Slightly faster RAM writes (6.5MHz).

2 files changed, 3 insertions, 1 deletions

diff --git a/examples/test-fsmc.cpp b/examples/test-fsmc.cpp
index ff55330..d1c8567 100644
--- a/examples/test-fsmc.cpp
+++ b/examples/test-fsmc.cpp
@@ -49,6 +49,7 @@ void test_all_addresses() {
     uint16 count = 0;

     uint16 *ptr;

     Serial1.println("Now writing all memory addresses (unrolled loop)");

+    SerialUSB.end();

     start = micros();

     for (ptr = ptr_start; ptr < ptr_end;) {

         *ptr++ = count++;

@@ -69,6 +70,7 @@ void test_all_addresses() {
         *ptr++ = count++;

     }

     end = micros();

+    SerialUSB.begin();

     Serial1.print("Done. Elapsed time (us): ");

     Serial1.println(end - start);

 

diff --git a/libmaple/fsmc.c b/libmaple/fsmc.c
index 61fd06c..42e0eb1 100644
--- a/libmaple/fsmc.c
+++ b/libmaple/fsmc.c
@@ -99,7 +99,7 @@ void fsmc_native_sram_init(void) {
 
     /* FIXME replace with macros from fsmc.h */
     bank->BCR = (1 << 12) | (1 << 4) | 1;
-    bank->BTR = (0xF << 16) | (0x3 << 8) | 1;
+    bank->BTR = (3 << 8);
 
     /* (FSMC_BWTR3 not used for this simple configuration.) */
 }