添加一些关于midi播放的项目
This commit is contained in:
terryLP
@@ -0,0 +1,317 @@
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/*!
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* 技术讨论：QQ群 123763203
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* 官网 ：www.navota.com
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*
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* @file flash.c
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* @brief flash函数库
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* @author Navota
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* @date 2018-6-19
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*/
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#include "flash.h"
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#define FLASH_ENABLE_STALLING_FLASH_CONTROLLER
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/*****************************************************************************//*!
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+FUNCTION----------------------------------------------------------------
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* @function name: Flash_Init
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*
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* @brief 初始化FLASH
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*
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* @param
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*
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* @return none
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*
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*****************************************************************************/
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uint16_t Flash_Init(void)
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{
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uint16_t err = FLASH_ERR_SUCCESS;
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uint32_t clkDIV = BUS_CLK_HZ/1000000L - 1;
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uint32_t Tpgs =(285 *(BUS_CLK_HZ/100))/1000000L; //update 2016.8.4 by 光脚板のGG
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uint32_t Tprog =(675*(BUS_CLK_HZ/100))/1000000L; //by 光脚板のGG
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EFMCR=(clkDIV<<24) + 0x00000001; //divide to 1M hz
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EFMETM0=(Tpgs<<16) + 0x00001194; //0x00281194; //
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EFMETM1=(Tprog<<16) + 0x000088B8; //
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return(err);
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}
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/*****************************************************************************//*!
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+FUNCTION----------------------------------------------------------------
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* @function name: FlashProgram
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*
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* @brief flash加载编程：总的过程就是，给出字节长度，先写入满足两个字的个数，
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* 再写入剩余满足一个字的个数，最后写入剩余的字节数。
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*
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* @param[in] wNVMTargetAddress 所要存放的FLASH首地址
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* @param[in] *pData 所要存放的数据
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* @param[in] sizeBytes 字节长度
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*
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* @return none
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*
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*****************************************************************************/
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__ramfunc uint16_t Flash_Program(uint32_t wNVMTargetAddress, uint8_t *pData, uint16_t sizeBytes)
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{
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uint16_t err = FLASH_ERR_SUCCESS;
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uint16_t w2LongWordCount = sizeBytes>>3;//处理一下，得到2个字的个数
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uint8_t wLeftBytes = (sizeBytes & 0x07);//低位三个字节的个数
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uint16_t wLeftLongWords = wLeftBytes>>2;//低位中满一个字个数
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uint32_t wTargetAddress = wNVMTargetAddress;
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uint32_t dwData0,dwData1;
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uint32_t *pdwData = (uint32_t*)pData;//传参
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int i;
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//判断是否字对齐
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if(wNVMTargetAddress & 0x03)
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{
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err = FLASH_ERR_INVALID_PARAM;
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return (err);//返回无效的参数
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}
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//循环写入两个长字（即8个字节），共写入w2LongWordCount * 8个字节
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for(i = 0; i < w2LongWordCount; i++)
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{
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dwData0 = *pdwData++;
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dwData1 = *pdwData++;
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err = Flash_Program2LongWords(wTargetAddress, dwData0, dwData1);//加载两个字的编程
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if(err) //地址不为4个字节对齐，则直接跳转
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{
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goto EndP;
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//break;
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}
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wTargetAddress += 8;//循环一次写入8个字节，即2个字，NV32的flash是字对齐的
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}
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// 一个字的编程，即4bytes
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for(i = 0; i < wLeftLongWords; i++)
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{
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dwData0 = *pdwData++;
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err = Flash_Program1LongWord(wTargetAddress, dwData0);
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if(err)
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{
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goto EndP;
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//break;
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}
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wTargetAddress += 4;
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}
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wLeftBytes = (wLeftBytes-(wLeftLongWords<<2)); //在两字和一字的编程都处理完后剩余的低两位字节数
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if(!wLeftBytes){ //若无剩余字节数，返回成功
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return (err);
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}
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#if defined(BIG_ENDIAN)
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dwData0 = 0;
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pData = (uint8_t*)pdwData;
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for(i = wLeftBytes; i >0; i--)
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{
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dwData0 <<= 8;
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dwData0 |= *pData++;
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}
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wLeftBytes = 4 - wLeftBytes;
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for(i = wLeftBytes; i >0; i--)
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{
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dwData0 <<= 8;
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dwData0 |= 0xFF;
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}
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#else
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dwData0 = 0xFFFFFFFFL;
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pData = (uint8_t*)pdwData+wLeftBytes-1;
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for(i = wLeftBytes; i >0; i--)
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{
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dwData0 <<= 8;
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dwData0 |= *pData--;
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}
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#endif
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err = Flash_Program1LongWord(wTargetAddress, dwData0);
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EndP:
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return (err);
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}
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/*****************************************************************************//*!
