40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
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/*
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* Copyright (c) 2024 ENE Technology Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ENE_KB1200_TACHO_H
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#define ENE_KB1200_TACHO_H
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/**
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* brief Structure type to access TACHO.
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*/
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struct tacho_regs {
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volatile uint16_t TACHOCFG; /*Configuration Register */
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volatile uint16_t Reserved0; /*Reserved */
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volatile uint8_t TACHOIE; /*Interrupt Enable Register */
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volatile uint8_t Reserved1[3]; /*Reserved */
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volatile uint8_t TACHOPF; /*Event Pending Flag Register */
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volatile uint8_t Reserved2[3]; /*Reserved */
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volatile uint16_t TACHOCV; /*TACHO0 Counter Value Register */
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volatile uint16_t Reserved3; /*Reserved */
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};
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#define TACHO_CNT_MAX_VALUE 0x7FFF
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#define TACHO_TIMEOUT_EVENT 0x02
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#define TACHO_UPDATE_EVENT 0x01
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#define TACHO_MONITOR_CLK_64US 0
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#define TACHO_MONITOR_CLK_16US 1
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#define TACHO_MONITOR_CLK_8US 2
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#define TACHO_MONITOR_CLK_2US 3
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#define TACHO_FUNCTION_ENABLE 0x0001
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#define TACHO_RING_EDGE_SAMPLE 0x0000
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#define TACHO_EDGE_CHANGE_SAMPLE 0x0080
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#define TACHO_FILTER_ENABLE 0x8000
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#endif /* ENE_KB1200_TACHO_H */
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