From 87f89f0a7d0591173ca67f2f61f91ec27632c24a Mon Sep 17 00:00:00 2001
From: Theo Arends <11044339+arendst@users.noreply.github.com>
Date: Wed, 6 May 2020 17:44:44 +0200
Subject: [PATCH] Change max number of supported PCF8574 to four

Change max number of supported PCF8574 to four (#8355)
---
 tasmota/settings.h | 3 +++
 tasmota/tasmota.h  | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/tasmota/settings.h b/tasmota/settings.h
index 81ee3baf8..bcbe35fa7 100644
--- a/tasmota/settings.h
+++ b/tasmota/settings.h
@@ -481,6 +481,9 @@ struct {
   uint8_t       shutter_position[MAX_SHUTTERS];      // E80
   uint8_t       shutter_startrelay[MAX_SHUTTERS];    // E84
   uint8_t       pcf8574_config[MAX_PCF8574];         // E88
+
+  uint8_t       free_e8c[4];               // E8C
+
   uint16_t      dimmer_hw_min;             // E90
   uint16_t      dimmer_hw_max;             // E92
   uint32_t      deepsleep;                 // E94
diff --git a/tasmota/tasmota.h b/tasmota/tasmota.h
index a1a3cb473..fe4e41b01 100644
--- a/tasmota/tasmota.h
+++ b/tasmota/tasmota.h
@@ -68,7 +68,7 @@ const uint8_t MAX_XDRV_DRIVERS = 96;        // Max number of allowed driver driv
 const uint8_t MAX_XSNS_DRIVERS = 96;        // Max number of allowed sensor drivers
 const uint8_t MAX_I2C_DRIVERS = 96;         // Max number of allowed i2c drivers
 const uint8_t MAX_SHUTTERS = 4;             // Max number of shutters
-const uint8_t MAX_PCF8574 = 8;              // Max number of PCF8574 devices
+const uint8_t MAX_PCF8574 = 4;              // Max number of PCF8574 devices
 const uint8_t MAX_RULE_SETS = 3;            // Max number of rule sets of size 512 characters
 const uint16_t MAX_RULE_SIZE = 512;         // Max number of characters in rules