From fb718ae09b557446d51f5c29a1771e2ad0e553e2 Mon Sep 17 00:00:00 2001
From: jzlv <jzlv@bouffalolab.com>
Date: Wed, 21 Dec 2022 20:25:59 +0800
Subject: [PATCH] [update][examples] update demos

---
 examples/bflog/proj.conf                      |  1 -
 examples/fatfs/proj.conf                      |  1 -
 examples/lua/proj.conf                        |  1 -
 examples/lvgl/proj.conf                       |  1 -
 .../peripherals/cam/cam_crop/CMakeLists.txt   |  9 ++
 examples/peripherals/cam/cam_crop/Makefile    | 13 +++
 examples/peripherals/cam/cam_crop/main.c      | 69 ++++++++++++++
 examples/peripherals/cam/cam_crop/proj.conf   |  2 +
 .../peripherals/cam/cam_int/CMakeLists.txt    |  9 ++
 examples/peripherals/cam/cam_int/Makefile     | 13 +++
 examples/peripherals/cam/cam_int/main.c       | 72 ++++++++++++++
 examples/peripherals/cam/cam_int/proj.conf    |  2 +
 .../peripherals/cam/cam_normal/CMakeLists.txt |  9 ++
 examples/peripherals/cam/cam_normal/Makefile  | 13 +++
 examples/peripherals/cam/cam_normal/main.c    | 62 +++++++++++++
 examples/peripherals/cam/cam_normal/proj.conf |  2 +
 .../peripherals/cam/cam_yuv420/CMakeLists.txt |  9 ++
 examples/peripherals/cam/cam_yuv420/Makefile  | 13 +++
 examples/peripherals/cam/cam_yuv420/main.c    | 82 ++++++++++++++++
 examples/peripherals/cam/cam_yuv420/proj.conf |  2 +
 examples/peripherals/dac/dac_dma/main.c       |  3 +-
 examples/peripherals/dac/dac_polling/main.c   |  3 +-
 .../peripherals/efuse/efuse_rw/CMakeLists.txt |  9 ++
 examples/peripherals/efuse/efuse_rw/Makefile  | 13 +++
 examples/peripherals/efuse/efuse_rw/main.c    | 93 +++++++++++++++++++
 examples/peripherals/efuse/efuse_rw/proj.conf |  2 +
 .../efuse/efuse_trim/CMakeLists.txt           |  9 ++
 .../peripherals/efuse/efuse_trim/Makefile     | 13 +++
 examples/peripherals/efuse/efuse_trim/main.c  | 44 +++++++++
 .../peripherals/efuse/efuse_trim/proj.conf    |  2 +
 examples/peripherals/emac/emac_basic/main.c   |  4 +-
 .../peripherals/emac/emac_basic/proj.conf     |  1 -
 .../emac/lwip_http_server/http_server.c       |  1 +
 .../emac/lwip_http_server/proj.conf           |  1 -
 examples/peripherals/emac/lwip_tcp/proj.conf  |  1 -
 examples/peripherals/emac/lwip_udp/proj.conf  |  1 -
 .../flash/flash_secure_read_write/main.c      | 18 ++--
 .../peripherals/gpio/gpio_input_output/main.c |  3 +-
 .../peripherals/gpio/gpio_interrupt/main.c    |  5 +-
 .../i2c/i2c_eeprom_interrupt/main.c           | 50 +++++++++-
 examples/peripherals/ir/ir_nec/Makefile       |  1 +
 examples/peripherals/ir/ir_nec/main.c         | 10 +-
 examples/peripherals/ir/ir_rc5/Makefile       |  1 +
 examples/peripherals/ir/ir_rc5/main.c         | 10 +-
 examples/peripherals/ir/ir_swm/Makefile       |  1 +
 examples/peripherals/ir/ir_swm/main.c         |  4 +-
 examples/peripherals/ir/ir_tx_dma/Makefile    |  1 +
 examples/peripherals/ir/ir_tx_dma/main.c      |  4 +-
 .../peripherals/mjpeg/mjpeg_no_camera/main.c  | 33 +------
 examples/peripherals/psram/main.c             | 28 ++----
 examples/peripherals/spi/spi_int/main.c       | 51 +++++++---
 examples/peripherals/uart/uart_ir/main.c      |  2 +-
 52 files changed, 704 insertions(+), 103 deletions(-)
 create mode 100644 examples/peripherals/cam/cam_crop/CMakeLists.txt
 create mode 100644 examples/peripherals/cam/cam_crop/Makefile
 create mode 100644 examples/peripherals/cam/cam_crop/main.c
 create mode 100644 examples/peripherals/cam/cam_crop/proj.conf
 create mode 100644 examples/peripherals/cam/cam_int/CMakeLists.txt
 create mode 100644 examples/peripherals/cam/cam_int/Makefile
 create mode 100644 examples/peripherals/cam/cam_int/main.c
 create mode 100644 examples/peripherals/cam/cam_int/proj.conf
 create mode 100644 examples/peripherals/cam/cam_normal/CMakeLists.txt
 create mode 100644 examples/peripherals/cam/cam_normal/Makefile
 create mode 100644 examples/peripherals/cam/cam_normal/main.c
 create mode 100644 examples/peripherals/cam/cam_normal/proj.conf
 create mode 100644 examples/peripherals/cam/cam_yuv420/CMakeLists.txt
 create mode 100644 examples/peripherals/cam/cam_yuv420/Makefile
 create mode 100644 examples/peripherals/cam/cam_yuv420/main.c
 create mode 100644 examples/peripherals/cam/cam_yuv420/proj.conf
 create mode 100644 examples/peripherals/efuse/efuse_rw/CMakeLists.txt
 create mode 100644 examples/peripherals/efuse/efuse_rw/Makefile
 create mode 100644 examples/peripherals/efuse/efuse_rw/main.c
 create mode 100644 examples/peripherals/efuse/efuse_rw/proj.conf
 create mode 100644 examples/peripherals/efuse/efuse_trim/CMakeLists.txt
 create mode 100644 examples/peripherals/efuse/efuse_trim/Makefile
 create mode 100644 examples/peripherals/efuse/efuse_trim/main.c
 create mode 100644 examples/peripherals/efuse/efuse_trim/proj.conf

diff --git a/examples/bflog/proj.conf b/examples/bflog/proj.conf
index 84b7bfb2..a42bdc6c 100644
--- a/examples/bflog/proj.conf
+++ b/examples/bflog/proj.conf
@@ -5,6 +5,5 @@ set(CONFIG_BFLOG 1)
 set(CONFIG_BFLOG_USER 1)
 set(CONFIG_FATFS 1)
 
-set(CONFIG_BSP_COMMON 1)
 set(CONFIG_BSP_SDH_SDCARD 1)
 set(CONFIG_BSP_FATFS_SDH_SDCARD 1)
\ No newline at end of file
diff --git a/examples/fatfs/proj.conf b/examples/fatfs/proj.conf
index cdee037a..69314858 100644
--- a/examples/fatfs/proj.conf
+++ b/examples/fatfs/proj.conf
@@ -4,6 +4,5 @@ set(CONFIG_VLIBC_FATFS 1)
 set(CONFIG_BFLOG 0)
 set(CONFIG_FATFS 1)
 
-set(CONFIG_BSP_COMMON 1)
 set(CONFIG_BSP_SDH_SDCARD 1)
 set(CONFIG_FATFS_SDH_SDCARD 1)
\ No newline at end of file
diff --git a/examples/lua/proj.conf b/examples/lua/proj.conf
index 3cdb6c99..5d760d5c 100644
--- a/examples/lua/proj.conf
+++ b/examples/lua/proj.conf
@@ -6,6 +6,5 @@ set(CONFIG_FATFS 1)
 set(CONFIG_LUA 1)
 set(CONFIG_LUA_LHAL 1)
 
