Merge pull request #2515 from xuzhuoyi/rtdef.h

[bsp][tms320f28379d] Add SCI support

bsp/tms320f28379d/.config

@@ -8,17 +8,19 @@ CONFIG_SOC_TMS320F28X=y
 # RT-Thread Kernel
 #
 CONFIG_RT_NAME_MAX=8
+CONFIG_RT_USING_ARCH_DATA_TYPE=y
+# CONFIG_RT_USING_SMP is not set
 CONFIG_RT_ALIGN_SIZE=4
 CONFIG_RT_THREAD_PRIORITY_8=y
 # CONFIG_RT_THREAD_PRIORITY_32 is not set
 # CONFIG_RT_THREAD_PRIORITY_256 is not set
 CONFIG_RT_THREAD_PRIORITY_MAX=8
 CONFIG_RT_TICK_PER_SECOND=100
-CONFIG_RT_USING_OVERFLOW_CHECK=y
+# CONFIG_RT_USING_OVERFLOW_CHECK is not set
 CONFIG_RT_USING_HOOK=y
 CONFIG_RT_USING_IDLE_HOOK=y
 CONFIG_RT_IDEL_HOOK_LIST_SIZE=4
-CONFIG_IDLE_THREAD_STACK_SIZE=256
+CONFIG_IDLE_THREAD_STACK_SIZE=1024
 # CONFIG_RT_USING_TIMER_SOFT is not set
 CONFIG_RT_DEBUG=y
 CONFIG_RT_DEBUG_COLOR=y
@@ -62,7 +64,8 @@ CONFIG_RT_USING_DEVICE=y
 # CONFIG_RT_USING_INTERRUPT_INFO is not set
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=128
-CONFIG_RT_CONSOLE_DEVICE_NAME="uart"
+CONFIG_RT_CONSOLE_DEVICE_NAME="scia"
+CONFIG_RT_VER_NUM=0x40001
 CONFIG_ARCH_TIDSP=y
 CONFIG_ARCH_TIDSP_C28X=y
 CONFIG_ARCH_CPU_STACK_GROWS_UPWARD=y
@@ -106,11 +109,13 @@ CONFIG_RT_USING_DEVICE_IPC=y
 CONFIG_RT_PIPE_BUFSZ=512
 CONFIG_RT_USING_SERIAL=y
 CONFIG_RT_SERIAL_USING_DMA=y
+CONFIG_RT_SERIAL_RB_BUFSZ=64
 # CONFIG_RT_USING_CAN is not set
 # CONFIG_RT_USING_HWTIMER is not set
 # CONFIG_RT_USING_CPUTIME is not set
 # CONFIG_RT_USING_I2C is not set
 CONFIG_RT_USING_PIN=y
+# CONFIG_RT_USING_ADC is not set
 # CONFIG_RT_USING_PWM is not set
 # CONFIG_RT_USING_MTD_NOR is not set
 # CONFIG_RT_USING_MTD_NAND is not set
@@ -121,6 +126,7 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_SPI is not set
 # CONFIG_RT_USING_WDT is not set
 # CONFIG_RT_USING_AUDIO is not set
+# CONFIG_RT_USING_SENSOR is not set
 
 #
 # Using WiFi
@@ -174,6 +180,7 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_LOGTRACE is not set
 # CONFIG_RT_USING_RYM is not set
 # CONFIG_RT_USING_ULOG is not set
+# CONFIG_RT_USING_UTEST is not set
 
