diff options
| -rw-r--r-- | examples/test-fsmc.cpp | 10 | ||||
| -rw-r--r-- | 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) |