Reverting commits between `git merge-head master refactor` and master.

This is a combination of 11 revert commits, and allows for a clean
merge of the work done in the refactor branch.

The combined commit messages follow.

Revert "Committing basic ring_buffer test."

This reverts commit 987fa5f433e0cd41b1621dad8b4e331cf82d49f3.

Revert "qa-slave-shield.cpp and test-session.cpp fixes for Mini and RET6 Edition."

This reverts commit cdd367bdd264c9e19180032c119850fbba2115ba.

Revert "Brought examples/ up to date; PIN_MAP bugfix for D24."

This reverts commit b4c2d4514c6d52cac8a649c5d5c24b68a3c0a416.

Revert "Separated GPIO config to a separate FSMC routine."

This reverts commit 744848ad0fc33eed66acc44e41c3c9d646c5b100.

Revert "Slightly faster RAM writes (6.5MHz)."

This reverts commit 8ba0b6bb065acb4aff26bc9c838de5f37515caf1.

Revert "FSMC working but slow (~6 MHz)."

This reverts commit 0dc9490cf4f4f10a23b08fef1728773f10c1b76a.

Revert "Maple Mini ERROR_LED_PIN fix."

This reverts commit 07d437706840901db1e09ff0ab88229c67c1fa8a.

Revert "Fixing USBSerial::read(void*, uint32) return value (thanks, Crenn!)"

This reverts commit 3ba7196712a5bfe4fe1166b6c34d49c3d7254568.

Revert "Trivial gpio_init() bugfix"

This reverts commit f6ce003bb935f26eeefa54acf7c2ae6afaabd871.

Revert "Trivial changes to test-session.cpp"

This reverts commit a32a37b121ac7e62660d2a83fe67c857fe705122.

Revert ".gitignore: Ignore cscope* files"

This reverts commit d8c72c17bd6d7416a0846e69f4f5ae5cb229d58e.

1 files changed, 22 insertions, 42 deletions

diff --git a/examples/qa-slave-shield.cpp b/examples/qa-slave-shield.cpp
index fc33a4a..b395cca 100644
--- a/examples/qa-slave-shield.cpp
+++ b/examples/qa-slave-shield.cpp
@@ -1,70 +1,50 @@
-// Slave mode for QA shield
+// slave mode for QA shield
 
 #include "wirish.h"
 
-#define LED_PIN BOARD_LED_PIN
+#define LED_PIN 13
+#define NUM_GPIO 38 // not the number of the max...
 
-#if defined(BOARD_maple) || defined(BOARD_maple_RET6)
-const uint8 pins_to_skip[] = {LED_PIN};
+int i;
 
-#elif defined(BOARD_maple_mini)
-#define USB_DP 23
-#define USB_DM 24
-const uint8 pins_to_skip[] = {LED_PIN, USB_DP, USB_DM};
-
-#elif defined(BOARD_maple_native)
-const uint8 pins_to_skip[] = {LED_PIN};
-
-#else
-#error "Board type has not been selected correctly."
-#endif
-
-bool skip_pin_p(uint8 pin);
-
-void setup() {
+void setup()
+{
     /* Set up the LED to blink  */
     pinMode(LED_PIN, OUTPUT);
+    digitalWrite(LED_PIN, 1);
 
-    for(int i = 0; i < NR_GPIO_PINS; i++) {
-        if (skip_pin_p(i)) {
-            continue;
-        }
+    for(i=0; i<NUM_GPIO; i++) {
+        if(i==13) { continue; }
         pinMode(i, OUTPUT);
-        digitalWrite(i, LOW);
+        digitalWrite(i,0);
     }
+    //delay(5000);
     SerialUSB.println("OK, starting...");
+
 }
 
 void loop() {
-    toggleLED();
+    digitalWrite(LED_PIN,1);
     delay(100);
+    digitalWrite(LED_PIN,0);
 
-    for(int i = 0; i < NR_GPIO_PINS; i++) {
-        if (skip_pin_p(i)) {
-            continue;
-        }
-        togglePin(i);
+    for(i=0; i<NUM_GPIO; i++) {
+        if(i==13) { continue; }
+        digitalWrite(i,1);
         delay(5);
-        togglePin(i);
+        digitalWrite(i,0);
         delay(5);
     }
 }
 
-bool skip_pin_p(uint8 pin) {
-    for (uint8 i = 0; i < sizeof(pins_to_skip); i++) {
-        if (pin == pins_to_skip[i])
-            return true;
-    }
-    return false;
-}
-
 // Force init to be called *first*, i.e. before static object allocation.
-// Otherwise, statically allocated objects that need libmaple may fail.
-__attribute__((constructor)) void premain() {
+// Otherwise, statically allocated object that need libmaple may fail.
+ __attribute__(( constructor )) void premain() {
     init();
 }
 
-int main(void) {
+int main(void)
+{
     setup();
 
     while (1) {