 #
 # RT-Thread online packages
@@ -184,10 +191,12 @@ CONFIG_RT_USING_PIN=y
 #
 # CONFIG_PKG_USING_PAHOMQTT is not set
 # CONFIG_PKG_USING_WEBCLIENT is not set
+# CONFIG_PKG_USING_WEBNET is not set
 # CONFIG_PKG_USING_MONGOOSE is not set
 # CONFIG_PKG_USING_WEBTERMINAL is not set
 # CONFIG_PKG_USING_CJSON is not set
 # CONFIG_PKG_USING_JSMN is not set
+# CONFIG_PKG_USING_LIBMODBUS is not set
 # CONFIG_PKG_USING_LJSON is not set
 # CONFIG_PKG_USING_EZXML is not set
 # CONFIG_PKG_USING_NANOPB is not set
@@ -205,6 +214,7 @@ CONFIG_RT_USING_PIN=y
 # Wiced WiFi
 #
 # CONFIG_PKG_USING_WLAN_WICED is not set
+# CONFIG_PKG_USING_RW007 is not set
 # CONFIG_PKG_USING_COAP is not set
 # CONFIG_PKG_USING_NOPOLL is not set
 # CONFIG_PKG_USING_NETUTILS is not set
@@ -218,6 +228,9 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_GAGENT_CLOUD is not set
 # CONFIG_PKG_USING_ALI_IOTKIT is not set
 # CONFIG_PKG_USING_AZURE is not set
+# CONFIG_PKG_USING_TENCENT_IOTKIT is not set
+# CONFIG_PKG_USING_NIMBLE is not set
+# CONFIG_PKG_USING_OTA_DOWNLOADER is not set
 
 #
 # security packages
@@ -238,6 +251,7 @@ CONFIG_RT_USING_PIN=y
 #
 # CONFIG_PKG_USING_OPENMV is not set
 # CONFIG_PKG_USING_MUPDF is not set
+# CONFIG_PKG_USING_STEMWIN is not set
 
 #
 # tools packages
@@ -247,6 +261,9 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_EASYLOGGER is not set
 # CONFIG_PKG_USING_SYSTEMVIEW is not set
 # CONFIG_PKG_USING_RDB is not set
+# CONFIG_PKG_USING_QRCODE is not set
+# CONFIG_PKG_USING_ULOG_EASYFLASH is not set
+# CONFIG_PKG_USING_ADBD is not set
 
 #
 # system packages
@@ -262,10 +279,12 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_LITTLEVGL2RTT is not set
 # CONFIG_PKG_USING_CMSIS is not set
 # CONFIG_PKG_USING_DFS_YAFFS is not set
+# CONFIG_PKG_USING_LITTLEFS is not set
 
 #
 # peripheral libraries and drivers
 #
+# CONFIG_PKG_USING_SENSORS_DRIVERS is not set
 # CONFIG_PKG_USING_REALTEK_AMEBA is not set
 # CONFIG_PKG_USING_SHT2X is not set
 # CONFIG_PKG_USING_AHT10 is not set
@@ -273,6 +292,12 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_STM32_SDIO is not set
 # CONFIG_PKG_USING_ICM20608 is not set
 # CONFIG_PKG_USING_U8G2 is not set
+# CONFIG_PKG_USING_BUTTON is not set
+# CONFIG_PKG_USING_MPU6XXX is not set
+# CONFIG_PKG_USING_PCF8574 is not set
+# CONFIG_PKG_USING_SX12XX is not set
+# CONFIG_PKG_USING_SIGNAL_LED is not set
+# CONFIG_PKG_USING_KENDRYTE_SDK is not set
 
 #
 # miscellaneous packages
@@ -286,10 +311,8 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_CANFESTIVAL is not set
 # CONFIG_PKG_USING_ZLIB is not set
 # CONFIG_PKG_USING_DSTR is not set
-
-#
-# sample package
-#
+# CONFIG_PKG_USING_TINYFRAME is not set
+# CONFIG_PKG_USING_KENDRYTE_DEMO is not set
 
