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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup lpc_timer
*
* @brief Timer API.
*/
/*
* Copyright (c) 2009 embedded brains GmbH. 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.
*
* 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 OWNER 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.
*/
#ifndef LIBBSP_ARM_SHARED_LPC_TIMER_H
#define LIBBSP_ARM_SHARED_LPC_TIMER_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup lpc_timer Timer Support
*
* @ingroup RTEMSBSPsARMLPC24XX
* @ingroup RTEMSBSPsARMLPC32XX
*
* @brief Timer support.
*
* @{
*/
/**
* @name Interrupt Register Defines
*
* @{
*/
#define LPC_TIMER_IR_MR0 0x1U
#define LPC_TIMER_IR_MR1 0x2U
#define LPC_TIMER_IR_MR2 0x4U
#define LPC_TIMER_IR_MR3 0x8U
#define LPC_TIMER_IR_CR0 0x10U
#define LPC_TIMER_IR_CR1 0x20U
#define LPC_TIMER_IR_CR2 0x40U
#define LPC_TIMER_IR_CR3 0x80U
#define LPC_TIMER_IR_ALL 0xffU
/** @} */
/**
* @name Timer Control Register Defines
*
* @{
*/
#define LPC_TIMER_TCR_EN 0x1U
#define LPC_TIMER_TCR_RST 0x2U
/** @} */
/**
* @name Match Control Register Defines
*
* @{
*/
#define LPC_TIMER_MCR_MR0_INTR 0x1U
#define LPC_TIMER_MCR_MR0_RST 0x2U
#define LPC_TIMER_MCR_MR0_STOP 0x4U
#define LPC_TIMER_MCR_MR1_INTR 0x8U
#define LPC_TIMER_MCR_MR1_RST 0x10U
#define LPC_TIMER_MCR_MR1_STOP 0x20U
#define LPC_TIMER_MCR_MR2_INTR 0x40U
#define LPC_TIMER_MCR_MR2_RST 0x80U
#define LPC_TIMER_MCR_MR2_STOP 0x100U
#define LPC_TIMER_MCR_MR3_INTR 0x200U
#define LPC_TIMER_MCR_MR3_RST 0x400U
#define LPC_TIMER_MCR_MR3_STOP 0x800U
/** @} */
/**
* @name Capture Control Register Defines
*
* @{
*/
#define LPC_TIMER_CCR_CAP0_RE 0x1U
#define LPC_TIMER_CCR_CAP0_FE 0x2U
#define LPC_TIMER_CCR_CAP0_INTR 0x4U
#define LPC_TIMER_CCR_CAP1_RE 0x8U
#define LPC_TIMER_CCR_CAP1_FE 0x10U
#define LPC_TIMER_CCR_CAP1_INTR 0x20U
#define LPC_TIMER_CCR_CAP2_RE 0x40U
#define LPC_TIMER_CCR_CAP2_FE 0x80U
#define LPC_TIMER_CCR_CAP2_INTR 0x100U
#define LPC_TIMER_CCR_CAP3_RE 0x200U
#define LPC_TIMER_CCR_CAP3_FE 0x400U
#define LPC_TIMER_CCR_CAP3_INTR 0x800U
/** @} */
/**
* @name External Match Register Defines
*
* @{
*/
#define LPC_TIMER_EMR_EM0_RE 0x1U
#define LPC_TIMER_EMR_EM1_FE 0x2U
#define LPC_TIMER_EMR_EM2_INTR 0x4U
#define LPC_TIMER_EMR_EM3_RE 0x8U
#define LPC_TIMER_EMR_EMC0_FE 0x10U
#define LPC_TIMER_EMR_EMC1_INTR 0x20U
#define LPC_TIMER_EMR_EMC2_RE 0x40U
#define LPC_TIMER_EMR_EMC3_FE 0x80U
/** @} */
/**
* @brief Timer control block.
*/
typedef struct {
uint32_t ir;
uint32_t tcr;
uint32_t tc;
uint32_t pr;
uint32_t pc;
uint32_t mcr;
uint32_t mr0;
uint32_t mr1;
uint32_t mr2;
uint32_t mr3;
uint32_t ccr;
uint32_t cr0;
uint32_t cr1;
uint32_t cr2;
uint32_t cr3;
uint32_t emr;
uint32_t ctcr;
} lpc_timer;
/** @} */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_ARM_SHARED_LPC_TIMER_H */
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