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DMP输出包结构(42字节)如下图:
代码如下:
- /*****************************************************
- 功能: 采集MPU6050 DMP 数据
- CPU: STC89C54RD+
- 晶震: 11.0592
- 环境: Keli2.0
- 语言: c
- 作者:XW1005
- 来源:移植 Jeff Jrowberg 公开的程序。
- 目的:
- sda 或则scl 为高时是:释放总线
- *****************************************************/
- #include <reg52.h>
- #include <intrins.h>
- bit ack; //应答标志位 0:ack 1:nak
- sbit scl = P2^0;
- sbit sda = P2^1;
- unsigned char dmpdatas[42]; //DMP数据
- #define SlaveAddress 0xD0 //IIC写入时的地址字节数据,+1为读取
- //#define SlaveAddress 0xae //i2c测试地址
- void SendByte(unsigned char dat);
- unsigned char i2cread(unsigned char addr,unsigned char *Data);
- unsigned char i2creads(unsigned char addr,unsigned char length,unsigned char *Data);
- //以下的 firmware 及 config update 数据来自于 Jeff Jrowberg 公开的程序
- code unsigned char dmpmemorydata[1929]={
- // bank 0, 256 bytes
- 0xFB, 0x00, 0x00, 0x3E, 0x00, 0x0B, 0x00, 0x36, 0x00, 0x01, 0x00, 0x02, 0x00, 0x03, 0x00, 0x00,
- 0x00, 0x65, 0x00, 0x54, 0xFF, 0xEF, 0x00, 0x00, 0xFA, 0x80, 0x00, 0x0B, 0x12, 0x82, 0x00, 0x01,
- 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x28, 0x00, 0x00, 0xFF, 0xFF, 0x45, 0x81, 0xFF, 0xFF, 0xFA, 0x72, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x03, 0xE8, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x7F, 0xFF, 0xFF, 0xFE, 0x80, 0x01,
- 0x00, 0x1B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x3E, 0x03, 0x30, 0x40, 0x00, 0x00, 0x00, 0x02, 0xCA, 0xE3, 0x09, 0x3E, 0x80, 0x00, 0x00,
- 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00,
- 0x41, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x0B, 0x2A, 0x00, 0x00, 0x16, 0x55, 0x00, 0x00, 0x21, 0x82,
- 0xFD, 0x87, 0x26, 0x50, 0xFD, 0x80, 0x00, 0x00, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x05, 0x80, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00,
- 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x6F, 0x00, 0x02, 0x65, 0x32, 0x00, 0x00, 0x5E, 0xC0,
- 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0xFB, 0x8C, 0x6F, 0x5D, 0xFD, 0x5D, 0x08, 0xD9, 0x00, 0x7C, 0x73, 0x3B, 0x00, 0x6C, 0x12, 0xCC,
- 0x32, 0x00, 0x13, 0x9D, 0x32, 0x00, 0xD0, 0xD6, 0x32, 0x00, 0x08, 0x00, 0x40, 0x00, 0x01, 0xF4,
- 0xFF, 0xE6, 0x80, 0x79, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD0, 0xD6, 0x00, 0x00, 0x27, 0x10,
- // bank 1, 256 bytes
