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//*****************************************************************************
//
// am_hal_tpiu.h
//! @file
//!
//! @brief Definitions and structures for working with the TPIU.
//!
//! @addtogroup tpiu2 Trace Port Interface Unit (TPIU)
//! @ingroup apollo2hal
//! @{
//
//*****************************************************************************
//*****************************************************************************
//
// Copyright (c) 2017, Ambiq Micro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.2.11 of the AmbiqSuite Development Package.
//
//*****************************************************************************
#ifndef AM_HAL_TPIU_H
#define AM_HAL_TPIU_H
#include <stdint.h>
//*****************************************************************************
//
// TPIU bit rate defines.
//
//*****************************************************************************
#define AM_HAL_TPIU_BAUD_57600 (115200 / 2)
#define AM_HAL_TPIU_BAUD_115200 (115200 * 1)
#define AM_HAL_TPIU_BAUD_230400 (115200 * 2)
#define AM_HAL_TPIU_BAUD_460800 (115200 * 4)
#define AM_HAL_TPIU_BAUD_500000 (1000000 / 2)
#define AM_HAL_TPIU_BAUD_1M (1000000 * 1)
#define AM_HAL_TPIU_BAUD_2M (1000000 * 2)
#define AM_HAL_TPIU_BAUD_DEFAULT (AM_HAL_TPIU_BAUD_1M)
//*****************************************************************************
//
// TPIU register defines.
//
//*****************************************************************************
#define AM_HAL_TPIU_SSPSR 0xE0040000 //! Supported Parallel Port Sizes
#define AM_HAL_TPIU_CSPSR 0xE0040004 //! Current Parallel Port Size
#define AM_HAL_TPIU_ACPR 0xE0040010 //! Asynchronous Clock Prescaler
#define AM_HAL_TPIU_SPPR 0xE00400F0 //! Selected Pin Protocol
#define AM_HAL_TPIU_TYPE 0xE0040FC8 //! TPIU Type
//*****************************************************************************
//
// TPIU ACPR defines.
//
//*****************************************************************************
#define AM_HAL_TPIU_ACPR_SWOSCALER_M 0x0000FFFF //! SWO baud rate prescalar
//*****************************************************************************
//
// TPIU_SPPR TXMODE defines.
//
//*****************************************************************************
#define AM_HAL_TPIU_SPPR_PARALLEL 0x00000000
#define AM_HAL_TPIU_SPPR_MANCHESTER 0x00000001
#define AM_HAL_TPIU_SPPR_NRZ 0x00000002
//*****************************************************************************
//
// TPIU Type defines
//
//*****************************************************************************
#define AM_HAL_TPIU_TYPE_NRZVALID 0x00000800
#define AM_HAL_TPIU_TYPE_MANCVALID 0x00000400
#define AM_HAL_TPIU_TYPE_PTINVALID 0x00000200
#define AM_HAL_TPIU_TYPE_FIFOSZ_M 0x000001C0
//*****************************************************************************
//
// TPIU Clock defines
//
//*****************************************************************************
#define AM_HAL_TPIU_TRACECLKIN_6MHZ AM_REG_MCUCTRL_TPIUCTRL_TPIUCLKSEL(0)
#define AM_HAL_TPIU_TRACECLKIN_3MHZ AM_REG_MCUCTRL_TPIUCTRL_TPIUCLKSEL(1)
#define AM_HAL_TPIU_TRACECLKIN_1_5MHZ AM_REG_MCUCTRL_TPIUCTRL_TPIUCLKSEL(2)
#define AM_HAL_TPIU_TRACECLKIN_750KHZ AM_REG_MCUCTRL_TPIUCTRL_TPIUCLKSEL(3)
//*****************************************************************************
//
//! @brief Structure used for configuring the TPIU
//
//*****************************************************************************
typedef struct
{
//
// If ui32SetItmBaud is non-zero, the ITM frequency is set to the given
// frequency, and is based on a divide-by-8 HFRC TPIU clock.
// If zero, other structure members are used to set the TPIU configuration.
//
uint32_t ui32SetItmBaud;
//
//! MCU Control TRACECLKIN clock freq.
//!
//! Valid values for ui32TraceClkIn are:
//!
//! AM_HAL_TPIU_TRACECLKIN_6MHZ
//! AM_HAL_TPIU_TRACECLKIN_3MHZ
//! AM_HAL_TPIU_TRACECLKIN_1_5MHZ
//! AM_HAL_TPIU_TRACECLKIN_750KHZ
//
uint32_t ui32TraceClkIn;
//
//! Protocol to use for the TPIU
//!
//! Valid values for ui32PinProtocol are:
//!
//! AM_HAL_TPIU_SPPR_PARALLEL
//! AM_HAL_TPIU_SPPR_MANCHESTER
//! AM_HAL_TPIU_SPPR_NRZ
//
uint32_t ui32PinProtocol;
//
//! Desired width of the TPIU parallel port
//
uint32_t ui32ParallelPortSize;
//
//! Desired Clock prescaler value
//
uint32_t ui32ClockPrescaler;
}
am_hal_tpiu_config_t;
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// External function definitions
//
//*****************************************************************************
extern void am_hal_tpiu_clock_enable(void);
extern void am_hal_tpiu_clock_disable(void);
extern void am_hal_tpiu_port_width_set(uint32_t ui32PortWidth);
extern uint32_t am_hal_tpiu_supported_port_width_get(void);
extern uint32_t am_hal_tpiu_port_width_get(void);
extern void am_hal_tpiu_configure(am_hal_tpiu_config_t *psConfig);
extern void am_hal_tpiu_enable(am_hal_tpiu_config_t *psConfig);
extern void am_hal_tpiu_disable(void);
#ifdef __cplusplus
}
#endif
#endif // AM_HAL_TPIU_H
//*****************************************************************************
//
// End Doxygen group.
//! @}
//
//*****************************************************************************
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