TI工程师们,请问下CC2540通过DMA的方式写flash前需要先映射到XDATA区吗?
da qin zheng sheng:
不需要!
Tao Hong:
回复 da qin zheng sheng:
uint16 addr = (offset >> 2) + ((uint16)pg << 9);那这里的offest跟pg为什么要除以4呢?
Viki Shi:
需要映射到XDATA The DMA controller controls data transfers over the entire address range in XDATA memory space