-set(CONFIG_BSP_COMMON 1)
 set(CONFIG_BSP_SDH_SDCARD 1)
 set(CONFIG_BSP_FATFS_SDH_SDCARD 1)
\ No newline at end of file
diff --git a/examples/lvgl/proj.conf b/examples/lvgl/proj.conf
index 2287b18c..ddef7bae 100644
--- a/examples/lvgl/proj.conf
+++ b/examples/lvgl/proj.conf
@@ -1,3 +1,2 @@
-set(CONFIG_BSP_COMMON 1)
 set(CONFIG_BSP_LCD 1)
 set(CONFIG_LVGL 1)
\ No newline at end of file
diff --git a/examples/peripherals/cam/cam_crop/CMakeLists.txt b/examples/peripherals/cam/cam_crop/CMakeLists.txt
new file mode 100644
index 00000000..2cab9f0b
--- /dev/null
+++ b/examples/peripherals/cam/cam_crop/CMakeLists.txt
@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.15)
+
+include(proj.conf)
+
+find_package(bouffalo_sdk REQUIRED HINTS $ENV{BL_SDK_BASE})
+
+sdk_set_main_file(main.c)
+
+project(cam_crop)
diff --git a/examples/peripherals/cam/cam_crop/Makefile b/examples/peripherals/cam/cam_crop/Makefile
new file mode 100644
index 00000000..44367c02
--- /dev/null
+++ b/examples/peripherals/cam/cam_crop/Makefile
@@ -0,0 +1,13 @@
+SDK_DEMO_PATH ?= .
+BL_SDK_BASE ?= $(SDK_DEMO_PATH)/../../../..
+
+export BL_SDK_BASE
+
+CHIP ?= bl616
+BOARD ?= bl616dk
+CROSS_COMPILE ?= riscv64-unknown-elf-
+
+# add custom cmake definition
+#cmake_definition+=-Dxxx=sss
+
+include $(BL_SDK_BASE)/project.build
diff --git a/examples/peripherals/cam/cam_crop/main.c b/examples/peripherals/cam/cam_crop/main.c
new file mode 100644
index 00000000..3ed5e82c
--- /dev/null
+++ b/examples/peripherals/cam/cam_crop/main.c
@@ -0,0 +1,69 @@
+#include "bflb_mtimer.h"
+#include "bflb_i2c.h"
+#include "bflb_cam.h"
+#include "image_sensor.h"
+#include "board.h"
+
+#define CROP_WQVGA_X        416
+#define CROP_WQVGA_Y        240
+#define CAM_FRAME_COUNT_USE 50
+
+static struct bflb_device_s *i2c0;
+static struct bflb_device_s *cam0;
+
+int main(void)
+{
+    uint32_t i, pic_size;
+    uint8_t *pic;
+    struct bflb_cam_config_s cam_config;
+    struct image_sensor_config_s *sensor_config;
+
+    board_init();
+    board_dvp_gpio_init();
+
+    i2c0 = bflb_device_get_by_name("i2c0");
+    cam0 = bflb_device_get_by_name("cam0");
+
+    if (image_sensor_scan(i2c0, &sensor_config)) {
+        printf("\r\nSensor name: %s\r\n", sensor_config->name);
+    } else {
+        printf("\r\nError! Can't identify sensor!\r\n");
+        while (1) {
+        }
+    }
+
+    /* Crop resolution_x, should be set before init */
+    bflb_cam_crop_hsync(cam0, 112, 112 + CROP_WQVGA_X);
+    /* Crop resolution_y, should be set before init */
+    bflb_cam_crop_vsync(cam0, 120, 120 + CROP_WQVGA_Y);
+
+    memcpy(&cam_config, sensor_config, IMAGE_SENSOR_INFO_COPY_SIZE);
+    cam_config.with_mjpeg = false;
+    cam_config.output_format = CAM_OUTPUT_FORMAT_AUTO;
+    cam_config.output_bufaddr = BFLB_PSRAM_BASE;
+    cam_config.output_bufsize = CROP_WQVGA_X * CROP_WQVGA_Y * 8;
+
+    bflb_cam_init(cam0, &cam_config);
+    bflb_cam_start(cam0);
+
+    for (i = 0; i < CAM_FRAME_COUNT_USE; i++) {
+        while (bflb_cam_get_frame_count(cam0) == 0) {
+        }
+        pic_size = bflb_cam_get_frame_info(cam0, &pic);
+        bflb_cam_pop_one_frame(cam0);
+        printf("pop picture %d: 0x%08x, len: %d\r\n", i, (uint32_t)pic, pic_size);
+    }
+
+    bflb_cam_stop(cam0);
+
+    //for (i = 0; i < pic_size; i++) {
+    //    printf("%02x", pic[i]);
+    //}
+    //printf("\r\n");
+
+    printf("end\r\n");
+
+    while (1) {
+        bflb_mtimer_delay_ms(1000);
+    }
+}
diff --git a/examples/peripherals/cam/cam_crop/proj.conf b/examples/peripherals/cam/cam_crop/proj.conf
new file mode 100644
index 00000000..806d830a
--- /dev/null
+++ b/examples/peripherals/cam/cam_crop/proj.conf
@@ -0,0 +1,2 @@
+set(CONFIG_BSP_IMAGE_SENSOR 1)
+set(CONFIG_PSRAM 1)
\ No newline at end of file
diff --git a/examples/peripherals/cam/cam_int/CMakeLists.txt b/examples/peripherals/cam/cam_int/CMakeLists.txt
new file mode 100644
index 00000000..4f1749c4
--- /dev/null
+++ b/examples/peripherals/cam/cam_int/CMakeLists.txt
@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.15)
+
+include(proj.conf)
+
+find_package(bouffalo_sdk REQUIRED HINTS $ENV{BL_SDK_BASE})
+
+sdk_set_main_file(main.c)
+
+project(cam_int)
diff --git a/examples/peripherals/cam/cam_int/Makefile b/examples/peripherals/cam/cam_int/Makefile
new file mode 100644
index 00000000..44367c02
--- /dev/null
+++ b/examples/peripherals/cam/cam_int/Makefile
@@ -0,0 +1,13 @@
+SDK_DEMO_PATH ?= .
+BL_SDK_BASE ?= $(SDK_DEMO_PATH)/../../../..
+
+export BL_SDK_BASE
+
+CHIP ?= bl616
+BOARD ?= bl616dk
+CROSS_COMPILE ?= riscv64-unknown-elf-
+
+# add custom cmake definition
+#cmake_definition+=-Dxxx=sss
+
+include $(BL_SDK_BASE)/project.build
diff --git a/examples/peripherals/cam/cam_int/main.c b/examples/peripherals/cam/cam_int/main.c
new file mode 100644
index 00000000..7c0421f3
--- /dev/null
+++ b/examples/peripherals/cam/cam_int/main.c
@@ -0,0 +1,72 @@
+#include "bflb_mtimer.h"
+#include "bflb_i2c.h"
+#include "bflb_cam.h"
+#include "image_sensor.h"
+#include "board.h"
+
+#define CAM_FRAME_COUNT_USE 50
+
+static struct bflb_device_s *i2c0;
+static struct bflb_device_s *cam0;
+
+static volatile uint32_t cam_int_cnt = 0, pic_size;
+static uint8_t *pic;
+
+void cam_isr(int irq, void *arg)
+{
+    bflb_cam_int_clear(cam0, CAM_INTCLR_NORMAL);
+    cam_int_cnt++;
+    pic_size = bflb_cam_get_frame_info(cam0, &pic);
+    bflb_cam_pop_one_frame(cam0);
+    printf("CAM interrupt, pop picture %d: 0x%08x, len: %d\r\n", cam_int_cnt, (uint32_t)pic, pic_size);
+}
+
+int main(void)
+{
+    uint32_t i;
+    struct bflb_cam_config_s cam_config;
+    struct image_sensor_config_s *sensor_config;
+
+    board_init();
+    board_dvp_gpio_init();
+
+    i2c0 = bflb_device_get_by_name("i2c0");
+    cam0 = bflb_device_get_by_name("cam0");
+
+    if (image_sensor_scan(i2c0, &sensor_config)) {
+        printf("\r\nSensor name: %s\r\n", sensor_config->name);
+    } else {
+        printf("\r\nError! Can't identify sensor!\r\n");
+        while (1) {
+        }
+    }
+
+    bflb_cam_int_mask(cam0, CAM_INTMASK_NORMAL, false);
+    bflb_irq_attach(cam0->irq_num, cam_isr, NULL);
+    bflb_irq_enable(cam0->irq_num);
+
+    memcpy(&cam_config, sensor_config, IMAGE_SENSOR_INFO_COPY_SIZE);
+    cam_config.with_mjpeg = false;
+    cam_config.output_format = CAM_OUTPUT_FORMAT_AUTO;
+    cam_config.output_bufaddr = BFLB_PSRAM_BASE;
+    cam_config.output_bufsize = cam_config.resolution_x * cam_config.resolution_y * 12;
+
+    bflb_cam_init(cam0, &cam_config);
+    bflb_cam_start(cam0);
+
+    while (cam_int_cnt < CAM_FRAME_COUNT_USE) {
+    }
+
+    bflb_cam_stop(cam0);
+
+    //for (i = 0; i < pic_size; i++) {
+    //    printf("%02x", pic[i]);
+    //}
+    //printf("\r\n");
+
+    printf("end\r\n");
+
+    while (1) {
+        bflb_mtimer_delay_ms(1000);
+    }
+}
diff --git a/examples/peripherals/cam/cam_int/proj.conf b/examples/peripherals/cam/cam_int/proj.conf
new file mode 100644
index 00000000..806d830a
--- /dev/null
+++ b/examples/peripherals/cam/cam_int/proj.conf
@@ -0,0 +1,2 @@
+set(CONFIG_BSP_IMAGE_SENSOR 1)
+set(CONFIG_PSRAM 1)
\ No newline at end of file
diff --git a/examples/peripherals/cam/cam_normal/CMakeLists.txt b/examples/peripherals/cam/cam_normal/CMakeLists.txt
