194 lines
6.9 KiB
C
194 lines
6.9 KiB
C
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//*****************************************************************************
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//
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// am_hal_tpiu.h
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//! @file
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//!
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//! @brief Definitions and structures for working with the TPIU.
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//!
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//! @addtogroup tpiu2 Trace Port Interface Unit (TPIU)
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//! @ingroup apollo2hal
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//! @{
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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// Copyright (c) 2017, 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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// 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 1.2.9 of the AmbiqSuite Development Package.
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//
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//*****************************************************************************
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#ifndef AM_HAL_TPIU_H
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#define AM_HAL_TPIU_H
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#include <stdint.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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// TPIU bit rate defines.
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//
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//*****************************************************************************
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#define AM_HAL_TPIU_BAUD_57600 (115200 / 2)
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#define AM_HAL_TPIU_BAUD_115200 (115200 * 1)
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#define AM_HAL_TPIU_BAUD_230400 (115200 * 2)
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#define AM_HAL_TPIU_BAUD_460800 (115200 * 4)
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#define AM_HAL_TPIU_BAUD_500000 (1000000 / 2)
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#define AM_HAL_TPIU_BAUD_1M (1000000 * 1)
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#define AM_HAL_TPIU_BAUD_2M (1000000 * 2)
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#define AM_HAL_TPIU_BAUD_DEFAULT (AM_HAL_TPIU_BAUD_1M)
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//*****************************************************************************
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//
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// TPIU register defines.
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//
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//*****************************************************************************
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#define AM_HAL_TPIU_SSPSR 0xE0040000 //! Supported Parallel Port Sizes
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#define AM_HAL_TPIU_CSPSR 0xE0040004 //! Current Parallel Port Size
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#define AM_HAL_TPIU_ACPR 0xE0040010 //! Asynchronous Clock Prescaler
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#define AM_HAL_TPIU_SPPR 0xE00400F0 //! Selected Pin Protocol
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#define AM_HAL_TPIU_TYPE 0xE0040FC8 //! TPIU Type
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//*****************************************************************************
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//
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// TPIU ACPR defines.
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//
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//*****************************************************************************
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#define AM_HAL_TPIU_ACPR_SWOSCALER_M 0x0000FFFF //! SWO baud rate prescalar
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//*****************************************************************************
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//
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// TPIU_SPPR TXMODE defines.
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//
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//*****************************************************************************
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#define AM_HAL_TPIU_SPPR_PARALLEL 0x00000000
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#define AM_HAL_TPIU_SPPR_MANCHESTER 0x00000001
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#define AM_HAL_TPIU_SPPR_NRZ 0x00000002
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//*****************************************************************************
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//
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// TPIU Type defines
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//
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//*****************************************************************************
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#define AM_HAL_TPIU_TYPE_NRZVALID 0x00000800
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#define AM_HAL_TPIU_TYPE_MANCVALID 0x00000400
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#define AM_HAL_TPIU_TYPE_PTINVALID 0x00000200
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#define AM_HAL_TPIU_TYPE_FIFOSZ_M 0x000001C0
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//*****************************************************************************
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//
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// TPIU Clock defines
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//
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//*****************************************************************************
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#define AM_HAL_TPIU_TRACECLKIN_6MHZ AM_REG_MCUCTRL_TPIUCTRL_TPIUCLKSEL(0)
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#define AM_HAL_TPIU_TRACECLKIN_3MHZ AM_REG_MCUCTRL_TPIUCTRL_TPIUCLKSEL(1)
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#define AM_HAL_TPIU_TRACECLKIN_1_5MHZ AM_REG_MCUCTRL_TPIUCTRL_TPIUCLKSEL(2)
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#define AM_HAL_TPIU_TRACECLKIN_750KHZ AM_REG_MCUCTRL_TPIUCTRL_TPIUCLKSEL(3)
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//*****************************************************************************
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//
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//! @brief Structure used for configuring the TPIU
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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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// If ui32SetItmBaud is non-zero, the ITM frequency is set to the given
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// frequency, and is based on a divide-by-8 HFRC TPIU clock.
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// If zero, other structure members are used to set the TPIU configuration.
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//
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uint32_t ui32SetItmBaud;
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//
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//! MCU Control TRACECLKIN clock freq.
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//!
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//! Valid values for ui32TraceClkIn are:
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//!
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//! AM_HAL_TPIU_TRACECLKIN_6MHZ
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//! AM_HAL_TPIU_TRACECLKIN_3MHZ
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//! AM_HAL_TPIU_TRACECLKIN_1_5MHZ
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//! AM_HAL_TPIU_TRACECLKIN_750KHZ
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//
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uint32_t ui32TraceClkIn;
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//
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//! Protocol to use for the TPIU
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//!
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//! Valid values for ui32PinProtocol are:
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//!
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//! AM_HAL_TPIU_SPPR_PARALLEL
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//! AM_HAL_TPIU_SPPR_MANCHESTER
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//! AM_HAL_TPIU_SPPR_NRZ
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//
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uint32_t ui32PinProtocol;
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//
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//! Desired width of the TPIU parallel port
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//
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uint32_t ui32ParallelPortSize;
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//
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//! Desired Clock prescaler value
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//
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uint32_t ui32ClockPrescaler;
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}
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am_hal_tpiu_config_t;
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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 void am_hal_tpiu_clock_enable(void);
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extern void am_hal_tpiu_clock_disable(void);
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extern void am_hal_tpiu_port_width_set(uint32_t ui32PortWidth);
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extern uint32_t am_hal_tpiu_supported_port_width_get(void);
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extern uint32_t am_hal_tpiu_port_width_get(void);
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extern void am_hal_tpiu_configure(am_hal_tpiu_config_t *psConfig);
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extern void am_hal_tpiu_enable(am_hal_tpiu_config_t *psConfig);
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extern void am_hal_tpiu_disable(void);
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#ifdef __cplusplus
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}
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#endif
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#endif // AM_HAL_TPIU_H
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//*****************************************************************************
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//
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// End Doxygen group.
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//! @}
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//
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//*****************************************************************************
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