NIM_DSP6748/led_test.c

#include "hw_types.h"
#include "hw_syscfg0_C6748.h"       // 系统配置模块寄存器
#include "soc_C6748.h"
#include "psc.h"
#include "gpio.h"
#include "hal/nim_gpio.h"

void PSCInit(void);
void GPIOBankPinMuxSet();
void GPIOBankPinInit(void);
void Delay(unsigned int n);

void LedTest()
{
    //PSCInit();
    GPIOBankPinMuxSet();
    GPIOBankPinInit();
    for(; ;)
    {
        Delay(0x00FFFFFF);
        GPIOPinWrite(SOC_GPIO_0_REGS, 17, GPIO_PIN_LOW);
        Delay(0x00FFFFFF);
        GPIOPinWrite(SOC_GPIO_0_REGS, 17, GPIO_PIN_HIGH);

        Delay(0x00FFFFFF);
        GPIOPinWrite(SOC_GPIO_0_REGS, 18, GPIO_PIN_LOW);
        Delay(0x00FFFFFF);
        GPIOPinWrite(SOC_GPIO_0_REGS, 18, GPIO_PIN_HIGH);

        Delay(0x00FFFFFF);
        GPIOPinWrite(SOC_GPIO_0_REGS, 19, GPIO_PIN_LOW);
        Delay(0x00FFFFFF);
        GPIOPinWrite(SOC_GPIO_0_REGS, 19, GPIO_PIN_HIGH);

        Delay(0x00FFFFFF);
        GPIOPinWrite(SOC_GPIO_0_REGS, 20, GPIO_PIN_LOW);
        Delay(0x00FFFFFF);
        GPIOPinWrite(SOC_GPIO_0_REGS, 20, GPIO_PIN_HIGH);
    }

}

void PSCInit(void)
{
    // 使能 GPIO 模块
    // 对相应外设模块的使能也可以在 BootLoader 中完成
    //PSCModuleControl(SOC_PSC_1_REGS, HW_PSC_GPIO, PSC_POWERDOMAIN_ALWAYS_ON, PSC_MDCTL_NEXT_ENABLE);
}

void GPIOBankPinMuxSet()
{
    GOIOBank1Pin0MuxMuxSetup();
    GOIOBank1Pin1MuxMuxSetup();
    GOIOBank1Pin2MuxMuxSetup();
    GOIOBank1Pin3MuxMuxSetup();
}

void GPIOBankPinInit(void)
{
    GPIODirModeSet(SOC_GPIO_0_REGS, 17, GPIO_DIR_OUTPUT);    // D7  GPIO1[0]
    GPIODirModeSet(SOC_GPIO_0_REGS, 18, GPIO_DIR_OUTPUT);    // D7  GPIO1[1]
    GPIODirModeSet(SOC_GPIO_0_REGS, 19, GPIO_DIR_OUTPUT);    // D7  GPIO1[2]
    GPIODirModeSet(SOC_GPIO_0_REGS, 20, GPIO_DIR_OUTPUT);    // D7  GPIO1[3]
}

void Delay(unsigned int n)
{
    unsigned int i;

    for(i=n;i>0;i--);
}