今天先上传部分代码吧，实在是时间紧，没来得及仔细编辑一下
#define SINGLE_MODE 0x00
#define SCAN_MODE 0x40
#define AD_MAX_VALUE 0xff
#define AD_MIN_VALUE 0x00
enum chanel_select
{
SINGLE_ADCH0, SINGLE_ADCH1, SINGLE_ADCH2, SINGLE_ADCH3, SINGLE_ADCH4, SINGLE_ADCH5,
SINGLE_ADCH6, SINGLE_ADCH7, SINGLE_ADCH8, SINGLE_ADCH9, SINGLE_ADCH10,SINGLE_ADCH11,
SINGLE_ADCH12,SINGLE_ADCH13,SINGLE_ADCH14,SINGLE_ADCH16 = 16, SINGLE_ADCH17, SINGLE_ADCH18,
SINGLE_ADCH19,SINGLE_ADCH20,SINGLE_ADCH21,SINGLE_ADCH22,SINGLE_ADCH23,SINGLE_ADCH24,
SINGLE_ADCH25,SINGLE_ADCH26,ADTEMPERSENSOR0 = 128, ADTEMPERSENSOR1
}
enum convert_mode_select
{
SOFT_TRIG_SEQUENTIAL_MODE,
SOFT_TRIG_ONE_SHOT_MODE,
HARD_TRIG_NO_WAIT_SEQUENTIAL_MODE = 4,
HARD_TRIG_NO_WAIT_ONE_SHOT_MODE,
HARD_TRIG_WAIT_SEQUENTIAL_MODE,
HARD_TRIG_WAIT_ONE_SHOT_MODE
}
enum freq_select
{
FCLK_64,FCLK_32,FCLK_16,FCLK_8,FCLK_6,FCLK_5,FCLK_4,FCLK_2
}
int Set_AD_Mode(enum chanel_select chanel,int chanel_mode,enum freq_select freq_ad,enum convert_mode_select convert_mode)
{
ADM0 |= chanel_mode;
if((chanel_mode == 15)||((chanel_mode > 26)&&(chanel_mode <128)))||(chanel_mode > 129))
{
return ERROR;
}
else
{
ADS = chanel;
}
if(freq_ad > 8)
{
return ERROR;
}
else
{
ADM0 |= (freq_ad<<3);
}
ADM1 |= convert_mode;
}
int Init_AD_Converter()
{
ADCEN = 1; /* supply AD clock */
ADMK = 1; /* disable INTAD interrupt */
ADIF = 0; /* clear INTAD interrupt flag */
/* Set INTAD priority as level 3*/
ADPR1 = 1;
ADPR0 = 1;
PM2 = 0x01;/*set ANI0 pin as analog input to convert*/
Set_AD_Mode(SINGLE_ADCH0, SINGLE_MODE ,FCLK_64 ,SOFT_TRIG_SEQUENTIAL_MODE);
/*Set INTAD. If not, covertion result will not be saved in ADCR register*/
ADRCK = 0;
ADUL = AD_MAX_VALUE;
ADLL = AD_MIN_VALUE;
}
