Add support for PCA9557

Add support for PCA9557 8-bit I/O expander (#18632)
arendst · May 14, 2023 · f1a9a0b · f1a9a0b
1 parent 26508e5
commit f1a9a0b
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Showing 8 changed files with 13 additions and 7 deletions.
diff --git a/BUILDS.md b/BUILDS.md
@@ -149,6 +149,7 @@ Note: `minimal` variant is not listed as it shouldn't be used outside of the [up
 | USE_LOX_O2                | - | - / x | - | x | - | - |
 | USE_GDK101                | - | - / - | - | - | - | - |
 | USE_TC74                  | - | - / - | - | - | - | - |
+| USE_PCA9557               | - | - / - | - | - | - | - |
 |                           |   |       |   |   |   |   |
 | Feature or Sensor         | l | t     | k | s | i | d | Remarks
 | USE_HIH6                  | - | - / x | - | x | - | - |

diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -13,6 +13,7 @@ All notable changes to this project will be documented in this file.
 - Berry `tcpclientasync` class for non-blocking TCP client
 - Support for GM861 1D and 2D bar code reader (#18399)
 - Berry `re` (regex) add `match2` and optional offset
+- Support for PCA9557 8-bit I/O expander (#18632)
 
 ### Breaking Changed
 - Change command ``FileUpload`` index binary data detection from >199 to >299

diff --git a/I2CDEVICES.md b/I2CDEVICES.md
@@ -116,4 +116,4 @@ Index | Define              | Driver   | Device   | Address(es) | Description
   78  | USE_PMSA003I        | xsns_104 | PMSA003I | 0x12        | PM2.5 Air Quality Sensor with I2C Interface
   79  | USE_GDK101          | xsns_106 | GDK101   | 0x18 - 0x1B | Gamma Radiation Sensor
   80  | USE_TC74            | xsns_108 | TC74     | 0x48 - 0x4F | Temperature sensor
-  81  | USE_PCA95XX_DRV     | xdrv_69  | PCA95xx  | 0x18 - 0x1F | 8-bit I/O expander as virtual relay
+  81  | USE_PCA9557         | xdrv_69  | PCA95xx  | 0x18 - 0x1F | 8-bit I/O expander as virtual button/switch/relay
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
@@ -115,6 +115,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 - Command ``SetOption152 0/1`` to select two (0 = default) pin bistable or one (1) pin latching relay control [#18386](https://github.com/arendst/Tasmota/issues/18386)
 - Support for TC74 temperature sensor by Michael Loftis [#18042](https://github.com/arendst/Tasmota/issues/18042)
 - Support for GM861 1D and 2D bar code reader [#18399](https://github.com/arendst/Tasmota/issues/18399)
+- Support for PCA9557 8-bit I/O expander [#18632](https://github.com/arendst/Tasmota/issues/18632)
 - Matter sensors Humidity, Pressure, Illuminance [#18441](https://github.com/arendst/Tasmota/issues/18441)
 - Matter allow `Matter#Initialized` rule once the device is configured [#18451](https://github.com/arendst/Tasmota/issues/18451)
 - Matter UI to change endpoints configuration [#18498](https://github.com/arendst/Tasmota/issues/18498)

diff --git a/tasmota/my_user_config.h b/tasmota/my_user_config.h
@@ -710,6 +710,7 @@
 //    #define TC74_MAX_SENSORS 8                   // Support non-default/multiple I2C addresses
 //    #define TC74_I2C_PROBE_ADDRESSES { 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F }  // Addresses to probe/support
 //    #define TC74_MAX_FAILCOUNT 8                 // Maximum failed polls before it's marked inactive until reprobing later
+//  #define USE_PCA9557                            // [I2cDriver81] Enable PCA9557 8-bit I/O Expander (I2C addresses 0x18 - 0x1F) (+2k5 code)
 
 //  #define USE_RTC_CHIPS                          // Enable RTC chip support and NTP server - Select only one
 //    #define USE_DS3231                           // [I2cDriver26] Enable DS3231 RTC (I2C address 0x68) (+1k2 code)

diff --git a/tasmota/tasmota_support/support_features.ino b/tasmota/tasmota_support/support_features.ino
@@ -894,7 +894,9 @@ void ResponseAppendFeatures(void)
 #if defined(USE_I2C) && defined(USE_TC74)
     feature9 |= 0x00400000;  // xsns_108_tc74.ino
 #endif
-//    feature9 |= 0x00800000;
+#if defined(USE_I2C) && defined(USE_PCA9557)
+    feature9 |= 0x00800000;  // xdrv_69_pca9557.ino
+#endif
 
 //    feature9 |= 0x01000000;
 //    feature9 |= 0x02000000;

diff --git a/tasmota/tasmota_xdrv_driver/xdrv_69_pca9557.ino b/tasmota/tasmota_xdrv_driver/xdrv_69_pca9557.ino
@@ -1,13 +1,13 @@
 /*
-  xdrv_69_pca95xx.ino - PCA9557 GPIO Expander support for Tasmota
+  xdrv_69_pca9557.ino - PCA9557 GPIO Expander support for Tasmota
 
   SPDX-FileCopyrightText: 2023 Theo Arends
 
   SPDX-License-Identifier: GPL-3.0-only
 */
 
-#if defined(USE_I2C)
-#ifdef USE_PCA9557_DRV
+#ifdef USE_I2C
+#ifdef USE_PCA9557
 /*********************************************************************************************\
  * 8-bit PCA9557 I2C GPIO Expander to be used as virtual relay
  *

diff --git a/tools/decode-status.py b/tools/decode-status.py
@@ -295,7 +295,7 @@
     "USE_DINGTIAN_RELAY","USE_HMC5883L","USE_LD2410","USE_ME007",
     "USE_DISPLAY_TM1650","USE_PCA9632","USE_TUYAMCUBR","USE_SEN5X",
     "USE_BIOPDU","USE_MCP23XXX_DRV","USE_PMSA003I","USE_LOX_O2",
-    "USE_GDK101","USE_GM861","USE_TC74","",
+    "USE_GDK101","USE_GM861","USE_TC74","USE_PCA9557",
     "","","","",
     "","","",""
     ]]
@@ -325,7 +325,7 @@
         obj = json.load(fp)
 
 def StartDecode():
-    print ("\n*** decode-status.py v12.5.0.1 by Theo Arends and Jacek Ziolkowski ***")
+    print ("\n*** decode-status.py v12.5.0.2 by Theo Arends and Jacek Ziolkowski ***")
 
 #    print("Decoding\n{}".format(obj))