140 lines
4.9 KiB
C
140 lines
4.9 KiB
C
//*****************************************************************************
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//
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//! @file am_devices_em9304.h
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//!
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//! @brief Support functions for the EM Micro EM9304 BTLE radio.
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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// Copyright (c) 2020, Ambiq Micro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// Third party software included in this distribution is subject to the
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// additional license terms as defined in the /docs/licenses directory.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// This is part of revision 2.4.2 of the AmbiqSuite Development Package.
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//
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//*****************************************************************************
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#ifndef AM_DEVICES_EM9304_H
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#define AM_DEVICES_EM9304_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//*****************************************************************************
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//
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// EM9304 device structure
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//
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//*****************************************************************************
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typedef struct
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{
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//
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// MODE UART vs IOM SPI
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//
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uint32_t ui32Mode;
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//
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// IOM Module #
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//
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uint32_t ui32IOMModule;
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//
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// IOM Chip Select NOTE: this driver uses GPIO for chip selects
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//
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uint32_t ui32IOMChipSelect;
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//
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// GPIO # for EM9304 DREADY signal
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//
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uint32_t ui32DREADY;
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}
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am_devices_em9304_t;
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extern const am_devices_em9304_t g_sEm9304;
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#if defined(AM_PART_APOLLO) || defined(AM_PART_APOLLO2)
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extern const am_hal_iom_config_t g_sEm9304IOMConfigSPI;
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//*****************************************************************************
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//
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// External function definitions
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//
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//*****************************************************************************
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extern bool am_devices_em9304_mac_set(const uint8_t *pui8MacAddress);
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extern uint32_t am_devices_em9304_block_read(const am_devices_em9304_t *psDevice,
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uint32_t *pui32Values,
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uint32_t ui32NumBytes);
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extern void am_devices_em9304_block_write(const am_devices_em9304_t *psDevice,
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uint8_t type,
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uint8_t *pui8Values,
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uint32_t ui32NumBytes);
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extern void am_devices_em9304_spi_init(uint32_t ui32Module, const am_hal_iom_config_t *psIomConfig);
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extern uint8_t am_devices_em9304_tx_starts(const am_devices_em9304_t *psDevice);
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extern void am_devices_em9304_tx_ends(void);
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extern void am_devices_em9304_config_pins(void);
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extern void am_devices_em9304_spi_sleep(uint32_t ui32Module);
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extern void am_devices_em9304_spi_awake(uint32_t ui32Module);
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extern void am_devices_em9304_enable_interrupt(void);
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extern void am_devices_em9304_disable_interrupt(void);
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#endif // defined(AM_PART_APOLLO) || defined(AM_PART_APOLLO2)
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#if (defined(AM_PART_APOLLO3) || defined(AM_PART_APOLLO3P))
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typedef enum
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{
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AM_DEVICES_EM9304_STATUS_SUCCESS,
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AM_DEVICES_EM9304_STATUS_ERROR
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} am_devices_em9304_status_t;
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typedef struct
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{
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uint32_t ui32ClockFreq;
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uint32_t *pNBTxnBuf;
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uint32_t ui32NBTxnBufLength;
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} am_devices_em9304_config_t;
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#define AM_DEVICES_EM9304_MAX_DEVICE_NUM 1
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extern uint32_t am_devices_em9304_init(uint32_t ui32Module, am_devices_em9304_config_t *pDevConfig, void **ppHandle, void **ppIomHandle);
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extern uint32_t am_devices_em9304_term(void *pHandle);
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#endif // defined(AM_PART_APOLLO3)
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#ifdef __cplusplus
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}
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#endif
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#endif // AM_DEVICES_EM9304_H
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