Stair56E UART project

2026-08-05 19:07:52 +08:00
parent 7ca1af130d
commit f5654b70cc
2500 changed files with 619007 additions and 282610 deletions
@@ -0,0 +1,110 @@
+/*!
+ * \file      main.c
+ *
+ * \brief     Target main implementation
+ *
+ * \copyright Revised BSD License, see section \ref LICENSE.
+ *
+ * \code
+ *
+ *            _  __ _       ________    _     
+ *           | |/ /(_)___  / ____/ /_  (_)___ 
+ *           |   // / __ \/ /   / __ \/ / __ \
+ *          /   |/ / / / / /___/ / / / / /_/ /
+ *         /_/|_/_/_/ /_/\____/_/ /_/_/ .___/ 
+ *                                   /_/      
+ *           (C) 2022-2025 XinChip
+ *
+ * \endcode
+ *
+ * \author     ( XinChip ) Alex-J
+ *
+ * \author     ( XinChip )
+ */
+
+/*-----------------------------------------------------------------------------------
+	                               INCLUDE HEADE FILES
+ ------------------------------------------------------------------------------------*/
+#include "xc6xxx.h"
+#include "usbd_core.h"
+#include "usb_device.h"
+#include "usbd_cdc_if.h"
+
+/*------------------------------------------------------------------------------------
+	                                 Global Variables
+ -------------------------------------------------------------------------------------*/
+
+/*------------------------------------------------------------------------------------
+	                                    Functions
+ -------------------------------------------------------------------------------------*/
+void SysTick_Callback(void)
+{
+
+}
+ 
+void clock_init(void)
+{
+    CLOCK_InitCfg_t clock_cfg;
+
+    clock_cfg.hfclk_src = CLOCK_HFCLK_SRC_XTAL;
+    clock_cfg.hfclk_in  = CLOCK_HFCLK_IN_48M;
+    clock_cfg.lfclk_src = CLOCK_LFCLK_SRC_RC;
+
+    if (clock_cfg.lfclk_src == CLOCK_LFCLK_SRC_XTAL) {
+        clock_cfg.lfclk_in = CLOCK_LFCLK_IN_32768;
+    } else if (clock_cfg.lfclk_src == CLOCK_LFCLK_SRC_RC) {
+        clock_cfg.lfclk_in = CLOCK_LFCLK_IN_32K;
+    }
+
+    xc_clock_init_cfg(&clock_cfg);
+
+    SysTick_Config(xc_clock_hfclk_in_get() / 100);
+    SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk;
+}
+
+void app_uart_init(void)
+{
+    GPIO_InitCfg_t gpio_cfg = {0};
+
+    gpio_cfg.Mux            = GPIO_Mux0;
+    gpio_cfg.Pull           = GPIO_PULLUP;
+    gpio_cfg.Int            = NOT_INT;
+    gpio_cfg.FunSel         = UART0_TX;
+
+    gpio_cfg.Pin            = GPIO_18;
+    gpio_cfg.Dir            = GPIO_DIR_OUTPUT;
+    xc_gpio_init(&gpio_cfg);
+
+    gpio_cfg.FunSel = UART0_RX;
+    gpio_cfg.Pin    = GPIO_19;
+    gpio_cfg.Dir    = GPIO_DIR_INPUT;
+    xc_gpio_init(&gpio_cfg);
+
+    UART_InitCfg_t uart_cfg      = {0};
+
+    uart_cfg.Parity              = UART_PARITY_DISABLE;
+    uart_cfg.StopBits            = UART_STOP_1_BITS;
+    uart_cfg.WordLength          = UART_DATA_8_BITS;
+    uart_cfg.BaudRate            = UART_BAUDRATE_115200;
+    uart_cfg.HardwareFlowControl = UART_HWFC_DISABLE;
+
+    xc_uart_init(UART0_IDX, &uart_cfg);
+}
+
+int main(void)
+{       
+    clock_init( );
+
+    app_uart_init( );
+       
+    DEBUG("__USB_CDC_DEMO__\n");
+    
+    /* USB Device Initialization */
+    USB_DEVICE_Init( );
+   
+    while(1)
+    {     
+
+    }
+}
+