Moved GPIO register definition into seperate header.

3 files changed, 126 insertions, 39 deletions

diff --git a/hal/gpio.h b/hal/gpio.h
new file mode 100644
index 0000000..324950e
--- /dev/null
+++ b/hal/gpio.h
@@ -0,0 +1,43 @@
+#ifndef GPIO_H
+#define GPIO_H
+
+struct GPIO_t {
+	#if defined(STM32F1)
+	volatile uint32_t CRL;
+	volatile uint32_t CRH;
+	volatile uint32_t IDR;
+	volatile uint32_t ODR;
+	volatile uint32_t BSRR;
+	volatile uint32_t BRR;
+	volatile uint32_t LCKR;
+	#elif defined(STM32F4)
+	volatile uint32_t MODER;
+	volatile uint32_t OTYPER;
+	volatile uint32_t OSPEEDER;
+	volatile uint32_t PUPDR;
+	volatile uint32_t IDR;
+	volatile uint32_t ODR;
+	volatile uint32_t BSRR;
+	volatile uint32_t LCKR;
+	volatile uint32_t AFRL;
+	volatile uint32_t AFRH;
+	#endif
+};
+
+#if defined(STM32F1)
+static GPIO_t& GPIOA = *(GPIO_t*)0x40010800;
+static GPIO_t& GPIOB = *(GPIO_t*)0x40010c00;
+static GPIO_t& GPIOC = *(GPIO_t*)0x40011000;
+#elif defined(STM32F4)
+static GPIO_t& GPIOA = *(GPIO_t*)0x40020000;
+static GPIO_t& GPIOB = *(GPIO_t*)0x40020400;
+static GPIO_t& GPIOC = *(GPIO_t*)0x40020800;
+static GPIO_t& GPIOD = *(GPIO_t*)0x40020c00;
+static GPIO_t& GPIOE = *(GPIO_t*)0x40021000;
+static GPIO_t& GPIOF = *(GPIO_t*)0x40021400;
+static GPIO_t& GPIOG = *(GPIO_t*)0x40021800;
+static GPIO_t& GPIOH = *(GPIO_t*)0x40021c00;
+static GPIO_t& GPIOI = *(GPIO_t*)0x40022000;
+#endif
+
+#endif
diff --git a/hal/stm32.h b/hal/stm32.h
index 3f39bed..c487cd4 100644
--- a/hal/stm32.h
+++ b/hal/stm32.h
@@ -273,45 +273,6 @@ static FLASH_t& FLASH = *(FLASH_t*)0x40022000;
 static FLASH_t& FLASH = *(FLASH_t*)0x40023c00;
 #endif
 
-struct GPIO_t {
-	#if defined(STM32F1)
-	volatile uint32_t CRL;
-	volatile uint32_t CRH;
-	volatile uint32_t IDR;
-	volatile uint32_t ODR;
-	volatile uint32_t BSRR;
-	volatile uint32_t BRR;
-	volatile uint32_t LCKR;
-	#elif defined(STM32F4)
-	volatile uint32_t MODER;
-	volatile uint32_t OTYPER;
-	volatile uint32_t OSPEEDER;
-	volatile uint32_t PUPDR;
-	volatile uint32_t IDR;
-	volatile uint32_t ODR;
-	volatile uint32_t BSRR;
-	volatile uint32_t LCKR;
-	volatile uint32_t AFRL;
-	volatile uint32_t AFRH;
-	#endif
-};
-
-#if defined(STM32F1)
-static GPIO_t& GPIOA = *(GPIO_t*)0x40010800;
-static GPIO_t& GPIOB = *(GPIO_t*)0x40010c00;
-static GPIO_t& GPIOC = *(GPIO_t*)0x40011000;
-#elif defined(STM32F4)
-static GPIO_t& GPIOA = *(GPIO_t*)0x40020000;
-static GPIO_t& GPIOB = *(GPIO_t*)0x40020400;
-static GPIO_t& GPIOC = *(GPIO_t*)0x40020800;
-static GPIO_t& GPIOD = *(GPIO_t*)0x40020c00;
-static GPIO_t& GPIOE = *(GPIO_t*)0x40021000;
-static GPIO_t& GPIOF = *(GPIO_t*)0x40021400;
-static GPIO_t& GPIOG = *(GPIO_t*)0x40021800;
-static GPIO_t& GPIOH = *(GPIO_t*)0x40021c00;
-static GPIO_t& GPIOI = *(GPIO_t*)0x40022000;
-#endif
-
 struct I2C_t {
 	volatile uint32_t CR1;
 	volatile uint32_t CR2;
diff --git a/pin.h b/pin.h
new file mode 100644
index 0000000..cbace79
--- /dev/null
+++ b/pin.h
@@ -0,0 +1,83 @@
+#ifndef PIN_H
+#define PIN_H
+
+#include "gpio.h"
+
+class GPIO {
+	private:
+		GPIO_t& g;
+		int n;
+	
+	public:
+		GPIO(GPIO_t& gpio, int pin) : g(gpio), n(pin) {}
+		
+		void on() {
+			g.BSRR = 1 << n;
+		}
+		
+		void off() {
+			g.BSRR = 1 << 16 << n;
+		}
+		
+		void toggle() {
+			if(g.ODR & (1 << n)) {
+				off();
+			} else {
+				on();
+			}
+		}
+};
+
+template <class... Ts>
+class Pin : public Ts... {
+	public:
+		Pin(GPIO_t& gpio, int pin) : Ts(gpio, pin)... {}
+};
+/*
+template <int n>
+struct U {
+	struct RX;
+	struct TX;
+};
+
+typedef U<1> U1;
+typedef U<2> U2;
+typedef U<3> U3;
+
+template <class P, class F>
+class AF {
+	public:
+		AF(GPIO_t& gpio, int pin) {}
+};
+
+template <int AFn, class P, class F>
+class Remap : public AF<P, F> {
+	public:
+		Remap(GPIO_t& gpio, int pin) : AF<P, F>(gpio, pin) {}
+};
+
+class Kake {
+	public:
+		template <class U>
+		Kake(AF<U, class U::RX> rxpin, AF<U, class U::TX> txpin) {}
+		
+		template <class U>
+		Kake(const U&&, AF<U, class U::RX> rxpin, AF<U, class U::TX> txpin) {}
+};
+
+static Pin<GPIO, Remap<7, U1, U1::RX>> PB6(GPIOB, 6);
+static Pin<GPIO, Remap<7, U1, U1::TX>> PB7(GPIOB, 7);
+
+static Pin<GPIO, Remap<7, U2, U2::RX>, AF<U3, U3::RX>> PB8(GPIOB, 8);
+static Pin<GPIO, Remap<7, U2, U2::TX>, AF<U3, U3::TX>> PB9(GPIOB, 9);
+*/
+
+static Pin<GPIO> PD12(GPIOD, 12);
+static Pin<GPIO> PD13(GPIOD, 13);
+static Pin<GPIO> PD14(GPIOD, 14);
+static Pin<GPIO> PD15(GPIOD, 15);
+/*
+Kake f1(PB6, PB7);
+Kake f2(PB8, PB9);
+*/
+#endif