Improve the read/write speed of SD without DMA

2019-11-11 21:39:22 +08:00 · 2019-11-11 21:39:22 +08:00 · 9ed4e8604c
parent 2eee33c274
commit 9ed4e8604c
1 changed files with 1 additions and 1 deletions
--- a/lib/bsp/device/spi.cpp
+++ b/lib/bsp/device/spi.cpp
@ -30,7 +30,7 @@

 using namespace sys;

-#define SPI_TRANSMISSION_THRESHOLD  0x0UL
+#define SPI_TRANSMISSION_THRESHOLD  0x800UL
 #define SPI_DMA_BLOCK_TIME          1000UL

 /* SPI Controller */