void adc_test(void)
{
unsigned char i;
unsigned char n;
unsigned char tail;
short int res_voltage = 0;
short int temp_voltage = 0;
uint16 temp_adc = 0;
float pvoltage = 0;
adc_switch_channel(VOLTAGE);
for(i = 0; i < 50; i++)
{
START_ADC();
temp_adc += adc_result;
}
n = min(adc_mean_num, adc_queue.count); // 取当前队列中数据个数与设置值的最小值
if(0 == n)
return;
tail = adc_queue.tail; // 获取队列尾部下标
tail = (tail-1) & ADC_MAX_SIZE_MASK; // 减1之后,指向最后加入的一个数据
// 减1是因为下标是从0开始的
for(i = 0; i < n; i++)
{
temp_voltage = adc_queue.data[tail].voltage;
res_voltage += temp_voltage;
tail = (tail-1) & ADC_MAX_SIZE_MASK;
}
pvoltage = 5.0f * res_voltage / n / 1024.0f;
uart_putnstring((uint8 *)&pvoltage, 4);
OSTimeDly(OS_TICKS_PER_SEC/2);
}
void adc_convert_start(void)
{
adc_status_flag.is_current_convert = TRUE;
adc_status_flag.is_first_time = TRUE;
adc_switch_channel(ADC_VOLTAGE);
START_ADC();
}
void adc_convert_start(void)
{
memset(&adc_status, 0, sizeof(AdcStatusFlag));
adc_status.who_is_convert = CURRENT; // 置位电流转换，先电流后电压顺序
adc_status.first_time = TRUE; // 第一次转换
adc_switch_channel(CURRENT); // 切换到电流转换
START_ADC(); // 启动一次转换（没有采用连续转换）
}