- 0xFB, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0xFA, 0x36, 0xFF, 0xBC, 0x30, 0x8E, 0x00, 0x05, 0xFB, 0xF0, 0xFF, 0xD9, 0x5B, 0xC8,
- 0xFF, 0xD0, 0x9A, 0xBE, 0x00, 0x00, 0x10, 0xA9, 0xFF, 0xF4, 0x1E, 0xB2, 0x00, 0xCE, 0xBB, 0xF7,
- 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x04, 0x00, 0x02, 0x00, 0x02, 0x02, 0x00, 0x00, 0x0C,
- 0xFF, 0xC2, 0x80, 0x00, 0x00, 0x01, 0x80, 0x00, 0x00, 0xCF, 0x80, 0x00, 0x40, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x14,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x03, 0x3F, 0x68, 0xB6, 0x79, 0x35, 0x28, 0xBC, 0xC6, 0x7E, 0xD1, 0x6C,
- 0x80, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0xB2, 0x6A, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F, 0xF0, 0x00, 0x00, 0x00, 0x30,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x25, 0x4D, 0x00, 0x2F, 0x70, 0x6D, 0x00, 0x00, 0x05, 0xAE, 0x00, 0x0C, 0x02, 0xD0,
- // bank 2, 256 bytes
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x65, 0x00, 0x54, 0xFF, 0xEF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x01, 0x00, 0x00, 0x44, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x01, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x00, 0x54, 0x00, 0x00, 0xFF, 0xEF, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x1B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,
- 0x00, 0x1B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- // bank 3, 256 bytes
- 0xD8, 0xDC, 0xBA, 0xA2, 0xF1, 0xDE, 0xB2, 0xB8, 0xB4, 0xA8, 0x81, 0x91, 0xF7, 0x4A, 0x90, 0x7F,
- 0x91, 0x6A, 0xF3, 0xF9, 0xDB, 0xA8, 0xF9, 0xB0, 0xBA, 0xA0, 0x80, 0xF2, 0xCE, 0x81, 0xF3, 0xC2,
- 0xF1, 0xC1, 0xF2, 0xC3, 0xF3, 0xCC, 0xA2, 0xB2, 0x80, 0xF1, 0xC6, 0xD8, 0x80, 0xBA, 0xA7, 0xDF,
- 0xDF, 0xDF, 0xF2, 0xA7, 0xC3, 0xCB, 0xC5, 0xB6, 0xF0, 0x87, 0xA2, 0x94, 0x24, 0x48, 0x70, 0x3C,
- 0x95, 0x40, 0x68, 0x34, 0x58, 0x9B, 0x78, 0xA2, 0xF1, 0x83, 0x92, 0x2D, 0x55, 0x7D, 0xD8, 0xB1,
- 0xB4, 0xB8, 0xA1, 0xD0, 0x91, 0x80, 0xF2, 0x70, 0xF3, 0x70, 0xF2, 0x7C, 0x80, 0xA8, 0xF1, 0x01,
- 0xB0, 0x98, 0x87, 0xD9, 0x43, 0xD8, 0x86, 0xC9, 0x88, 0xBA, 0xA1, 0xF2, 0x0E, 0xB8, 0x97, 0x80,
- 0xF1, 0xA9, 0xDF, 0xDF, 0xDF, 0xAA, 0xDF, 0xDF, 0xDF, 0xF2, 0xAA, 0xC5, 0xCD, 0xC7, 0xA9, 0x0C,
- 0xC9, 0x2C, 0x97, 0x97, 0x97, 0x97, 0xF1, 0xA9, 0x89, 0x26, 0x46, 0x66, 0xB0, 0xB4, 0xBA, 0x80,
- 0xAC, 0xDE, 0xF2, 0xCA, 0xF1, 0xB2, 0x8C, 0x02, 0xA9, 0xB6, 0x98, 0x00, 0x89, 0x0E, 0x16, 0x1E,
