41 lines
1.1 KiB
C
41 lines
1.1 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_PWM_H
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#define ENE_KB1200_PWM_H
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/**
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* Structure type to access Pulse Width Modulation (PWM).
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*/
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struct pwm_regs {
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volatile uint16_t PWMCFG; /*Configuration Register */
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volatile uint16_t Reserved0; /*Reserved */
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volatile uint16_t PWMHIGH; /*High Length Register */
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volatile uint16_t Reserved1; /*Reserved */
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volatile uint16_t PWMCYC; /*Cycle Length Register */
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volatile uint16_t Reserved2; /*Reserved */
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volatile uint32_t PWMCHC; /*Current High/Cycle Length Register */
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};
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#define PWM_SOURCE_CLK_32M 0x0000
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#define PWM_SOURCE_CLK_1M 0x4000
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#define PWM_SOURCE_CLK_32_768K 0x8000
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#define PWM_PRESCALER_BIT_S 8
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#define PWM_RULE0 0x0000
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#define PWM_RULE1 0x0080
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#define PWM_PUSHPULL 0x0000
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#define PWM_OPENDRAIN 0x0002
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#define PWM_ENABLE 0x0001
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#define PWM_INPUT_FREQ_HI 32000000u
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#define PWM_MAX_PRESCALER (1UL << (6))
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#define PWM_MAX_CYCLES (1UL << (14))
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#endif /* ENE_KB1200_PWM_H */
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