[ab32vg1] rewrite drv_xx.c

bsp/bluetrum/ab32vg1-ab-prougen/.config

@@ -23,6 +23,7 @@ CONFIG_IDLE_THREAD_STACK_SIZE=512
 CONFIG_RT_USING_TIMER_SOFT=y
 CONFIG_RT_TIMER_THREAD_PRIO=4
 CONFIG_RT_TIMER_THREAD_STACK_SIZE=256
+# CONFIG_RT_KSERVICE_USING_STDLIB is not set
 CONFIG_RT_DEBUG=y
 # CONFIG_RT_DEBUG_COLOR is not set
 # CONFIG_RT_DEBUG_INIT_CONFIG is not set
@@ -151,9 +152,9 @@ CONFIG_RT_USING_PIN=y
 #
 # POSIX layer and C standard library
 #
-CONFIG_RT_USING_LIBC=y
+# CONFIG_RT_USING_LIBC is not set
 # CONFIG_RT_USING_PTHREADS is not set
-# CONFIG_RT_USING_MODULE is not set
+CONFIG_RT_LIBC_USING_TIME=y
 
 #
 # Network
@@ -258,8 +259,6 @@ CONFIG_RT_USING_LIBC=y
 # CONFIG_PKG_USING_LIBRWS is not set
 # CONFIG_PKG_USING_TCPSERVER is not set
 # CONFIG_PKG_USING_PROTOBUF_C is not set
-# CONFIG_PKG_USING_ONNX_PARSER is not set
-# CONFIG_PKG_USING_ONNX_BACKEND is not set
 # CONFIG_PKG_USING_DLT645 is not set
 # CONFIG_PKG_USING_QXWZ is not set
 # CONFIG_PKG_USING_SMTP_CLIENT is not set
@@ -274,6 +273,12 @@ CONFIG_RT_USING_LIBC=y
 # CONFIG_PKG_USING_BTSTACK is not set
 # CONFIG_PKG_USING_LORAWAN_ED_STACK is not set
 # CONFIG_PKG_USING_WAYZ_IOTKIT is not set
+# CONFIG_PKG_USING_MAVLINK is not set
+# CONFIG_PKG_USING_RAPIDJSON is not set
+# CONFIG_PKG_USING_BSAL is not set
+# CONFIG_PKG_USING_AGILE_MODBUS is not set
+# CONFIG_PKG_USING_AGILE_FTP is not set
+# CONFIG_PKG_USING_EMBEDDEDPROTO is not set
 
 #
 # security packages
@@ -332,6 +337,13 @@ CONFIG_RT_USING_LIBC=y
 # CONFIG_PKG_USING_VCONSOLE is not set
 # CONFIG_PKG_USING_KDB is not set
 # CONFIG_PKG_USING_WAMR is not set
+# CONFIG_PKG_USING_MICRO_XRCE_DDS_CLIENT is not set
+# CONFIG_PKG_USING_LWLOG is not set
+# CONFIG_PKG_USING_ANV_TRACE is not set
+# CONFIG_PKG_USING_ANV_MEMLEAK is not set
+# CONFIG_PKG_USING_ANV_TESTSUIT is not set
+# CONFIG_PKG_USING_ANV_BENCH is not set
+# CONFIG_PKG_USING_DEVMEM is not set
 
 #
 # system packages
@@ -339,7 +351,6 @@ CONFIG_RT_USING_LIBC=y
 # CONFIG_PKG_USING_GUIENGINE is not set
 # CONFIG_PKG_USING_CAIRO is not set
 # CONFIG_PKG_USING_PIXMAN is not set
-# CONFIG_PKG_USING_LWEXT4 is not set
 # CONFIG_PKG_USING_PARTITION is not set
 # CONFIG_PKG_USING_FAL is not set
 # CONFIG_PKG_USING_FLASHDB is not set
@@ -349,6 +360,9 @@ CONFIG_RT_USING_LIBC=y
 # CONFIG_PKG_USING_CMSIS is not set
 # CONFIG_PKG_USING_DFS_YAFFS is not set
 # CONFIG_PKG_USING_LITTLEFS is not set
+# CONFIG_PKG_USING_DFS_JFFS2 is not set
+# CONFIG_PKG_USING_DFS_UFFS is not set
+# CONFIG_PKG_USING_LWEXT4 is not set
 # CONFIG_PKG_USING_THREAD_POOL is not set
 # CONFIG_PKG_USING_ROBOTS is not set
 # CONFIG_PKG_USING_EV is not set
@@ -370,12 +384,13 @@ CONFIG_RT_USING_LIBC=y
 # CONFIG_PKG_USING_UC_MODBUS is not set
 # CONFIG_PKG_USING_PPOOL is not set
 # CONFIG_PKG_USING_OPENAMP is not set
-# CONFIG_PKG_USING_RT_PRINTF is not set
+# CONFIG_PKG_USING_RT_KPRINTF_THREADSAFE is not set
 # CONFIG_PKG_USING_RT_MEMCPY_CM is not set
 # CONFIG_PKG_USING_QFPLIB_M0_FULL is not set
 # CONFIG_PKG_USING_QFPLIB_M0_TINY is not set
 # CONFIG_PKG_USING_QFPLIB_M3 is not set
 # CONFIG_PKG_USING_LPM is not set
+# CONFIG_PKG_USING_TLSF is not set
 
