.. include:: ../disclaimer-zh_CN.rst :Original: Documentation/iio/ep93xx_adc.rst :翻译: å¸å»¶è…¾ Yanteng Si <siyanteng@loongson.cn> .. _cn_iio_ep93xx_adc: ================================== æ€ç¿é€»è¾‘ EP93xx 模拟数å—转æ¢å™¨é©±åŠ¨ ================================== 1. 概述 ======= 该驱动åŒæ—¶é€‚用于具有5通é“模拟数å—转æ¢å™¨çš„低端 (EP9301, Ep9302) 设备和10é€šé“ è§¦æ‘¸å±/模拟数å—转æ¢å™¨çš„高端设备(EP9307, EP9312, EP9315)。 2. 通é“ç¼–å· =========== EP9301å’ŒEP9302æ•°æ®è¡¨å®šä¹‰äº†é€šé“0..4çš„ç¼–å·æ–¹æ¡ˆã€‚虽然EP9307, EP9312å’ŒEP9315多 了3个通é“(一共8个),但是编å·å¹¶æ²¡æœ‰å®šä¹‰ã€‚所以说最åŽä¸‰ä¸ªé€šé“是éšæœºç¼–å·çš„。 如果ep93xx_adc是IIO设备0,您将在以下ä½ç½®æ‰¾åˆ°æ¡ç›® /sys/bus/iio/devices/iio:device0/: +-----------------+---------------+ | sysfs å…¥å£ | ball/pin å称 | +=================+===============+ | in_voltage0_raw | YM | +-----------------+---------------+ | in_voltage1_raw | SXP | +-----------------+---------------+ | in_voltage2_raw | SXM | +-----------------+---------------+ | in_voltage3_raw | SYP | +-----------------+---------------+ | in_voltage4_raw | SYM | +-----------------+---------------+ | in_voltage5_raw | XP | +-----------------+---------------+ | in_voltage6_raw | XM | +-----------------+---------------+ | in_voltage7_raw | YP | +-----------------+---------------+