Upgrade fatfs and sdmmc driver

2019-02-28 19:04:11 +01:00
parent f718297591
commit 710ad11819
12 changed files with 2044 additions and 1364 deletions
--- a/source/fatfs/sdmmc/wait_cycles.s
+++ b/source/fatfs/sdmmc/wait_cycles.s
@@ -0,0 +1,11 @@
+.arm
+
+.section    .text.wait_cycles, "ax", %progbits
+.align      2
+.global     wait_cycles
+.type       wait_cycles, %function
+wait_cycles:
+    subs    r0, #2
+    nop
+    bgt     wait_cycles
+    bx      lr