 #
 # peripheral libraries and drivers
@@ -438,6 +453,24 @@ CONFIG_RT_USING_LIBC=y
 # CONFIG_PKG_USING_VIRTUAL_SENSOR is not set
 # CONFIG_PKG_USING_VDEVICE is not set
 # CONFIG_PKG_USING_SGM706 is not set
+# CONFIG_PKG_USING_STM32WB55_SDK is not set
+# CONFIG_PKG_USING_RDA58XX is not set
+# CONFIG_PKG_USING_LIBNFC is not set
+# CONFIG_PKG_USING_MFOC is not set
+# CONFIG_PKG_USING_TMC51XX is not set
+
+#
+# AI packages
+#
+# CONFIG_PKG_USING_LIBANN is not set
+# CONFIG_PKG_USING_NNOM is not set
+# CONFIG_PKG_USING_ONNX_BACKEND is not set
+# CONFIG_PKG_USING_ONNX_PARSER is not set
+# CONFIG_PKG_USING_TENSORFLOWLITEMICRO is not set
+# CONFIG_PKG_USING_ELAPACK is not set
+# CONFIG_PKG_USING_ULAPACK is not set
+# CONFIG_PKG_USING_QUEST is not set
+# CONFIG_PKG_USING_NAXOS is not set
 
 #
 # miscellaneous packages
@@ -469,25 +502,24 @@ CONFIG_RT_USING_LIBC=y
 # CONFIG_PKG_USING_HELLO is not set
 # CONFIG_PKG_USING_VI is not set
 # CONFIG_PKG_USING_KI is not set
-# CONFIG_PKG_USING_NNOM is not set
-# CONFIG_PKG_USING_LIBANN is not set
-# CONFIG_PKG_USING_ELAPACK is not set
 # CONFIG_PKG_USING_ARMv7M_DWT is not set
 # CONFIG_PKG_USING_VT100 is not set
-# CONFIG_PKG_USING_ULAPACK is not set
 # CONFIG_PKG_USING_UKAL is not set
 # CONFIG_PKG_USING_CRCLIB is not set
 
 #
-# games: games run on RT-Thread console
+# entertainment: terminal games and other interesting software packages
 #
 # CONFIG_PKG_USING_THREES is not set
 # CONFIG_PKG_USING_2048 is not set
 # CONFIG_PKG_USING_SNAKE is not set
 # CONFIG_PKG_USING_TETRIS is not set
+# CONFIG_PKG_USING_DONUT is not set
+# CONFIG_PKG_USING_ACLOCK is not set
 # CONFIG_PKG_USING_LWGPS is not set
-# CONFIG_PKG_USING_TENSORFLOWLITEMICRO is not set
 # CONFIG_PKG_USING_STATE_MACHINE is not set
+# CONFIG_PKG_USING_MCURSES is not set
+# CONFIG_PKG_USING_COWSAY is not set
 
 #
 # Hardware Drivers Config
@@ -496,14 +528,16 @@ CONFIG_RT_USING_LIBC=y
 #
 # Onboard Peripheral Drivers
 #
-CONFIG_BSP_USING_USB_TO_USART=y
 # CONFIG_BSP_USING_AUDIO is not set
 # CONFIG_BSP_USING_SDCARD is not set
 
 #
 # On-chip Peripheral Drivers
 #
+CONFIG_BSP_USING_UART=y
 CONFIG_BSP_USING_UART0=y
+# CONFIG_BSP_USING_UART1 is not set
+# CONFIG_BSP_USING_UART2 is not set
 # CONFIG_BSP_USING_SDIO is not set
 # CONFIG_BSP_USING_I2C1 is not set
 # CONFIG_BSP_USING_PWM is not set

bsp/bluetrum/ab32vg1-ab-prougen/README.md

@@ -35,19 +35,20 @@ ab32vg1-prougen 是 中科蓝讯(Bluetrum) 推出的一款基于 RISC-V 内核
 | USB 转串口   |     支持     |                                           |
 | SD卡         |     支持     |                                           |
 | IRDA         |   即将支持   |                                           |
-| 音频接口     |     支持     |                                           |
+| 音频接口     |     支持     | 支持音频输出                              |
 | **片上外设** | **支持情况** | **备注**                                  |
 | GPIO         |     支持     | PA PB PE PF                               |
 | UART         |     支持     | UART0/1/2                                 |
 | SDIO         |     支持     |                                           |
-| ADC          |   即将支持   |                                           |
+| ADC          |     支持     | 10bit ADC                                 |
 | SPI          |   即将支持   | 软件 SPI                                  |
 | I2C          |     支持     | 软件 I2C                                  |
-| RTC          |   即将支持   |                                           |
+| RTC          |     支持     |                                           |
 | WDT          |     支持     |                                           |
-| FLASH        |   即将支持   |                                           |
+| FLASH        |   即将支持   | 对接 FAL                                  |
 | TIMER        |     支持     |                                           |
 | PWM          |     支持     | LPWM 的 G1 G2 G3 之间是互斥的，只能三选一 |
+| FM receive   |   即将支持   |                                           |
 | USB Device   |   暂不支持   |                                           |
 | USB Host     |   暂不支持   |                                           |
 