 #
 # samples: kernel and components samples
@@ -298,8 +321,6 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_FILESYSTEM_SAMPLES is not set
 # CONFIG_PKG_USING_NETWORK_SAMPLES is not set
 # CONFIG_PKG_USING_PERIPHERAL_SAMPLES is not set
-
-#
-# example package: hello
-#
 # CONFIG_PKG_USING_HELLO is not set
+# CONFIG_PKG_USING_VI is not set
+# CONFIG_PKG_USING_NNOM is not set

bsp/tms320f28379d/.cproject

@@ -38,6 +38,7 @@
 								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.TMU_SUPPORT.1184307973" name="Specify TMU support (--tmu_support)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.TMU_SUPPORT" value="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.TMU_SUPPORT.tmu0" valueType="enumerated"/>
 								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.INCLUDE_PATH.559432837" name="Add dir to #include search path (--include_path, -I)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.INCLUDE_PATH" valueType="includePath">
 									<listOptionValue builtIn="false" value="${PROJECT_ROOT}"/>
+									<listOptionValue builtIn="false" value="${PROJECT_LOC}/../../components/drivers/include"/>
 									<listOptionValue builtIn="false" value="${PROJECT_LOC}/libraries/headers/include"/>
 									<listOptionValue builtIn="false" value="${PROJECT_LOC}/libraries/common/include"/>
 									<listOptionValue builtIn="false" value="${PROJECT_LOC}/../../include"/>
@@ -51,8 +52,9 @@
 								</option>
 								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.DIAG_WRAP.1116445206" name="Wrap diagnostic messages (--diag_wrap)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.DIAG_WRAP" value="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.DIAG_WRAP.off" valueType="enumerated"/>
 								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.DISPLAY_ERROR_NUMBER.1267281219" name="Emit diagnostic identifier numbers (--display_error_number, -pden)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.DISPLAY_ERROR_NUMBER" value="true" valueType="boolean"/>
-								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.DEFINE.1335024937" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.DEFINE" valueType="definedSymbols">
+								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.DEFINE.1335024937" name="Pre-define NAME (--define, -D)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.DEFINE" valueType="definedSymbols">
 									<listOptionValue builtIn="false" value="CPU1"/>
+									<listOptionValue builtIn="false" value="_LAUNCHXL_F28379D"/>
 								</option>
 								<inputType id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compiler.inputType__C_SRCS.950197594" name="C Sources" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compiler.inputType__C_SRCS"/>
 								<inputType id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compiler.inputType__CPP_SRCS.785224019" name="C++ Sources" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compiler.inputType__CPP_SRCS"/>
@@ -60,7 +62,7 @@
 								<inputType id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compiler.inputType__ASM2_SRCS.1601340693" name="Assembly Sources" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compiler.inputType__ASM2_SRCS"/>
 							</tool>
 							<tool id="com.ti.ccstudio.buildDefinitions.C2000_18.1.exe.linkerDebug.133401444" name="C2000 Linker" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.exe.linkerDebug">
-								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.linkerID.STACK_SIZE.1793871018" name="Set C system stack size (--stack_size, -stack)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.linkerID.STACK_SIZE" value="0x200" valueType="string"/>
+								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.linkerID.STACK_SIZE.1793871018" name="Set C system stack size (--stack_size, -stack)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.linkerID.STACK_SIZE" value="0x400" valueType="string"/>
 								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.linkerID.MAP_FILE.890856168" name="Link information (map) listed into &lt;file&gt; (--map_file, -m)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.linkerID.MAP_FILE" value="${ProjName}.map" valueType="string"/>
 								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.linkerID.OUTPUT_FILE.1475548266" name="Specify output file name (--output_file, -o)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.linkerID.OUTPUT_FILE" value="${ProjName}.out" valueType="string"/>
 								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.linkerID.LIBRARY.146551947" name="Include library file or command file as input (--library, -l)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.linkerID.LIBRARY" valueType="libs">

