Pin implementation is semi finished TODO : test speed() and ouputputstate() and lasty define printinfo() and error() functions implementations

bsl/csl/interfaces/pin.h

@@ -110,21 +110,21 @@ typedef enum
 	NotGpio
 }errors;
 
-void setMode(pinNo_t pinNo, mode mode);
-void setOutputState(pinNo_t pinNo, state state); 
-void setPullUpDonw(pinNo_t pinNo, pullUpDown resistance); 
-void setSpeed(pinNo_t pinNo, speed speed); 
-void config(pinNo_t pinNo, mode mode, state state, pullUpDown resistance, speed speed); 
+void pinSetMode(pinNo_t pinNo, mode mode);
+void pinSetOutputState(pinNo_t pinNo, state state); 
+void pinSetPullUpDonw(pinNo_t pinNo, pullUpDown resistance); 
+void pinSetSpeed(pinNo_t pinNo, speed speed); 
+void pinConfig(pinNo_t pinNo, mode mode, state state, pullUpDown resistance, speed speed); 
 
-uint8_t get(pinNo_t pinNo);
-void toggle(pinNo_t pinNo);
-void set(pinNo_t pinNo, uint8_t state);
+uint8_t pinRead(pinNo_t pinNo);
+void pinToggle(pinNo_t pinNo);
+void pinWrite(pinNo_t pinNo, uint8_t state);
 
-void init(pinNo_t pinNo);
-void deInit(pinNo_t pinNo);
+void pinInit(pinNo_t pinNo);
+void pinDeInit(pinNo_t pinNo);
 
-void hardwareInfo(pinNo_t pinNo);
-void throwError(); 	
+void pinHardwareInfo(pinNo_t pinNo);
+void pinThrowError(); 	
 
 #ifdef __cplusplus
 }

bsl/csl/stm32f042/Src/pin.c

@@ -13,6 +13,9 @@
 #define PUPDR_PULL_UP	0x1UL
 #define PUPDR_PULL_DOWN	0x2UL
 
+#define OTYPER_PUSH_PULL	0x0UL
+#define OTYPER_OPEN_DRAIN	0x1UL
+
 #define PIN_BASE ((GPIO_TypeDef *)(pinNo&~0xFF))
 
 const uint32_t moderMode[5] = {
@@ -36,63 +39,70 @@ const uint32_t pinPullUpDown[3] = {
 };
 
 const uint32_t speedList[4] = {
-	0,
-	0,
-	1,
-	3
+	OSPEEDR_LOW,
+	OSPEEDR_LOW,
+	OSPEEDR_MEDIUM,
+	OSPEEDR_HIGH
 };
 
 const uint32_t outputStateList[3] = 
 {
-	1,
-	0,
-	1
+	OTYPER_OPEN_DRAIN,
+	OTYPER_PUSH_PULL,
+	OTYPER_OPEN_DRAIN
 };
 
-void setMode(pinNo_t pinNo, mode mode)
+void pinSetMode(pinNo_t pinNo, mode mode)
 {
-	init(pinNo);
 	//Clear entry.
 	PIN_BASE->MODER &=~ (0x3 << ((pinNo & 0x0F) * 2));
 	//Set to corresponding mode.
 	PIN_BASE->MODER |= (moderMode[mode] << ((pinNo & 0x0F) * 2));
 }
 
-void setOutputState(pinNo_t pinNo, state state)
+void pinSetOutputState(pinNo_t pinNo, state state)
 {
 	PIN_BASE->OSPEEDR &= 1 << (pinNo & 0x0F);	
 	PIN_BASE->OSPEEDR |= (outputStateList[state] << (pinNo & 0x0F));
 }
  
-void setPullUpDonw(pinNo_t pinNo, pullUpDown resistance)
+void pinSetPullUpDonw(pinNo_t pinNo, pullUpDown resistance)
 {
     PIN_BASE->PUPDR &= ~(0x3 << ((pinNo & 0x0F) * 2));
     PIN_BASE->PUPDR |= (pinPullUpDown[resistance] << ((pinNo & 0x0F) * 2));
 }
  