@@ -68,8 +69,6 @@ ab32vg1-prougen 是 中科蓝讯(Bluetrum) 推出的一款基于 RISC-V 内核
 
 本 BSP 为开发者提供 GCC 开发环境。下面介绍如何将系统运行起来。
 
-教学视频：https://www.bilibili.com/video/BV1RV411v75P/
-
 #### 硬件连接
 
 使用数据线连接开发板到 PC，打开电源开关。
@@ -96,11 +95,12 @@ msh >
 此 BSP 默认只开启了 GPIO 和 串口0 的功能，如果需使用 SD 卡、Flash 等更多高级功能，需要利用 ENV 工具对BSP 进行配置，步骤如下：
 
 1. 在 bsp 下打开 env 工具。
+
 2. 输入`menuconfig`命令配置工程，配置好之后保存退出。
+
 3. 输入`pkgs --update`命令更新软件包。
-4. 输入`scons` 命令重新编译工程。
 
-更多细节请参见使用指南：https://ab32vg1-example.readthedocs.io/zh/latest/introduction.html
+4. 输入`scons` 命令重新编译工程。
 
 ## 注意事项
 
@@ -110,12 +110,26 @@ msh >
 
 编译报错的时候，如果出现重复定义的报错，可能需要在 `cconfig.h` 中手动添加以下配置
 
-```
+``` c
 #define HAVE_SIGEVENT 1
 #define HAVE_SIGINFO 1
 #define HAVE_SIGVAL 1
 ```
 
+所有在中断中使用的函数或数据需要放在 RAM 中，否则会导致系统运行报错。具体做法可以参考下面
+
+``` c
+RT_SECTION(".irq.example.str")
+static const char example_info[] = "example 0x%x";
+
+RT_SECTION(".irq.example")
+void example_isr(void)
+{
+    rt_kprintf(example_info, 11);
+    ...
+}
+```
+
 ## 维护人信息
 
 - [greedyhao](https://github.com/greedyhao)

bsp/bluetrum/ab32vg1-ab-prougen/applications/main.c

@@ -8,6 +8,12 @@
  * 2020/12/10     greedyhao    The first version
  */
 
+/**
+ * Notice!
+ * All functions or data that are called during an interrupt need to be in RAM.
+ * You can do it the way exception_isr() does.
+ */
+
 #include <rtthread.h>
 #include "board.h"
 

bsp/bluetrum/ab32vg1-ab-prougen/board/Kconfig

@@ -90,16 +90,16 @@ menu "On-chip Peripheral Drivers"
             if BSP_USING_T4_PWM
                 config BSP_USING_T4_PWM1
                     bool "Enable Timer4 PWM1 (PA6)(Confit with uart0 rx)"
-                    default n
+                    default y
             endif
 
         menuconfig BSP_USING_T5_PWM
             bool "Enable Timer5 PWM"
-            default n
+            default y
             if BSP_USING_T5_PWM
                 config BSP_USING_T5_PWM0
                     bool "Enable Timer5 PWM2 (PE1)"
-                    default n
+                    default y
             endif
 
         menuconfig BSP_USING_LPWM0
@@ -109,7 +109,7 @@ menu "On-chip Peripheral Drivers"
                 comment "G1, G2 and G3 are mutually exclusive"
                 config BSP_USING_LPWM0_G1
                     bool "Enable LPWM0 G1 (PE4)"
-                    default n
+                    default y
             endif
 
         menuconfig BSP_USING_LPWM1
@@ -119,7 +119,7 @@ menu "On-chip Peripheral Drivers"
                 comment "G1, G2 and G3 are mutually exclusive"
                 config BSP_USING_LPWM1_G3
                     bool "Enable LPWM1 G3 (PA1)"
-                    default n
+                    default y
             endif
 
         menuconfig BSP_USING_LPWM2
@@ -129,7 +129,7 @@ menu "On-chip Peripheral Drivers"
                 comment "G1, G2 and G3 are mutually exclusive"
                 config BSP_USING_LPWM2_G2
                     bool "Enable LPWM2 G2 (PE0)"
-                    default n
+                    default y
                 config BSP_USING_LPWM2_G3
                     bool "Enable LPWM2 G3 (PA2)"
                     default n
@@ -148,7 +148,7 @@ menu "On-chip Peripheral Drivers"
         if BSP_USING_TIM
             config BSP_USING_TIM1
                 bool "Enable TIM1"
-                default n
+                default y
 
             config BSP_USING_TIM2
                 bool "Enable TIM2"
@@ -189,7 +189,7 @@ menu "On-chip Peripheral Drivers"
         if BSP_USING_ADC
             config BSP_USING_ADC0
                 bool "Enable ADC0"
-                default n
+                default y
         endif
 
 endmenu

bsp/bluetrum/ab32vg1-ab-prougen/board/board.c

@@ -13,10 +13,21 @@
 
 int rt_hw_usart_init(void);
 void my_printf(const char *format, ...);
+void my_print_r(const void *buf, uint16_t cnt);
 void timer0_cfg(uint32_t ticks);
 void rt_soft_isr(int vector, void *param);
 void cpu_irq_comm(void);
