Merge pull request #708 from espressif/petr/fix/io_expanders_readme

fix(io_expander): Fix typo in the word direction

Author: PetrESP

components/io_expander/esp_io_expander/include/esp_io_expander.h

@@ -74,7 +74,7 @@ typedef enum {
  */
 typedef enum {
     IO_EXPANDER_INPUT,          /*!< Input direction */
-    IO_EXPANDER_OUTPUT,         /*!< Output dircetion */
+    IO_EXPANDER_OUTPUT,         /*!< Output direction */
 } esp_io_expander_dir_t;
 
 /**

components/io_expander/esp_io_expander_ht8574/README.md

@@ -44,14 +44,14 @@ Print all pins's status to the log:
     esp_io_expander_print_state(io_expander);
 ```
 
-Set pin 0 and pin 1 with output dircetion and low level:
+Set pin 0 and pin 1 with output direction and low level:
 
 ```c
     esp_io_expander_set_dir(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, IO_EXPANDER_OUTPUT);
     esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, 0);
 ```
 
-Set pin 2 and pin 3 with input dircetion:
+Set pin 2 and pin 3 with input direction:
 
 ```c
     uint32_t pin_levels = 0;

components/io_expander/esp_io_expander_tca9554/README.md

@@ -46,14 +46,14 @@ Print all pins's status to the log:
     esp_io_expander_print_state(io_expander);
 ```
 
-Set pin 0 and pin 1 with output dircetion and low level:
+Set pin 0 and pin 1 with output direction and low level:
 
 ```c
     esp_io_expander_set_dir(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, IO_EXPANDER_OUTPUT);
     esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, 0);
 ```
 
-Set pin 2 and pin 3 with input dircetion:
+Set pin 2 and pin 3 with input direction:
 
 ```c
     uint32_t pin_levels = 0;

components/io_expander/esp_io_expander_tca95xx_16bit/README.md

@@ -47,14 +47,14 @@ Print all pins's status to the log:
     esp_io_expander_print_state(io_expander);
 ```
 
-Set pin 0 and pin 1 with output dircetion and low level:
+Set pin 0 and pin 1 with output direction and low level:
 
 ```c
     esp_io_expander_set_dir(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, IO_EXPANDER_OUTPUT);
     esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, 0);
 ```
 
-Set pin 2 and pin 3 with input dircetion:
+Set pin 2 and pin 3 with input direction:
 
 ```c
     uint32_t pin_levels = 0;