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Diffstat (limited to 'watch-library/hardware/hal/include/hpl_i2c_s_async.h')
| -rw-r--r-- | watch-library/hardware/hal/include/hpl_i2c_s_async.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/watch-library/hardware/hal/include/hpl_i2c_s_async.h b/watch-library/hardware/hal/include/hpl_i2c_s_async.h new file mode 100644 index 00000000..92a5765d --- /dev/null +++ b/watch-library/hardware/hal/include/hpl_i2c_s_async.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_ASYNC_H_INCLUDED +#define _HPL_I2C_S_ASYNC_H_INCLUDED + +#include "hpl_i2c_s_sync.h" +#include "hpl_irq.h" +#include "utils.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \brief i2c callback types + */ +enum _i2c_s_async_callback_type { I2C_S_DEVICE_ERROR, I2C_S_DEVICE_TX, I2C_S_DEVICE_RX_COMPLETE }; + +/** + * \brief Forward declaration of I2C Slave device + */ +struct _i2c_s_async_device; + +/** + * \brief i2c slave callback function type + */ +typedef void (*_i2c_s_async_cb_t)(struct _i2c_s_async_device *device); + +/** + * \brief i2c slave callback pointers structure + */ +struct _i2c_s_async_callback { + void (*error)(struct _i2c_s_async_device *const device); + void (*tx)(struct _i2c_s_async_device *const device); + void (*rx_done)(struct _i2c_s_async_device *const device, const uint8_t data); +}; + +/** + * \brief i2c slave device structure + */ +struct _i2c_s_async_device { + void * hw; + struct _i2c_s_async_callback cb; + struct _irq_descriptor irq; +}; + +/** + * \name HPL functions + */ + +/** + * \brief Initialize asynchronous I2C slave + * + * This function does low level I2C configuration. + * + * \param[in] device The pointer to i2c interrupt device structure + * + * \return Return 0 for success and negative value for error + */ +int32_t _i2c_s_async_init(struct _i2c_s_async_device *const device, void *const hw); + +/** + * \brief Deinitialize asynchronous I2C in interrupt mode + * + * \param[in] device The pointer to i2c device structure + * + * \return Return 0 for success and negative value for error + */ +int32_t _i2c_s_async_deinit(struct _i2c_s_async_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_async_enable(struct _i2c_s_async_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_async_disable(struct _i2c_s_async_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_async_is_10bit_addressing_on(const struct _i2c_s_async_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_async_set_address(struct _i2c_s_async_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_async_write_byte(struct _i2c_s_async_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_async_get_status(const struct _i2c_s_async_device *const device); + +/** + * \brief Abort data transmission + * + * \param[in] device The pointer to i2c device structure + * + * \return Return 0 for success and negative value for error + */ +int32_t _i2c_s_async_abort_transmission(const struct _i2c_s_async_device *const device); + +/** + * \brief Enable/disable I2C slave interrupt + * + * param[in] device The pointer to I2C slave device instance + * param[in] type The type of interrupt to disable/enable if applicable + * param[in] disable Enable or disable + */ +int32_t _i2c_s_async_set_irq_state(struct _i2c_s_async_device *const device, const enum _i2c_s_async_callback_type type, + const bool disable); + +#ifdef __cplusplus +} +#endif + +#endif /* _HPL_I2C_S_ASYNC_H_INCLUDED */ |