 void set_cpu_irq_comm(void (*irq_hook)(void));
+void load_cache();
+void sys_error_hook(uint8_t err_no);
+
+typedef void (*os_cache_setfunc_func)(void *load_cache_func, void *io_read);
+typedef void (*spiflash_init_func)(uint8_t sf_read, uint8_t dummy);
+
+#define os_cache_setfunc        ((os_cache_setfunc_func) 0x84024)
+
+static struct rt_mutex mutex_spiflash = {0};
+extern volatile rt_uint8_t rt_interrupt_nest;
 extern uint32_t __heap_start, __heap_end;
 
 void hal_printf(const char *fmt, ...)
@@ -55,6 +66,7 @@ void hal_printf(const char *fmt, ...)
     va_end(args);
 }
 
+RT_SECTION(".irq.timer")
 void timer0_isr(int vector, void *param)
 {
     rt_interrupt_enter();
@@ -132,3 +144,52 @@ void rt_hw_us_delay(rt_uint32_t us)
 {
 
 }
+
+RT_SECTION(".irq.cache")
+void cache_init(void)
+{
+    os_cache_setfunc(load_cache, NULL);
+    rt_mutex_init(&mutex_spiflash, "flash_mutex", RT_IPC_FLAG_FIFO);
+}
+
+RT_SECTION(".irq.cache")
+void os_spiflash_lock(void)
+{
+    // if (rt_thread_self()->stat == RT_THREAD_RUNNING) {
+    if ((rt_thread_self() != RT_NULL) && (rt_interrupt_nest == 0)) {
+        rt_mutex_take(&mutex_spiflash, RT_WAITING_FOREVER);
+    }
+}
+
+RT_SECTION(".irq.cache")
+void os_spiflash_unlock(void)
+{
+    // if (rt_thread_self()->stat == RT_THREAD_RUNNING) {
+    if ((rt_thread_self() != RT_NULL) && (rt_interrupt_nest == 0)) {
+        rt_mutex_release(&mutex_spiflash);
+    }
+}
+
+RT_SECTION(".irq.err.str")
+static const char stack_info[] = "thread sp=0x%x name=%s";
+
+void rt_hw_console_output(const char *str)
+{
+    my_printf(str);
+}
+
+/**
+ * @brief print exception error
+ * @note Every message needed to print, must put in .comm exction.
+ */
+RT_SECTION(".irq.err")
+void exception_isr(void)
+{
+    extern long list_thread(void);
+    sys_error_hook(1);
+
+    rt_console_set_device(RT_NULL);
+    rt_kprintf(stack_info, rt_thread_self()->sp, rt_thread_self()->name);
+
+    while(1);
+}

bsp/bluetrum/ab32vg1-ab-prougen/board/ports/audio/drv_sound.c

@@ -15,15 +15,17 @@
 
 #define SAI_AUDIO_FREQUENCY_44K         ((uint32_t)44100u)
 #define SAI_AUDIO_FREQUENCY_48K         ((uint32_t)48000u)
-#define TX_FIFO_SIZE         (1024)
+#define TX_FIFO_SIZE                    (1024)
 
 struct sound_device
 {
     struct rt_audio_device audio;
     struct rt_audio_configure replay_config;
+    rt_sem_t    semaphore;
+    rt_thread_t thread; 
     rt_uint8_t *tx_fifo;
     rt_uint8_t *rx_fifo;
-    rt_uint8_t volume;
+    rt_uint8_t  volume;
 };
 
 static struct sound_device snd_dev = {0};
@@ -105,6 +107,17 @@ void dac_start(void)
     //AUANGCON1 |= BIT(3);  // pa mute
 }
 
+RT_SECTION(".irq.audio")
+void audio_sem_post(void)
+{
+    rt_sem_release(snd_dev.semaphore);
+}
+
+void audio_sem_pend(void)
+{
+    rt_sem_take(snd_dev.semaphore, RT_WAITING_FOREVER);
+}
+
 void saia_frequency_set(uint32_t frequency)
 {
     if (frequency == SAI_AUDIO_FREQUENCY_48K) {
@@ -359,7 +372,7 @@ static rt_err_t sound_start(struct rt_audio_device *audio, int stream)
         DACVOLCON   = 0x7fff; // -60DB
         DACVOLCON  |= BIT(20);
 
-        AUBUFCON |= BIT(1) | BIT(4);
+        AUBUFCON |= BIT(1);
     }
 
     return RT_EOK;
@@ -391,7 +404,10 @@ rt_size_t sound_transmit(struct rt_audio_device *audio, const void *writeBuf, vo
     snd_dev = (struct sound_device *)audio->parent.user_data;
 
     while (tmp_size-- > 0) {
-        while(AUBUFCON & BIT(8)); // aubuf full
+        if (AUBUFCON & BIT(8)) { // aubuf full
+            AUBUFCON |= BIT(1) | BIT(4);
+            audio_sem_pend();
+        }
         AUBUFDATA = ((const uint32_t *)writeBuf)[count++];
     }
 
@@ -429,18 +445,32 @@ static struct rt_audio_ops ops =
     .buffer_info = sound_buffer_info,
 };
 
-void audio_isr(int vector, void *param)
+RT_SECTION(".irq.audio")
+static void audio_isr(int vector, void *param)
 {
     rt_interrupt_enter();
 
     //Audio buffer pend
     if (AUBUFCON & BIT(5)) {
