Форум РадиоКот

Код: Выделить всё

#define k_bit	uint64_t//64бита uint32_t-32бита uint16_t-16бита uint8_t-8бита

typedef struct{
   volatile uint32_t * port;
   k_bit            or;
} port_pin;


#define PORTA (GPIOA->ODR)
#define PORTB (GPIOB->ODR)
#define PORTC (GPIOC->ODR)


#define pn(p,b) {&PORT ## p, (1<<b)}

const port_pin pins[] = {
  pn(A,3),
  pn(A,5),
  pn(A,4),
  pn(A,1),
  pn(A,2),
  pn(A,0),
  pn(A,7),
  pn(A,8),
  pn(A,12),
  pn(A,13),
  pn(A,14),
  pn(A,15),
  pn(C,4),
  pn(C,6),
  pn(C,3),
  pn(C,5),
  pn(C,2),
  pn(C,7),
  pn(C,8),
  pn(C,12),
  pn(C,13),
  pn(C,14),
  pn(B,3),
  pn(B,5),
  pn(B,4),
  pn(B,6),
  pn(B,1),
  pn(B,2),
  pn(B,7),
  pn(B,0),
  pn(B,8),
  pn(B,9),
  pn(B,12),
  pn(B,13),
  pn(B,14)
};

const port_pin pin_ns[] = {
  pn(C,1)
};

void port_write (volatile const port_pin *p, uint8_t a, k_bit data)
{   k_bit s=1;
      for(uint8_t i=0; i<a; i++, s<<=1){
      if (data & s)
         *p->port |= p->or;
         else
            *p->port &= ~(p->or);
      p++;
   }
}

int main(void)
{

	RCC->APB2ENR |= RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN | RCC_APB2ENR_IOPCEN;

	GPIOA->CRL &= ~GPIO_CRL_CNF;
	GPIOA->CRL |= GPIO_CRL_MODE;

	GPIOA->CRH &= ~GPIO_CRH_CNF;
	GPIOA->CRH |= GPIO_CRH_MODE;

	GPIOB->CRL &= ~GPIO_CRL_CNF;
	GPIOB->CRL |= GPIO_CRL_MODE;

	GPIOB->CRH &= ~GPIO_CRH_CNF;
	GPIOB->CRH |= GPIO_CRH_MODE;

	GPIOC->CRL &= ~GPIO_CRL_CNF;
	GPIOC->CRL |= GPIO_CRL_MODE;

	GPIOC->CRH &= ~GPIO_CRH_CNF;
	GPIOC->CRH |= GPIO_CRH_MODE;

	port_write (pins, sizeof(pins)/sizeof(port_pin), 0b00100001001001000001000010000100100);
	port_write (pins, sizeof(pins)/sizeof(port_pin), 0b00100101101001001000001010010100100);
	port_write (pins, sizeof(pins)/sizeof(port_pin), 0);

	port_write (pin_ns, sizeof(pin_ns)/sizeof(port_pin), 1);
	port_write (pin_ns, sizeof(pin_ns)/sizeof(port_pin), 0);

    while(1)
    {
    }
}

Код: Выделить всё

Program Size:
      text	   data	    bss	    dec	    hex	filename
      1456	      0	   1024	   2480	    9b0	port_103.elf

Код: Выделить всё

typedef struct{
   volatile uint32_t * port;
   uint16_t            or;
} port_pin;

Код: Выделить всё

typedef struct{
   volatile uint32_t * port;
   uint16_t            or;
} port_pin;

Код: Выделить всё

typedef struct{
   volatile uint32_t * port;
   uint32_t            or;
   uint32_t            and;
} port_pin;

#define PORTA (GPIOA->BSRR)
#define PORTB (GPIOB->BSRR)
#define PORTC (GPIOC->BSRR)

#define pn(p,b) {&PORT ## p, (1<<b), (1<<(b+16))}

      if (data & s)
         *p->port |= p->or;
         else {
         *p->port |= p->and;
      	 *p->port &= ~(p->or); }