#include "DMA_uart_debug.h"

volatile uint8_t __attribute__((aligned(4))) DMA_buf[16] = {0XAA, 0XAA, 0XAA, 0XAA};
#define DMAS_BASE 0x50001000

// #define     	DMAS_CHx_SAR(a)     	((volatile unsigned *)(DMAS_BASE + 0x40 + (a * 0x20)))
// #define     	DMAS_CHx_DAR(a)     	((volatile unsigned *)(DMAS_BASE + 0x44 + (a * 0x20)))
// #define     	DMAS_CHx_CTL0(a)    	((volatile unsigned *)(DMAS_BASE + 0x48 + (a * 0x20)))
// #define     	DMAS_CHx_CTL1(a)    	((volatile unsigned *)(DMAS_BASE + 0x4C + (a * 0x20)))
// #define     	DMAS_CHx_CA(a)      	((volatile unsigned *)(DMAS_BASE + 0x50 + (a * 0x20)))
// #define         DMAS_EN                 ((volatile unsigned *)(DMAS_BASE + 0))
#define DMAS_STA ((volatile unsigned *)(DMAS_BASE + 0x08))

__XIP_RAM_CODE void DMA_Uart(uint8_t ch)
{
    __write_hw_reg32(DMAS_CHx_SAR(ch), (uint32_t)DMA_buf);
    __write_hw_reg32(DMAS_CHx_DAR(ch), (ch * 0x1000 + 0x40010000));
    __write_hw_reg32(DMAS_CHx_CTL1(ch), ((2 << 8)));
    __write_hw_reg32(DMAS_CHx_CTL0(ch), 4);
}
__XIP_RAM_CODE void DMA_Uart_SendChar(uint8_t ch)
{
    __write_hw_reg32(DMAS_CHx_CTL0(ch), 4);
    while ((*(DMAS_STA)) & (0x01 << ch))
        ;
    *(DMAS_EN) = ch;
}

__XIP_RAM_CODE void DMA_Uart_SendNumChar(uint8_t ch, uint8_t bt)
{
    __write_hw_reg32(DMAS_CHx_CTL0(ch), bt);
    while ((*(DMAS_STA)) & (0x01 << ch))
        ;
    *(DMAS_EN) = ch;
}

/*
void DMA_Uart_SendChar_1(uint8_t ch)
{
   while((*(DMAS_STA))&(0x01<<ch));
   *(DMAS_EN)=ch;
}*/