         AUBUFCON |= BIT(1);         //Audio Buffer Pend Clear
-        rt_audio_tx_complete(&snd_dev.audio);
+        AUBUFCON &= ~BIT(4);
+        audio_sem_post();
     }
     rt_interrupt_leave();
 }
 
+static void audio_thread_entry(void *parameter)
+{
+    while (1)
+    {
+        if (snd_dev.audio.replay->activated == RT_TRUE) {
+            rt_audio_tx_complete(&snd_dev.audio);
+        } else {
+            rt_thread_mdelay(50);
+        }
+    }
+}
+
 static int rt_hw_sound_init(void)
 {
     rt_uint8_t *tx_fifo = RT_NULL;
@@ -464,6 +494,26 @@ static int rt_hw_sound_init(void)
 
     snd_dev.rx_fifo = rx_fifo;
 
+    snd_dev.semaphore = rt_sem_create("snd", 0, RT_IPC_FLAG_FIFO);
+    if (snd_dev.semaphore == RT_NULL)
+    {
+        return -RT_ENOMEM;
+    }
+
+    snd_dev.thread = rt_thread_create(
+        "audio",
+        audio_thread_entry,
+        RT_NULL,
+        1024,
+        20, // must equal or lower than tshell priority
+        5
+    );
+
+    if (snd_dev.thread != RT_NULL)
+    {
+        rt_thread_startup(snd_dev.thread);
+    }
+
     /* init default configuration */
     {
         snd_dev.replay_config.samplerate = 48000;

bsp/bluetrum/ab32vg1-ab-prougen/link.lds

@@ -3,8 +3,8 @@ __max_flash_size = 1024k;
 
 __data_ram_size = 8k;
 __stack_ram_size = 4k;
-__comm_ram_size = 83k;
-__heap_ram_size = 29k;
+__comm_ram_size = 42k;
+__heap_ram_size = 70k;
 
 __base = 0x10000000;
 
@@ -47,26 +47,43 @@ SECTIONS
         PROVIDE(__ctors_end__ = .);
 
         . = ALIGN(4);
-        *components*drivers**.o (.text*)
-        *components.o (.text*)
+        *save-restore.o (.text* .rodata*)
+        *libcpu*cpu*context_gcc.o (.text* .rodata*)
+        *libcpu*cpu*interrupt.o (.text* .rodata*)
+        *libcpu**.o (.rodata*)
+
+        *components*drivers*misc*pin.o(.text*)
+        *components*drivers*misc*adc.o(.text*)
+
+        . = ALIGN(4);
+        *src*ipc.o (.text* .rodata*)
+        *src*irq.o (.text* .rodata*)
+        *src*object.o (.text* .rodata*)
+        *src*thread.o (.text* .rodata*)
+        *src*timer.o (.text* .rodata*)
+        *src*mempool.o (.text* .rodata*)
+        *src*scheduler.o (.text* .rodata*)
+        *src*clock.o (.text* .rodata*)
+        *src*kservice.o (.text* .rodata*)
+        *src*device.o (.text* .rodata*)
+        *src*idle.o (.text* .rodata*)
+        *src*components.o (.text* .rodata*)
     } > ram1 AT > flash
 
     .comm __comm_vma : {
         . = ALIGN(4);
         KEEP(*(.vector))
-        EXCLUDE_FILE(*components*finsh**.o *components*libc**.o *dfs*filesystems**.o  
-        *romfs.o *lib_a**.o *divdi3.o *moddi3.o *divdf3.o *muldf3.o *eqtf2.o *getf2.o
-        *letf2.o *multf3.o *subtf3.o *fixtfsi.o *floatsitf.o *extenddftf2.o
-        *trunctfdf2.o *_clzsi2.o *cp-demangle.o *unwind*.o
-        *fixdfsi.o *addsf3.o *divsf3.o *eqsf2.o *gesf2.o *float*.o
-        *lesf2.o *mulsf3.o *subsf3.o *fixsfsi.o *fixunssfsi.o) *(.text)
-        *finsh*shell.o (.text*)
+        *(.irq*)
+        /*applications**.o (.text .rodata)*/
+        *hal_libraries*ab32vg1_hal**.o (.text .rodata)
         *(.text.unlikely)
         *(.text.startup)
-        EXCLUDE_FILE (*components*libc**.o *dfs*filesystems**.o *romfs.o *lib_a**.o 
-        *cp-demangle.o *divdf3.o *muldf3.o *multf3.o *unwind*.o *_clz.o) *(.rodata)
-        *(.rodata.name)
-        EXCLUDE_FILE(*lib_a**.o *cp-demangle.o *cp-demangle.o) *(.rodata.str1.4)
+        *hal_drivers**.o (.rodata)
+        *audio*drv_sound.o (.rodata)
+        *system_ab32vgx.o (.rodata)
+        EXCLUDE_FILE(*lib_a**.o *cp-demangle.o *cp-demangle.o 
+        *src*mem.o *src*memheap.o *dfs**.o *components.o *drivers*sdio**.o *cmd.o *msh_file.o
+        *drv_sdio.o *drv_wdt.o) *(.rodata.str1.4)
         EXCLUDE_FILE(*lib_a**.o *unwind*.o) *(.srodata)
         *(.rela*)
         *(.data*)
@@ -98,7 +115,6 @@ SECTIONS
     } > heap
 
     .flash : {
-        
         . = ALIGN(4);
