From b97b50d6ec47b5c239c468f9b799aa26f0f5be4b Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Thu, 14 Apr 2022 11:11:26 +0800
Subject: [PATCH] add gpio control scripts

---
 booster/test/gpio-scripts/pinctrl-rzboard |  144 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 144 insertions(+), 0 deletions(-)

diff --git a/booster/test/gpio-scripts/pinctrl-rzboard b/booster/test/gpio-scripts/pinctrl-rzboard
new file mode 100755
index 0000000..facd6cf
--- /dev/null
+++ b/booster/test/gpio-scripts/pinctrl-rzboard
@@ -0,0 +1,144 @@
+#!/bin/bash
+# This shell script used to control GPIO port on RzBoard
+
+direction=out
+sysdir=/sys/class/gpio/
+pinbase=120
+groupin=8
+
+pinnum=
+pindir=
+action=
+
+set -u
+set -e
+
+# RedLed: P8_1  GreenLed: P17_2 BlueLed: P19_1
+# UserKey: P39_0
+function usage()
+{
+   echo "Show pinmap Usage: $0 [-v]"
+   echo "Output set  Usage: $0 P9_1 [1/0]"
+   echo "Input read  Usage: $0 [-i] P9_1"
+   echo "Unexport    Usage: $0 [-u] P9_1"
+   exit;
+}
+
+function show_pinmap()
+{
+   echo "
+ +--------------------+--RzBoard--+--------------------+
+ |      Name/GPIO     |  Physical |      Name/GPIO     |
+ +--------------------+-----++----+--------------------+
+ |        3.3v        |   1 ||  2 |         5v         |
+ |      SDA2(P3_0)    |   3 ||  4 |         5v         |
+ |      SCL2(P3_1)    |   5 ||  6 |        GND         |
+ |     GPIO(P12_0)    |   7 ||  8 |     TXD2(P48_0)    |
+ |        GND         |   9 || 10 |     RXD2(P48_1)    |
+ |     SCL3(P48_3)    |  11 || 12 |     GPIO(P17_1)    |
+ |     SDA3(P48_2)    |  13 || 14 |        GND         |
+ |     GPIO(P17_0)    |  15 || 16 |     GPIO(P13_2)    |
+ |        3.3v        |  17 || 18 |     GPIO(P14_0)    |
+ |  SPI1_MOSI(P44_1)  |  19 || 20 |        GND         |
+ |  SPI1_MISO(P44_2)  |  21 || 22 |     GPIO(P39_1)    |
+ |  SPI1_CLK(P44_0)   |  23 || 24 |    SPI1_SS(P44_3)  |
+ |        GND         |  25 || 26 |     GPIO(P0_1)     |
+ |     GPIO(P14_1)    |  27 || 28 |     GPIO(P46_3)    |
+ |     GPIO(P42_3)    |  29 || 30 |        GND         |
+ |     GPIO(P42_4)    |  31 || 32 |     GPIO(P15_1)    |
+ |     GPIO(P10_0)    |  33 || 34 |        GND         |
+ |     GPIO(P9_1)     |  35 || 36 |     RTS2(P48_4)    |
+ |     GPIO(P13_1)    |  37 || 38 |   CAN0_RX(P11_0)   |
+ |        GND         |  39 || 40 |   CAN0_TX(P10_1)   |
+ +--------------------+-----++----+--------------------+
+ |      Name/GPIO     |  Physical |      Name/GPIO     |
+ +--------------------+--RzBoard--+--------------------+
+ "
+   exit 0;
+}
+
+function calc_pinum()
+{
+   pinstr=$1
+
+   group=`echo $pinstr | cut -d_ -f1 | tr -cd "[0-9]"`
+   pin=`echo $pinstr | cut -d_ -f2 | tr -cd "[0-9]"`
+   
+   pinum=`expr $group \* $groupin + $pin + $pinbase`
+   pindir=$sysdir/gpio$pinum
+
+   #echo "INFO: GPIO $pinstr map to pinum[$pinum]"
+}
+
+function export_gpio()
+{
+    if [ -e $pindir ] ; then
+       return ;
+    fi
+
+    echo $pinum > $sysdir/export
+}
+
+function unexport_gpio()
+{
+    if [ ! -e $pindir ] ; then
+       return ;
+    fi
+
+    echo $pinum > $sysdir/unexport
+}
+
+function set_gpio()
+{
+    echo out > $pindir/direction
+    echo $1 > $pindir/value
+}
+
+function read_gpio()
+{
+    echo in > $pindir/direction
+    cat $pindir/value
+}
+
+if [ $# -lt 1 ] ; then
+   usage;
+fi
+
+while getopts "iuvh" OPTNAME
+do
+    case "${OPTNAME}" in
+        "i")
+           direction=in
+           shift
+           ;;
+
+        "u")
+           action=unexport;
+           shift
+           ;;
+
+        "v")
+           show_pinmap;
+           shift
+           ;;
+
+        "h")
+           usage;
+           ;;
+    esac
+done
+
+calc_pinum $1
+
+if [[ $action == unexport ]] ; then
+   unexport_gpio
+   exit;
+fi
+
+export_gpio
+
+if [ $direction == in ] ; then
+   read_gpio
+else
+   set_gpio $2
+fi

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