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* @function name: FlashProgram1LongWord
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*
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* @brief 加载一个字的大小，编程到FLASH中(也就是四个字节)
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*
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* @param[in] wNVMTargetAddress 所要存放的FLASH首地址
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* @param[in] dwData 所要存放的数据
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*
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* @return none
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*
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*****************************************************************************/
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__ramfunc uint16_t Flash_Program1LongWord(uint32_t wNVMTargetAddress, uint32_t dwData)
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{
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uint16_t err = FLASH_ERR_SUCCESS;
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//判断是否为字对齐
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if(wNVMTargetAddress & 0x03)
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{
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err = FLASH_ERR_INVALID_PARAM;
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return (err);
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}
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// 清除错误标志
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EFMCMD = FLASH_CMD_CLEAR;
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//写入数据到对应的地址中
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DisableInterrupts;
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M32(wNVMTargetAddress) = dwData;
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//加载编程命令
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EFM_LaunchCMD(FLASH_CMD_PROGRAM);
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EnableInterrupts;
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return (err);//返回状态
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}
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/*****************************************************************************//*!
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* @function name: FlashProgram2LongWords
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*
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* @brief 加载两个字的大小，编程到FLASH中(也就是八个字节)
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*
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* @param[in] wNVMTargetAddress 所要存放的FLASH首地址
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* @param[in] dwData0 低4个字节
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* @param[in] dwData1 高4个字节
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*
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* @return none
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*
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*****************************************************************************/
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__ramfunc uint16_t Flash_Program2LongWords(uint32_t wNVMTargetAddress, uint32_t dwData0, uint32_t dwData1)
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{
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uint16_t err = FLASH_ERR_SUCCESS;
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//判断是否为字对齐
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if(wNVMTargetAddress & 0x03)
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{
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err = FLASH_ERR_INVALID_PARAM;
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return (err);
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}
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// 清除错误标志
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EFMCMD = FLASH_CMD_CLEAR;
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DisableInterrupts;
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M32(wNVMTargetAddress) = dwData0;//存放数据到以目标地址为起始的4个字节的空间中
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EFM_LaunchCMD(FLASH_CMD_PROGRAM);//0x20000000,加载编程命令
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EnableInterrupts;
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wNVMTargetAddress = wNVMTargetAddress +4;//地址是字对齐的，地址向后移一个字
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EFMCMD = FLASH_CMD_CLEAR;
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DisableInterrupts;
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M32(wNVMTargetAddress) = dwData1;//第二个数据放入处理后的地址的4个字节的空间中
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EFM_LaunchCMD(FLASH_CMD_PROGRAM);//加载编程命令
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EnableInterrupts;
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return (err);//返回处理状态
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}
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/*****************************************************************************//*!
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+FUNCTION----------------------------------------------------------------
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* @function name: Flash_EraseSector
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*
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* @brief 擦除目标地址的一个扇区（512字节）,.
