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// ���Ź���(��ͨgpio��pwm�����õ�)��ؽӿ�
#include "ls1c_public.h"
#include "ls1c_regs.h"
#include "ls1c_gpio.h"
#include "ls1c_pin.h"
/*
* ��ָ��pin����Ϊָ����;(��ͨgpio����gpio)
* @gpio gpio���ű��
* @purpose ��;
*/
void pin_set_purpose(unsigned int gpio, pin_purpose_t purpose)
{
volatile unsigned int *gpio_cfgx; // GPIO_CFGx�Ĵ���
unsigned int pin = GPIO_GET_PIN(gpio);
gpio_cfgx = gpio_get_cfg_reg(gpio);
if (PIN_PURPOSE_GPIO == purpose) // ����������ͨgpio
{
reg_set_one_bit(gpio_cfgx, pin);
}
else // ����������������(��gpio)
{
reg_clr_one_bit(gpio_cfgx, pin);
}
return ;
}
/*
* ����ָ��pinΪ��n����
* @gpio gpio���
* @remap ��n����
*/
void pin_set_remap(unsigned int gpio, pin_remap_t remap)
{
volatile unsigned int *reg = NULL; // ���üĴ���
unsigned int port = GPIO_GET_PORT(gpio);
unsigned int pin = GPIO_GET_PIN(gpio);
switch (port)
{
case 0:
switch (remap)
{
case PIN_REMAP_FIRST:
reg = (volatile unsigned int *)LS1C_CBUS_FIRST0;
break;
case PIN_REMAP_SECOND:
reg = (volatile unsigned int *)LS1C_CBUS_SECOND0;
break;
case PIN_REMAP_THIRD:
reg = (volatile unsigned int *)LS1C_CBUS_THIRD0;
break;
case PIN_REMAP_FOURTH:
reg = (volatile unsigned int *)LS1C_CBUS_FOURTH0;
break;
case PIN_REMAP_FIFTH:
reg = (volatile unsigned int *)LS1C_CBUS_FIFTH0;
break;
}
break;
case 1:
switch (remap)
{
case PIN_REMAP_FIRST:
reg = (volatile unsigned int *)LS1C_CBUS_FIRST1;
break;
case PIN_REMAP_SECOND:
reg = (volatile unsigned int *)LS1C_CBUS_SECOND1;
break;
case PIN_REMAP_THIRD:
reg = (volatile unsigned int *)LS1C_CBUS_THIRD1;
break;
case PIN_REMAP_FOURTH:
reg = (volatile unsigned int *)LS1C_CBUS_FOURTH1;
break;
case PIN_REMAP_FIFTH:
reg = (volatile unsigned int *)LS1C_CBUS_FIFTH1;
break;
}
break;
case 2:
switch (remap)
{
case PIN_REMAP_FIRST:
reg = (volatile unsigned int *)LS1C_CBUS_FIRST2;
break;
case PIN_REMAP_SECOND:
reg = (volatile unsigned int *)LS1C_CBUS_SECOND2;
break;
case PIN_REMAP_THIRD:
reg = (volatile unsigned int *)LS1C_CBUS_THIRD2;
break;
case PIN_REMAP_FOURTH:
reg = (volatile unsigned int *)LS1C_CBUS_FOURTH2;
break;
case PIN_REMAP_FIFTH:
reg = (volatile unsigned int *)LS1C_CBUS_FIFTH2;
break;
}
break;
case 3:
switch (remap)
{
case PIN_REMAP_FIRST:
reg = (volatile unsigned int *)LS1C_CBUS_FIRST3;
break;
case PIN_REMAP_SECOND:
reg = (volatile unsigned int *)LS1C_CBUS_SECOND3;
break;
case PIN_REMAP_THIRD:
reg = (volatile unsigned int *)LS1C_CBUS_THIRD3;
break;
case PIN_REMAP_FOURTH:
reg = (volatile unsigned int *)LS1C_CBUS_FOURTH3;
break;
case PIN_REMAP_FIFTH:
reg = (volatile unsigned int *)LS1C_CBUS_FIFTH3;
break;
}
break;
default:
return ;
}
// ��1
reg_set_one_bit(reg, pin);
return ;
}
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