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질문 제목 : 소스 해석 부탁드려요#include adc.h
#include sys.h
void initadc(uint8_t channel)
{

uint8_t div;

if (channel 7) channel = 0;

pconp_bit.pcad = 1;

switch (channel)
{
case 0:
pinsel1_bit.p0_23 = 0x01;
break;

case 1:
pinsel1_bit.p0_24 = 0x01;
break;

case 2:
pinsel1_bit.p0_25 = 0x01;
break;

case 3:
pinsel1_bit.p0_26 = 0x01;
break;

case 4:
pinsel3_bit.p1_30 = 0x03;
break;

case 5:
pinsel3_bit.p1_31 = 0x03;
break;

case 6:
pinsel0_bit.p0_12 = 0x03;
break;

case 7:
pinsel0_bit.p0_13 = 0x03;
break;
}div = (sys_getfpclk(adc_pclk_offset) / adc_clock_rate) + 1;

ad0cr_bit.clkdiv = div;
ad0cr_bit.burst = 0;
ad0cr_bit.start = 0;
ad0cr_bit.pdn = 1;

}
uint32_t getadc(uint8_t channel)
{
uint32_t result;

if (channel 7) channel = 0;
ad0cr_bit.sel = 1channel; /* select the channel */
ad0cr_bit.start = 0x01;

while (!ad0gdr_bit.done);/* wait for completion */

ad0cr_bit.start = 0x0;

if (ad0gdr_bit.overun == 1) return 0;

result = ad0gdr_bit.result;

return result;
}
질문 내용 :

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