150 lines
4.6 KiB
C
Executable File
150 lines
4.6 KiB
C
Executable File
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//#include"ls1c101.h"
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#include"ls1x.h"
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#include"Config.h"
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#include"test.h"
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/***********************************************************************
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函数功能: 开门
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@param: 无
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@other: 无
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@return: 无
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***********************************************************************/
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typedef struct
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{
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int index; //要播放语音的下标
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int size; //语音的大小
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} Audio_TypeDef;
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/***********************************************************************
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函数功能: 语音初始化
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@param: 无
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@other: 无
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@return: 无
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***********************************************************************/
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void vpwm_init_dma_bd(void)
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{
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#if 0 //外部8M
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VPWM_CFG = 0x48bb1f41;
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#else
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INT32U sum_width;
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INT32U cfg;
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INT32U freq = (*(volatile unsigned int *)0xbf0201b0) * 1000; //在芯片地址bf0201b0处获取内部8M时钟的大小
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freq <<= 2; // busclk * 4 = osc clk
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#if 0
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sum_width = (freq + (freq >> 6) + (freq >> 7)) >> (14 + 1); // 16k sample rate, interpol 1
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printf("sum_width1=%x\n", sum_width);
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#else
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unsigned int rate = 16000 * 4;
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sum_width = (freq + rate - 1) / rate;
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#endif
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cfg = 0x42ab0000 | (sum_width << 4); // bit[27] 0: 32m 1: busclk
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VPWM_CFG = cfg;
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#endif
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}
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/***********************************************************************
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函数功能: 语音menling初始化
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@param: 无
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@other: 无
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@return: 无
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***********************************************************************/
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void vpwm_init_dma_bell(void)
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{
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//#if 0 //外部8M
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// VPWM_CFG = 0x48bb1f41;
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//#else
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// INT32U sum_width;
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// INT32U cfg;
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// INT32U freq = (*(volatile unsigned int *)0xbf0201b0) * 1000; //在芯片地址bf0201b0处获取内部8M时钟的大小
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// freq <<= 2; // busclk * 4 = osc clk
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//#if 0
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// sum_width = (freq + (freq >> 6) + (freq >> 7)) >> (14 + 1); // 16k sample rate, interpol 1
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// printf("sum_width1=%x\n", sum_width);
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//#else
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// unsigned int rate = 16000 * 10;
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// sum_width = (freq + rate - 1) / rate;
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//#endif
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// cfg = 0x43ab0000 | (sum_width << 4); // bit[27] 0: 32m 1: busclk
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// VPWM_CFG = cfg;
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//#endif
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INT32U sum_width;
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INT32U freq = (*(volatile unsigned int *)0xbf0201b0) * 1000; //在芯片地址bf0201b0处获取内部8M时钟的大小
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freq <<= 2; // busclk * 4 = osc clk 32M
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unsigned char insert = 3;
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unsigned int rate = 10000 * (1 << insert);
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INT32U cfg;
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sum_width = (freq + rate - 1) / rate;
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// cfg = 0x40cb0000 | ((sum_width & 0xfff) << 4); // bit[27] 0: 32m 1: busclk
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cfg = 0x40ab0000 | ((sum_width & 0xfff) << 4); // bit[27] 0: 32m 1: busclk
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cfg |= (insert & 0x0f) << 24;
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VPWM_CFG = cfg;
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}
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void vpwm_init_dma_tips(void)
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{
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#if 0 //外部8M
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VPWM_CFG = 0x48bb1f41;
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#else
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INT32U sum_width;
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INT32U cfg;
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INT32U freq = (*(volatile unsigned int *)0xbf0201b0) * 1000; //在芯片地址bf0201b0处获取内部8M时钟的大小
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freq <<= 2; // busclk * 4 = osc clk
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#if 0
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sum_width = (freq + (freq >> 6) + (freq >> 7)) >> (14 + 1); // 16k sample rate, interpol 1
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printf("sum_width1=%x\n", sum_width);
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#else
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unsigned int rate = 16000 * 8;
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sum_width = (freq + rate - 1) / rate;
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#endif
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cfg = 0x43ab0000 | (sum_width << 4); // bit[27] 0: 32m 1: busclk
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VPWM_CFG = cfg;
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#endif
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}
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/***********************************************************************
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function: DMA复位
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@param : 无
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@other : 无
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@return : 无
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@auther : 朱晓宇
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@time : 2020年4月9日
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***********************************************************************/
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void dma_reset(void)
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{
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unsigned int status;
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DMA_CMD_STATUS = 0x80000000; //DMA控制器写1复位
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status = DMA_CMD_STATUS; //读DMA控制器，为0则表示软复位完成
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while (status != 0x1)
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status = DMA_CMD_STATUS;
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}
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/***********************************************************************
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function: DMA搬运数据
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@param : source 存放语音的地址
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count 数据大小
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mode 是否使能DMA
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@other : 无
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@return : 无
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@auther : 朱晓宇
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@time : 2020年4月9日
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***********************************************************************/
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void dma_start(INT32U source, INT32U count, INT32U mode)
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{
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unsigned int status;
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status = DMA_CMD_STATUS;
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while(status != 0x1) //命令可写
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status = DMA_CMD_STATUS;
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// DMA_SOURCE = ((unsigned int)source) & 0x00ffffff;
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DMA_SOURCE = ((unsigned int)source) & 0x1fffffff;
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DMA_COUNT = count;
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if(mode == 0x1)
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DMA_CMD_STATUS = 0x3; //使能DMA
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else
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DMA_CMD_STATUS = 0x1;
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}
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