new file mode 100644
index 00000000..9089ccca
--- /dev/null
+++ b/examples/peripherals/cam/cam_normal/CMakeLists.txt
@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.15)
+
+include(proj.conf)
+
+find_package(bouffalo_sdk REQUIRED HINTS $ENV{BL_SDK_BASE})
+
+sdk_set_main_file(main.c)
+
+project(cam_normal)
diff --git a/examples/peripherals/cam/cam_normal/Makefile b/examples/peripherals/cam/cam_normal/Makefile
new file mode 100644
index 00000000..44367c02
--- /dev/null
+++ b/examples/peripherals/cam/cam_normal/Makefile
@@ -0,0 +1,13 @@
+SDK_DEMO_PATH ?= .
+BL_SDK_BASE ?= $(SDK_DEMO_PATH)/../../../..
+
+export BL_SDK_BASE
+
+CHIP ?= bl616
+BOARD ?= bl616dk
+CROSS_COMPILE ?= riscv64-unknown-elf-
+
+# add custom cmake definition
+#cmake_definition+=-Dxxx=sss
+
+include $(BL_SDK_BASE)/project.build
diff --git a/examples/peripherals/cam/cam_normal/main.c b/examples/peripherals/cam/cam_normal/main.c
new file mode 100644
index 00000000..1ead8415
--- /dev/null
+++ b/examples/peripherals/cam/cam_normal/main.c
@@ -0,0 +1,62 @@
+#include "bflb_mtimer.h"
+#include "bflb_i2c.h"
+#include "bflb_cam.h"
+#include "image_sensor.h"
+#include "board.h"
+
+#define CAM_FRAME_COUNT_USE 50
+
+static struct bflb_device_s *i2c0;
+static struct bflb_device_s *cam0;
+
+int main(void)
+{
+    uint32_t i, pic_size;
+    uint8_t *pic;
+    struct bflb_cam_config_s cam_config;
+    struct image_sensor_config_s *sensor_config;
+
+    board_init();
+    board_dvp_gpio_init();
+
+    i2c0 = bflb_device_get_by_name("i2c0");
+    cam0 = bflb_device_get_by_name("cam0");
+
+    if (image_sensor_scan(i2c0, &sensor_config)) {
+        printf("\r\nSensor name: %s\r\n", sensor_config->name);
+    } else {
+        printf("\r\nError! Can't identify sensor!\r\n");
+        while (1) {
+        }
+    }
+
+    memcpy(&cam_config, sensor_config, IMAGE_SENSOR_INFO_COPY_SIZE);
+    cam_config.with_mjpeg = false;
+    cam_config.output_format = CAM_OUTPUT_FORMAT_AUTO;
+    cam_config.output_bufaddr = BFLB_PSRAM_BASE;
+    cam_config.output_bufsize = cam_config.resolution_x * cam_config.resolution_y * 8;
+
+    bflb_cam_init(cam0, &cam_config);
+    bflb_cam_start(cam0);
+
+    for (i = 0; i < CAM_FRAME_COUNT_USE; i++) {
+        while (bflb_cam_get_frame_count(cam0) == 0) {
+        }
+        pic_size = bflb_cam_get_frame_info(cam0, &pic);
+        bflb_cam_pop_one_frame(cam0);
+        printf("pop picture %d: 0x%08x, len: %d\r\n", i, (uint32_t)pic, pic_size);
+    }
+
+    bflb_cam_stop(cam0);
+
+    //for (i = 0; i < pic_size; i++) {
+    //    printf("%02x", pic[i]);
+    //}
+    //printf("\r\n");
+
+    printf("end\r\n");
+
+    while (1) {
+        bflb_mtimer_delay_ms(1000);
+    }
+}
diff --git a/examples/peripherals/cam/cam_normal/proj.conf b/examples/peripherals/cam/cam_normal/proj.conf
new file mode 100644
index 00000000..806d830a
--- /dev/null
+++ b/examples/peripherals/cam/cam_normal/proj.conf
@@ -0,0 +1,2 @@
+set(CONFIG_BSP_IMAGE_SENSOR 1)
+set(CONFIG_PSRAM 1)
\ No newline at end of file
diff --git a/examples/peripherals/cam/cam_yuv420/CMakeLists.txt b/examples/peripherals/cam/cam_yuv420/CMakeLists.txt
new file mode 100644
index 00000000..bd2790b0
--- /dev/null
+++ b/examples/peripherals/cam/cam_yuv420/CMakeLists.txt
@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.15)
+
+include(proj.conf)
+
+find_package(bouffalo_sdk REQUIRED HINTS $ENV{BL_SDK_BASE})
+
+sdk_set_main_file(main.c)
+
+project(cam_yuv420)
diff --git a/examples/peripherals/cam/cam_yuv420/Makefile b/examples/peripherals/cam/cam_yuv420/Makefile
new file mode 100644
index 00000000..44367c02
--- /dev/null
+++ b/examples/peripherals/cam/cam_yuv420/Makefile
@@ -0,0 +1,13 @@
+SDK_DEMO_PATH ?= .
+BL_SDK_BASE ?= $(SDK_DEMO_PATH)/../../../..
+
+export BL_SDK_BASE
+
+CHIP ?= bl616
+BOARD ?= bl616dk
+CROSS_COMPILE ?= riscv64-unknown-elf-
+
+# add custom cmake definition
+#cmake_definition+=-Dxxx=sss
+
+include $(BL_SDK_BASE)/project.build
diff --git a/examples/peripherals/cam/cam_yuv420/main.c b/examples/peripherals/cam/cam_yuv420/main.c
new file mode 100644
index 00000000..25aa0362
--- /dev/null
+++ b/examples/peripherals/cam/cam_yuv420/main.c
@@ -0,0 +1,82 @@
+#include "bflb_mtimer.h"
+#include "bflb_i2c.h"
+#include "bflb_cam.h"
+#include "image_sensor.h"
+#include "board.h"
+
+#define CAM_FRAME_COUNT_USE 50
+
+static struct bflb_device_s *i2c0;
+static struct bflb_device_s *cam0_y;
+static struct bflb_device_s *cam1_uv;
+
+int main(void)
+{
+    uint32_t i, pic_size_y, pic_size_uv;
+    uint8_t *pic_y, *pic_uv;
+    struct bflb_cam_config_s cam_config;
+    struct image_sensor_config_s *sensor_config;
+
+    board_init();
+    board_dvp_gpio_init();
+
+    i2c0 = bflb_device_get_by_name("i2c0");
+    cam0_y = bflb_device_get_by_name("cam0");
+    cam1_uv = bflb_device_get_by_name("cam1");
+
+    if (image_sensor_scan(i2c0, &sensor_config)) {
+        printf("\r\nSensor name: %s\r\n", sensor_config->name);
+    } else {
+        printf("\r\nError! Can't identify sensor!\r\n");
+        while (1) {
+        }
+    }
+
+    /* Init cam0 for Y */
+    memcpy(&cam_config, sensor_config, IMAGE_SENSOR_INFO_COPY_SIZE);
+    cam_config.with_mjpeg = false;
+    cam_config.output_format = CAM_OUTPUT_FORMAT_GRAY;
+    cam_config.output_bufaddr = BFLB_PSRAM_BASE;
+    cam_config.output_bufsize = cam_config.resolution_x * cam_config.resolution_y * 6;
+    bflb_cam_init(cam0_y, &cam_config);
+
+    /* Init cam1 for UV */
+    cam_config.output_format = CAM_OUTPUT_FORMAT_YUV420_UV;
+    cam_config.output_bufaddr += cam_config.output_bufsize;
+    cam_config.output_bufsize /= 2;
+    bflb_cam_init(cam1_uv, &cam_config);
+
+    bflb_cam_start(cam0_y);
+    bflb_cam_start(cam1_uv);
+
+    for (i = 0; i < CAM_FRAME_COUNT_USE; i++) {
+        while (bflb_cam_get_frame_count(cam0_y) == 0 || bflb_cam_get_frame_count(cam1_uv) == 0) {
+        }
+        pic_size_y = bflb_cam_get_frame_info(cam0_y, &pic_y);
+        pic_size_uv = bflb_cam_get_frame_info(cam1_uv, &pic_uv);
+        bflb_cam_pop_one_frame(cam0_y);
+        bflb_cam_pop_one_frame(cam1_uv);
+        printf("pop picture_y  %d: 0x%08x, len: %d\r\n", i, (uint32_t)pic_y, pic_size_y);
+        printf("pop picture_uv %d: 0x%08x, len: %d\r\n", i, (uint32_t)pic_uv, pic_size_uv);
+    }
+
+    bflb_cam_stop(cam0_y);
+    bflb_cam_stop(cam1_uv);
+
+    /* Printf Y */
+    //for (i = 0; i < pic_size_y; i++) {
+    //    printf("%02x", pic_y[i]);
+    //}
+
+    /* Printf UV */
+    //for (i = 0; i < pic_size_uv; i++) {
+    //    printf("%02x", pic_uv[i]);
+    //}
+    //printf("\r\n");
+
+    printf("end\r\n");
+
+    while (1) {
+        bflb_mtimer_delay_ms(1000);
+    }
+}
diff --git a/examples/peripherals/cam/cam_yuv420/proj.conf b/examples/peripherals/cam/cam_yuv420/proj.conf
new file mode 100644
index 00000000..806d830a
--- /dev/null
+++ b/examples/peripherals/cam/cam_yuv420/proj.conf
@@ -0,0 +1,2 @@
+set(CONFIG_BSP_IMAGE_SENSOR 1)
+set(CONFIG_PSRAM 1)
\ No newline at end of file
diff --git a/examples/peripherals/dac/dac_dma/main.c b/examples/peripherals/dac/dac_dma/main.c
index adde4e97..b7e2b6b7 100644
--- a/examples/peripherals/dac/dac_dma/main.c
+++ b/examples/peripherals/dac/dac_dma/main.c
@@ -70,7 +70,8 @@ int main(void)
 
