启英泰伦-三代芯片OTA¶
1. OTA功能概述¶
CI230系列芯片OTA升级功能分为语音部分升级和WIFI部分升级，升级固件可以从云端获取，也可以从本地加载通过串口进行OTA升级，语音部分升级功能同样适用于CI13系列芯片，OTA升级代码可参考启英泰伦发布的CI230系列芯片SDK:ci230x_wifi_combo_sdk_release，(如果使用第三方WIFI芯片对CI13系列芯片进行OTA，下面流程可供参考)：
2. CI230系列芯片语音端OTA¶
2.1. 升级交互流程图¶
2.2 打包工具使用说明¶
-
升级代理程序updater：ci130x_updater.bin。升级代理程序已默认使用芯片的UART1作为升级串口，若有特殊情况需要更改使用其他串口（如UART0或UART2），请联系启英泰伦技术支持！
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OTA语音固件打包升级工具：使用\tools目录下PACK_UPDATE_TOOL355_FOR_OTA.exe工具打包，打包时请注意选中对应芯片型号后，右侧固件格式选项选择“FW_V1”再打包固件，如下图所示：
2.3 WIFI端核心代码说明¶
-
CMakeList.txt（SDK/project/ci230x-wifi-sdk-combo/）文件中使能语音芯片OTA宏CIAS_AIOT_AUDIO_OTA_ENABLE以及需使用云平台的对应的宏
-
按照如下配置顺序进行OTA初始化：
cias_ota_callback_init(); //init ota callback func
cias_get_cloud_data_main(); //start firmware-get task
get_cias_ota_handle()->cias_ota_task_delay_ms(2); //delay few milliseconds
get_cias_ota_handle()->cias_net_data_struct_init(); //Download the data package structure initialization
cias_ota_get_partitions_info(); //Get partition table information
cias_ota_progress_task(); //start firamware-update task
注意：g_cias_system_manage_param.ota_start_flag = 1 为ota升级任务启动标志，升级固件准备就绪开始升级时需要将ota_start_flag置1
- 如上所述要完成升级流程，WIFI端需要实现如下三个步骤：
- 需在cias_ota_callback_init()中注册钩子函数，需要实现的接口如下所示：
typedef struct
{
/*audio升级固件获取，参数说明：1-存升级buf，2-距固件头偏移地址，3-需获取的大小*/
int (*cias_get_audio_image) (unsigned char *, unsigned int, unsigned int);
/*wifi芯片复位*/
void (*cias_wifi_device_reboot) (void);
/*audio芯片复位*/
void (*cias_audio_device_reboot) (void);
/*升级串口波特率更改*/
void (*cias_communication_rate_change) (unsigned long);
/*升级串口发送*/
int (*cias_ota_communication_send) (char *, int);
/*升级串口接收*/
int (*cias_ota_communication_recv) (char *, int);
/*延时(单位：ms)*/
void (*cias_ota_task_delay_ms) (unsigned int);
/*flash读取
@param offset Starting offset from the beginning of the flash device.
@param length Size of the portion of flash to read.
@param buffer Pointer on data to read.
@return uint8_t 0 if operation can start successfully.
*/
unsigned char (*cias_ota_flash_read) (unsigned int offset, unsigned int length, unsigned char *buffer);
/*网络通信协议等 初始化*/
void (*cias_net_portocol_init) (void);
/*ota网络端下载数据结构初始化*/
int (*cias_net_data_struct_init) (void);
/*上报升级状态到云端回调*/
uint8_t (*cias_report_ota_status_to_iot)(uint8_t);
}cias_ota_handle_t;
-
cias_get_cloud_data_main创建云端固件包获取任务，等待指令开始获取数据包。
-
延时2ms后ci_ota_progress_task()创建ota串口传输任务，在任务中初始化云端数据包结构cias_net_data_struct_init并获取云端固件分区表信息cias_ota_get_partitions_info，获取成功后进入update_ota_main()开始和audio端bootloader通信传输updater并校验，再和updater通信传输待升级固件包。
3. CI230系列芯片WIFI端OTA说明¶
3.1 使用配置¶
CMakeList.txt（SDK/project/ci230x-wifi-sdk-combo/）文件中使能wifi芯片OTA宏CIAS_AIOT_WIFI_OTA_ENABLE以及需使用云平台的对应的宏
3.2 核心代码接口说明¶
-
ota_port_init()初始化wifi端flash操作接口
-
cias_wifi_ota_callback_init()初始化函数中注册所需的回调函数：
typedef struct
{
/*从云端获取wifi升级数据*/
int (*cias_get_wifi_image_from_cloud)(unsigned char *, unsigned int, unsigned int len);
/*上报升级状态到云端回调*/
uint8_t (*cias_report_ota_status_to_iot)(uint8_t);
}cias_wifi_ota_handle_t;
-
cias_wifi_ota_main_task()创建wifi端ota主任务，等待升级任务使能（收到平台下发wifi端ota指令后，将g_cias_system_manage_param.wifi_ota_start_flag置1即使能）
-
升级任务使能后，初始化看门狗wifi_ota_watch_dog()，删除不需要运行的任务并创建cias_wifi_ota_get_cloud_data()云端固件包获取任务，延时2ms后创建cias_wifi_ota_progress_task()任务
4. CI13系列芯片离线SDK配置OTA功能指南¶
1.system/sdk_default_config.h¶
定义宏CIAS_FLASH_IMAGE_UPGRADE_ENABLE为1，使能sdk的ota功能
2.components\flash_control\flash_control_inc\ci_flash_data_info.h¶
包含sdk_default_config.h头文件，通过宏CIAS_FLASH_IMAGE_UPGRADE_ENABLE选择分区表起始地址
3.components\flash_control\flash_control_src\ci_flash_data_info.c¶
获取分区表校验和函数中，使能宏CIAS_FLASH_IMAGE_UPGRADE_ENABLE时，修改user_code2_status状态为0XF0
