pic_pwm.c File Reference

Include dependency graph for pic_pwm.c:

Functions

uns8 pwm_get_level (uns8 pwm_item)
void pwm_handle ()
void pwm_set_level (uns8 pwm_item, uns8 level)
void pwm_set_transition (uns8 pwm_item, uns8 to_level, uns16 steps)
void pwm_setup_io ()

Variables

uns8 pwm_count
uns8 pwm_level [PWM_NUM_PINS]

Function Documentation

uns8 pwm_get_level ( uns8  pwm_item  ) 

00050                                   {
00051     return pwm_level[pwm_item];
00052 }   

void pwm_handle (  ) 

00070                   {
00071     uns8 count;
00072     
00073     pwm_count++;
00074     
00075     if (pwm_count == 0) {   // Turn them all on
00076         set_pin(PWM_PORT_0, PWM_PIN_0);
00077         #if PWM_NUM_PINS > 1
00078             set_pin(PWM_PORT_1, PWM_PIN_1);
00079         #endif
00080         #if PWM_NUM_PINS > 2
00081             set_pin(PWM_PORT_2, PWM_PIN_2);
00082         #endif
00083     }
00084     if (pwm_level[0] == pwm_count) {
00085         clear_pin(PWM_PORT_0, PWM_PIN_0);
00086     }   
00087     #if PWM_NUM_PINS > 1
00088         if (pwm_level[1] == pwm_count) {
00089             clear_pin(PWM_PORT_1, PWM_PIN_1);
00090         }
00091     #endif      
00092     #if PWM_NUM_PINS > 2
00093         if (pwm_level[2] == pwm_count) {
00094             clear_pin(PWM_PORT_2, PWM_PIN_2);
00095         }
00096     #endif      
00097 }

void pwm_set_level ( uns8  pwm_item,
uns8  level 
)

00045                                               {
00046     
00047     pwm_level[pwm_item] = level;
00048 }

void pwm_set_transition ( uns8  pwm_item,
uns8  to_level,
uns16  steps 
)

00054                                                                    {
00055 }   

void pwm_setup_io (  ) 

00058                     {
00059 
00060     make_output(PWM_PORT_0, PWM_PIN_0);
00061     #if PWM_NUM_PINS > 1
00062         make_output(PWM_PORT_1, PWM_PIN_1);
00063     #endif
00064     #if PWM_NUM_PINS > 2
00065         make_output(PWM_PORT_2, PWM_PIN_2);
00066     #endif
00067 
00068 }   


Variable Documentation

uns8 pwm_count
uns8 pwm_level[PWM_NUM_PINS]

Generated on Fri Aug 19 09:07:59 2011 for Pic Pack Library by  doxygen 1.6.1