         __fsymtab_start = .;
         KEEP(*(FSymTab))
@@ -109,6 +125,7 @@ SECTIONS
         KEEP(*(VSymTab))
         __vsymtab_end = .;
 
+        . = ALIGN(4);
         *(.text*)
         *(.rodata*)
         *(.srodata*)

bsp/bluetrum/ab32vg1-ab-prougen/rtconfig.h

@@ -86,7 +86,7 @@
 
 /* POSIX layer and C standard library */
 
-#define RT_USING_LIBC
+#define RT_LIBC_USING_TIME
 
 /* Network */
 
@@ -145,23 +145,26 @@
 /* peripheral libraries and drivers */
 
 
+/* AI packages */
+
+
 /* miscellaneous packages */
 
 
 /* samples: kernel and components samples */
 
 
-/* games: games run on RT-Thread console */
+/* entertainment: terminal games and other interesting software packages */
 
 
 /* Hardware Drivers Config */
 
 /* Onboard Peripheral Drivers */
 
-#define BSP_USING_USB_TO_USART
 
 /* On-chip Peripheral Drivers */
 
+#define BSP_USING_UART
 #define BSP_USING_UART0
 
 /* Board extended module Drivers */

bsp/bluetrum/ab32vg1-ab-prougen/rtconfig.py

@@ -15,7 +15,7 @@ if os.getenv('RTT_CC'):
 
 if  CROSS_TOOL == 'gcc':
     PLATFORM    = 'gcc'
-    EXEC_PATH   = r'D:/Softwares/RT-ThreadStudio/repo/Extract/ToolChain_Support_Packages/RISC-V/RISC-V-GCC/10.1.0/bin'
+    EXEC_PATH   = r'D:/program_files/programming/RT-ThreadStudio/repo/Extract/ToolChain_Support_Packages/RISC-V/RISC-V-GCC/10.1.0/bin'
 else:
     print('Please make sure your toolchains is GNU GCC!')
     exit(0)
@@ -39,7 +39,7 @@ if PLATFORM == 'gcc':
     OBJCPY  = PREFIX + 'objcopy'
 
     # DEVICE  = ' -mcmodel=medany -march=rv32imc -mabi=ilp32 -fsingle-precision-constant'
-    DEVICE  = ' -mcmodel=medany -march=rv32imc -mabi=ilp32'
+    DEVICE  = ' -mcmodel=medany -march=rv32imc -mabi=ilp32 -msave-restore'
     # CFLAGS  = DEVICE + ' -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields'
     CFLAGS = DEVICE + ' -D_USE_LONG_TIME_T'
     AFLAGS  = ' -c' + DEVICE + ' -x assembler-with-cpp'

bsp/bluetrum/libraries/hal_drivers/drv_hwtimer.c

@@ -68,6 +68,37 @@ static struct ab32_hwtimer ab32_hwtimer_obj[] =
 #endif
 };
 
+RT_SECTION(".irq.timer")
+static void _rt_device_hwtimer_isr(rt_hwtimer_t *timer)
+{
+    RT_ASSERT(timer != RT_NULL);
+
+    timer->overflow ++;
+
+    if (timer->cycles != 0)
+    {
+        timer->cycles --;
+    }
+
+    if (timer->cycles == 0)
+    {
+        timer->cycles = timer->reload;
+
+        if (timer->mode == HWTIMER_MODE_ONESHOT)
+        {
+            if (timer->ops->stop != RT_NULL)
+            {
+                timer->ops->stop(timer);
+            }
+        }
+
+        if (timer->parent.rx_indicate != RT_NULL)
+        {
+            timer->parent.rx_indicate(&timer->parent, sizeof(struct rt_hwtimerval));
+        }
+    }
+}
+
 static void timer_init(struct rt_hwtimer_device *timer, rt_uint32_t state)
 {
     uint32_t prescaler_value = 0;
@@ -185,25 +216,26 @@ static const struct rt_hwtimer_ops _ops =
 };
 
 #if defined(BSP_USING_TIM2) || defined(BSP_USING_TIM4) || defined(BSP_USING_TIM5)
+RT_SECTION(".irq.timer")
 void timer2_4_5_isr(int vector, void *param)
 {
     rt_interrupt_enter();
 #ifdef BSP_USING_TIM2
     if (ab32_hwtimer_obj[TIM2_INDEX].tim_handle[TMRxCON] != 0) {
         ab32_hwtimer_obj[TIM2_INDEX].tim_handle[TMRxCPND] = BIT(9);
-        rt_device_hwtimer_isr(&ab32_hwtimer_obj[TIM2_INDEX].time_device);
+        _rt_device_hwtimer_isr(&ab32_hwtimer_obj[TIM2_INDEX].time_device);
     }
 #endif
 #ifdef BSP_USING_TIM4
     if (ab32_hwtimer_obj[TIM4_INDEX].tim_handle[TMRxCON] != 0) {
         ab32_hwtimer_obj[TIM4_INDEX].tim_handle[TMRxCPND] = BIT(9);
-        rt_device_hwtimer_isr(&ab32_hwtimer_obj[TIM4_INDEX].time_device);
+        _rt_device_hwtimer_isr(&ab32_hwtimer_obj[TIM4_INDEX].time_device);
     }
 #endif
 #ifdef BSP_USING_TIM5
     if (ab32_hwtimer_obj[TIM5_INDEX].tim_handle[TMRxCON] != 0) {
         ab32_hwtimer_obj[TIM5_INDEX].tim_handle[TMRxCPND] = BIT(9);
-        rt_device_hwtimer_isr(&ab32_hwtimer_obj[TIM5_INDEX].time_device);