bsp/tms320f28379d/.project

@@ -25,6 +25,11 @@
 		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
 	</natures>
 	<linkedResources>
+		<link>
+			<name>DeviceDrivers</name>
+			<type>2</type>
+			<locationURI>virtual:/virtual</locationURI>
+		</link>
 		<link>
 			<name>Kernel</name>
 			<type>2</type>
@@ -35,5 +40,15 @@
 			<type>2</type>
 			<locationURI>PARENT-2-PROJECT_LOC/libcpu/ti-dsp/c28x</locationURI>
 		</link>
+		<link>
+			<name>DeviceDrivers/serial.c</name>
+			<type>1</type>
+			<locationURI>PARENT-2-PROJECT_LOC/components/drivers/serial/serial.c</locationURI>
+		</link>
+		<link>
+			<name>DeviceDrivers/src</name>
+			<type>2</type>
+			<locationURI>PARENT-2-PROJECT_LOC/components/drivers/src</locationURI>
+		</link>
 	</linkedResources>
 </projectDescription>

bsp/tms320f28379d/.settings/org.eclipse.core.resources.prefs

 eclipse.preferences.version=1
+encoding//Debug/DeviceDrivers/src/subdir_rules.mk=UTF-8
+encoding//Debug/DeviceDrivers/src/subdir_vars.mk=UTF-8
+encoding//Debug/DeviceDrivers/subdir_rules.mk=UTF-8
+encoding//Debug/DeviceDrivers/subdir_vars.mk=UTF-8
 encoding//Debug/Kernel/subdir_rules.mk=UTF-8
 encoding//Debug/Kernel/subdir_vars.mk=UTF-8
 encoding//Debug/applications/subdir_rules.mk=UTF-8

