From 2826bbb424f15d61c5ef917dcfd5444e7e607b56 Mon Sep 17 00:00:00 2001
From: iperry <iperry@749a229e-a60e-11de-b98f-4500b42dc123>
Date: Sun, 17 Jan 2010 02:57:17 +0000
Subject: Enabled 39 GPIOs for digitalWrite(), fixed timer/usart collisions on
 PWM/USART pins

git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@120 749a229e-a60e-11de-b98f-4500b42dc123
---
 README.txt                  | 10 ++++++++++
 src/lib/timers.c            |  1 +
 src/main.cpp                | 24 +++---------------------
 src/wiring/wiring.h         |  2 +-
 src/wiring/wiring_digital.c | 37 +++++++++++++++++++++++++++----------
 5 files changed, 42 insertions(+), 32 deletions(-)

diff --git a/README.txt b/README.txt
index 17f813e..60f7a41 100644
--- a/README.txt
+++ b/README.txt
@@ -7,6 +7,10 @@
  * D15 is mapped to pin number 38. This is to retain compatiblity with the
  * Arduino API, where digitalWrite() on pins 14-19 map to analog A0-A5
  *
+ * TODO:
+ * Enable all GPIOs for digitalWrite(), analogRead(), digitalRead(),
+ * Enable all three USARTs
+ * Documentation
  *
  * TODO:
  * Using OSC32_IN/OSC32_OUT pins as GPIO ports PC14/PC15 152/995
@@ -29,6 +33,12 @@
  * PD0                    OSC_IN
  * PD1                    OSC_OUT
  *
+
+ * silkscreen changes:
+ * check labels
+ * add revision number
+ *
+ *
  * */
 /* Pin           STM32 PIN   ADC     Timer          I2C        UART        SPI          F/T
  * D0/A6         PA3         ADC3    TIM2_CH4       -          USART2_RX   -            -
diff --git a/src/lib/timers.c b/src/lib/timers.c
index 1e95f41..773ae36 100644
--- a/src/lib/timers.c
+++ b/src/lib/timers.c
@@ -150,6 +150,7 @@ void timers_disable(void) {
     for (i = 0; i < 4; i++) {
         timer = timers[i];
         timer->CR1 = 0;
+        timer->CCER = 0;
     }
 }
 
diff --git a/src/main.cpp b/src/main.cpp
index 78cdf13..78b0f89 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -4,34 +4,16 @@
 #include "HardwareUsb.h"
 #include "usb.h"
 
-HardwareUsb USB;
-
 int ledPin = 13;
 void setup() {
-    pinMode(ledPin,OUTPUT);
-//    Serial2.begin(9600);
-    Serial3.begin(9600);
-    Serial3.println("hello");
+    pinMode(ledPin, OUTPUT);
 }
 
-volatile int toggle = 1;
-
-char c;
+int toggle = 1;
 void loop() {
     digitalWrite(ledPin, toggle);
     toggle ^= 1;
-    delay(500);
-//    USB.print(millis());
-//    Serial3.println("hello");
-//    USB.println("\r");
-//    Serial2.print(millis(), DEC);
-//    Serial2.print(": ");
-//    Serial2.print(USB.available(), DEC);
-//    Serial2.println();
-    if (Serial3.available()){
-        c = Serial3.read();
-        Serial3.print(c);
-    }
+    delay(100);
 }
 
 int main(void) {
diff --git a/src/wiring/wiring.h b/src/wiring/wiring.h
index 2a33b75..5333464 100644
--- a/src/wiring/wiring.h
+++ b/src/wiring/wiring.h
@@ -16,7 +16,7 @@ extern "C"{
 
 
 #define MAPLE 1
-#define NR_MAPLE_PINS   14 // temporary
+#define NR_MAPLE_PINS   39 // temporary
 
 #define HIGH 0x1
 #define LOW  0x0
diff --git a/src/wiring/wiring_digital.c b/src/wiring/wiring_digital.c
index 456f5da..71be17b 100644
--- a/src/wiring/wiring_digital.c
+++ b/src/wiring/wiring_digital.c
@@ -58,15 +58,33 @@ static const PinGPIOMapping PIN_TO_GPIO[NR_MAPLE_PINS] = {
     {GPIOA_BASE,  7},                          // D11/PA7
     {GPIOA_BASE,  6},                          // D12/PA6
     {GPIOA_BASE,  5},                          // D13/PA5
-/* for later  */
-#if 0
-    {GPIOC_BASE,  0},                          // D14/A0/PC0
-    {GPIOC_BASE,  1},                          // D15/A1/PC1
-    {GPIOC_BASE,  2},                          // D16/A2/PC2
-    {GPIOC_BASE,  3},                          // D17/A3/PC3
-    {GPIOC_BASE,  4},                          // D18/A4/PC4
-    {GPIOC_BASE,  5},                          // D19/A5/PC5
-#endif
+    {GPIOB_BASE,  8},                          // D14/PB8
+    /* Little header  */
+    {GPIOC_BASE,  0},                          // D15/PC0
+    {GPIOC_BASE,  1},                          // D16/PC1
+    {GPIOC_BASE,  2},                          // D17/PC2
+    {GPIOC_BASE,  3},                          // D18/PC3
+    {GPIOC_BASE,  4},                          // D19/PC4
+    {GPIOC_BASE,  5},                          // D20/PC5
+    /* External header  */
+    {GPIOC_BASE, 13},                          // D21/PC13
+    {GPIOC_BASE, 14},                          // D22/PC14
+    {GPIOC_BASE, 15},                          // D23/PC15
+    {GPIOB_BASE,  9},                          // D24/PB9
+    {GPIOD_BASE,  2},                          // D25/PD2
+    {GPIOC_BASE, 10},                          // D26/PC10
+    {GPIOB_BASE,  0},                          // D27/PB0
+    {GPIOB_BASE,  1},                          // D28/PB1
+    {GPIOB_BASE, 10},                          // D29/PB10
+    {GPIOB_BASE, 11},                          // D30/PB11
+    {GPIOB_BASE, 12},                          // D31/PB12
+    {GPIOB_BASE, 13},                          // D32/PB13
+    {GPIOB_BASE, 14},                          // D33/PB14
+    {GPIOB_BASE, 15},                          // D34/PB15
+    {GPIOC_BASE,  6},                          // D35/PC6
+    {GPIOC_BASE,  7},                          // D36/PC7
+    {GPIOC_BASE,  8},                          // D37/PC8
+    {GPIOC_BASE,  9},                          // D38/PC9
 };
 
 void pinMode(uint8_t pin, WiringPinMode mode) {
@@ -97,7 +115,6 @@ void pinMode(uint8_t pin, WiringPinMode mode) {
         return;
     }
 
-
     gpio_set_mode(PIN_TO_GPIO[pin].port, PIN_TO_GPIO[pin].pin, outputMode);
 }
 
-- 
cgit v1.2.3