Basic PWM implementation [WIP]

extras/pwm/pwm.h

@@ -0,0 +1,11 @@
+#include <stdint.h>
+
+#define MAX_PWM_PINS    8
+
+void pwm_init(uint8_t npins, uint8_t* pins);
+void pwm_set_freq(uint16_t freq);
+void pwm_set_duty(uint16_t duty);
+
+void pwm_restart();
+void pwm_start();
+void pwm_stop();