-void setSpeed(pinNo_t pinNo, speed speed)
+void pinSetSpeed(pinNo_t pinNo, speed speed)
 {
 	PIN_BASE->OSPEEDR &= (0x3 << ((pinNo & 0x0F) * 2));	
 	PIN_BASE->OSPEEDR |= (speedList[speed] << ((pinNo & 0x0F) * 2));
 }
  
-void config(pinNo_t pinNo, mode mode, state state, pullUpDown resistance, speed speed)
+void pinConfig(pinNo_t pinNo, mode mode, state state, pullUpDown resistance, speed speed)
 {
-	
+	pinSetMode(pinNo, mode); 	
+	pinSetOutputState(pinNo, state); 
+	pinSetPullUpDonw(pinNo, resistance);
+	pinSetSpeed(pinNo,speed); 
+	pinInit(pinNo);	
 }
- 
 
-uint8_t get(pinNo_t pinNo)
+uint8_t pinRead(pinNo_t pinNo)
 {
-	
+	return ((PIN_BASE->IDR & (1<<(pinNo & 0x0F))) >> (pinNo & 0x0F));
 }
 
-void toggle(pinNo_t pinNo)
+void pinToggle(pinNo_t pinNo)
 {
-	
+	if(pinRead(pinNo))
+	{
+		PIN_BASE->BSRR |= (GPIO_BSRR_BR_0 << ((pinNo & 0xF)));
+		return;
+	}
+		PIN_BASE->BSRR |= (GPIO_BSRR_BS_0 << ((pinNo & 0xF)));
 }
 
-void set(pinNo_t pinNo, uint8_t state)
+void pinWrite(pinNo_t pinNo, uint8_t state)
 {
 	if(state) {
 		PIN_BASE->BSRR |= (GPIO_BSRR_BS_0 << ((pinNo & 0xF)));
@@ -102,25 +112,31 @@ void set(pinNo_t pinNo, uint8_t state)
 }
 
 //Enable the pin port's clock
-void init(pinNo_t pinNo)
+//in this family of MCU ell the cloks are on the same bus that is why we dion't need to 
+//modfify the AHBENR.
+//DS Page : 121 
+void pinInit(pinNo_t pinNo)
 {
 	RCC->AHBENR |= pinPort[((pinNo & 0xF0)>>4)];
 }
 
-void deInit(pinNo_t pinNo)
+//in this family of MCU ell the cloks are on the same bus that is why we dion't need to 
+//modfify the AHBENR.
+//DS Page : 121 
+void pinDeInit(pinNo_t pinNo)
 {
-	
+	RCC->AHBENR &=~(pinPort[((pinNo & 0xF0)>>4)]);
 }
 
 
-void hardwareInfo(pinNo_t pinNo)
+void pinHardwareInfo(pinNo_t pinNo)
 {
-	
+	//TODO : define where to print anh woh to print	
 }
 
-void throwError()
+void pinThrowError()
 {
-	
+	//TODO : Define what for an error di we whant to implement	
 }
  	
 

main.cpp

@@ -4,20 +4,38 @@
 
 int main(int argc, char *argv[])
 {
+	
 	Delay delay;
 
-	stmStart();
 	
-	setMode(pinB3,output); 
+	uint8_t i = 0; 
+
+	stmStart();
 	
-	while(1)
-	{	
-		set(pinB3,1);
+	pinConfig(pinB3, output, pushPull, none, normal);
+	pinConfig(pinA0, input, pushPull, pullDown, normal);
+
+	for(i = 0 ; i < 10 ; i++)
+	{
 		delay.ms(100); 
-		set(pinB3,0);
+		pinToggle(pinB3);
 		delay.ms(100); 
 	}
 
+	pinWrite(pinB3,0);
+
+	while(1)
+	{
+		if(pinRead(pinA0))
+		{
+			pinWrite(pinB3,1);
+		}
+		else 
+		{
+			pinWrite(pinB3,0);
+		}	
+	}
+
 	return 1;
 }