From 479162e47b5175b23361b8db1cf77eb734a9502c Mon Sep 17 00:00:00 2001
From: simon <simon.kruecken@web.de>
Date: Sun, 26 Apr 2026 11:43:33 +0200
Subject: [PATCH] Added Uart

---
 main/CMakeLists.txt |  2 +-
 main/hw_test.c      |  4 ++--
 main/uart.c         | 39 +++++++++++++++++++++++++++++++++++++++
 main/uart.h         |  2 ++
 4 files changed, 44 insertions(+), 3 deletions(-)
 create mode 100644 main/uart.c
 create mode 100644 main/uart.h

diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index 6d3621f..d32ddea 100644
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -1,2 +1,2 @@
-idf_component_register(SRCS "hw_test.c" "bosch456.c"
+idf_component_register(SRCS "hw_test.c" "bosch456.c" "uart.c"
                     INCLUDE_DIRS ".")
diff --git a/main/hw_test.c b/main/hw_test.c
index 5f754d2..3fdc752 100644
--- a/main/hw_test.c
+++ b/main/hw_test.c
@@ -6,6 +6,7 @@
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "led_strip.h"
+#include "uart.h"
 #include <stdint.h>
 #include "bosch456.h"
 
@@ -13,8 +14,6 @@
 #define TASTER_GPIO 12
 #define V_LIPO_1 1
 #define V_LIPO_2 12
-#define TERMAINL_RX 2
-#define TERMINAL_TX 3
 #define DIP_MASTER 4
 #define I2C_SCL 5
 #define I2C_SDA 6
@@ -180,4 +179,5 @@ void app_main(void) {
   }
 
   init_bma456(bus_handle);
+  init_uart();
 }
diff --git a/main/uart.c b/main/uart.c
new file mode 100644
index 0000000..23815f6
--- /dev/null
+++ b/main/uart.c
@@ -0,0 +1,39 @@
+#include "driver/uart.h"
+#include "esp_log.h"
+#include "hal/uart_types.h"
+#include "uart.h"
+
+#define MASTER_UART UART_NUM_1
+#define BUF_SIZE (256)
+#define TERMAINL_RX 2
+#define TERMINAL_TX 3
+
+void uart_read_task(void *param) {
+  uint8_t *data = (uint8_t *)malloc(BUF_SIZE);
+  int len = 0;
+
+  while (1) {
+    len = uart_read_bytes(MASTER_UART, data, BUF_SIZE, pdMS_TO_TICKS(20));
+    if (len > 0) {
+      for (int i = 0; i < len; i++) {
+        ESP_LOGI("UART", "UART: %c", data[i]);
+      }
+    }
+  }
+}
+
+void init_uart() {
+  uart_config_t uart_config = {// .baud_rate = 115200, // 921600, 115200
+                               .baud_rate = 921600,
+                               .data_bits = UART_DATA_8_BITS,
+                               .parity = UART_PARITY_DISABLE,
+                               .stop_bits = UART_STOP_BITS_1,
+                               .flow_ctrl = UART_HW_FLOWCTRL_DISABLE};
+
+  uart_driver_install(MASTER_UART, BUF_SIZE * 2, 0, 0, NULL, 0);
+  uart_param_config(MASTER_UART, &uart_config);
+  uart_set_pin(MASTER_UART, TERMINAL_TX, TERMAINL_RX, UART_PIN_NO_CHANGE,
+               UART_PIN_NO_CHANGE);
+
+  xTaskCreate(uart_read_task, "Read Uart", 4096, NULL, 1, NULL);
+}
diff --git a/main/uart.h b/main/uart.h
new file mode 100644
index 0000000..b35b3c8
--- /dev/null
+++ b/main/uart.h
@@ -0,0 +1,2 @@
+
+void init_uart();