4.components文件夹下新建ota文件夹，如下图所示：¶
并在该文件夹下创建ci_ota_port.c和ci_ota_port.h¶
5.ci_ota_port.c¶
该文件中配置串口中断并创建接收队列和解包任务来接收复位指令
#include "ci_ota_port.h"
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
#include "ci130x_system.h"
#include "ci_log.h"
#if CIAS_FLASH_IMAGE_UPGRADE_ENABLE
volatile int irq_disable = 0;
static QueueHandle_t msg_recv_queue = NULL;
void ota_port_recv_queue_init(void)
{
msg_recv_queue = xQueueCreate(1024*2, sizeof(int8_t));
if (msg_recv_queue == NULL)
{
mprintf("msg_recv_queue create fail\r\n");
}
mprintf("msg_recv_queue create success\r\n");
}
int8_t uart_temp = 0;
void UART1_IRQHandler(void)
{
if ((OTA_CMD_PORT->UARTMIS & (1UL << UART_RXInt)) || (OTA_CMD_PORT->UARTMIS & (1UL << UART_RXTimeoutInt)))
{
while (!(OTA_CMD_PORT->UARTFlag & (0x1 << 6))) // read fifo have data
{
uart_temp= (int8_t)UartPollingReceiveData(OTA_CMD_PORT);
if(!irq_disable)
xQueueSendFromISR(msg_recv_queue, &uart_temp, pdFALSE);
}
UART_IntClear(OTA_CMD_PORT, UART_RXInt);
}
OTA_CMD_PORT->UARTICR = 0xFFF;
}
void ota_recv_cmd_task(void *parameter)
{
static int32_t recv_package_length = 0;
static int32_t read_start_flag = 0;
static int32_t curr_net_player_cache = 0;
int32_t package_length = 0;
int8_t msg_state = NET_MSG_IDE;
BaseType_t err;
cias_data_standard_head_t *data_header;
uint32_t cache_empty_num = 0;
int8_t package_data[1050] = {0};
int msg_end = 0;
while (1)
{
package_length = 0;
while(pdPASS == xQueueReceive(msg_recv_queue, &package_data[package_length], pdMS_TO_TICKS(50)))
{
package_length++;
if(msg_state == NET_MSG_IDE)
msg_state = NET_MSG_HEAD;
else if ((msg_state == NET_MSG_HEAD) && (package_length > (sizeof(cias_data_standard_head_t)-2)))
{
data_header = (cias_data_standard_head_t *)package_data;
if(data_header->magic == 0x5a5aa5a5)
msg_state = NET_MSG_DATE;
else
msg_state = NET_MSG_ERR;
}
else if(msg_state == NET_MSG_DATE && package_length > (data_header->len + sizeof(cias_data_standard_head_t) - 1))
{
data_header = (cias_data_standard_head_t *)package_data;
recv_package_length = data_header->len + sizeof(cias_data_standard_head_t);
if(data_header->type == 0x0501)
{
irq_disable = 1;
dpmu_software_reset_system_config();
}
package_length = 0;
memset(package_data,0,1050);
msg_state = NET_MSG_IDE;
}
if(msg_state == NET_MSG_ERR)
{
ci_logdebug(LOG_USER, "ci_standard_head_t error\r\n");
package_length = 0;
memset(package_data,0,1050);
msg_state = NET_MSG_IDE;
}
}
if(msg_state != NET_MSG_IDE)
{
ci_logdebug(LOG_USER, "recv data timeout error(%d)\r\n",package_length);
package_length = 0;
memset(package_data, 0, 1050);
msg_state = NET_MSG_IDE;
}
}
}
void ci_ota_init(void)
{
UARTInterruptConfig(OTA_CMD_PORT, UART_BaudRate115200);
ota_port_recv_queue_init();
xTaskCreate(ota_recv_cmd_task, "IOT_recv", 256, NULL, 4, NULL);
}
#endif//CIAS_FLASH_IMAGE_UPGRADE_ENABLE
6.ci_ota_port.h¶
#ifndef __CI_OTA_PORT_H__
#define __CI_OTA_PORT_H__
#include "sdk_default_config.h"
#include "ci130x_uart.h"
#define OTA_CMD_PORT UART1
// #define OTA_CMD_PORT 1
#if CIAS_FLASH_IMAGE_UPGRADE_ENABLE
typedef enum
{
NET_MSG_HEAD = 1,
NET_MSG_DATE = 2,
NET_MSG_ERR = 0,
NET_MSG_IDE = 3,
}wifi_communicate_state_t;
typedef struct ci_uart_standard_head
{
uint32_t magic; /*帧头 定义为0x5a5aa5a5*/
uint16_t checksum; /*校验和*/
uint16_t type; /*命令类型*/
uint16_t len; /*数据有效长度*/
uint16_t version; /*版本信息*/
uint32_t fill_data; /*填充数据，可以添加私有信息*/
}cias_data_standard_head_t;
//ota recv uart cmd init
void ci_ota_init(void);
#endif
#endif//__CI_OTA_PORT_H__
7.projects\offline_asr_sample\project_file\source_file.prj¶
添加ci_ota_port.c文件编译路径
8.projects\offline_asr_sample\src\main.c¶
通过宏CIAS_FLASH_IMAGE_UPGRADE_ENABLE选择是否包含ci_ota_port.h头文件和调用ci_ota_init()初始化