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*
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* @param[in] wNVMTargetAddress 擦除扇区的首地址
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*
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* @return none
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*
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*****************************************************************************/
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__ramfunc uint16_t Flash_EraseSector(uint32_t wNVMTargetAddress)
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{
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uint16_t err = FLASH_ERR_SUCCESS;
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// 判断是否字对齐
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if(wNVMTargetAddress & 0x03)
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{
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err = FLASH_ERR_INVALID_PARAM;
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return (err);
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}
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// 清除错误标志
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EFMCMD = FLASH_CMD_CLEAR;
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DisableInterrupts;
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M32(wNVMTargetAddress) = 0xffffffff;
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EFM_LaunchCMD(FLASH_CMD_ERASE_SECTOR);//加载擦除命令
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EnableInterrupts;
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return (err);
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}
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__ramfunc uint16_t Flash_VerifyBackdoorKey()
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{
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uint16_t err = FLASH_ERR_SUCCESS;
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// Clear error flags
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EFMCMD = FLASH_CMD_CLEAR;
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// Write index to specify the command code to be loaded
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Custombkd = FLASH_FACTORY_KEY;
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return (err);
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}
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/*****************************************************************************//*!
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+FUNCTION----------------------------------------------------------------
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* @function name: NVM_EraseAll
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*
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* @brief 整片擦除FLASH(慎用，注意0X40E这个地址，在调试阶段写入0XFE)
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*
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* @param
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*
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* @return none
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*
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*****************************************************************************/
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__ramfunc uint16_t NVM_EraseAll(void)
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{
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uint16_t err = FLASH_ERR_SUCCESS;
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EFMCMD = FLASH_CMD_CLEAR;
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EFM_LaunchCMD(FLASH_CMD_ERASE_ALL);
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// Clear error flags
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return err;
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}
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/*****************************************************************************//*!
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+FUNCTION----------------------------------------------------------------
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* @function name: NVM_Unsecure
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*
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* @brief unsecure
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*
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* @param
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*
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* @return none
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*
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*****************************************************************************/
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__ramfunc uint16_t NVM_Unsecure(void)
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{
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uint16_t err = FLASH_ERR_SUCCESS;
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return err;
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}
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/*****************************************************************************//*!
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+FUNCTION----------------------------------------------------------------
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* @function name: EFM_LaunchCMD
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*
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* @brief 命令加载函数(注：此函数须放入SRAM中运行)
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*
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* @param
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*
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* @return none
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*
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*****************************************************************************/
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#ifdef IAR
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void __ramfunc EFM_LaunchCMD(uint32_t EFM_CMD)
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#else
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__ramfunc void EFM_LaunchCMD(uint32_t EFM_CMD)
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#endif
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{
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DisableInterrupts;
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if((EFMCMD&EFM_DONE_MASK)== EFM_STATUS_READY)
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{
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EFMCMD = EFM_CMD;
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}
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while(1)
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{
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if((EFMCMD&EFM_DONE_MASK) == EFM_STATUS_DONE) break;
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}
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EnableInterrupts;
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}
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@@ -0,0 +1,84 @@
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/******************************************************************************
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*
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* @brief FLASH Çý¶¯Í·Îļþ.
