---

#include "MDR32Fx.h"
#include "core_cm3.h"
#include "MDR32F9Qx_config.h"
#include "MDR32F9Qx_rst_clk.h"
#include "MDR32F9Qx_port.h"
#include "system_MDR32F9Qx.h"

static PORT_InitTypeDef PortInit;

volatile uint32_t ms_tick = 0;

void SysTick_Handler()
{
 ms_tick++;
}
void delay_mss(uint32_t ms)
{
 uint32_t start = ms_tick;
 while ((ms_tick - start) < ms);
}

int main ()
{
 RST_CLK_PCLKcmd(RST_CLK_PCLK_PORTA, ENABLE);
 RST_CLK_PCLKcmd(RST_CLK_PCLK_PORTC, ENABLE);
 
 PortInit.PORT_OE = PORT_OE_IN;
 PortInit.PORT_FUNC = PORT_FUNC_PORT;
 PortInit.PORT_MODE = PORT_MODE_DIGITAL;
 PortInit.PORT_SPEED = PORT_SPEED_SLOW;
 PortInit.PORT_Pin = (PORT_Pin_0);
 PORT_Init(MDR_PORTC, &PortInit);
 
 PortInit.PORT_OE = PORT_OE_OUT;
 PortInit.PORT_FUNC = PORT_FUNC_PORT;
 PortInit.PORT_MODE = PORT_MODE_DIGITAL;
 PortInit.PORT_SPEED = PORT_SPEED_SLOW;
 PortInit.PORT_Pin = PORT_Pin_All;
 PORT_Init(MDR_PORTA, &PortInit); 
 
 SysTick->LOAD = (8000000/1000) - 1;
 SysTick->VAL = 0;
 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk;
 
 PORT_Write(MDR_PORTA, PORT_Pin_All);
 while(1)
 {
  for (int i=0; i<4; i++)
  {
   
   
   uint32_t mask = (1 << i ) | (1 << (7-i));
   PORT_Write(MDR_PORTA, ~mask);
   delay_mss(1000);
  }
  PORT_Write(MDR_PORTA, ~PORT_Pin_All);
  delay_mss(1000);
  PORT_Write(MDR_PORTA, PORT_Pin_All);
  delay_mss(1000);
 }
 return 0;
}