//*****************************************************************************
//
//  am_hal_itm.h
//! @file
//!
//! @brief Functions for accessing and configuring the ARM ITM.
//!
//! @addtogroup itm2 Instrumentation Trace Macrocell (ITM)
//! @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 1.2.9 of the AmbiqSuite Development Package.
//
//*****************************************************************************

#ifndef AM_HAL_ITM_H
#define AM_HAL_ITM_H

#ifdef __cplusplus
extern "C"
{
#endif

//*****************************************************************************
//
// Sync Packet Defines
//
//*****************************************************************************
#define AM_HAL_ITM_SYNC_REG             23
#define AM_HAL_ITM_SYNC_VAL             0xF8F8F8F8

//*****************************************************************************
//
// PrintF Setup
//
//*****************************************************************************
#define AM_HAL_ITM_PRINT_NUM_BYTES      1
#define AM_HAL_ITM_PRINT_NUM_REGS       1
extern uint32_t am_hal_itm_print_registers[AM_HAL_ITM_PRINT_NUM_REGS];

//*****************************************************************************
//
// External function definitions
//
//*****************************************************************************
extern void am_hal_itm_delay_us(uint32_t ui32MicroSeconds);
extern void am_hal_itm_enable(void);
extern void am_hal_itm_disable(void);
extern void am_hal_itm_not_busy(void);
extern void am_hal_itm_sync_send(void);
extern void am_hal_itm_trace_port_enable(uint8_t ui8portNum);
extern void am_hal_itm_trace_port_disable(uint8_t ui8portNum);
extern bool am_hal_itm_stimulus_not_busy(uint32_t ui32StimReg);
extern void am_hal_itm_stimulus_reg_word_write(uint32_t ui32StimReg,
                                                uint32_t ui32Value);
extern void am_hal_itm_stimulus_reg_short_write(uint32_t ui32StimReg,
                                                uint16_t ui16Value);
extern void am_hal_itm_stimulus_reg_byte_write(uint32_t ui32StimReg,
                                                uint8_t ui8Value);
extern bool am_hal_itm_print_not_busy(void);
extern void am_hal_itm_print(char *pcString);

#ifdef __cplusplus
}
#endif

#endif // AM_HAL_ITM_H

//*****************************************************************************
//
// End Doxygen group.
//! @}
//
//*****************************************************************************