5 Commits

Author	SHA1	Message	Date
Meco Man	f58d3c5200	rt_device_write/read return data type as rt_ssize_t ... rt_ssize_t can give negative error code, which follows the unix style correctly	2023-02-07 21:43:57 -05:00
sheltonyu	c8106bc19b	add support f421/f425	2023-02-01 11:30:56 +08:00
sheltonyu	a64750ebed	[bsp/at32] 1.407/437 uart2 pins change to pd5/pd6. 2.uart and spi drivers suppor… (#6695) ... * 1.407/437 uart2 pins change to pd5/pd6. 2.uart and spi drivers support dma * [bsp/at32] remove #ifndef	2022-12-06 22:13:25 -05:00
sheltonyu	1d77744a37	optimize emac and usart driver code	2022-10-16 17:56:50 -04:00
sheltonyu	d466bd0540	[bsp/at32] 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	2022-05-19 15:00:03 +08:00