nodemcu-firmware/app/include/driver/pwm.h

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);
bool 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