27 lines
940 B
Markdown
27 lines
940 B
Markdown
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# openHAL - screen
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和driver中lcd驱动的差异说明：
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* openhal中的驱动更新频率高，功能接口丰富
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* openhal前期直接调用现有接口，后期优化直接配置相应寄存器
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| screen | param1 | param2 | param3 | return | brief |
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| ------- | ------ | ------ | ------ | ------ | ----- |
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| api_lcd_startup | √ | - | - | - | 上电初始化
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| api_lcd_query | index | - | - | enum | 传输状态查询
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| api_lcd_create | index | cfg | dma cb | handle | 创建设备端口
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| api_lcd_open | handle | register | lspi cb | usrId | 申请接口
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| api_lcd_apply | usrId | | - | 申请接口
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| api_lcd_ioctl | | | | 传输接口
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| api_lcd_pmctl | | | | 功耗模式
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| api_lcd_close | usrId | | enum | 关闭接口
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| api_lcd_delete | usrId | | enum | 删除接口
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| api_test_lcd | usrId | | | 测试接口
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* api_lcd_default可同步修改api_lcd_startup的数据
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