     bflb_dma_channel_irq_attach(dma0_ch0, dma0_ch0_isr, NULL);
 
-    bflb_dac_init(dac, DAC_SAMPLING_FREQ_512K);
+    /* 512K / 1 = 512K */
+    bflb_dac_init(dac, DAC_CLK_DIV_1);
     bflb_dac_channel_enable(dac, DAC_CHANNEL_A);
     bflb_dac_channel_enable(dac, DAC_CHANNEL_B);
     bflb_dac_link_txdma(dac, true);
diff --git a/examples/peripherals/dac/dac_polling/main.c b/examples/peripherals/dac/dac_polling/main.c
index 4c1e8d3a..88c27c81 100644
--- a/examples/peripherals/dac/dac_polling/main.c
+++ b/examples/peripherals/dac/dac_polling/main.c
@@ -43,7 +43,8 @@ int main(void)
 
     dac = bflb_device_get_by_name("dac");
 
-    bflb_dac_init(dac, DAC_SAMPLING_FREQ_32K);
+    /* 512K / 16 = 32K */
+    bflb_dac_init(dac, DAC_CLK_DIV_16);
     bflb_dac_channel_enable(dac, DAC_CHANNEL_A);
     bflb_dac_channel_enable(dac, DAC_CHANNEL_B);
 
diff --git a/examples/peripherals/efuse/efuse_rw/CMakeLists.txt b/examples/peripherals/efuse/efuse_rw/CMakeLists.txt
new file mode 100644
index 00000000..126dc0e9
--- /dev/null
+++ b/examples/peripherals/efuse/efuse_rw/CMakeLists.txt
@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.15)
+
+include(proj.conf)
+
+find_package(bouffalo_sdk REQUIRED HINTS $ENV{BL_SDK_BASE})
+
+sdk_set_main_file(main.c)
+
+project(efuse_rw)
diff --git a/examples/peripherals/efuse/efuse_rw/Makefile b/examples/peripherals/efuse/efuse_rw/Makefile
new file mode 100644
index 00000000..44367c02
--- /dev/null
+++ b/examples/peripherals/efuse/efuse_rw/Makefile
@@ -0,0 +1,13 @@
+SDK_DEMO_PATH ?= .
+BL_SDK_BASE ?= $(SDK_DEMO_PATH)/../../../..
+
+export BL_SDK_BASE
+
+CHIP ?= bl616
+BOARD ?= bl616dk
+CROSS_COMPILE ?= riscv64-unknown-elf-
+
+# add custom cmake definition
+#cmake_definition+=-Dxxx=sss
+
+include $(BL_SDK_BASE)/project.build
diff --git a/examples/peripherals/efuse/efuse_rw/main.c b/examples/peripherals/efuse/efuse_rw/main.c
new file mode 100644
index 00000000..f10ed6dc
--- /dev/null
+++ b/examples/peripherals/efuse/efuse_rw/main.c
@@ -0,0 +1,93 @@
+#include "bflb_mtimer.h"
+#include "board.h"
+#include "bflb_ef_ctrl.h"
+
+#define EFUSE_DATA_LEN        4
+#define EFUSE_DATA_START_ADDR 0x1c
+
+int main(void)
+{
+    struct bflb_device_s *efuse_dev;
+    uint32_t efuse_data_write[EFUSE_DATA_LEN] = { 0xAAAAAAAA, 0x55555555, 0x12345678, 0x87654321 };
+    uint32_t efuse_data_read[EFUSE_DATA_LEN] = { 0 };
+    int i = 0;
+
+    board_init();
+
+    efuse_dev = bflb_device_get_by_name("ef_ctrl");
+    if (NULL == efuse_dev) {
+        printf("efuse device driver not found!\r\n");
+        while (1)
+            ;
+    }
+
+    printf("\r\neFuse read write case!\r\n");
+    printf("this case should be demo on bare efuse region !!!\r\n");
+
+    /* just write data to efuse data reg, not program */
+    printf("\r\nwrite but not program\r\n");
+    bflb_ef_ctrl_write_direct(efuse_dev, EFUSE_DATA_START_ADDR, (uint32_t *)efuse_data_write, EFUSE_DATA_LEN, 0);
+
+    printf("read back \r\n");
+    bflb_ef_ctrl_read_direct(efuse_dev, EFUSE_DATA_START_ADDR, (uint32_t *)efuse_data_read, EFUSE_DATA_LEN, 0);
+    for (i = 0; i < EFUSE_DATA_LEN; i++) {
+        if (efuse_data_read[i] != efuse_data_write[i]) {
+            printf("Efuse read back error\r\n");
+            printf("read=%08x,expected=%08x\r\n", efuse_data_read[i], efuse_data_write[i]);
+        }
+    }
+
+    /* we should get zeros since last write not programmed into eFuse(program=0) */
+    printf("read back with reload\r\n");
+    bflb_ef_ctrl_read_direct(efuse_dev, EFUSE_DATA_START_ADDR, (uint32_t *)efuse_data_read, EFUSE_DATA_LEN, 1);
+    for (i = 0; i < EFUSE_DATA_LEN; i++) {
+        if (efuse_data_read[i] != 0) {
+            printf("Efuse read back with reload error\r\n");
+            printf("read=%08x,expected=%08x\r\n", efuse_data_read[i], 0);
+        }
+    }
+
+    /* write data to efuse data reg and program */
+    printf("\r\nwrite and program\r\n");
+    bflb_ef_ctrl_write_direct(efuse_dev, EFUSE_DATA_START_ADDR, (uint32_t *)efuse_data_write, EFUSE_DATA_LEN, 1);
+
+    printf("read back \r\n");
+    bflb_ef_ctrl_read_direct(efuse_dev, EFUSE_DATA_START_ADDR, (uint32_t *)efuse_data_read, EFUSE_DATA_LEN, 0);
+    for (i = 0; i < EFUSE_DATA_LEN; i++) {
+        if (efuse_data_read[i] != efuse_data_write[i]) {
+            printf("Efuse read back error\r\n");
+            printf("read=%08x,expected=%08x\r\n", efuse_data_read[i], efuse_data_write[i]);
+        }
+    }
+
+    printf("read back with reload\r\n");
+    bflb_ef_ctrl_read_direct(efuse_dev, EFUSE_DATA_START_ADDR, (uint32_t *)efuse_data_read, EFUSE_DATA_LEN, 1);
+    for (i = 0; i < EFUSE_DATA_LEN; i++) {
+        if (efuse_data_read[i] != efuse_data_write[i]) {
+            printf("Efuse read back with reload error\r\n");
+            printf("read=%08x,expected=%08x\r\n", efuse_data_read[i], efuse_data_write[i]);
+        }
+    }
+
+    /* change the zero bits into 1 and program */
+    printf("\r\nwrite and program the zero bits\r\n");
+    for (i = 0; i < EFUSE_DATA_LEN; i++) {
+        efuse_data_write[i] = ~efuse_data_write[i];
+    }
+    bflb_ef_ctrl_write_direct(efuse_dev, EFUSE_DATA_START_ADDR, (uint32_t *)efuse_data_write, EFUSE_DATA_LEN, 1);
+
+    /* now,all the data should be 0xffffffff */
+    printf("read back with reload\r\n");
+    bflb_ef_ctrl_read_direct(efuse_dev, EFUSE_DATA_START_ADDR, (uint32_t *)efuse_data_read, EFUSE_DATA_LEN, 1);
+    for (i = 0; i < EFUSE_DATA_LEN; i++) {
+        if (efuse_data_read[i] != 0xffffffff) {
+            printf("Efuse read back with reload error\r\n");
+            printf("read=%08x,expected=%08x\r\n", efuse_data_read[i], 0xffffffff);
+        }
+    }
+
+    printf("case finished!\r\n");
+    while (1) {
+        bflb_mtimer_delay_ms(1000);
+    }
+}
diff --git a/examples/peripherals/efuse/efuse_rw/proj.conf b/examples/peripherals/efuse/efuse_rw/proj.conf
new file mode 100644
index 00000000..07da89a2
--- /dev/null
+++ b/examples/peripherals/efuse/efuse_rw/proj.conf
@@ -0,0 +1,2 @@
+set(CONFIG_VLIBC 0)
+set(CONFIG_BFLOG 0)
diff --git a/examples/peripherals/efuse/efuse_trim/CMakeLists.txt b/examples/peripherals/efuse/efuse_trim/CMakeLists.txt
new file mode 100644
index 00000000..f74fbc47
--- /dev/null
+++ b/examples/peripherals/efuse/efuse_trim/CMakeLists.txt
@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.15)
+
+include(proj.conf)
+
+find_package(bouffalo_sdk REQUIRED HINTS $ENV{BL_SDK_BASE})
+
+sdk_set_main_file(main.c)
+
+project(efuse_trim)
diff --git a/examples/peripherals/efuse/efuse_trim/Makefile b/examples/peripherals/efuse/efuse_trim/Makefile
new file mode 100644
index 00000000..44367c02
--- /dev/null
+++ b/examples/peripherals/efuse/efuse_trim/Makefile
@@ -0,0 +1,13 @@
+SDK_DEMO_PATH ?= .
+BL_SDK_BASE ?= $(SDK_DEMO_PATH)/../../../..
+
+export BL_SDK_BASE
+
+CHIP ?= bl616
+BOARD ?= bl616dk
+CROSS_COMPILE ?= riscv64-unknown-elf-
+
+# add custom cmake definition
+#cmake_definition+=-Dxxx=sss
+
+include $(BL_SDK_BASE)/project.build
diff --git a/examples/peripherals/efuse/efuse_trim/main.c b/examples/peripherals/efuse/efuse_trim/main.c
new file mode 100644
index 00000000..4a830ddd
--- /dev/null
+++ b/examples/peripherals/efuse/efuse_trim/main.c
@@ -0,0 +1,44 @@
+#include "bflb_mtimer.h"
+#include "board.h"
+#include "bflb_ef_ctrl.h"
+
+char *trim_list[] = {
+    "rc32m",
+    "rc32k",
+    "tsen"
+};
+
+int main(void)
+{
+    struct bflb_device_s *efuse_dev;
+    bflb_ef_ctrl_com_trim_t trim;
+    int i = 0;
+
+    board_init();
+    printf("\r\neFuse read trim value case!\r\n");
+
+    efuse_dev = bflb_device_get_by_name("ef_ctrl");
+    if (NULL == efuse_dev) {
+        printf("efuse device driver not found!\r\n");
+        while (1)
+            ;
+    }
+
+    for (i = 0; i < sizeof(trim_list) / sizeof(trim_list[0]); i++) {
+        bflb_ef_ctrl_read_common_trim(NULL, trim_list[i], &trim, 1);
+        if (trim.en) {
+            if (trim.parity == bflb_ef_ctrl_get_trim_parity(trim.value, trim.len)) {
+                printf("trim %s value=%d!\r\n", trim_list[i], trim.value);
+            } else {
+                printf("trim %s parity error!\r\n", trim_list[i]);
+            }
+        } else {
+            printf("trim %s not found!\r\n", trim_list[i]);
+        }
+    }
+
+    printf("case finished!\r\n");
+    while (1) {
+        bflb_mtimer_delay_ms(1000);
+    }
+}
diff --git a/examples/peripherals/efuse/efuse_trim/proj.conf b/examples/peripherals/efuse/efuse_trim/proj.conf
new file mode 100644
index 00000000..07da89a2
--- /dev/null
+++ b/examples/peripherals/efuse/efuse_trim/proj.conf
@@ -0,0 +1,2 @@
+set(CONFIG_VLIBC 0)
+set(CONFIG_BFLOG 0)
diff --git a/examples/peripherals/emac/emac_basic/main.c b/examples/peripherals/emac/emac_basic/main.c
index 85fea0b0..3abf43f1 100644
--- a/examples/peripherals/emac/emac_basic/main.c
+++ b/examples/peripherals/emac/emac_basic/main.c
@@ -105,7 +105,7 @@ int main(void)
         .mac_addr[5] = 0x56,
     };
 
