[gd32][i2c]Add an example for measuring the onboard peripherals of the I2C board

bsp/gd32/risc-v/gd32vw553h-eval/board/Kconfig

@@ -108,6 +108,26 @@ endmenu
 
 menu "Board extended module Drivers"
 
+    menuconfig BSP_USING_AT24C02
+        bool "Enable AT24C02 I2C0( SCL[PA2 : 2] SDA[PA3 : 3] )"
+        default n
+        select PKG_USING_AT24CXX
+        select PKG_AT24CXX_EE_TYPE_AT24C02
+
+        if BSP_USING_AT24C02
+
+            config BSP_USING_AT24C02_UTEST
+                bool "Enable the utest of AT24C02"
+                default n
+                select RT_USING_UTEST
+                select RT_USING_ULOG
+                select ULOG_USING_ISR_LOG
+
+            config BSP_USING_AT24C02_INIT
+                bool "Init the model and check it"
+                default y
+
+        endif
 endmenu
 
 endmenu

bsp/gd32/risc-v/gd32vw553h-eval/board/SConscript

@@ -24,4 +24,10 @@ if rtconfig.PLATFORM in ['gcc']:
 CPPDEFINES = ['GD32VW553H_EVAL']
 group = DefineGroup('Drivers', src, depend = [''], CPPPATH = path, CPPDEFINES = CPPDEFINES)
 
+list = os.listdir(cwd)
+for item in list:
+    if os.path.isfile(os.path.join(cwd, item, 'SConscript')):
+        group = group + SConscript(os.path.join(item, 'SConscript'))
+
+
 Return('group')

bsp/gd32/risc-v/gd32vw553h-eval/board/linker_scripts/link.lds

@@ -62,6 +62,12 @@ SECTIONS
     __rt_init_end = .;
     . = ALIGN(4);
 
+    /* section information for utest */
+    . = ALIGN(4);
+    __rt_utest_tc_tab_start = .;
+    KEEP(*(UtestTcTab))
+    __rt_utest_tc_tab_end = .;
+
     /* section information for modules */
     . = ALIGN(4);
     __rtmsymtab_start = .;

bsp/gd32/risc-v/gd32vw553h-eval/board/port/SConscript

@@ -0,0 +1,28 @@
+import os
+from building import *
+
+objs = []
+cwd  = GetCurrentDir()
+
+# add general drivers
+src = []
+path =  [cwd]
+
+if GetDepend(['BSP_USING_AT24C02']):
+    path += [cwd + "/at24c02"]
+
+    if GetDepend(['BSP_USING_AT24C02_UTEST']):
+        src += ["./at24c02/test_at24c02.c"]
+
+    if GetDepend(['BSP_USING_AT24C02_INIT']):
+        src += ['./at24c02/at24c02.c']
+
+CPPDEFINES = ['GD32VW553H_EVAL']
+group = DefineGroup('Drivers', src, depend = [''], CPPPATH = path, CPPDEFINES = CPPDEFINES)
+
+list = os.listdir(cwd)
+for item in list:
+    if os.path.isfile(os.path.join(cwd, item, 'SConscript')):
+        group = group + SConscript(os.path.join(item, 'SConscript'))
+
+Return('group')

bsp/gd32/risc-v/gd32vw553h-eval/board/port/at24c02/at24c02.c

@@ -0,0 +1,35 @@
+#include "rtconfig.h"
+
+#ifdef BSP_USING_AT24C02_INIT
+
+#include "at24c02.h"
+
+at24cxx_device_t gd32_at24c02 = RT_NULL;
+
+static int init_gd32_at24c02(void)
+{
+    rt_err_t result = RT_EOK;
+
+    gd32_at24c02 = at24cxx_init(AT24C02_I2C_NAME, AT24C02_ADDR_INPUT);
+
+    if (gd32_at24c02 == RT_NULL)
+    {
+        rt_kprintf("AT24C02 initialization failed\n");
+        return RT_ERROR;
+    }
+
+    result = at24cxx_check(gd32_at24c02);
+
+    if (result == RT_ERROR)
+    {
+        rt_kprintf("AT24C02 check failed\n");
+        return RT_ERROR;
+    }
+
+    return RT_EOK;
+}
+
+
+INIT_DEVICE_EXPORT(init_gd32_at24c02);
+
+#endif

bsp/gd32/risc-v/gd32vw553h-eval/board/port/at24c02/at24c02.h

@@ -0,0 +1,12 @@
+#ifndef AT24C02_H
+#define AT24C02_H
+
+#include <rtthread.h>
+#include "at24cxx.h"
+
+#define AT24C02_I2C_NAME "i2c0"
+#define AT24C02_ADDR_INPUT  0x0
+
+extern at24cxx_device_t gd32_at24c02;
+
+#endif // AT24C02_H

bsp/gd32/risc-v/gd32vw553h-eval/board/port/at24c02/test_at24c02.c

@@ -0,0 +1,82 @@
+#include "rtconfig.h"
+
+#ifdef BSP_USING_AT24C02
+
+#include "at24cxx.h"
+#include <rtthread.h>
+#include "utest.h"
+
+#define AT24C02_I2C_NAME "i2c0"
+#define TEST_DATA  "WELCOM TO RTT"
+
+static at24cxx_device_t dev = RT_NULL;
+
+static rt_err_t test_at24c02_init(void)
+{
+    rt_err_t result = RT_EOK;
+    uint8_t AddrInput = 0x0;
+
+    dev = at24cxx_init(AT24C02_I2C_NAME, AddrInput);
+    if (dev == RT_NULL)
+    {
+       LOG_E("AT24C02 initialization failed\n");
+       result = RT_ERROR;
+    }
+
+    return result;
+}
+
+static void test_at24c02_example(void)
+{
+    uint8_t write_buffer[] = TEST_DATA;
+    int data_size = sizeof(write_buffer);
+    rt_err_t result = RT_EOK;
+
+    uint8_t read_buffer[50] = {0};
+    /* 写入数据 */
+    result = at24cxx_write(dev, 0, write_buffer, data_size);
+    if (result == RT_ERROR)
+    {
+       LOG_E("Failed to write data to AT24C02\n");
+    }
+   LOG_I("Successfully wrote to AT24C02: %s\n", write_buffer);
+
+    /* 读取数据 */
+    result = at24cxx_read(dev, 0, read_buffer, data_size);
+    if (result == RT_ERROR)
+    {
+       LOG_E("Failed to read data from AT24C02\n");
+    }
+    LOG_I("Successfully read from AT24C02: %s\n", read_buffer);
+
+    uassert_str_equal(write_buffer, read_buffer);
+
+    /* 检查数据 */
+    result =  at24cxx_check(dev);
+
+    uassert_true(result == RT_EOK);
+
+    return;
+}
+
+static rt_err_t test_at24c02_deinit(void)
+{
+
+    if (dev != RT_NULL)
+    {
+        at24cxx_deinit(dev);
+        dev = RT_NULL;
+        return RT_EOK;
+    }
+
+    return RT_ERROR;
+}
+
+static void test_case(void)
+{
+    UTEST_UNIT_RUN(test_at24c02_example);
+}
+
+UTEST_TC_EXPORT(test_case, "bsp.gd32.port.at24c02" , test_at24c02_init, test_at24c02_deinit, 100);
+
+#endif