#include?“ads1118.h“

//mode?1:read?mode?0:write
uint32_t?ads1118_write_read（uint16_t?data?uint8_t?mode）
{
	uint8_t??i?=?0;
	uint32_t?write_data?=?0?read_data?=?0;
	
	if（mode?==?1）data?|=?0x8000;
	write_data?=?（data<<16）|data;??//32bit?=?16bit?*?2
	
	ADS1118_CS_L;
	
	for（i?=?0;?i?	{
		ADS1118_SCLK_L;
		if（write_data&0x80000000）ADS1118_MOSI_H;
		else?ADS1118_MOSI_L;
		
		ADS1118_SCLK_H;
		write_data?<<=?1;
		
		read_data?<<=?1;
		ADS1118_SCLK_L;
		if（ADS1118_MISO_READ）read_data?|=?0x01;
	}
	ADS1118_CS_H;
	
	return?read_data;
}

//collect_mode:selct?channel?ref:selct?FSR
int?ads1118_read_adc_data（uint8_t?collect_mode?uint8_t?ref）
{
????int?data?=?0;
????uint16_t?Config_Value?=?0x008b;?????????????????????//默認低8位，DOUT帶上拉電阻	
	
????switch（collect_mode）
????{
????case?0:??Config_Value?+=?0x0000;break;????//AINP?=?AIN0?and?AINN?=?AIN1?（default）
????case?1:??Config_Value?+=?0x1000;break;????//AINP?=?AIN0?and?AINN?=?AIN3
????case?2:??Config_Value?+=?0x2000;break;????//AINP?=?AIN1?and?AINN?=?AIN3
????case?3:??Config_Value?+=?0x3000;break;????//AINP?=?AIN2?and?AINN?=?AIN3
????case?4:??Config_Value?+=?0x4000;break;????//AINP?=?AIN0?and?AINN?=?GND
????case?5:??Config_Value?+=?0x5000;break;????//AINP?=?AIN1?and?AINN?=?GND
????case?6:??Config_Value?+=?0x6000;break;????//AINP?=?AIN2?and?AINN?=?GND
????case?7:??Config_Value?+=?0x7000;break;????//AINP?=?AIN3?and?AINN?=?GND
????default?:?break;
????}
????switch（ref）
????{
????case?0:??Config_Value?+=?0x0000;break;????//000?:?FS?=?±6.144V（1）
????case?1:??Config_Value?+=?0x0200;break;????//001?:?FS?=?±4.096V（1）
????case?2:??Config_Value?+=?0x0400;break;????//002?:?FS?=?±2.048V（1）
????case?3:??Config_Value?+=?0x0600;break;????//003?:?FS?=?±1.024V（1）
????case?4:??Config_Value?+=?0x0800;break;????//004?:?FS?=?±0.512V（1）
????case?5:?case?6:?case?7:?Config_Value?+=?0x0a00;break;????//005?:?FS?=?±0.256V（1）
????default?:?break;
????}	
	
	data?=?ads1118_write_read（Config_Value?1）;
	
	return?data;
}

//ads1118?init?
void?ads1118_init（void）
{
	//config?adc:?[7:5]100?=?128SPS?AINP?=?AIN0?and?AINN?=?GND?FS?=?±6.144V（1）
	ads1118_write_read（0x408B?0）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2220??2018-05-22?14:26??ads1118\ads1118.c

?????文件????????345??2018-05-22?14:40??ads1118\ads1118.h

?????目錄??????????0??2018-05-22?14:27??ads1118

-----------?---------??----------?-----??----

?????????????????2565????????????????????3