-    struct emac_phy_cfg_s phy_cfg = {
+    struct bflb_emac_phy_cfg_s phy_cfg = {
         .auto_negotiation = 1, /*!< Speed and mode auto negotiation */
         .full_duplex = 0,      /*!< Duplex mode */
         .speed = 0,            /*!< Speed mode */
@@ -129,7 +129,7 @@ int main(void)
     bflb_emac_int_clear(emac0, EMAC_INT_EN_ALL);
     bflb_emac_int_enable(emac0, EMAC_INT_EN_ALL, 1);
 
-    printf("EMAC ARB Packet test!\r\n");
+    printf("EMAC ARP Packet test!\r\n");
 
     /* phy module init */
     ethernet_phy_init(emac0, &phy_cfg);
diff --git a/examples/peripherals/emac/emac_basic/proj.conf b/examples/peripherals/emac/emac_basic/proj.conf
index 541be66c..aae1ede5 100644
--- a/examples/peripherals/emac/emac_basic/proj.conf
+++ b/examples/peripherals/emac/emac_basic/proj.conf
@@ -1,5 +1,4 @@
 set(CONFIG_VLIBC 0)
 set(CONFIG_BFLOG 0)
 
-set(CONFIG_BSP_COMMON 1)
 set(CONFIG_ETHERNET 1)
\ No newline at end of file
diff --git a/examples/peripherals/emac/lwip_http_server/http_server.c b/examples/peripherals/emac/lwip_http_server/http_server.c
index 210988fd..52aba400 100644
--- a/examples/peripherals/emac/lwip_http_server/http_server.c
+++ b/examples/peripherals/emac/lwip_http_server/http_server.c
@@ -37,6 +37,7 @@
 
 #include "http_server.h"
 
+
 const HtmlServerRouter_TypeDef httpRouter[] = {
     { "/", "/index.html" },
     { "/favicon.ico", "/asset/favicon.ico" },
diff --git a/examples/peripherals/emac/lwip_http_server/proj.conf b/examples/peripherals/emac/lwip_http_server/proj.conf
index 740dea45..dac65ad2 100644
--- a/examples/peripherals/emac/lwip_http_server/proj.conf
+++ b/examples/peripherals/emac/lwip_http_server/proj.conf
@@ -3,5 +3,4 @@ set(CONFIG_BFLOG 0)
 set(CONFIG_FREERTOS 1)
 set(CONFIG_LWIP 1)
 
-set(CONFIG_BSP_COMMON 1)
 set(CONFIG_ETHERNET 1)
\ No newline at end of file
diff --git a/examples/peripherals/emac/lwip_tcp/proj.conf b/examples/peripherals/emac/lwip_tcp/proj.conf
index 740dea45..dac65ad2 100644
--- a/examples/peripherals/emac/lwip_tcp/proj.conf
+++ b/examples/peripherals/emac/lwip_tcp/proj.conf
@@ -3,5 +3,4 @@ set(CONFIG_BFLOG 0)
 set(CONFIG_FREERTOS 1)
 set(CONFIG_LWIP 1)
 
-set(CONFIG_BSP_COMMON 1)
 set(CONFIG_ETHERNET 1)
\ No newline at end of file
diff --git a/examples/peripherals/emac/lwip_udp/proj.conf b/examples/peripherals/emac/lwip_udp/proj.conf
index 740dea45..dac65ad2 100644
--- a/examples/peripherals/emac/lwip_udp/proj.conf
+++ b/examples/peripherals/emac/lwip_udp/proj.conf
@@ -3,5 +3,4 @@ set(CONFIG_BFLOG 0)
 set(CONFIG_FREERTOS 1)
 set(CONFIG_LWIP 1)
 
-set(CONFIG_BSP_COMMON 1)
 set(CONFIG_ETHERNET 1)
\ No newline at end of file
diff --git a/examples/peripherals/flash/flash_secure_read_write/main.c b/examples/peripherals/flash/flash_secure_read_write/main.c
index c8fc204d..f9e4fb30 100644
--- a/examples/peripherals/flash/flash_secure_read_write/main.c
+++ b/examples/peripherals/flash/flash_secure_read_write/main.c
@@ -31,6 +31,11 @@ static void bflb_data_compare(const uint8_t *expected, uint8_t *input, uint32_t
     }
 }
 
+/**
+ *  This demo tests two decryption ways.
+ *  One is decrypted by aes module, another is decrypted by flash aes module.
+ */
+
 int main(void)
 {
     board_init();
@@ -84,15 +89,10 @@ int main(void)
     printf("flash decrypt with flash aes ctr128 success\r\n");
 
     bflb_flash_read(0x00010000, aes_ctr_tmp_buffer, AES_DATA_LEN);
-    bflb_aes_decrypt(aes, &aes_ctr_tmp_buffer[0], aes_ctr_128bit_iv, &aes_ctr_tmp_buffer2[0], 1024);
-    aes_ctr_128bit_iv[15] = 0x40; /* update counter */
-    bflb_aes_decrypt(aes, &aes_ctr_tmp_buffer[1024], aes_ctr_128bit_iv, &aes_ctr_tmp_buffer2[1024], 1024);
-    aes_ctr_128bit_iv[15] = 0x80; /* update counter */
-    bflb_aes_decrypt(aes, &aes_ctr_tmp_buffer[1024 * 2], aes_ctr_128bit_iv, &aes_ctr_tmp_buffer2[1024 * 2], 1024);
-    aes_ctr_128bit_iv[15] = 0xc0; /* update counter */
-    bflb_aes_decrypt(aes, &aes_ctr_tmp_buffer[1024 * 3], aes_ctr_128bit_iv, &aes_ctr_tmp_buffer2[1024 * 3], 1024);
-    aes_ctr_128bit_iv[15] = 0x00; /* update counter */
-    aes_ctr_128bit_iv[14] = 0x01;
+    bflb_aes_decrypt(aes, &aes_ctr_tmp_buffer[0], aes_ctr_128bit_iv, &aes_ctr_tmp_buffer2[0], 1024);  /* set new iv */
+    bflb_aes_decrypt(aes, &aes_ctr_tmp_buffer[1024], NULL, &aes_ctr_tmp_buffer2[1024], 1024);         /* use last iv */
+    bflb_aes_decrypt(aes, &aes_ctr_tmp_buffer[1024 * 2], NULL, &aes_ctr_tmp_buffer2[1024 * 2], 1024); /* use last iv */
+    bflb_aes_decrypt(aes, &aes_ctr_tmp_buffer[1024 * 3], NULL, &aes_ctr_tmp_buffer2[1024 * 3], 1024); /* use last iv */
     bflb_data_compare(aes_ctr_pt_buffer, aes_ctr_tmp_buffer2, AES_DATA_LEN);
     printf("flash decrypt with sec eng aes ctr128 success\r\n");
 
diff --git a/examples/peripherals/gpio/gpio_input_output/main.c b/examples/peripherals/gpio/gpio_input_output/main.c
index 3412811c..0d5577fc 100644
--- a/examples/peripherals/gpio/gpio_input_output/main.c
+++ b/examples/peripherals/gpio/gpio_input_output/main.c
@@ -1,9 +1,8 @@
 #include "bflb_gpio.h"
+#include "board.h"
 
 struct bflb_device_s *gpio;
 
