2018-12-24 18:49:00 +08:00
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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2017-09-06 <EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD> first version
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*/
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2017-07-18 11:28:02 +08:00
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#ifndef __OPENLOONGSON_PWM_H
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#define __OPENLOONGSON_PWM_H
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// pwm<77><6D><EFBFBD>Ŷ<EFBFBD><C5B6><EFBFBD>
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#define LS1C_PWM0_GPIO06 (6) // gpio06<30><36><EFBFBD><EFBFBD>pwm0
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#define LS1C_PWM0_GPIO04 (4) // gpio04<30><34><EFBFBD><EFBFBD>Ϊpwm0
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#define LS1C_PWM1_GPIO92 (92) // gpio92<39><32><EFBFBD><EFBFBD>pwm1
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#define LS1C_PWM1_GPIO05 (5) // gpio05<30><35><EFBFBD><EFBFBD>Ϊpwm1
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#define LS1C_PWM2_GPIO52 (52) // gpio52<35><32><EFBFBD><EFBFBD>Ϊpwm2
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#define LS1C_PWM2_GPIO46 (46) // gpio46<34><36><EFBFBD><EFBFBD>Ϊpwm2
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#define LS1C_PWM3_GPIO47 (47) // gpio47<34><37><EFBFBD><EFBFBD>Ϊpwm3
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#define LS1C_PWM3_GPIO53 (53) // gpio53<35><33><EFBFBD><EFBFBD>Ϊpwm3
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// ...<2E><><EFBFBD><EFBFBD>һЩgpio<69><6F><EFBFBD>Ը<EFBFBD><D4B8><EFBFBD>Ϊgpio<69>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><D4BC><EFBFBD><EFBFBD><EFBFBD>
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// pwm<77><6D><EFBFBD>ƼĴ<C6BC><C4B4><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><C3BF>bit
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#define LS1C_PWM_INT_LRC_EN (11) // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ʹ<EFBFBD><CAB9>
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#define LS1C_PWM_INT_HRC_EN (10) // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ʹ<EFBFBD><CAB9>
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#define LS1C_PWM_CNTR_RST (7) // ʹ<><CAB9>CNTR<54><52><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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#define LS1C_PWM_INT_SR (6) // <20>ж<EFBFBD>״̬λ
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#define LS1C_PWM_INTEN (5) // <20>ж<EFBFBD>ʹ<EFBFBD><CAB9>λ
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#define LS1C_PWM_SINGLE (4) // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
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#define LS1C_PWM_OE (3) // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>
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#define LS1C_PWM_CNT_EN (0) // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>
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// Ӳ<><D3B2>pwm<77><6D><EFBFBD><EFBFBD>ģʽ
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enum
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{
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// <20><><EFBFBD><EFBFBD>ģʽ--<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>pwm<77><6D><EFBFBD><EFBFBD>
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PWM_MODE_NORMAL = 0,
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<C4A3><CABD>ÿ<EFBFBD>ε<EFBFBD><CEB5><EFBFBD>ֻ<EFBFBD><D6BB><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>壬<EFBFBD><E5A3AC><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>pwm<77><6D><EFBFBD><EFBFBD>
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PWM_MODE_PULSE
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};
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// Ӳ<><D3B2>pwm<77><6D>Ϣ
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typedef struct
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{
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unsigned int gpio; // PWMn<4D><6E><EFBFBD>ڵ<EFBFBD>gpio
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unsigned int mode; // <20><><EFBFBD><EFBFBD>ģʽ(<28><><EFBFBD><EFBFBD><EFBFBD>塢<EFBFBD><E5A1A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
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float duty; // pwm<77><6D>ռ<EFBFBD>ձ<EFBFBD>
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unsigned long period_ns; // pwm<77><6D><EFBFBD><EFBFBD>(<28><>λns)
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}pwm_info_t;
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/*
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* <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>PWMn
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* @pwm_info PWMn<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϸ<EFBFBD><EFBFBD>Ϣ
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*/
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void pwm_init(pwm_info_t *pwm_info);
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/*
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* <EFBFBD><EFBFBD>ֹpwm
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* @pwm_info PWMn<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϸ<EFBFBD><EFBFBD>Ϣ
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*/
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void pwm_disable(pwm_info_t *pwm_info);
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/*
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* ʹ<EFBFBD><EFBFBD>PWM
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* @pwm_info PWMn<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϸ<EFBFBD><EFBFBD>Ϣ
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*/
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void pwm_enable(pwm_info_t *pwm_info);
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#endif
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