[参考译文] TMP1827：EEPROM 读取 CRC 在数据表中不一致

您好、Ryan、

很抱歉混淆。 读取 EEPROM 期间没有 CRC (F0h)。 8 个字节之后只需要 tREADIDLE 560us 延迟。

dev.ti.com/.../index.html

谢谢、

任

/*
 *  ======== TMP1826_readEEPROM ========
 *  Read data from 2Kbit user EEPROM in 8 byte chunks
 */
void TMP1826_readEEPROM(TMP1826_Handle sensor, uint8_t address, uint8_t *data)
{
    uint8_t i;

    mcu_txOneWireReset(sensor->busId);
    TMP1826_sendAddr(sensor);
    mcu_txOneWireByte(sensor->busId, TMP1826_READ_MEM);
    mcu_txOneWireByte(sensor->busId, 0);
    mcu_txOneWireByte(sensor->busId, address);

    /* wait tReadIdle time 400us */
    mcu_msWait(1);
    for (i = 0; i < 8; i++){
        data[i] = mcu_rxOneWireByte(sensor->busId);
    }

    /* testing shows a delay is needed here before another reset/ATR
     * this is tREADIDLE 560us in the datasheet
     */
    mcu_msWait(1);
}