-extern void board_init(void);
-
 int main(void)
 {
     board_init();
diff --git a/examples/peripherals/gpio/gpio_interrupt/main.c b/examples/peripherals/gpio/gpio_interrupt/main.c
index 35979943..d77c723c 100644
--- a/examples/peripherals/gpio/gpio_interrupt/main.c
+++ b/examples/peripherals/gpio/gpio_interrupt/main.c
@@ -1,10 +1,9 @@
 #include "bflb_gpio.h"
 #include "bflb_mtimer.h"
+#include "board.h"
 
 struct bflb_device_s *gpio;
 
-extern void board_init(void);
-
 void gpio_isr(int irq, void *arg)
 {
     static int i = 0;
@@ -22,7 +21,7 @@ int main(void)
     gpio = bflb_device_get_by_name("gpio");
     printf("gpio interrupt\r\n");
 
-    bflb_gpio_int_init(gpio, GPIO_PIN_0, GPIO_INT_TRIG_MODE_SYNC_FALLING_EDGE);
+    bflb_gpio_int_init(gpio, GPIO_PIN_0, GPIO_INT_TRIG_MODE_SYNC_LOW_LEVEL);
     bflb_gpio_int_mask(gpio, GPIO_PIN_0, false);
 
     bflb_irq_attach(gpio->irq_num, gpio_isr, gpio);
diff --git a/examples/peripherals/i2c/i2c_eeprom_interrupt/main.c b/examples/peripherals/i2c/i2c_eeprom_interrupt/main.c
index 86dd4abf..938582eb 100644
--- a/examples/peripherals/i2c/i2c_eeprom_interrupt/main.c
+++ b/examples/peripherals/i2c/i2c_eeprom_interrupt/main.c
@@ -7,6 +7,8 @@
 #define EEPROM_SELECT_PAGE1    (1 << 5)
 
 static struct bflb_device_s *i2c0;
+static volatile uint32_t txFifoFlag = 0;
+static volatile uint32_t rxFifoFlag = 0;
 
 void i2c_isr(int irq, void *arg)
 {
@@ -18,6 +20,14 @@ void i2c_isr(int irq, void *arg)
         bflb_i2c_int_mask(i2c0, I2C_INT_END, true);
         printf("Transfer end interrupt\r\n");
     }
+    if (status & I2C_INTSTS_TX_FIFO) {
+        bflb_i2c_int_mask(i2c0, I2C_INT_TX_FIFO, true);
+        txFifoFlag = 1;
+    }
+    if (status & I2C_INTSTS_RX_FIFO) {
+        bflb_i2c_int_mask(i2c0, I2C_INT_RX_FIFO, true);
+        rxFifoFlag = 1;
+    }
     if (status & I2C_INTSTS_NACK) {
         bflb_i2c_int_mask(i2c0, I2C_INT_NACK, true);
         printf("Error! NACK interrupt\r\n");
@@ -42,7 +52,7 @@ int main(void)
     bflb_i2c_init(i2c0, 400000);
 
     /* Set i2c interrupt */
-    bflb_i2c_int_mask(i2c0, I2C_INT_END | I2C_INT_NACK | I2C_INT_ARB | I2C_INT_FER, false);
+    bflb_i2c_int_mask(i2c0, I2C_INTEN_END | I2C_INTEN_TX_FIFO | I2C_INTEN_RX_FIFO | I2C_INTEN_NACK | I2C_INTEN_ARB | I2C_INTEN_FER, false);
     bflb_irq_attach(i2c0->irq_num, i2c_isr, NULL);
     bflb_irq_enable(i2c0->irq_num);
 
@@ -72,11 +82,19 @@ int main(void)
     msgs[1].length = EEPROM_TRANSFER_LENGTH;
 
     bflb_i2c_transfer(i2c0, msgs, 2);
+    if (txFifoFlag) {
+        printf("TX FIFO Ready interrupt generated\r\n");
+        txFifoFlag = 0;
+    }
+    if (rxFifoFlag) {
+        printf("RX FIFO Ready interrupt generated\r\n");
+        rxFifoFlag = 0;
+    }
     printf("write over\r\n\r\n");
     bflb_mtimer_delay_ms(100);
 
     /* Unmask interrupt */
-    bflb_i2c_int_mask(i2c0, I2C_INT_END | I2C_INT_NACK | I2C_INT_ARB | I2C_INT_FER, false);
+    bflb_i2c_int_mask(i2c0, I2C_INT_END | I2C_INT_TX_FIFO | I2C_INT_RX_FIFO | I2C_INT_NACK | I2C_INT_ARB | I2C_INT_FER, false);
 
     /* Write page 1 */
     subaddr[1] = EEPROM_SELECT_PAGE1;
@@ -87,11 +105,19 @@ int main(void)
     msgs[1].length = EEPROM_TRANSFER_LENGTH;
 
     bflb_i2c_transfer(i2c0, msgs, 2);
+    if (txFifoFlag) {
+        printf("TX FIFO Ready interrupt generated\r\n");
+        txFifoFlag = 0;
+    }
+    if (rxFifoFlag) {
+        printf("RX FIFO Ready interrupt generated\r\n");
+        rxFifoFlag = 0;
+    }
     printf("write over\r\n\r\n");
     bflb_mtimer_delay_ms(100);
 
     /* Unmask interrupt */
-    bflb_i2c_int_mask(i2c0, I2C_INT_END | I2C_INT_NACK | I2C_INT_ARB | I2C_INT_FER, false);
+    bflb_i2c_int_mask(i2c0, I2C_INT_END | I2C_INT_TX_FIFO | I2C_INT_RX_FIFO | I2C_INT_NACK | I2C_INT_ARB | I2C_INT_FER, false);
 
     /* Read page 0 */
     subaddr[1] = EEPROM_SELECT_PAGE0;
@@ -101,11 +127,19 @@ int main(void)
     msgs[1].buffer = read_data;
     msgs[1].length = EEPROM_TRANSFER_LENGTH;
     bflb_i2c_transfer(i2c0, msgs, 2);
+    if (txFifoFlag) {
+        printf("TX FIFO Ready interrupt generated\r\n");
+        txFifoFlag = 0;
+    }
+    if (rxFifoFlag) {
+        printf("RX FIFO Ready interrupt generated\r\n");
+        rxFifoFlag = 0;
+    }
     printf("read over\r\n\r\n");
     bflb_mtimer_delay_ms(100);
 
     /* Unmask interrupt */
-    bflb_i2c_int_mask(i2c0, I2C_INT_END | I2C_INT_NACK | I2C_INT_ARB | I2C_INT_FER, false);
+    bflb_i2c_int_mask(i2c0, I2C_INT_END | I2C_INT_TX_FIFO | I2C_INT_RX_FIFO | I2C_INT_NACK | I2C_INT_ARB | I2C_INT_FER, false);
 
     /* Read page 1 */
     subaddr[1] = EEPROM_SELECT_PAGE1;
@@ -115,6 +149,14 @@ int main(void)
     msgs[1].buffer = read_data + EEPROM_TRANSFER_LENGTH;
     msgs[1].length = EEPROM_TRANSFER_LENGTH;
     bflb_i2c_transfer(i2c0, msgs, 2);
+    if (txFifoFlag) {
+        printf("TX FIFO Ready interrupt generated\r\n");
+        txFifoFlag = 0;
+    }
+    if (rxFifoFlag) {
+        printf("RX FIFO Ready interrupt generated\r\n");
+        rxFifoFlag = 0;
+    }
     printf("read over\r\n\r\n");
     bflb_mtimer_delay_ms(100);
 
diff --git a/examples/peripherals/ir/ir_nec/Makefile b/examples/peripherals/ir/ir_nec/Makefile
index 919e3fa8..43fe42c7 100644
--- a/examples/peripherals/ir/ir_nec/Makefile
+++ b/examples/peripherals/ir/ir_nec/Makefile
@@ -5,6 +5,7 @@ export BL_SDK_BASE
 
 CHIP ?= bl808
 BOARD ?= bl808dk
+CPU_ID ?= m0
 CROSS_COMPILE ?= riscv64-unknown-elf-
 
 # add custom cmake definition
diff --git a/examples/peripherals/ir/ir_nec/main.c b/examples/peripherals/ir/ir_nec/main.c
index 7d9fc11f..18e3dbe1 100644
--- a/examples/peripherals/ir/ir_nec/main.c
+++ b/examples/peripherals/ir/ir_nec/main.c
@@ -13,7 +13,7 @@ int main(void)
 {
     board_init();
 
-    printf("IR NEC case:\n\r");
+    printf("IR NEC case:\r\n");
 
     board_ir_gpio_init();
 
@@ -58,16 +58,16 @@ int main(void)
 #ifdef IR_TX_NEC
     /* Check data received */
     if (rx_data != tx_buffer[0]) {
-        printf("Data error! receive bit: %d, value: 0x%016llx\n\r", rx_len, rx_data);
+        printf("Data error! receive bit: %d, value: 0x%016lx\r\n", rx_len, rx_data);
     } else {
-        printf("Success\n\r");
+        printf("Received correctly. receive bit: %d, value: 0x%016lx\r\n", rx_len, rx_data);
     }
 #else
-    printf("Receive bit: %d, value: 0x%016llx\n\r", rx_len, rx_data);
+    printf("Receive bit: %d, value: 0x%016lx\r\n", rx_len, rx_data);
 #endif
 #endif
 
