From b2dd49c3141d8a21a4e7c7ef51dee7329f847c30 Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@robocracy.org>
Date: Sat, 7 Aug 2010 21:25:51 -0400
Subject: FSMC tweaks

---
 examples/test-fsmc.cpp | 10 ++--------
 libmaple/fsmc.c        |  3 +++
 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)
-- 
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