added set_Frequency to mcpwm.c

changes mcpwm to upDown Timer

main/include/mcpwm.h

@@ -9,7 +9,9 @@ typedef enum {
 } Phase;
 
 void mcpwm_init();
-void set_mcpwm_output(Phase highside, Phase lowside, float Duty);
-void set_mcpwm_duty(float Duty);
+esp_err_t set_mcpwm_output(Phase highside, Phase lowside);
+esp_err_t set_mcpwm_duty(float duty);
+esp_err_t set_mcpwm_frequenzy(uint16_t frequenzy);
 void get_comps(mcpwm_cmpr_handle_t comps[3]);
+float get_duty();
 #endif