-    printf("end\n\r");
+    printf("end\r\n");
 
     while (1) {
     }
diff --git a/examples/peripherals/ir/ir_rc5/Makefile b/examples/peripherals/ir/ir_rc5/Makefile
index 919e3fa8..43fe42c7 100644
--- a/examples/peripherals/ir/ir_rc5/Makefile
+++ b/examples/peripherals/ir/ir_rc5/Makefile
@@ -5,6 +5,7 @@ export BL_SDK_BASE
 
 CHIP ?= bl808
 BOARD ?= bl808dk
+CPU_ID ?= m0
 CROSS_COMPILE ?= riscv64-unknown-elf-
 
 # add custom cmake definition
diff --git a/examples/peripherals/ir/ir_rc5/main.c b/examples/peripherals/ir/ir_rc5/main.c
index 078cf7ad..28cf0f96 100644
--- a/examples/peripherals/ir/ir_rc5/main.c
+++ b/examples/peripherals/ir/ir_rc5/main.c
@@ -13,7 +13,7 @@ int main(void)
 {
     board_init();
 
-    printf("IR RC-5 case:\n\r");
+    printf("IR RC-5 case:\r\n");
 
     board_ir_gpio_init();
 
@@ -58,16 +58,16 @@ int main(void)
 #ifdef IR_TX_NEC
     /* Check data received */
     if (rx_data != tx_buffer[0]) {
-        printf("Data error! receive bit: %d, value: 0x%016llx\n\r", rx_len, rx_data);
+        printf("Data error! receive bit: %d, value: 0x%016lx\r\n", rx_len, rx_data);
     } else {
-        printf("Success\n\r");
+        printf("Received correctly. receive bit: %d, value: 0x%016lx\r\n", rx_len, rx_data);
     }
 #else
-    printf("Receive bit: %d, value: 0x%016llx\n\r", rx_len, rx_data);
+    printf("Receive bit: %d, value: 0x%016lx\r\n", rx_len, rx_data);
 #endif
 #endif
 
-    printf("end\n\r");
+    printf("end\r\n");
 
     while (1) {
     }
diff --git a/examples/peripherals/ir/ir_swm/Makefile b/examples/peripherals/ir/ir_swm/Makefile
index 919e3fa8..43fe42c7 100644
--- a/examples/peripherals/ir/ir_swm/Makefile
+++ b/examples/peripherals/ir/ir_swm/Makefile
@@ -5,6 +5,7 @@ export BL_SDK_BASE
 
 CHIP ?= bl808
 BOARD ?= bl808dk
+CPU_ID ?= m0
 CROSS_COMPILE ?= riscv64-unknown-elf-
 
 # add custom cmake definition
diff --git a/examples/peripherals/ir/ir_swm/main.c b/examples/peripherals/ir/ir_swm/main.c
index 7ff920d6..1c890857 100644
--- a/examples/peripherals/ir/ir_swm/main.c
+++ b/examples/peripherals/ir/ir_swm/main.c
@@ -15,7 +15,7 @@ int main(void)
 
     board_init();
 
-    printf("IR SWM case:\n\r");
+    printf("IR SWM case:\r\n");
 
     board_ir_gpio_init();
 
@@ -71,7 +71,7 @@ int main(void)
     printf("\r\n");
 #endif
 
-    printf("\n\rend\n\r");
+    printf("end\r\n");
 
     while (1) {
     }
diff --git a/examples/peripherals/ir/ir_tx_dma/Makefile b/examples/peripherals/ir/ir_tx_dma/Makefile
index 919e3fa8..43fe42c7 100644
--- a/examples/peripherals/ir/ir_tx_dma/Makefile
+++ b/examples/peripherals/ir/ir_tx_dma/Makefile
@@ -5,6 +5,7 @@ export BL_SDK_BASE
 
 CHIP ?= bl808
 BOARD ?= bl808dk
+CPU_ID ?= m0
 CROSS_COMPILE ?= riscv64-unknown-elf-
 
 # add custom cmake definition
diff --git a/examples/peripherals/ir/ir_tx_dma/main.c b/examples/peripherals/ir/ir_tx_dma/main.c
index 90373507..8c0c659b 100644
--- a/examples/peripherals/ir/ir_tx_dma/main.c
+++ b/examples/peripherals/ir/ir_tx_dma/main.c
@@ -66,7 +66,7 @@ int main(void)
 
     board_init();
 
-    printf("IR TX DMA case:\n\r");
+    printf("IR TX DMA case:\r\n");
 
     board_ir_gpio_init();
 
@@ -96,7 +96,7 @@ int main(void)
     }
     printf("Check wave\r\n");
 
-    printf("end\n\r");
+    printf("end\r\n");
 
     while (1) {
     }
diff --git a/examples/peripherals/mjpeg/mjpeg_no_camera/main.c b/examples/peripherals/mjpeg/mjpeg_no_camera/main.c
index d2e32c92..e18d3b43 100644
--- a/examples/peripherals/mjpeg/mjpeg_no_camera/main.c
+++ b/examples/peripherals/mjpeg/mjpeg_no_camera/main.c
@@ -29,28 +29,6 @@ void mjpeg_isr(int irq, void *arg)
     }
 }
 
-static uint16_t q_table_50_y[64] = {
-    16, 11, 10, 16, 24, 40, 51, 61,
-    12, 12, 14, 19, 26, 58, 60, 55,
-    14, 13, 16, 24, 40, 57, 69, 56,
-    14, 17, 22, 29, 51, 87, 80, 62,
-    18, 22, 37, 56, 68, 109, 103, 77,
-    24, 35, 55, 64, 81, 104, 113, 92,
-    49, 64, 78, 87, 103, 121, 120, 101,
-    72, 92, 95, 98, 112, 100, 103, 99
-};
-
-static uint16_t q_table_50_uv[64] = {
-    17, 18, 24, 47, 99, 99, 99, 99,
-    18, 21, 26, 66, 99, 99, 99, 99,
-    24, 26, 56, 99, 99, 99, 99, 99,
-    47, 66, 99, 99, 99, 99, 99, 99,
-    99, 99, 99, 99, 99, 99, 99, 99,
-    99, 99, 99, 99, 99, 99, 99, 99,
-    99, 99, 99, 99, 99, 99, 99, 99,
-    99, 99, 99, 99, 99, 99, 99, 99
-};
-
 uint8_t jpg_head_buf[800] = { 0 };
 uint32_t jpg_head_len;
 
@@ -81,9 +59,6 @@ void bflb_mjpeg_dump_hex(uint8_t *data, uint32_t len)
 
 int main(void)
 {
-    uint16_t tmp_table_y[64] = { 0 };
-    uint16_t tmp_table_uv[64] = { 0 };
-
     board_init();
 
     mjpeg = bflb_device_get_by_name("mjpeg");
@@ -91,18 +66,18 @@ int main(void)
     struct bflb_mjpeg_config_s config;
 
     config.format = MJPEG_FORMAT_YUV422_YUYV;
+    config.quality = MJPEG_QUALITY;
     config.resolution_x = X;
     config.resolution_y = Y;
     config.input_bufaddr0 = (uint32_t)test_64x64;
     config.input_bufaddr1 = 0;
     config.output_bufaddr = (uint32_t)BSP_PSRAM_BASE + MJPEG_MAX_FRAME_COUNT * X * Y * 2;
     config.output_bufsize = SIZE_BUFFER - MJPEG_MAX_FRAME_COUNT * X * Y * 2;
+    config.input_yy_table = NULL; /* use default table */
+    config.input_uv_table = NULL; /* use default table */
 
     bflb_mjpeg_init(mjpeg, &config);
 
-    bflb_mjpeg_calculate_quantize_table(MJPEG_QUALITY, q_table_50_y, tmp_table_y);
-    bflb_mjpeg_calculate_quantize_table(MJPEG_QUALITY, q_table_50_uv, tmp_table_uv);
-    bflb_mjpeg_fill_quantize_table(mjpeg, tmp_table_y, tmp_table_uv);
     jpg_head_len = JpegHeadCreate(YUV_MODE_422, MJPEG_QUALITY, X, Y, jpg_head_buf);
     bflb_mjpeg_fill_jpeg_header_tail(mjpeg, jpg_head_buf, jpg_head_len);
 
@@ -113,7 +88,7 @@ int main(void)
     bflb_mjpeg_sw_run(mjpeg, MJPEG_MAX_FRAME_COUNT);
 
     while (pic_count < MJPEG_MAX_FRAME_COUNT) {
-        printf("pic count:%d\r\n",pic_count);
+        printf("pic count:%d\r\n", pic_count);
         bflb_mtimer_delay_ms(200);
     }
 
diff --git a/examples/peripherals/psram/main.c b/examples/peripherals/psram/main.c
index 23968a45..6fd955ed 100644
--- a/examples/peripherals/psram/main.c
+++ b/examples/peripherals/psram/main.c
@@ -1,14 +1,6 @@
-#include "bflb_mtimer.h"
+#include "bflb_core.h"
 #include "board.h"
 