bsp/tms320f28379d/README.md

@@ -23,7 +23,13 @@ TMS320F28379D 是一款功能强大的 32 位浮点微控制器单元 (MCU)，
 
 ## 3. 烧写及执行
 
-连接开发板电源后，使用 CCS 中的烧写功能可直接通过板载 XDS100v2 仿真器烧写并执行。
+连接开发板电源后，使用 CCS 中的烧写功能可直接通过板载 XDS100v2 仿真器烧写并执行。在终端工具里打开相应的串口（115200-8-1-N），复位设备后，可以看到 RT-Thread 的输出信息:
+```bash
+ \ | /
+- RT -     Thread Operating System
+ / | \     4.0.1 build Feb 21 2019
+ 2006 - 2019 Copyright by rt-thread team
+ ```
 
 ## 4. 驱动支持情况及计划
 
@@ -31,10 +37,10 @@ TMS320F28379D 是一款功能强大的 32 位浮点微控制器单元 (MCU)，
 | ------ | ----  | :------:  |
 | CPU Timer | 支持 |  |
 | GPIO | 支持 | |
-| SCI | 开发中 | SCIA/B，预计2018年9月底实现 |
-| ePWM | | 预计2019年10月支持 |
-| ADC | | 预计2019年10月支持 |
-| DAC | | 预计2019/Q4支持|
+| SCI | 支持 | SCIA |
+| ePWM | | 预计2019年3月支持 |
+| ADC | | 预计2019/Q2支持 |
+| DAC | | |
 | I2C | | |
 | SPI | | |
 | CAN | | |

bsp/tms320f28379d/applications/startup.c

@@ -47,6 +47,8 @@ void rtthread_startup(void)
     /* init board */
     rt_hw_board_init();
 
+    rt_hw_interrupt_disable();
+
     /* show version */
     rt_show_version();
 

bsp/tms320f28379d/drivers/board.c

@@ -10,16 +10,16 @@
  */
 #include <rtthread.h>
 #include "board.h"
+#include "drv_sci.h"
 #include "F28x_Project.h"
 
 extern interrupt void RTOSINT_Handler();
 
-
 /**
  * This is the timer interrupt service routine.
  *
  */
-interrupt void cpu_timer2_isr (void)
+interrupt void cpu_timer2_isr(void)
 {
     CpuTimer2Regs.TCR.all = 0x8000;
     /* enter interrupt */
@@ -30,7 +30,6 @@ interrupt void cpu_timer2_isr (void)
     rt_interrupt_leave();
 }
 
-
 /**
  * This function will initial STM32 board.
  */
@@ -60,6 +59,9 @@ void rt_hw_board_init()
 #ifdef RT_USING_HEAP
     rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
 #endif
+
+    rt_hw_sci_init();
+
 #ifdef RT_USING_COMPONENTS_INIT
     rt_components_board_init();
 #endif

bsp/tms320f28379d/drivers/board.h

@@ -11,13 +11,15 @@
 
 #ifndef __BOARD_H__
 #define __BOARD_H__
+
 #include <rtthread.h>
 
 #define C28X_SRAM_END          0x00020000
 
-
 #define HEAP_BEGIN  0x0000E000
 #define HEAP_END    C28X_SRAM_END
+
 extern void rt_hw_board_init(void);
+
 #endif
 

bsp/tms320f28379d/drivers/drv_sci.c

+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-02-02     xuzhuoyi     first version
+ */
+
+#include "rtdevice.h"
+#include "board.h"
+#include "drv_sci.h"
+#include "F2837xD_device.h"
+#include "F2837xD_sci.h"
+
+typedef long off_t;
+#include "F2837xD_sci_io.h"
+
+#ifdef RT_USING_SERIAL
+
+#define LOG_TAG             "drv.sci"
+
+/* c28x uart driver class */
+struct c28x_uart
+{
+    const char *name;
+    volatile struct SCI_REGS *sci_regs;
+    struct rt_serial_device serial;
+};
+
+static struct c28x_uart uart_obj[3] = {0};
+
+static rt_err_t c28x_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
+{
+    struct c28x_uart *uart;
+    RT_ASSERT(serial != RT_NULL);
+    RT_ASSERT(cfg != RT_NULL);
+    uart = (struct c28x_uart *)serial->parent.user_data;
+    RT_ASSERT(uart != RT_NULL);
+
+    EALLOW;
+
+    // default config
+
+    // 1 stop bit,  No loopback
+    // No parity,8 char bits,
+    // async mode, idle-line protocol
+    uart->sci_regs->SCICCR.all = 0x0007;
+
+    // enable TX, RX, internal SCICLK,
+    // Disable RX ERR, SLEEP, TXWAKE
+    uart->sci_regs->SCICTL1.all = 0x0003;
+
+    uart->sci_regs->SCICTL2.bit.TXINTENA = 1;
+    uart->sci_regs->SCICTL2.bit.RXBKINTENA = 1;
+
+    uart->sci_regs->SCIHBAUD.all = 0x0000;  // 115200 baud @LSPCLK = 22.5MHz (90 MHz SYSCLK).
+    uart->sci_regs->SCILBAUD.all = 53;
