brief Set I2C slave address + * + * \param[in] device The pointer to i2c slave device structure + * \param[in] address Address to set + * + * \return Return 0 for success and negative value for error + */ +int32_t _i2c_s_sync_set_address(struct _i2c_s_sync_device *const device, const uint16_t address); + +/** + * \brief Write a byte to the given I2C instance + * + * \param[in] device The pointer to i2c slave device structure + * \param[in] data Data to write + */ +void _i2c_s_sync_write_byte(struct _i2c_s_sync_device *const device, const uint8_t data); + +/** + * \brief Retrieve I2C slave status + * + * \param[in] device The pointer to i2c slave device structure + * + *\return I2C slave status + */ +i2c_s_status_t _i2c_s_sync_get_status(const struct _i2c_s_sync_device *const device); + +/** + * \brief Clear the Data Ready interrupt flag + * + * \param[in] device The pointer to i2c slave device structure + * + * \return Return 0 for success and negative value for error + */ +int32_t _i2c_s_sync_clear_data_ready_flag(const struct _i2c_s_sync_device *const device); + +/** + * \brief Read a byte from the given I2C instance + * + * \param[in] device The pointer to i2c slave device structure + * + * \return Data received via I2C interface. + */ +uint8_t _i2c_s_sync_read_byte(const struct _i2c_s_sync_device *const device); + +/** + * \brief Check if I2C is ready to send next byte + * + * \param[in] device The pointer to i2c slave device structure + * + * \return Status of the ready check. + * \retval true if the I2C is ready to send next byte + * \retval false if the I2C is not ready to send next byte + */ +bool _i2c_s_sync_is_byte_sent(const struct _i2c_s_sync_device *const device); + +/** + * \brief Check if there is data received by I2C + * + * \param[in] device The pointer to i2c slave device structure + * + * \return Status of the data received check. + * \retval true if the I2C has received a byte + * \retval false if the I2C has not received a byte + */ +bool _i2c_s_sync_is_byte_received(const struct _i2c_s_sync_device *const device); + +#ifdef __cplusplus +} +#endif + +#endif /* _HPL_I2C_S_SYNC_H_INCLUDED */ |