colorchord/embeddedstm32f303/lib/systems.h

#ifndef _SYSTEMS_H
#define _SYSTEMS_H

void send_openocd_command(int command, void *message);
void send_text( const char * text );
void _delay_us(uint32_t us);


typedef uint8_t gpio;

gpio GetGPIOFromString( const char * str );


#define DEFAULT_VALUE_FLAG	0x00000001
#define DEFAULT_ON 			0x00000001
#define DEFAULT_OFF			0x00000000

#define INOUT_FLAG			0x00000002
#define INOUT_OUT 			0x00000002
#define INOUT_IN			0x00000000

#define PUPD_FLAG			0x0000000C
#define PUPD_NONE 			0x00000000
#define PUPD_UP 			0x00000004
#define PUPD_DOWN			0x00000008

void ConfigureGPIO( gpio gpio, int parameters );



#ifdef STM32F30X
#define GPIOOf(x)  ((GPIO_TypeDef *) ((((x)>>4)<=6)?(AHB2PERIPH_BASE+0x400*((x)>>4)):0x60000000) )
#elif defined( STM32F40_41xxx )
#define GPIOOf(x)  ((GPIO_TypeDef *) ((((x)>>4)<=6)?(AHB1PERIPH_BASE+0x400*((x)>>4)):0x60000000) )
#endif

#define GPIOPin(x)   ((1<<((x)&0x0f)))
#define GPIOLatch(x) GPIOOf(x)->ODR

#ifdef STM32F30X
#define GPIOOn(x)   GPIOOf(x)->BSRR  = (1<<((x)&0x0f));
#define GPIOOff(x)  GPIOOf(x)->BRR   = (1<<((x)&0x0f));
#elif defined( STM32F40_41xxx )
#define GPIOOn(x)   GPIOOf(x)->BSRRH = (1<<((x)&0x0f));
#define GPIOOff(x)  GPIOOf(x)->BSRRL = (1<<((x)&0x0f));
#endif



#ifdef STM32F30X
#define LEDPIN 0x18
#elif defined( STM32F40_41xxx )
#define LEDPIN 0x3f
#endif

void ConfigureLED();
#define LED_TOGGLE {GPIOOf(LEDPIN)->ODR^=(1<<((LEDPIN)&0x0f));}
#define LED_ON     GPIOOn(LEDPIN)
#define LED_OFF    GPIOOff(LEDPIN)


#endif