+        _rt_device_hwtimer_isr(&ab32_hwtimer_obj[TIM5_INDEX].time_device);
     }
 #endif
     rt_interrupt_leave();
@@ -211,21 +243,23 @@ void timer2_4_5_isr(int vector, void *param)
 #endif
 
 #ifdef BSP_USING_TIM3
+RT_SECTION(".irq.timer")
 void timer3_isr(int vector, void *param)
 {
     rt_interrupt_enter();
     ab32_hwtimer_obj[TIM3_INDEX].tim_handle[TMRxCPND] = BIT(9);
-    rt_device_hwtimer_isr(&ab32_hwtimer_obj[TIM3_INDEX].time_device);
+    _rt_device_hwtimer_isr(&ab32_hwtimer_obj[TIM3_INDEX].time_device);
     rt_interrupt_leave();
 }
 #endif
 
 #ifdef BSP_USING_TIM1
+RT_SECTION(".irq.timer")
 void timer1_isr(int vector, void *param)
 {
     rt_interrupt_enter();
     ab32_hwtimer_obj[TIM1_INDEX].tim_handle[TMRxCPND] = BIT(9);
-    rt_device_hwtimer_isr(&ab32_hwtimer_obj[TIM1_INDEX].time_device);
+    _rt_device_hwtimer_isr(&ab32_hwtimer_obj[TIM1_INDEX].time_device);
     rt_interrupt_leave();
 }
 #endif

bsp/bluetrum/libraries/hal_drivers/drv_rtc.c

@@ -253,6 +253,7 @@ static rt_err_t rt_hw_rtc_register(rt_device_t device, const char *name, rt_uint
 }
 
 #ifdef RT_USING_ALARM
+RT_SECTION(".irq.rtc")
 static void rtc_isr(int vector, void *param)
 {
     rt_interrupt_enter();

bsp/bluetrum/libraries/hal_drivers/drv_sdio.c

@@ -496,6 +496,7 @@ static rt_int32_t rthw_sd_detect(struct rt_mmcsd_host *host)
   * @param  host  rt_mmcsd_host
   * @retval None
   */
+RT_SECTION(".irq.sdio")
 void rthw_sdio_irq_process(struct rt_mmcsd_host *host)
 {
     int complete = 0;
@@ -616,6 +617,7 @@ static rt_err_t _dma_rxconfig(rt_uint32_t *dst, int Size)
     return RT_EOK;
 }
 
+RT_SECTION(".irq.sdio")
 void sdio_isr(int vector, void *param)
 {
     /* enter interrupt */

bsp/bluetrum/libraries/hal_drivers/drv_usart.c

@@ -10,6 +10,7 @@
 
 #include "board.h"
 #include "drv_usart.h"
+#include <shell.h>
 
 #ifdef RT_USING_SERIAL
 
@@ -147,6 +148,7 @@ static int ab32_putc(struct rt_serial_device *serial, char ch)
     return 1;
 }
 
+RT_SECTION(".irq.usart")
 static int ab32_getc(struct rt_serial_device *serial)
 {
     int ch;
@@ -168,6 +170,72 @@ static rt_size_t ab32_dma_transmit(struct rt_serial_device *serial, rt_uint8_t *
     return -1;
 }
 
+extern struct finsh_shell *shell;
+
+RT_SECTION(".irq.usart")
+static rt_err_t shell_rx_ind(void)
+{
+    RT_ASSERT(shell != RT_NULL);
+
+    /* release semaphore to let finsh thread rx data */
+    rt_sem_release(&shell->rx_sem);
+
+    return RT_EOK;
+}
+
+RT_SECTION(".irq.usart")
+void uart_irq_process(struct rt_serial_device *serial)
+{
+    int ch = -1;
+    rt_base_t level;
+    struct rt_serial_rx_fifo* rx_fifo;
+
+    /* interrupt mode receive */
+    rx_fifo = (struct rt_serial_rx_fifo*)serial->serial_rx;
+    RT_ASSERT(rx_fifo != RT_NULL);
+
+    while (1)
+    {
+        ch = serial->ops->getc(serial);
+        if (ch == -1) break;
+
+
+        /* disable interrupt */
+        level = rt_hw_interrupt_disable();
+
+        rx_fifo->buffer[rx_fifo->put_index] = ch;
+        rx_fifo->put_index += 1;
+        if (rx_fifo->put_index >= serial->config.bufsz) rx_fifo->put_index = 0;
+
+        /* if the next position is read index, discard this 'read char' */
+        if (rx_fifo->put_index == rx_fifo->get_index)
+        {
+            rx_fifo->get_index += 1;
+            rx_fifo->is_full = RT_TRUE;
+            if (rx_fifo->get_index >= serial->config.bufsz) rx_fifo->get_index = 0;
+
+            // _serial_check_buffer_size();
+        }
+
+        /* enable interrupt */
+        rt_hw_interrupt_enable(level);
+    }
+
+    rt_size_t rx_length;
+
+    /* get rx length */
+    level = rt_hw_interrupt_disable();
+    rx_length = (rx_fifo->put_index >= rx_fifo->get_index)? (rx_fifo->put_index - rx_fifo->get_index):
+        (serial->config.bufsz - (rx_fifo->get_index - rx_fifo->put_index));
+    rt_hw_interrupt_enable(level);
+
+    if (rx_length)
+    {
+        shell_rx_ind();
+    }
+}
+
+RT_SECTION(".irq.usart")
