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path: root/bsp/at32/libraries/rt_drivers/drv_usart.c
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2023-02-07rt_device_write/read return data type as rt_ssize_tMeco Man
rt_ssize_t can give negative error code, which follows the unix style correctly
2023-02-01add support f421/f425sheltonyu
2022-12-06[bsp/at32] 1.407/437 uart2 pins change to pd5/pd6. 2.uart and spi drivers ↵sheltonyu
suppor… (#6695) * 1.407/437 uart2 pins change to pd5/pd6. 2.uart and spi drivers support dma * [bsp/at32] remove #ifndef
2022-10-16optimize emac and usart driver codesheltonyu
2022-05-19[bsp/at32] ↵sheltonyu
1、调整文件结构,合并各系列独立的rt-drivers,以便维护。 2、更新各系列library和工程相关内容