- 0xB8, 0xA9, 0xB4, 0x99, 0x2C, 0x54, 0x7C, 0xB0, 0x8A, 0xA8, 0x96, 0x36, 0x56, 0x76, 0xF1, 0xB9,
- 0xAF, 0xB4, 0xB0, 0x83, 0xC0, 0xB8, 0xA8, 0x97, 0x11, 0xB1, 0x8F, 0x98, 0xB9, 0xAF, 0xF0, 0x24,
- 0x08, 0x44, 0x10, 0x64, 0x18, 0xF1, 0xA3, 0x29, 0x55, 0x7D, 0xAF, 0x83, 0xB5, 0x93, 0xAF, 0xF0,
- 0x00, 0x28, 0x50, 0xF1, 0xA3, 0x86, 0x9F, 0x61, 0xA6, 0xDA, 0xDE, 0xDF, 0xD9, 0xFA, 0xA3, 0x86,
- 0x96, 0xDB, 0x31, 0xA6, 0xD9, 0xF8, 0xDF, 0xBA, 0xA6, 0x8F, 0xC2, 0xC5, 0xC7, 0xB2, 0x8C, 0xC1,
- 0xB8, 0xA2, 0xDF, 0xDF, 0xDF, 0xA3, 0xDF, 0xDF, 0xDF, 0xD8, 0xD8, 0xF1, 0xB8, 0xA8, 0xB2, 0x86,
- // bank 4, 256 bytes
- 0xB4, 0x98, 0x0D, 0x35, 0x5D, 0xB8, 0xAA, 0x98, 0xB0, 0x87, 0x2D, 0x35, 0x3D, 0xB2, 0xB6, 0xBA,
- 0xAF, 0x8C, 0x96, 0x19, 0x8F, 0x9F, 0xA7, 0x0E, 0x16, 0x1E, 0xB4, 0x9A, 0xB8, 0xAA, 0x87, 0x2C,
- 0x54, 0x7C, 0xB9, 0xA3, 0xDE, 0xDF, 0xDF, 0xA3, 0xB1, 0x80, 0xF2, 0xC4, 0xCD, 0xC9, 0xF1, 0xB8,
- 0xA9, 0xB4, 0x99, 0x83, 0x0D, 0x35, 0x5D, 0x89, 0xB9, 0xA3, 0x2D, 0x55, 0x7D, 0xB5, 0x93, 0xA3,
- 0x0E, 0x16, 0x1E, 0xA9, 0x2C, 0x54, 0x7C, 0xB8, 0xB4, 0xB0, 0xF1, 0x97, 0x83, 0xA8, 0x11, 0x84,
- 0xA5, 0x09, 0x98, 0xA3, 0x83, 0xF0, 0xDA, 0x24, 0x08, 0x44, 0x10, 0x64, 0x18, 0xD8, 0xF1, 0xA5,
- 0x29, 0x55, 0x7D, 0xA5, 0x85, 0x95, 0x02, 0x1A, 0x2E, 0x3A, 0x56, 0x5A, 0x40, 0x48, 0xF9, 0xF3,
- 0xA3, 0xD9, 0xF8, 0xF0, 0x98, 0x83, 0x24, 0x08, 0x44, 0x10, 0x64, 0x18, 0x97, 0x82, 0xA8, 0xF1,
- 0x11, 0xF0, 0x98, 0xA2, 0x24, 0x08, 0x44, 0x10, 0x64, 0x18, 0xDA, 0xF3, 0xDE, 0xD8, 0x83, 0xA5,
- 0x94, 0x01, 0xD9, 0xA3, 0x02, 0xF1, 0xA2, 0xC3, 0xC5, 0xC7, 0xD8, 0xF1, 0x84, 0x92, 0xA2, 0x4D,
- 0xDA, 0x2A, 0xD8, 0x48, 0x69, 0xD9, 0x2A, 0xD8, 0x68, 0x55, 0xDA, 0x32, 0xD8, 0x50, 0x71, 0xD9,
- 0x32, 0xD8, 0x70, 0x5D, 0xDA, 0x3A, 0xD8, 0x58, 0x79, 0xD9, 0x3A, 0xD8, 0x78, 0x93, 0xA3, 0x4D,
- 0xDA, 0x2A, 0xD8, 0x48, 0x69, 0xD9, 0x2A, 0xD8, 0x68, 0x55, 0xDA, 0x32, 0xD8, 0x50, 0x71, 0xD9,
- 0x32, 0xD8, 0x70, 0x5D, 0xDA, 0x3A, 0xD8, 0x58, 0x79, 0xD9, 0x3A, 0xD8, 0x78, 0xA8, 0x8A, 0x9A,
- 0xF0, 0x28, 0x50, 0x78, 0x9E, 0xF3, 0x88, 0x18, 0xF1, 0x9F, 0x1D, 0x98, 0xA8, 0xD9, 0x08, 0xD8,
- 0xC8, 0x9F, 0x12, 0x9E, 0xF3, 0x15, 0xA8, 0xDA, 0x12, 0x10, 0xD8, 0xF1, 0xAF, 0xC8, 0x97, 0x87,
- // bank 5, 256 bytes
- 0x34, 0xB5, 0xB9, 0x94, 0xA4, 0x21, 0xF3, 0xD9, 0x22, 0xD8, 0xF2, 0x2D, 0xF3, 0xD9, 0x2A, 0xD8,
- 0xF2, 0x35, 0xF3, 0xD9, 0x32, 0xD8, 0x81, 0xA4, 0x60, 0x60, 0x61, 0xD9, 0x61, 0xD8, 0x6C, 0x68,
