---

#include "MDR32F9Qx_config.h"
#include "MDR32Fx.h"
#include "MDR32F9Qx_port.h"
#include "MDR32F9Qx_rst_clk.h"
#include "MDR32F9Qx_uart.h"
#include "core_cm3.h"

#define LED1 PORT_Pin_0
#define LED2 PORT_Pin_1

static PORT_InitTypeDef PortInit;
static UART_InitTypeDef UART_InitStructure;

void init_leds(void)
{
    RST_CLK_PCLKcmd(RST_CLK_PCLK_PORTB, ENABLE);

    PORT_StructInit(&PortInit);

    PortInit.PORT_Pin   = LED1 | LED2;
    PortInit.PORT_OE    = PORT_OE_OUT;
    PortInit.PORT_FUNC  = PORT_FUNC_PORT;
    PortInit.PORT_MODE  = PORT_MODE_DIGITAL;
    PortInit.PORT_SPEED = PORT_SPEED_FAST;

    PORT_Init(MDR_PORTB, &PortInit);

    PORT_ResetBits(MDR_PORTB, LED1 | LED2);
}

void init_UART2(void)
{
    RST_CLK_PCLKcmd(RST_CLK_PCLK_PORTF, ENABLE);
    RST_CLK_PCLKcmd(RST_CLK_PCLK_UART2, ENABLE);

    PORT_StructInit(&PortInit);

    PortInit.PORT_PULL_UP   = PORT_PULL_UP_OFF;
    PortInit.PORT_PULL_DOWN = PORT_PULL_DOWN_OFF;
    PortInit.PORT_PD_SHM    = PORT_PD_SHM_OFF;
    PortInit.PORT_PD        = PORT_PD_DRIVER;
    PortInit.PORT_GFEN      = PORT_GFEN_OFF;
    PortInit.PORT_FUNC      = PORT_FUNC_ALTER;
    PortInit.PORT_SPEED     = PORT_SPEED_MAXFAST;
    PortInit.PORT_MODE      = PORT_MODE_DIGITAL;

    PortInit.PORT_OE  = PORT_OE_OUT;
    PortInit.PORT_Pin = PORT_Pin_1;
    PORT_Init(MDR_PORTF, &PortInit);

    PortInit.PORT_OE  = PORT_OE_IN;
    PortInit.PORT_Pin = PORT_Pin_0;
    PORT_Init(MDR_PORTF, &PortInit);

    RST_CLK_CPU_PLLconfig(RST_CLK_CPU_PLLsrcHSIdiv2, 0);

    UART_BRGInit(MDR_UART2, UART_HCLKdiv1);

    UART_InitStructure.UART_BaudRate = 57600;
    UART_InitStructure.UART_WordLength = UART_WordLength8b;
    UART_InitStructure.UART_StopBits = UART_StopBits1;
    UART_InitStructure.UART_Parity = UART_Parity_No;
    UART_InitStructure.UART_FIFOMode = UART_FIFO_ON;
    UART_InitStructure.UART_HardwareFlowControl =
        UART_HardwareFlowControl_RXE | UART_HardwareFlowControl_TXE;

    UART_Init(MDR_UART2, &UART_InitStructure);
    UART_Cmd(MDR_UART2, ENABLE);
}

void process_command(uint8_t cmd)
{
    switch (cmd)
    {
        case '1':
            PORT_SetBits(MDR_PORTB, LED1);
            break;

        case '2':
            PORT_ResetBits(MDR_PORTB, LED1);
            break;

        case '3':
            PORT_SetBits(MDR_PORTB, LED2);
            break;

        case '4':
            PORT_ResetBits(MDR_PORTB, LED2);
            break;

        case '5':
            PORT_SetBits(MDR_PORTB, LED1 | LED2);
            break;

        case '6':
            PORT_ResetBits(MDR_PORTB, LED1 | LED2);
            break;

        default:
            break;
    }
}

int main(void)
{
    uint8_t rx_data;

    init_leds();
    init_UART2();

    while (1)
    {
        if (UART_GetFlagStatus(MDR_UART2, UART_FLAG_RXFE) == RESET)
        {
            rx_data = UART_ReceiveData(MDR_UART2);
            process_command(rx_data);
        }
    }
}