Changes between Version 93 and Version 94 of gsc

Timestamp:

11/16/2021 12:01:36 AM (3 years ago)

Author:

Tim Harvey

Comment:

removed non-gsc-driver instructions for power-down; everyone should have and be using the gsc driver by now

gsc

@@ -881 +881 @@
 #!bash
 echo 300 > /sys/bus/i2c/devices/0-0020/powerdown # sleep for 5 mins
-}}}
-* Manually writing to GSC (if you don't have the GSC driver)
-The following example will sleep the board for 10 seconds by setting the “add timer” to 10 seconds (from the current time) and then putting the board to sleep. This example uses the Linux I2C utilities.
-{{{
-#!bash
-SECS=300 ;# 5 mins
-i2cset -f -y 0 0x20 6 $((SECS % 256)); SECS=$((SECS >> 8))
-i2cset -f -y 0 0x20 7 $((SECS % 256)); SECS=$((SECS >> 8))
-i2cset -f -y 0 0x20 8 $((SECS % 256)); SECS=$((SECS >> 8))
-i2cset -f -y 0 0x20 9 $((SECS % 256))
-# set add time bit - taking care to not disturb other bits
-R1=$(i2cget -f -y 0 0x20 1) && \
-  R1=$((R1 | 0x04)) && \
-  i2cset -f -y 0 0x20 1 $R1 || echo i2c error
-# set sleep enable and sleep activate bits - taking care not to disturb other bits
-R1=$(i2cget -f -y 0 0x20 1) && \
-  R1=$((R1 | 0x03)) && \
-  i2cset -f -y 0 0x20 1 $R1 || echo i2c error
 }}}