--- /dev/null
+From 30a2323bc0a95cda4eca818fe1d523a2e5c031f3 Mon Sep 17 00:00:00 2001
+From: Pawel Dembicki <paweldembicki@gmail.com>
+Date: Mon, 2 Nov 2020 14:50:34 +0100
+Subject: [PATCH] support gpio with number bigger than 255
+
+Change 8-bit gpio value to 16-bit, which allow to use gpio >255.
+
+Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
+---
+ src/data_types.h | 16 ++++++++--------
+ src/relay_drv_gpio.c | 10 +++++-----
+ 2 files changed, 13 insertions(+), 13 deletions(-)
+
+diff --git a/src/data_types.h b/src/data_types.h
+index f13baeb..d4dc7b1 100644
+--- a/src/data_types.h
++++ b/src/data_types.h
+@@ -56,14 +56,14 @@ typedef struct
+ /* [GPIO drv] */
+ uint8_t gpio_num_relays;
+ uint8_t gpio_active_value;
+- uint8_t relay1_gpio_pin;
+- uint8_t relay2_gpio_pin;
+- uint8_t relay3_gpio_pin;
+- uint8_t relay4_gpio_pin;
+- uint8_t relay5_gpio_pin;
+- uint8_t relay6_gpio_pin;
+- uint8_t relay7_gpio_pin;
+- uint8_t relay8_gpio_pin;
++ uint16_t relay1_gpio_pin;
++ uint16_t relay2_gpio_pin;
++ uint16_t relay3_gpio_pin;
++ uint16_t relay4_gpio_pin;
++ uint16_t relay5_gpio_pin;
++ uint16_t relay6_gpio_pin;
++ uint16_t relay7_gpio_pin;
++ uint16_t relay8_gpio_pin;
+
+ /* [Sainsmart drv] */
+ uint8_t sainsmart_num_relays;
+diff --git a/src/relay_drv_gpio.c b/src/relay_drv_gpio.c
+index 705c157..28464be 100644
+--- a/src/relay_drv_gpio.c
++++ b/src/relay_drv_gpio.c
+@@ -53,7 +53,7 @@
+ #define GPIO_BASE_FILE GPIO_BASE_DIR"gpio"
+
+
+-static uint8_t pins[] =
++static uint16_t pins[] =
+ {
+ 0, // dummy
+ 0, // pin 1
+@@ -85,7 +85,7 @@ int set_relay_generic_gpio(char* portname, uint8_t relay, relay_state_t relay_st
+ * -1 - fail
+ * -2 - already exported
+ *********************************************************/
+-static int do_export(uint8_t pin)
++static int do_export(uint16_t pin)
+ {
+ int fd;
+ char b[64];
+@@ -151,7 +151,7 @@ static int do_export(uint8_t pin)
+ * Return: 0 - success
+ * -1 - fail
+ *********************************************************/
+-static int do_unexport(uint8_t pin)
++static int do_unexport(uint16_t pin)
+ {
+ int fd;
+ char b[64];
+@@ -261,7 +261,7 @@ int get_relay_generic_gpio(char* portname, uint8_t relay, relay_state_t* relay_s
+ int fd;
+ char b[64];
+ char d[1];
+- uint8_t pin;
++ uint16_t pin;
+
+ if (relay<FIRST_RELAY || relay>(FIRST_RELAY+g_num_relays-1))
+ {
+@@ -324,7 +324,7 @@ int set_relay_generic_gpio(char* portname, uint8_t relay, relay_state_t relay_st
+ int fd;
+ char b[64];
+ char d[1];
+- uint8_t pin;
++ uint16_t pin;
+
+ if (relay<FIRST_RELAY || relay>(FIRST_RELAY+g_num_relays-1))
+ {
+--
+2.17.1
+