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*
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******************************************************************************/
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#ifndef FLASH_H_
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#define FLASH_H_
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#include "common.h"
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#define ETMRH_FSTAT_MGSTAT0_MASK (1)
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#define ETMRH_FSTAT_MGSTAT1_MASK (1<<1)
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#define FLASH_SECTOR_SIZE 512 // in bytes
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#define FLASH_ERR_BASE 0x3000
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#define FLASH_ERR_SUCCESS 0
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#define FLASH_ERR_INVALID_PARAM (FLASH_ERR_BASE+1)
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#define EEPROM_ERR_SINGLE_BIT_FAULT (FLASH_ERR_BASE+2)
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#define EEPROM_ERR_DOUBLE_BIT_FAULT (FLASH_ERR_BASE+4)
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#define FLASH_ERR_ACCESS (FLASH_ERR_BASE+8)
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#define FLASH_ERR_PROTECTION (FLASH_ERR_BASE+0x10)
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#define FLASH_ERR_MGSTAT0 (FLASH_ERR_BASE+0x11)
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#define FLASH_ERR_MGSTAT1 (FLASH_ERR_BASE+0x12)
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#define FLASH_ERR_INIT_CCIF (FLASH_ERR_BASE+0x14)
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#define FLASH_ERR_INIT_FDIV (FLASH_ERR_BASE+0x18)
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/*********************************/
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#define FLASH_CMD_PROGRAM 0x20000000
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#define FLASH_CMD_CLEAR 0x00005000
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#define FLASH_CMD_ERASE_ALL 0x41000000
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#define FLASH_CMD_ERASE_SECTOR 0x40000000
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#define FLASH_FACTORY_KEY 0x00cfbdbe
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#define EFM_DONE_MASK 0x00006000
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#define EFM_STATUS_DONE 0x00006000
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#define EFM_STATUS_READY 0x00002000
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#define FLASH_ACCERR_MASK 0x10
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#define M8(adr) (*((volatile unsigned char *) (adr)))
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#define M16(adr) (*((volatile unsigned short *) (adr)))
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#define M32(adr) (*((volatile unsigned long *) (adr)))
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#define __ramfunc __attribute__ ((long_call, section (".ramfunctions")))
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/******************************************************************************
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******************************************************************************/
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typedef uint16_t (*TFlash_Fun1)(uint32_t wNVMTargetAddress, uint8_t *pbData, uint8_t bByteCount);
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typedef uint16_t (*TFlash_Fun2)(uint32_t wNVMTargetAddress, uint32_t dwData0, uint32_t dwData1);
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typedef uint16_t (*TFlash_Fun3)(uint32_t wNVMTargetAddress, uint32_t dwData);
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/******************************************************************************
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******************************************************************************/
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__ramfunc uint16_t Flash_Program(uint32_t wNVMTargetAddress, uint8_t *pData, uint16_t sizeBytes);
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__ramfunc uint16_t Flash_Program1LongWord(uint32_t wNVMTargetAddress, uint32_t dwData);
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__ramfunc uint16_t Flash_Program2LongWords(uint32_t wNVMTargetAddress, uint32_t dwData0, uint32_t dwData1);
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__ramfunc uint16_t Flash_EraseSector(uint32_t wNVMTargetAddress);
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__ramfunc uint16_t Flash_VerifyBackdoorKey(void);
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__ramfunc uint16_t NVM_EraseAll(void);
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__ramfunc uint16_t NVM_Unsecure(void);
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uint16_t Flash_Init(void);
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#ifdef IAR
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void __ramfunc EFM_LaunchCMD(uint32_t EFM_CMD);
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#else
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__ramfunc void EFM_LaunchCMD(uint32_t EFM_CMD);
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#endif
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void Flash_CopyInRAM(void);
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void Flash_CopyRouinte2RAM(char *func, uint16_t sizeFunc);
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/********************************************************************/
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#endif /* FLASH_H_ */
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@@ -0,0 +1,41 @@
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/******************************************************************************
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*
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* Navota Microelectronics Inc. Navota Camels 32 Bit MCU
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* (c) Copyright 2015-2016 Navota Microelectronics, Inc.
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* ALL RIGHTS RESERVED.
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*
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******************************************************************************
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*
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* @file flash_cmd.c
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*
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* @brief application entry point which performs application specific tasks.
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*
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*******************************************************************************
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*
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* provide a demo for how to initialize the NV32, output messages via SCI,
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* flash operations, etc.
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* NOTE:
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* printf call may occupy a lot of memory (around 1924 bytes), so please
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* consider your code size before using printf.
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******************************************************************************
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*
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* provide FLASH driver
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*
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******************************************************************************/
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#include "flash.h"
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void EFM_LaunchCMD(uint32_t EFM_CMD)
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{
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#define DisableInterrupts£»
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if((EFMCMD&EFM_DONE_MASK)== EFM_STATUS_READY)
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{
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EFMCMD = EFM_CMD;
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}
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while(1)
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{
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if((EFMCMD&EFM_DONE_MASK) == EFM_STATUS_DONE) break;
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}
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#define EnableInterrupts;
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__asm("nop");
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}
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