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update package/pikaRTDevice/pikaRTDevice_PWM.c.

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李昂 2022-03-21 12:34:06 +00:00 committed by Gitee
parent 0d2d21c84f
commit 324f73dae9
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1 changed files with 20 additions and 0 deletions
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20
package/pikaRTDevice/pikaRTDevice_PWM.c
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@ -3,21 +3,32 @@
#include <rtthread.h>
struct rt_device_pwm* PWM_getDevice(PikaObj* self) {
#ifdef RT_USING_PWM
char* name = obj_getStr(self, "name");
rt_device_t pwm_device = rt_device_find(name);
if(NULL == pwm_device){
printf("[error] PWM: device \"%s\" no found.\r\n", name);
}
return (struct rt_device_pwm*)pwm_device;
#else
__platform_printf("[error]: gpio driver is no enable, please check the RT_USING_PWM macro. \r\n");
while(1);
#endif
}
void pikaRTDevice_PWM_platformEnable(PikaObj* self) {
#ifdef RT_USING_PWM
struct rt_device_pwm* pwm_dev = PWM_getDevice(self);
int ch = obj_getInt(self, "ch");
rt_pwm_enable(pwm_dev, ch);
#else
__platform_printf("[error]: gpio driver is no enable, please check the RT_USING_PWM macro. \r\n");
while(1);
#endif
}
void pikaRTDevice_PWM_platformSetDuty(PikaObj* self) {
#ifdef RT_USING_PWM
struct rt_device_pwm* pwm_dev = PWM_getDevice(self);
int ch = obj_getInt(self, "ch");
int freq = obj_getInt(self, "freq");
@ -25,8 +36,17 @@ void pikaRTDevice_PWM_platformSetDuty(PikaObj* self) {
int period = (int)((1.0 / (float)freq) * 1000 * 1000);
int pulse = (int)((float)period * duty);
rt_pwm_set(pwm_dev, ch, period, pulse);
#else
__platform_printf("[error]: gpio driver is no enable, please check the RT_USING_PWM macro. \r\n");
while(1);
#endif
}
void pikaRTDevice_PWM_platformSetFrequency(PikaObj* self) {
#ifdef RT_USING_PWM
pikaRTDevice_PWM_platformSetDuty(self);
#else
__platform_printf("[error]: gpio driver is no enable, please check the RT_USING_PWM macro. \r\n");
while(1);
#endif
}