From 2a848b5de1a9c5fdcb7f81390956967d4142c756 Mon Sep 17 00:00:00 2001
From: kovianyo <kovianyo@gmail.com>
Date: Fri, 18 Apr 2025 13:59:03 +0200
Subject: [PATCH 1/2] Using spaces instead of tabs in gpio usage text

---
 gpio/gpio.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/gpio/gpio.c b/gpio/gpio.c
index 3fc97a3..1186a65 100644
--- a/gpio/gpio.c
+++ b/gpio/gpio.c
@@ -71,18 +71,18 @@ char *usage = "Usage: gpio -v\n"
               "       gpio [-p] <read/write/wb> ...\n"
               "       gpio <mode/read/write/aread/awritewb/pwm/pwmTone/clock> ...\n"
               "       gpio <toggle/blink> <pin>\n"
-	      "       gpio readall\n"
-	      "       gpio wfi <pin> <mode>\n"
-	      "       gpio drive <group> <value>\n"
-	      "       gpio pwm-bal/pwm-ms \n"
-	      "       gpio pwmr <range> \n"
-	      "       gpio pwmc <divider> \n"
-	      "       gpio i2cd/i2cdetect\n"
-	      "       gpio rbx/rbd\n"
-	      "       gpio wb <value>\n"
-	      "       gpio usbp high/low\n"
-	      "       gpio gbr <channel>\n"
-	      "       gpio gbw <channel> <value>" ;	// No trailing newline needed here.
+              "       gpio readall\n"
+              "       gpio wfi <pin> <mode>\n"
+              "       gpio drive <group> <value>\n"
+              "       gpio pwm-bal/pwm-ms \n"
+              "       gpio pwmr <range> \n"
+              "       gpio pwmc <divider> \n"
+              "       gpio i2cd/i2cdetect\n"
+              "       gpio rbx/rbd\n"
+              "       gpio wb <value>\n"
+              "       gpio usbp high/low\n"
+              "       gpio gbr <channel>\n"
+              "       gpio gbw <channel> <value>" ;	// No trailing newline needed here.
 
 
 #ifdef	NOT_FOR_NOW

From 9d34a0a9b57825729ddb1df0eba556e91d78221d Mon Sep 17 00:00:00 2001
From: kovianyo <kovianyo@gmail.com>
Date: Fri, 18 Apr 2025 14:03:10 +0200
Subject: [PATCH 2/2] Describing pin numbering arguments and wfi modes in gpio
 usage text

---
 gpio/gpio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gpio/gpio.c b/gpio/gpio.c
index 1186a65..447e53d 100644
--- a/gpio/gpio.c
+++ b/gpio/gpio.c
@@ -66,6 +66,9 @@ int wpMode ;
 char *usage = "Usage: gpio -v\n"
               "       gpio -h\n"
               "       gpio [-g|-1] ...\n"
+              "         where -g: pin numbering according to readall BCM column\n"
+              "         where -1: pin numbering according to readall Physical column\n"
+              "         when omitted: pin numbering according to readall wPi column\n"
               "       gpio [-d] ...\n"
               "       [-x extension:params] [[ -x ...]] ...\n"
               "       gpio [-p] <read/write/wb> ...\n"
@@ -73,6 +76,7 @@ char *usage = "Usage: gpio -v\n"
               "       gpio <toggle/blink> <pin>\n"
               "       gpio readall\n"
               "       gpio wfi <pin> <mode>\n"
+              "         where <mode> can be: rising, falling, both\n"
               "       gpio drive <group> <value>\n"
               "       gpio pwm-bal/pwm-ms \n"
               "       gpio pwmr <range> \n"