-#if defined(BL702)
-#define BSP_PSRAM_BASE 0x26000000
-#elif defined(BL616)
-#define BSP_PSRAM_BASE 0xA8000000
-#elif defined(BL808)
-#define BSP_PSRAM_BASE 0x50000000
-#endif
-
 void test32(void)
 {
     uint32_t i, val;
@@ -16,12 +8,12 @@ void test32(void)
     printf("============= check uint32_t ==============\r\n");
 
     for (i = 0; i < 256; i += 4) {
-        *((volatile uint32_t *)(BSP_PSRAM_BASE + i)) = i / 4;
+        *((volatile uint32_t *)(BFLB_PSRAM_BASE + i)) = i / 4;
     }
 
     for (i = 0; i < 256; i += 4) {
-        val = *((volatile uint32_t *)(BSP_PSRAM_BASE + i));
-        printf("addr = 0x%08X, val = 0x%08X\r\n", (BSP_PSRAM_BASE + i), *((volatile uint32_t *)(BSP_PSRAM_BASE + i)));
+        val = *((volatile uint32_t *)(BFLB_PSRAM_BASE + i));
+        printf("addr = 0x%08X, val = 0x%08X\r\n", (BFLB_PSRAM_BASE + i), *((volatile uint32_t *)(BFLB_PSRAM_BASE + i)));
 
         if (i / 4 != val) {
             printf("psram check fail\r\n");
@@ -38,12 +30,12 @@ void test16(void)
     printf("============= check uint16_t ==============\r\n");
 
     for (i = 0; i < 256; i += 2) {
-        *((volatile uint16_t *)(BSP_PSRAM_BASE + i)) = i / 2;
+        *((volatile uint16_t *)(BFLB_PSRAM_BASE + i)) = i / 2;
     }
 
     for (i = 0; i < 256; i += 2) {
-        val = *((volatile uint16_t *)(BSP_PSRAM_BASE + i));
-        printf("addr = 0x%08X, val = 0x%08X\r\n", (BSP_PSRAM_BASE + i), *((volatile uint16_t *)(BSP_PSRAM_BASE + i)));
+        val = *((volatile uint16_t *)(BFLB_PSRAM_BASE + i));
+        printf("addr = 0x%08X, val = 0x%08X\r\n", (BFLB_PSRAM_BASE + i), *((volatile uint16_t *)(BFLB_PSRAM_BASE + i)));
 
         if (i / 2 != val) {
             printf("psram check fail\r\n");
@@ -61,12 +53,12 @@ void test8(void)
     printf("============= check uint8_t ==============\r\n");
 
     for (i = 0; i < 256; i++) {
-        *((volatile uint8_t *)(BSP_PSRAM_BASE + i)) = i;
+        *((volatile uint8_t *)(BFLB_PSRAM_BASE + i)) = i;
     }
 
     for (i = 0; i < 256; i++) {
-        val = *((volatile uint8_t *)(BSP_PSRAM_BASE + i));
-        printf("addr = 0x%08X, val = 0x%08X\r\n", (BSP_PSRAM_BASE + i), *((volatile uint8_t *)(BSP_PSRAM_BASE + i)));
+        val = *((volatile uint8_t *)(BFLB_PSRAM_BASE + i));
+        printf("addr = 0x%08X, val = 0x%08X\r\n", (BFLB_PSRAM_BASE + i), *((volatile uint8_t *)(BFLB_PSRAM_BASE + i)));
 
         if ((uint8_t)i != val) {
             printf("psram check fail\r\n");
diff --git a/examples/peripherals/spi/spi_int/main.c b/examples/peripherals/spi/spi_int/main.c
index 868bdb51..b62ea20f 100644
--- a/examples/peripherals/spi/spi_int/main.c
+++ b/examples/peripherals/spi/spi_int/main.c
@@ -132,6 +132,12 @@ void spi_isr(int irq, void *arg)
         //printf("tc done\r\n");
         spi_tc_done_count++;
     }
+    if (intstatus & SPI_INTSTS_TX_FIFO) {
+        //printf("tx fifo\r\n");
+    }
+    if (intstatus & SPI_INTSTS_RX_FIFO) {
+        //printf("rx fifo\r\n");
+    }
 }
 
 int main(void)
@@ -140,10 +146,11 @@ int main(void)
     board_spi0_gpio_init();
 
     struct bflb_spi_config_s spi_cfg = {
-        .freq = 20 * 1000 * 1000,
 #if (SPI_CASE_SELECT == SPI_MASTER_CASE)
+        .freq = 1 * 1000 * 1000,
         .role = SPI_ROLE_MASTER,
 #else
+        .freq = 32 * 1000 * 1000,
         .role = SPI_ROLE_SLAVE,
 #endif
         .mode = SPI_MODE3,
@@ -157,6 +164,8 @@ int main(void)
     spi0 = bflb_device_get_by_name("spi0");
     bflb_spi_init(spi0, &spi_cfg);
 
+    // bflb_spi_txint_mask(spi0, false);
+    // bflb_spi_rxint_mask(spi0, false);
     bflb_spi_tcint_mask(spi0, false);
     bflb_irq_attach(spi0->irq_num, spi_isr, NULL);
     bflb_irq_enable(spi0->irq_num);
@@ -169,21 +178,27 @@ int main(void)
     } else {
         printf("poll send 8-bit test success!\r\n");
     }
-
+#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
+    bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
+#endif
     printf("\r\n************** spi poll send 16-bit test **************\r\n");
     if (bflb_spi_poll_test(SPI_DATA_WIDTH_16BIT) < 0) {
         printf("poll send 16-bit test error!!!\r\n");
     } else {
         printf("poll send 16-bit test success!\r\n");
     }
-
+#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
+    bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
+#endif
     printf("\r\n************** spi poll send 24-bit test **************\r\n");
     if (bflb_spi_poll_test(SPI_DATA_WIDTH_24BIT) < 0) {
         printf("poll send 24-bit test error!!!\r\n");
     } else {
         printf("poll send 24-bit test success!\r\n");
     }
-
+#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
+    bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
+#endif
     printf("\r\n************** spi poll send 32-bit test **************\r\n");
     if (bflb_spi_poll_test(SPI_DATA_WIDTH_32BIT) < 0) {
         printf("poll send 32-bit test error!!!\r\n");
@@ -191,7 +206,9 @@ int main(void)
         printf("poll send 32-bit test success!\r\n");
     }
 
-    bflb_mtimer_delay_ms(10);
+#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
+    bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
+#endif
 
     printf("\r\n************** spi poll exchange 8-bit test **************\r\n");
 
@@ -200,21 +217,27 @@ int main(void)
     } else {
         printf("poll exchange 8-bit test success!\r\n");
     }
-
+#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
+    bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
+#endif
     printf("\r\n************** spi poll exchange 16-bit test **************\r\n");
     if (bflb_spi_poll_exchange_test(SPI_DATA_WIDTH_16BIT) < 0) {
         printf("poll exchange 16-bit test error!!!\r\n");
     } else {
         printf("poll exchange 16-bit test success!\r\n");
     }
-
+#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
+    bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
+#endif
     printf("\r\n************** spi poll exchange 24-bit test **************\r\n");
     if (bflb_spi_poll_exchange_test(SPI_DATA_WIDTH_24BIT) < 0) {
         printf("poll exchange 24-bit test error!!!\r\n");
     } else {
         printf("poll exchange 24-bit test success!\r\n");
     }
-
+#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
+    bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
+#endif
     printf("\r\n************** spi poll exchange 32-bit test **************\r\n");
     if (bflb_spi_poll_exchange_test(SPI_DATA_WIDTH_32BIT) < 0) {
         printf("poll exchange 32-bit test error!!!\r\n");
@@ -222,16 +245,22 @@ int main(void)
         printf("poll exchange 32-bit test success!\r\n");
     }
 
-    bflb_mtimer_delay_ms(10);
+#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
+    bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
+#endif
 
     printf("\r\n************** spi poll exchange only send 32-bit test **************\r\n");
     bflb_spi_poll_exchange(spi0, tx_buff, NULL, BUFF_LEN);
     printf("poll exchange 32-bit only send test end!\r\n");
-
+#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
+    bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
+#endif
     printf("\r\n************** spi poll exchange only receive 32-bit test **************\r\n");
     bflb_spi_poll_exchange(spi0, NULL, rx_buff, BUFF_LEN);
     printf("poll exchange 32-bit only receive test end!\r\n");
-
+#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
+    bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
+#endif
     printf("\r\n************** spi poll exchange spare time clock 32-bit test **************\r\n");
     bflb_spi_poll_exchange(spi0, NULL, NULL, BUFF_LEN);
     printf("poll exchange 32-bit spare time clock test end!\r\n");
diff --git a/examples/peripherals/uart/uart_ir/main.c b/examples/peripherals/uart/uart_ir/main.c
index 9dff06db..23f549f3 100644
--- a/examples/peripherals/uart/uart_ir/main.c
+++ b/examples/peripherals/uart/uart_ir/main.c
@@ -12,7 +12,7 @@ int main(void)
     board_init();
     board_uartx_gpio_init();
 
-    uartx = bflb_device_get_by_name("uartx");
+    uartx = bflb_device_get_by_name(DEFAULT_TEST_UART);
 
     for (uint8_t i = 0; i < 128; i++) {
         uart_txbuf[i] = i;