+
+    uart->sci_regs->SCICTL1.all = 0x0023;  // Relinquish SCI from Reset
+
+    switch (cfg->data_bits)
+    {
+    case DATA_BITS_5:
+        uart->sci_regs->SCICCR.bit.SCICHAR = 4;
+        break;
+    case DATA_BITS_6:
+        uart->sci_regs->SCICCR.bit.SCICHAR = 5;
+        break;
+    case DATA_BITS_7:
+        uart->sci_regs->SCICCR.bit.SCICHAR = 6;
+        break;
+    case DATA_BITS_8:
+        uart->sci_regs->SCICCR.bit.SCICHAR = 7;
+        break;
+    default:
+        uart->sci_regs->SCICCR.bit.SCICHAR = 7;
+        break;
+    }
+    switch (cfg->stop_bits)
+    {
+    case STOP_BITS_1:
+        uart->sci_regs->SCICCR.bit.STOPBITS = 0;
+        break;
+    case STOP_BITS_2:
+        uart->sci_regs->SCICCR.bit.STOPBITS = 1;
+        break;
+    default:
+        uart->sci_regs->SCICCR.bit.STOPBITS = 0;
+        break;
+    }
+    switch (cfg->parity)
+    {
+    case PARITY_NONE:
+        uart->sci_regs->SCICCR.bit.PARITYENA = 0;
+        break;
+    case PARITY_ODD:
+        uart->sci_regs->SCICCR.bit.PARITYENA = 1;
+        uart->sci_regs->SCICCR.bit.PARITY = 0;
+        break;
+    case PARITY_EVEN:
+        uart->sci_regs->SCICCR.bit.PARITYENA = 1;
+        uart->sci_regs->SCICCR.bit.PARITY = 1;
+        break;
+    default:
+        uart->sci_regs->SCICCR.bit.PARITYENA = 0;
+        break;
+    }
+
+    EDIS;
+
+    return RT_EOK;
+}
+
+static rt_err_t c28x_control(struct rt_serial_device *serial, int cmd, void *arg)
+{
+    struct c28x_uart *uart;
+    uart = (struct c28x_uart *)serial->parent.user_data;
+
+    EALLOW;
+
+    switch (cmd)
+    {
+    /* disable interrupt */
+    case RT_DEVICE_CTRL_CLR_INT:
+        /* disable interrupt */
+        uart->sci_regs->SCICTL2.bit.TXINTENA = 0;
+        uart->sci_regs->SCICTL2.bit.RXBKINTENA = 0;
+        break;
+    /* enable interrupt */
+    case RT_DEVICE_CTRL_SET_INT:
+        /* enable interrupt */
+        uart->sci_regs->SCICTL2.bit.TXINTENA = 1;
+        uart->sci_regs->SCICTL2.bit.RXBKINTENA = 1;
+        break;
+    }
+    return RT_EOK;
+}
+
+static int c28x_putc(struct rt_serial_device *serial, char c)
+{
+    SCI_write(0, &c, 1);
+    return 1;
+}
+
+static int c28x_getc(struct rt_serial_device *serial)
+{
+    char ch;
+    SCI_read(0, &ch, 1);
+    return ch;
+}
+
+static const struct rt_uart_ops c28x_uart_ops =
+{
+    .configure = c28x_configure,
+    .control = c28x_control,
+    .putc = c28x_putc,
+    .getc = c28x_getc,
+};
+
+int rt_hw_sci_init(void)
+{
+    EALLOW;
+
+    GpioCtrlRegs.GPBMUX1.bit.GPIO42 = 3;
+    GpioCtrlRegs.GPBMUX1.bit.GPIO43 = 3;
+    GpioCtrlRegs.GPBGMUX1.bit.GPIO42 = 3;
+    GpioCtrlRegs.GPBGMUX1.bit.GPIO43 = 3;
+
+    GpioCtrlRegs.GPAMUX2.bit.GPIO18 = 2;
+    GpioCtrlRegs.GPAMUX2.bit.GPIO19 = 2;
+    GpioCtrlRegs.GPAGMUX2.bit.GPIO18 = 0;
+    GpioCtrlRegs.GPAGMUX2.bit.GPIO19 = 0;
+
+    GpioCtrlRegs.GPBMUX2.bit.GPIO56 = 2;
+    GpioCtrlRegs.GPEMUX1.bit.GPIO139 = 2;
+    GpioCtrlRegs.GPBGMUX2.bit.GPIO56 = 1;
+    GpioCtrlRegs.GPEGMUX1.bit.GPIO139 = 1;
+
+    CpuSysRegs.PCLKCR7.bit.SCI_A = 1;
+    CpuSysRegs.PCLKCR7.bit.SCI_B = 1;
+    CpuSysRegs.PCLKCR7.bit.SCI_C = 1;
+
+    EDIS;
+
+    struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+    rt_err_t result = 0;
+
+    uart_obj[0].serial.ops    = &c28x_uart_ops;
+    uart_obj[0].serial.config = config;
+    uart_obj[0].name          = "scia";
+    uart_obj[0].sci_regs      = &SciaRegs;
+
+    uart_obj[1].serial.ops    = &c28x_uart_ops;
