2014-12-22 12:35:05 +01:00
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#ifndef __PWM_H__
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#define __PWM_H__
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#define PWM_CHANNEL 6
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struct pwm_single_param {
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uint16 gpio_set;
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uint16 gpio_clear;
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uint32 h_time;
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};
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struct pwm_param {
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uint32 period;
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uint16 freq;
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uint16 duty[PWM_CHANNEL];
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};
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#define PWM_DEPTH 1023
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#define PWM_FREQ_MAX 1000
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#define PWM_1S 1000000
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// #define PWM_0_OUT_IO_MUX PERIPHS_IO_MUX_MTMS_U
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// #define PWM_0_OUT_IO_NUM 14
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// #define PWM_0_OUT_IO_FUNC FUNC_GPIO14
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// #define PWM_1_OUT_IO_MUX PERIPHS_IO_MUX_MTDI_U
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// #define PWM_1_OUT_IO_NUM 12
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// #define PWM_1_OUT_IO_FUNC FUNC_GPIO12
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// #define PWM_2_OUT_IO_MUX PERIPHS_IO_MUX_MTCK_U
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// #define PWM_2_OUT_IO_NUM 13
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// #define PWM_2_OUT_IO_FUNC FUNC_GPIO13
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void pwm_init(uint16 freq, uint16 *duty);
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2016-02-18 03:07:33 +01:00
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bool pwm_start(void);
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2014-12-22 12:35:05 +01:00
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void pwm_set_duty(uint16 duty, uint8 channel);
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uint16 pwm_get_duty(uint8 channel);
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void pwm_set_freq(uint16 freq, uint8 channel);
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uint16 pwm_get_freq(uint8 channel);
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bool pwm_add(uint8 channel);
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bool pwm_delete(uint8 channel);
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bool pwm_exist(uint8 channel);
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#endif
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