47 lines
1014 B
C
47 lines
1014 B
C
#ifndef __PWM_H__
|
|
#define __PWM_H__
|
|
|
|
#define PWM_CHANNEL 6
|
|
|
|
struct pwm_single_param {
|
|
uint16 gpio_set;
|
|
uint16 gpio_clear;
|
|
uint32 h_time;
|
|
};
|
|
|
|
struct pwm_param {
|
|
uint32 period;
|
|
uint16 freq;
|
|
uint16 duty[PWM_CHANNEL];
|
|
};
|
|
|
|
#define PWM_DEPTH 1023
|
|
#define PWM_FREQ_MAX 1000
|
|
|
|
#define PWM_1S 1000000
|
|
|
|
// #define PWM_0_OUT_IO_MUX PERIPHS_IO_MUX_MTMS_U
|
|
// #define PWM_0_OUT_IO_NUM 14
|
|
// #define PWM_0_OUT_IO_FUNC FUNC_GPIO14
|
|
|
|
// #define PWM_1_OUT_IO_MUX PERIPHS_IO_MUX_MTDI_U
|
|
// #define PWM_1_OUT_IO_NUM 12
|
|
// #define PWM_1_OUT_IO_FUNC FUNC_GPIO12
|
|
|
|
// #define PWM_2_OUT_IO_MUX PERIPHS_IO_MUX_MTCK_U
|
|
// #define PWM_2_OUT_IO_NUM 13
|
|
// #define PWM_2_OUT_IO_FUNC FUNC_GPIO13
|
|
|
|
void pwm_init(uint16 freq, uint16 *duty);
|
|
void pwm_start(void);
|
|
|
|
void pwm_set_duty(uint16 duty, uint8 channel);
|
|
uint16 pwm_get_duty(uint8 channel);
|
|
void pwm_set_freq(uint16 freq, uint8 channel);
|
|
uint16 pwm_get_freq(uint8 channel);
|
|
bool pwm_add(uint8 channel);
|
|
bool pwm_delete(uint8 channel);
|
|
bool pwm_exist(uint8 channel);
|
|
#endif
|
|
|