timac1.h

示波器DIY全套资料

#define TIM__u8PwmOut         PORTD5
#define TIM__u8OffsetLevel    OCR1AL

/* Initial level for trace offset: TDB */
#define TIM__nInitPwmLevel    0x7f

#define nClk	              40000000
#define nSamplesPerDivision   20
#define f                     (nClk)/(nSamplesPerDivision)

#define TIM__astTimeBase \
{\
/* Prescaler          Counter              Text*/       \
{  5,                 62499,               " 1  s "},   \
{  4,                 62499,               "500 ms"},\
{  3,                 49999,               "200 ms"},\
{  2,                 49999,               "100 ms"},\
{  1,                 49999,               " 50 ms"}, \
{  0,                 39999,               " 20 ms"}, \
{  0,                 19999,               " 10 ms"}, \
{  0,                 9999,                " 5  ms"},  \
{  0,                 3999,                " 2  ms"},  \
{  0,                 1999,                " 1  ms"},  \
{  0,                 999,                 "500 us"},\
{  0,                 399,                 "200 us"},\
{  0,                 199,                 "100 us"},\
{  0,                 99,                  " 50 us"}, \
{  0,                 39,                  " 20 us"}, \
{  0,                 19,                  " 10 us"}, \
{  0,                 9,                   " 5  us"},  \
{  0,                 3,                   " 2  us"},  \
{  0,                 1,                   " 1  us"},  \
{  7,                 0,                   "500 ns"} \
}

typedef struct TIM__tstTimeBaseTag
{
  uint8_t  u8Prescaler;       /* Primary divider of main clock: selects divider as 2,4,8,16... */
  uint16_t u16Counter;        /* Comparation value for counter: at match the output will toggle*/
  char     sText[10];         /* Text to be displayed as time base */
} TIM__tstTimeBase;

extern TIM__tstTimeBase TIM__stTimeBase[];

void TIM_vInitTimer1(uint16_t);
void TIM_vInitTimer3(uint16_t);
void TIM_vDelay(uint8_t);
void TIM_vInitPwmOnTimer1A(void);