From 54f343dbec5bd4557dbc04b24cbed2aff07a3048 Mon Sep 17 00:00:00 2001
From: Hays Chan <25737801+hayschan@users.noreply.github.com>
Date: Thu, 31 Aug 2023 15:10:36 +0800
Subject: [PATCH 1/2] Add ESP-IDF examples and config files

ESP32 MCU code examples for the TM1638 chip.
---
 CMakelists.txt                     |  3 +++
 examples/esp32/CMakeLists.txt      |  8 ++++++++
 examples/esp32/main/CMakeLists.txt |  2 ++
 examples/esp32/main/main.c         | 19 +++++++++++++++++++
 idf_component.yml                  | 11 +++++++++++
 5 files changed, 43 insertions(+)
 create mode 100644 CMakelists.txt
 create mode 100644 examples/esp32/CMakeLists.txt
 create mode 100644 examples/esp32/main/CMakeLists.txt
 create mode 100644 examples/esp32/main/main.c
 create mode 100644 idf_component.yml

diff --git a/CMakelists.txt b/CMakelists.txt
new file mode 100644
index 0000000..a040311
--- /dev/null
+++ b/CMakelists.txt
@@ -0,0 +1,3 @@
+idf_component_register(SRCS "tm1638.c" "TM1638_platform.c"
+        INCLUDE_DIRS "."
+        REQUIRES driver)
\ No newline at end of file
diff --git a/examples/esp32/CMakeLists.txt b/examples/esp32/CMakeLists.txt
new file mode 100644
index 0000000..65d8087
--- /dev/null
+++ b/examples/esp32/CMakeLists.txt
@@ -0,0 +1,8 @@
+# The following lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.5)
+
+set(EXTRA_COMPONENT_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/../../)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(tm1638)
\ No newline at end of file
diff --git a/examples/esp32/main/CMakeLists.txt b/examples/esp32/main/CMakeLists.txt
new file mode 100644
index 0000000..8a3ab69
--- /dev/null
+++ b/examples/esp32/main/CMakeLists.txt
@@ -0,0 +1,2 @@
+idf_component_register(SRCS "main.c"
+                    INCLUDE_DIRS "")
diff --git a/examples/esp32/main/main.c b/examples/esp32/main/main.c
new file mode 100644
index 0000000..a893fde
--- /dev/null
+++ b/examples/esp32/main/main.c
@@ -0,0 +1,19 @@
+#include "TM1638.h"
+#include "TM1638_platform.h"
+
+void app_main(void)
+{
+  TM1638_Handler_t Handler;
+
+  TM1638_Platform_Init(&Handler);
+  TM1638_Init(&Handler, TM1638DisplayTypeComCathode);
+  TM1638_ConfigDisplay(&Handler, 7, TM1638DisplayStateON);
+
+  while (1)
+  {
+    // Display the number 8 and Decimal Point in the SEG1 
+    TM1638_SetSingleDigit_HEX(&Handler, 8 | TM1638DecimalPoint, 0);
+  }
+
+  TM1638_DeInit(&Handler);
+}
\ No newline at end of file
diff --git a/idf_component.yml b/idf_component.yml
new file mode 100644
index 0000000..5924293
--- /dev/null
+++ b/idf_component.yml
@@ -0,0 +1,11 @@
+version: "2.0.0"
+
+description: TM1638 driver for AVR (ATmega32), STM32 (HAL) and ESP32 (esp-idf)
+url: https://github.com/MahdaSystem/TM1638
+repository: https://github.com/MahdaSystem/TM1638.git
+documentation: https://github.com/MahdaSystem/TM1638#readme
+issues: https://github.com/MahdaSystem/TM1638/issues
+
+dependencies:
+  # Required IDF version
+  idf: ">=4.2"
\ No newline at end of file

From ade162304c5c7fd047832729df3c8b799cc7cf36 Mon Sep 17 00:00:00 2001
From: Hays Chan <25737801+hayschan@users.noreply.github.com>
Date: Fri, 1 Sep 2023 14:43:54 +0800
Subject: [PATCH 2/2] Add ESP specific preprocessing logic and Kconfig

---
 Kconfig           | 22 ++++++++++++++++++++++
 TM1638_platform.h | 10 +++++-----
 2 files changed, 27 insertions(+), 5 deletions(-)
 create mode 100644 Kconfig

diff --git a/Kconfig b/Kconfig
new file mode 100644
index 0000000..888f21c
--- /dev/null
+++ b/Kconfig
@@ -0,0 +1,22 @@
+menu "TM1638 config"
+
+    config TM1638_CLK_GPIO
+        int "TM1638 CLK Pin"
+        default 0
+        help
+            GPIO number (IOxx) for the TM638 CLK pin.
+
+
+    config TM1638_DIO_GPIO
+        int "TM1638 DIO Pin"
+        default 1
+        help
+            GPIO number (IOxx) for the TM638 DIO pin.
+
+    config TM1638_STB_GPIO
+        int "TM1638 STB Pin"
+        default 2
+        help
+            GPIO number (IOxx) for the TM638 STB pin.
+
+endmenu  # TM1638
\ No newline at end of file
diff --git a/TM1638_platform.h b/TM1638_platform.h
index a90ba29..2fae246 100644
--- a/TM1638_platform.h
+++ b/TM1638_platform.h
@@ -51,7 +51,6 @@ extern "C" {
 // #define TM1638_PLATFORM_STM32        // HAL Functions
 // #define TM1638_PLATFORM_ESP32_IDF    // ESP-IDF
 
-
 #if defined(TM1638_PLATFORM_AVR)
 /**
  * @brief  Specify IO Pins of AVR connected to TM1638
@@ -79,13 +78,14 @@ extern "C" {
 #define TM1638_STB_GPIO     GPIOA
 #define TM1638_STB_PIN      GPIO_PIN_2
 
-#elif defined(TM1638_PLATFORM_ESP32_IDF)
+#elif defined(TM1638_PLATFORM_ESP32_IDF) || defined(ESP_PLATFORM)
 /**
  * @brief  Specify IO Pins of ESP32 connected to TM1638
+ * @note   `ESP_PLATFORM` automatically activates (value TRUE) when building with ESP-IDF build chain
  */
-#define TM1638_CLK_GPIO     GPIO_NUM_0
-#define TM1638_DIO_GPIO     GPIO_NUM_1
-#define TM1638_STB_GPIO     GPIO_NUM_2
+#define TM1638_CLK_GPIO     (gpio_num_t)CONFIG_TM1638_CLK_GPIO
+#define TM1638_DIO_GPIO     (gpio_num_t)CONFIG_TM1638_DIO_GPIO
+#define TM1638_STB_GPIO     (gpio_num_t)CONFIG_TM1638_STB_GPIO
 #endif