FSMC tweaks

2 files changed, 5 insertions, 8 deletions

diff --git a/examples/test-fsmc.cpp b/examples/test-fsmc.cpp
index 6449cfd..f4fd068 100644
--- a/examples/test-fsmc.cpp
+++ b/examples/test-fsmc.cpp
@@ -1,8 +1,6 @@
 

 #include "wirish.h"

 #include "fsmc.h"

-#include "rcc.h"

-#include "gpio.h"

 

 #define LED_PIN  23 // hack for maple native

 #define DISC_PIN 14 // hack for USB on native

@@ -40,8 +38,6 @@ void setup() {
    uint32 id;

    scb = (SCB_Reg*)SCB_BASE;

 

-   rcc_enable_clk_fsmc();

-

    pinMode(LED_PIN, OUTPUT);

    pinMode(DISC_PIN, OUTPUT);

    digitalWrite(DISC_PIN,1);

@@ -96,13 +92,11 @@ void loop() {
    toggle ^= 1;

    delay(1);

 

-   ptr = (uint16*)(0x60000000);

-   count = 0;

-   for(int i = 0; i<1024; i++) {

+   for(int i = 0; i<100; i++) {   // modify this to speed things up

         count++;

         ptr++;

-        *ptr = (0x0000FFFF & count);

         //delay(10);    // tweak this to test SRAM resiliance over time

+        *ptr = (0x0000FFFF & count);

         if(*ptr != (0x0000FFFF & count)) {

                 Serial1.println("ERROR: mismatch, halting");

                 while(1) { }

diff --git a/libmaple/fsmc.c b/libmaple/fsmc.c
index 4e25ef6..a8df2e1 100644
--- a/libmaple/fsmc.c
+++ b/libmaple/fsmc.c
@@ -88,6 +88,9 @@ void fsmc_native_sram_init(void) {
 
     gpio_set_mode(GPIOE_BASE,  0, MODE_AF_OUTPUT_PP);   // NBL0
     gpio_set_mode(GPIOE_BASE,  1, MODE_AF_OUTPUT_PP);   // NBL1
+    
+    // Next enable the clock
+    rcc_enable_clk_fsmc();
 
     // Then we configure channel 1 the FSMC SRAM peripheral
     // (all SRAM channels are in "Bank 1" of the FSMC)