+    uart_obj[1].serial.config = config;
+    uart_obj[1].name          = "scib";
+    uart_obj[1].sci_regs      = &ScibRegs;
+
+    uart_obj[2].serial.ops    = &c28x_uart_ops;
+    uart_obj[2].serial.config = config;
+    uart_obj[2].name          = "scic";
+    uart_obj[2].sci_regs      = &ScicRegs;
+
+
+    /* register UART device */
+    result = rt_hw_serial_register(&uart_obj[0].serial, uart_obj[0].name,
+                                   RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
+                                   &uart_obj[0]);
+
+    /* register UART device */
+    result = rt_hw_serial_register(&uart_obj[1].serial, uart_obj[1].name,
+                                   RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
+                                   &uart_obj[1]);
+
+    /* register UART device */
+    result = rt_hw_serial_register(&uart_obj[2].serial, uart_obj[2].name,
+                                   RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
+                                   &uart_obj[2]);
+
+    return result;
+}
+
+#endif /* RT_USING_SERIAL */

bsp/tms320f28379d/drivers/drv_sci.h

+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-02-02     xuzhuoyi     first version
+ */
+
+#ifndef __DRV_SCI_H__
+#define __DRV_SCI_H__
+
+int rt_hw_sci_init(void);
+
+#endif  /* __DRV_SCI_H__ */

bsp/tms320f28379d/rtconfig.h

@@ -9,15 +9,15 @@
 /* RT-Thread Kernel */
 
 #define RT_NAME_MAX 8
+#define RT_USING_ARCH_DATA_TYPE
 #define RT_ALIGN_SIZE 4
 #define RT_THREAD_PRIORITY_8
 #define RT_THREAD_PRIORITY_MAX 8
 #define RT_TICK_PER_SECOND 100
-#define RT_USING_OVERFLOW_CHECK
 #define RT_USING_HOOK
 #define RT_USING_IDLE_HOOK
 #define RT_IDEL_HOOK_LIST_SIZE 4
-#define IDLE_THREAD_STACK_SIZE 256
+#define IDLE_THREAD_STACK_SIZE 1024
 #define RT_DEBUG
 #define RT_DEBUG_COLOR
 
@@ -40,7 +40,8 @@
 #define RT_USING_DEVICE
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 128
-#define RT_CONSOLE_DEVICE_NAME "uart"
+#define RT_CONSOLE_DEVICE_NAME "scia"
+#define RT_VER_NUM 0x40001
 #define ARCH_TIDSP
 #define ARCH_TIDSP_C28X
 #define ARCH_CPU_STACK_GROWS_UPWARD
@@ -70,6 +71,7 @@
 #define RT_PIPE_BUFSZ 512
 #define RT_USING_SERIAL
 #define RT_SERIAL_USING_DMA
+#define RT_SERIAL_RB_BUFSZ 64
 #define RT_USING_PIN
 
 /* Using WiFi */
@@ -138,12 +140,8 @@
 /* miscellaneous packages */
 
 
-/* sample package */
-
 /* samples: kernel and components samples */
 
-
-/* example package: hello */
-
+#include "rtconfig_project.h"
 
 #endif

bsp/tms320f28379d/rtconfig_project.h

+/*
+ * Copyright (c) 2006-2019, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-03-27     xuzhuoyi     the first version
+ */
+
+#ifndef __RTCONFIG_PROJECT_H__
+#define __RTCONFIG_PROJECT_H__
+
+typedef signed   char                   rt_int8_t;      /**<  8bit integer type */
+typedef signed   short                  rt_int16_t;     /**< 16bit integer type */
+typedef signed   long                   rt_int32_t;     /**< 32bit integer type */
+typedef signed   long long              rt_int64_t;     /**< 64bit integer type */
+typedef unsigned char                   rt_uint8_t;     /**<  8bit unsigned integer type */
+typedef unsigned short                  rt_uint16_t;    /**< 16bit unsigned integer type */
+typedef unsigned long                   rt_uint32_t;    /**< 32bit unsigned integer type */
+typedef unsigned long long              rt_uint64_t;    /**< 64bit unsigned integer type */
+
+#endif