 static void uart_isr(int vector, void *param)
 {
     rt_interrupt_enter();
@@ -175,19 +243,19 @@ static void uart_isr(int vector, void *param)
 #ifdef BSP_USING_UART0
     if(hal_uart_getflag(UART0_BASE, UART_FLAG_RXPND))       //RX one byte finish
     {
-        rt_hw_serial_isr(&(uart_obj[UART0_INDEX].serial), RT_SERIAL_EVENT_RX_IND);
+        uart_irq_process(&(uart_obj[UART0_INDEX].serial));
     }
 #endif
 #ifdef BSP_USING_UART1
     if(hal_uart_getflag(UART1_BASE, UART_FLAG_RXPND))       //RX one byte finish
     {
-        rt_hw_serial_isr(&(uart_obj[UART1_INDEX].serial), RT_SERIAL_EVENT_RX_IND);
+        uart_irq_process(&(uart_obj[UART1_INDEX].serial));
     }
 #endif
 #ifdef BSP_USING_UART2
     if(hal_uart_getflag(UART2_BASE, UART_FLAG_RXPND))       //RX one byte finish
     {
-        rt_hw_serial_isr(&(uart_obj[UART2_INDEX].serial), RT_SERIAL_EVENT_RX_IND);
+        uart_irq_process(&(uart_obj[UART2_INDEX].serial));
     }
 #endif
 

bsp/bluetrum/libraries/hal_libraries/ab32vg1_hal/include/ab32vg1_hal_adc.h

@@ -13,22 +13,22 @@
  * @defgroup ADC_channels
  * @{
  */
-#define ADC_CHANNEL_0       (1u <<  0)
-#define ADC_CHANNEL_1       (1u <<  1)
-#define ADC_CHANNEL_2       (1u <<  2)
-#define ADC_CHANNEL_3       (1u <<  3)
-#define ADC_CHANNEL_4       (1u <<  4)
-#define ADC_CHANNEL_5       (1u <<  5)
-#define ADC_CHANNEL_6       (1u <<  6)
-#define ADC_CHANNEL_7       (1u <<  7)
-#define ADC_CHANNEL_8       (1u <<  8)
-#define ADC_CHANNEL_9       (1u <<  9)
-#define ADC_CHANNEL_10      (1u << 10)
-#define ADC_CHANNEL_11      (1u << 11)
-#define ADC_CHANNEL_12      (1u << 12)
-#define ADC_CHANNEL_13      (1u << 13)
-#define ADC_CHANNEL_14      (1u << 14)
-#define ADC_CHANNEL_15      (1u << 15)
+#define ADC_CHANNEL_0       (1u <<  0)      /* PA5  */
+#define ADC_CHANNEL_1       (1u <<  1)      /* PA6  */
+#define ADC_CHANNEL_2       (1u <<  2)      /* PA7  */
+#define ADC_CHANNEL_3       (1u <<  3)      /* PB1  */
+#define ADC_CHANNEL_4       (1u <<  4)      /* PB2  */
+#define ADC_CHANNEL_5       (1u <<  5)      /* PB3  */
+#define ADC_CHANNEL_6       (1u <<  6)      /* PB4  */
+#define ADC_CHANNEL_7       (1u <<  7)      /* PE5  */
+#define ADC_CHANNEL_8       (1u <<  8)      /* PE6  */
+#define ADC_CHANNEL_9       (1u <<  9)      /* PE7  */
+#define ADC_CHANNEL_10      (1u << 10)      /* PF2  */
+#define ADC_CHANNEL_11      (1u << 11)      /* VRTC */
+#define ADC_CHANNEL_12      (1u << 12)      /* WKO  */
+#define ADC_CHANNEL_13      (1u << 13)      /* BGOP */
+#define ADC_CHANNEL_14      (1u << 14)      /* VBAT */
+#define ADC_CHANNEL_15      (1u << 15)      /* VUSB */
 /**
  * @}
  *

bsp/bluetrum/libraries/hal_libraries/ab32vg1_hal/include/ab32vg1_hal_rtc.h

@@ -34,7 +34,7 @@ enum
 
 // RTCCPND
 #define RTC_CPND_1S                         (0x1u <<  18)    /*!< Clear RTC 1S pending              */
-#define RTC_CPND_ALM                      (0x1u <<  17)    /*!< Clear RTC alarm pendind           */
+#define RTC_CPND_ALM                        (0x1u <<  17)    /*!< Clear RTC alarm pendind           */
 
 // RTCCON0
 #define RTC_CON0_PWRUP_FIRST                (0x01u << 7)    /*!< RTC first power up flag            */

bsp/bluetrum/libraries/hal_libraries/bmsis/source/startup.S

@@ -37,20 +37,22 @@ _start:
     la      a2, __bss_size
     call    memset
 
+    call    cache_init
+
     la      a0, __comm_vma
     sw      a0, PICADR(zero)
 
     call    entry
-//    la      ra, __exception
-//    jr      ra
+    la      ra, __exception
+    jr      ra
 
 .section .vector, "ax"
-//    .org    0x10
-//__exception:
-//    li      sp, 0x10600                     //出错后，不破坏错误点的堆栈数据
-//    jal     exception_isr
-//    1: j       1b
-//    mret
+    .org    0x10
+__exception:
+    li      sp, 0x10600                     //出错后，不破坏错误点的堆栈数据
+    jal     exception_isr
+    1: j       1b
+    mret
 
     .org    0x40
     jal x0, low_prio_irq