From 140de2ac1ebb4dc09a6336e20ac07c57c77fbe0b Mon Sep 17 00:00:00 2001
From: andy <1414772332@qq.com>
Date: Wed, 23 Oct 2024 09:59:28 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E6=B3=A8=E9=87=8A?=
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---
 ReadMe.txt                     |  6 +++++-
 driver/src/hal/board_info.c    |  2 +-
 driver/src/hal/vfs_uart.c      |  5 ++++-
 driver/src/hw3/board_info_hw.c |  3 ++-
 startup/misc/main.c            |  5 +++--
 startup/misc/plc/plc_main.c    | 16 ++++++++++++----
 6 files changed, 27 insertions(+), 10 deletions(-)

diff --git a/ReadMe.txt b/ReadMe.txt
index 81edc69..289da46 100644
--- a/ReadMe.txt
+++ b/ReadMe.txt
@@ -4,4 +4,8 @@
     c_cpp_properties.json 中
         "intelliSenseMode": "linux-gcc-x86",时 sizeof(long)==4
         "intelliSenseMode": "linux-gcc-x64",时 sizeof(long)==8
-    代码分析可以识别数组对齐 #pragma pack(1) 注释这个之后 sizeof 的结构体会按未1字节对齐的来计算
\ No newline at end of file
+    代码分析可以识别数组对齐 #pragma pack(1) 注释这个之后 sizeof 的结构体会按未1字节对齐的来计算
+2024.10.22
+    c_cpp_properties.json 中指定了编译器路径之后 如果此编译器不在path路径中
+    则会出现类似找不到 stdarg.h 的问题
+    指定了 riscv 的编译器之后 clear_csr write_csr 宏可以正常找到
\ No newline at end of file
diff --git a/driver/src/hal/board_info.c b/driver/src/hal/board_info.c
index 6329f3f..a24641c 100644
--- a/driver/src/hal/board_info.c
+++ b/driver/src/hal/board_info.c
@@ -602,7 +602,7 @@ void iot_board_cfg_init()
     os_mem_set(&g_board_info, 0x0, sizeof(board_info_t));
 
     iot_board_hw_version_reload();
-
+    // 从oem中加载board配置
     ret = board_load_oem_cfg();
     if(ret != ERR_OK) {
         iot_printf("Can't find pin config for board.\n");
diff --git a/driver/src/hal/vfs_uart.c b/driver/src/hal/vfs_uart.c
index a9d4f20..fbfae58 100644
--- a/driver/src/hal/vfs_uart.c
+++ b/driver/src/hal/vfs_uart.c
@@ -1129,10 +1129,12 @@ int system_uart_deinit();
 int system_uart_init()
 {
     /* Get external port num. */
+    // 外置串口数目 目前是0
     uint8_t port = iot_board_get_external_uart_port_num();
     uart_info *p_uart_info = NULL;
     int i;
 
+    // 获得串口api
     g_uart_ctrl = uart_e_ctrl;
 
     g_uart_ext_num = (int)port;
@@ -1156,10 +1158,11 @@ int system_uart_init()
     os_mem_set(g_uart_rs485_port, 0x0,
         g_uart_rs485_num * sizeof(struct uart_rs485_ctrl));
 
+    // 初始化所有串口，设置中断回调函数，除了打印串口
     if (ERR_OK != uart_onchip_port_init(p_uart_info)) {
         goto error_out;
     }
-
+    // 外置串口数量为0 这里直接返回成功
     if (ERR_OK != uart_external_port_init(g_uart_ext_num,
         p_uart_info + IOT_UART_PORT_NUM_ONCHIP)) {
         goto error_out;
diff --git a/driver/src/hw3/board_info_hw.c b/driver/src/hw3/board_info_hw.c
index 75c79d4..77b8ced 100644
--- a/driver/src/hw3/board_info_hw.c
+++ b/driver/src/hw3/board_info_hw.c
@@ -801,6 +801,7 @@ static uint8_t board_get_vc_uart_port(uint8_t type)
     return port;
 }
 
+// 根据用途来获取串口号
 uint8_t board_lookup_uart_port(uint8_t type)
 {
     uint8_t port = IOT_UART_PORT_SUPP_MAX;
@@ -811,7 +812,7 @@ uint8_t board_lookup_uart_port(uint8_t type)
     if (g_fw_mode == FTM_MODE) {
         return board_lookup_uart_port_ftm(type);
     }
-
+    // 根据不同的板子修改type类型
     type = board_lookup_uart_port_type_updata(type);
 
     for (uint8_t i = 0; i < IOT_UART_MAX_NUM_V1; i++) {
diff --git a/startup/misc/main.c b/startup/misc/main.c
index 721f794..e567db8 100644
--- a/startup/misc/main.c
+++ b/startup/misc/main.c
@@ -58,6 +58,7 @@ static void startup_ftm_init()
 #endif
 }
 
+// 初始化task 然后删除自身
 void iot_startup_init_task(void *arg)
 {
     uint8_t gpio_3v3;
@@ -130,9 +131,9 @@ uint32_t iot_plc_entry(iot_build_info_t *info)
     sbl_param_input_t param = {0};
 
     iot_system_get_fw_boot_param(&param);
-
+    // 设置app的build_info
     iot_version_set_user_build_info(info);
-
+    // 设置模块运行模式 工厂模式等
     iot_mode_set(param.fw_mode);
     mtd_set_flash_size(param.flash_size);
     mtd_set_psram_state(param.run_in_psram);
diff --git a/startup/misc/plc/plc_main.c b/startup/misc/plc/plc_main.c
index 4c62aeb..6c7873f 100644
--- a/startup/misc/plc/plc_main.c
+++ b/startup/misc/plc/plc_main.c
@@ -271,26 +271,30 @@ void iot_mode_set(int fw_mode)
 
 }
 
+// 硬件部分初始化
 void iot_hw_init()
 {
+    // 初始化efuse
     iot_efuse_init();
-
+    // 初始化时钟
     system_clock_init();
-
+    // 初始化boardid为0
     iot_board_info_init();
-
+    // 加密
     iot_crypto_init();
 
     /*resource initializations;*/
+    // 初始化flash
     mtd_device_init(0);
 
     /* init oem module load oem cfg from file */
+    // 初始化oem状态 cco还是sta
 #if (PLC_SUPPORT_CCO_ROLE)
     iot_oem_init(1);
 #else
     iot_oem_init(0);
 #endif
-
+    // 目前是空函数
     iot_cal_data_init();
 
 #if (IOT_FLASH_BUILD == 1)
@@ -308,11 +312,13 @@ void iot_hw_init()
 #endif
 
 #if (IOT_FLASH_BUILD == 1)
+    // 打印oem配置信息
     iot_board_cfg_dump();
 #endif
 
     iot_busmon_init();
     /*platform intialization*/
+    // 这里初始化cpu中断 异常处理函数 gp定时器等
     platform_init();
     /* chip id checking */
     iot_chip_id_check();
@@ -320,9 +326,11 @@ void iot_hw_init()
     iot_wdg_enable();
 }
 
+// 子系统初始化
 void iot_sub_system_init()
 {
     /* init common modules */
+    // 检查前导零数组是否正常
     iot_bitops_init();
 
     /* init os related modules and utilities */