diff options
| -rwxr-xr-x | commandline/examples/ds2482-100-readrom | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/commandline/examples/ds2482-100-readrom b/commandline/examples/ds2482-100-readrom new file mode 100755 index 0000000..173f39d --- /dev/null +++ b/commandline/examples/ds2482-100-readrom @@ -0,0 +1,33 @@ +#!/bin/sh +# DS2482-100 Single Channel 1-Wire Master + +vusb-i2cset 0x18 0xf0 || echo "Failed to reset chip" +vusb-i2cset 0x18 0xd2 0xf0 || echo "Failed to set config" +vusb-i2cset 0x18 0xb4 || echo "Failed to initiate presence detection (OWR)" + +ret=$(( $(vusb-i2cget 0x18 0xe1 0xf0) & 0x02 )) + +if [ "${ret}" = 0 ]; then + echo "No presence detected" + exit 1 +fi + +vusb-i2cset 0x18 0xa5 0x33 || echo "failed to issue READ ROM" +vusb-i2cset 0x18 0x96 || echo "failed to initiate read" +b8=$(vusb-i2cget 0x18 0xe1 0xe1) +vusb-i2cset 0x18 0x96 || echo "failed to initiate read" +b7=$(vusb-i2cget 0x18 0xe1 0xe1) +vusb-i2cset 0x18 0x96 || echo "failed to initiate read" +b6=$(vusb-i2cget 0x18 0xe1 0xe1) +vusb-i2cset 0x18 0x96 || echo "failed to initiate read" +b5=$(vusb-i2cget 0x18 0xe1 0xe1) +vusb-i2cset 0x18 0x96 || echo "failed to initiate read" +b4=$(vusb-i2cget 0x18 0xe1 0xe1) +vusb-i2cset 0x18 0x96 || echo "failed to initiate read" +b3=$(vusb-i2cget 0x18 0xe1 0xe1) +vusb-i2cset 0x18 0x96 || echo "failed to initiate read" +b2=$(vusb-i2cget 0x18 0xe1 0xe1) +vusb-i2cset 0x18 0x96 || echo "failed to initiate read" +b1=$(vusb-i2cget 0x18 0xe1 0xe1) + +printf "%02x%02x%02x%02x%02x%02x%02x%02x" $b1 $b2 $b3 $b4 $b5 $b6 $b7 $b8 |