From 75c87665bc29c84f49bca9e7d5f3a0de085e5b2b Mon Sep 17 00:00:00 2001
From: fvanroie <15969459+fvanroie@users.noreply.github.com>
Date: Tue, 31 Aug 2021 02:19:37 +0200
Subject: [PATCH] #208 Keep last dimmer valie when toggling state on/off

---
 src/sys/gpio/hasp_gpio.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/sys/gpio/hasp_gpio.cpp b/src/sys/gpio/hasp_gpio.cpp
index 504827ac..7561aa9e 100644
--- a/src/sys/gpio/hasp_gpio.cpp
+++ b/src/sys/gpio/hasp_gpio.cpp
@@ -585,7 +585,11 @@ static void gpio_set_normalized_value(hasp_gpio_config_t* gpio, hasp_update_valu
             case hasp_gpio_type_t::SERIAL_DIMMER:
             case hasp_gpio_type_t::SERIAL_DIMMER_AU:
             case hasp_gpio_type_t::SERIAL_DIMMER_EU:
-                val = map(val, value.min, value.max, 0, gpio->max);
+                if(value.max == 1) {
+                    val = gpio->val; // only switch power, keep current val
+                } else {
+                    val = map(val, value.min, value.max, 0, gpio->max); // update power and val
+                }
                 break;
 
             default: