ʾadc hard trigger nowaitܣ
1. üʱжźŴADCA/Dת
2. ADCתжϳDMAȡADCת
3. 8ADCת󣬴ӡADCת

עΪ˱ڱȽȷADCתǷȷʹADCԲԹܡ
    Ҫmain.cע͵
	ADC->ADTES = 0x01;  /* ԣתΪ0x0000 */
	ADC->ADTES = 0x03;  /* ԣתΪ0x0800 */
	ADC->ADTES = 0x05;  /* ȫԣתΪ0x0FFF */