- 0x69, 0xD9, 0x69, 0xD8, 0x74, 0x70, 0x71, 0xD9, 0x71, 0xD8, 0xB1, 0xA3, 0x84, 0x19, 0x3D, 0x5D,
- 0xA3, 0x83, 0x1A, 0x3E, 0x5E, 0x93, 0x10, 0x30, 0x81, 0x10, 0x11, 0xB8, 0xB0, 0xAF, 0x8F, 0x94,
- 0xF2, 0xDA, 0x3E, 0xD8, 0xB4, 0x9A, 0xA8, 0x87, 0x29, 0xDA, 0xF8, 0xD8, 0x87, 0x9A, 0x35, 0xDA,
- 0xF8, 0xD8, 0x87, 0x9A, 0x3D, 0xDA, 0xF8, 0xD8, 0xB1, 0xB9, 0xA4, 0x98, 0x85, 0x02, 0x2E, 0x56,
- 0xA5, 0x81, 0x00, 0x0C, 0x14, 0xA3, 0x97, 0xB0, 0x8A, 0xF1, 0x2D, 0xD9, 0x28, 0xD8, 0x4D, 0xD9,
- 0x48, 0xD8, 0x6D, 0xD9, 0x68, 0xD8, 0xB1, 0x84, 0x0D, 0xDA, 0x0E, 0xD8, 0xA3, 0x29, 0x83, 0xDA,
- 0x2C, 0x0E, 0xD8, 0xA3, 0x84, 0x49, 0x83, 0xDA, 0x2C, 0x4C, 0x0E, 0xD8, 0xB8, 0xB0, 0xA8, 0x8A,
- 0x9A, 0xF5, 0x20, 0xAA, 0xDA, 0xDF, 0xD8, 0xA8, 0x40, 0xAA, 0xD0, 0xDA, 0xDE, 0xD8, 0xA8, 0x60,
- 0xAA, 0xDA, 0xD0, 0xDF, 0xD8, 0xF1, 0x97, 0x86, 0xA8, 0x31, 0x9B, 0x06, 0x99, 0x07, 0xAB, 0x97,
- 0x28, 0x88, 0x9B, 0xF0, 0x0C, 0x20, 0x14, 0x40, 0xB8, 0xB0, 0xB4, 0xA8, 0x8C, 0x9C, 0xF0, 0x04,
- 0x28, 0x51, 0x79, 0x1D, 0x30, 0x14, 0x38, 0xB2, 0x82, 0xAB, 0xD0, 0x98, 0x2C, 0x50, 0x50, 0x78,
- 0x78, 0x9B, 0xF1, 0x1A, 0xB0, 0xF0, 0x8A, 0x9C, 0xA8, 0x29, 0x51, 0x79, 0x8B, 0x29, 0x51, 0x79,
- 0x8A, 0x24, 0x70, 0x59, 0x8B, 0x20, 0x58, 0x71, 0x8A, 0x44, 0x69, 0x38, 0x8B, 0x39, 0x40, 0x68,
- 0x8A, 0x64, 0x48, 0x31, 0x8B, 0x30, 0x49, 0x60, 0xA5, 0x88, 0x20, 0x09, 0x71, 0x58, 0x44, 0x68,
- // bank 6, 256 bytes
- 0x11, 0x39, 0x64, 0x49, 0x30, 0x19, 0xF1, 0xAC, 0x00, 0x2C, 0x54, 0x7C, 0xF0, 0x8C, 0xA8, 0x04,
- 0x28, 0x50, 0x78, 0xF1, 0x88, 0x97, 0x26, 0xA8, 0x59, 0x98, 0xAC, 0x8C, 0x02, 0x26, 0x46, 0x66,
- 0xF0, 0x89, 0x9C, 0xA8, 0x29, 0x51, 0x79, 0x24, 0x70, 0x59, 0x44, 0x69, 0x38, 0x64, 0x48, 0x31,
- 0xA9, 0x88, 0x09, 0x20, 0x59, 0x70, 0xAB, 0x11, 0x38, 0x40, 0x69, 0xA8, 0x19, 0x31, 0x48, 0x60,
- 0x8C, 0xA8, 0x3C, 0x41, 0x5C, 0x20, 0x7C, 0x00, 0xF1, 0x87, 0x98, 0x19, 0x86, 0xA8, 0x6E, 0x76,
- 0x7E, 0xA9, 0x99, 0x88, 0x2D, 0x55, 0x7D, 0x9E, 0xB9, 0xA3, 0x8A, 0x22, 0x8A, 0x6E, 0x8A, 0x56,
- 0x8A, 0x5E, 0x9F, 0xB1, 0x83, 0x06, 0x26, 0x46, 0x66, 0x0E, 0x2E, 0x4E, 0x6E, 0x9D, 0xB8, 0xAD,
- 0x00, 0x2C, 0x54, 0x7C, 0xF2, 0xB1, 0x8C, 0xB4, 0x99, 0xB9, 0xA3, 0x2D, 0x55, 0x7D, 0x81, 0x91,
- 0xAC, 0x38, 0xAD, 0x3A, 0xB5, 0x83, 0x91, 0xAC, 0x2D, 0xD9, 0x28, 0xD8, 0x4D, 0xD9, 0x48, 0xD8,
- 0x6D, 0xD9, 0x68, 0xD8, 0x8C, 0x9D, 0xAE, 0x29, 0xD9, 0x04, 0xAE, 0xD8, 0x51, 0xD9, 0x04, 0xAE,
- 0xD8, 0x79, 0xD9, 0x04, 0xD8, 0x81, 0xF3, 0x9D, 0xAD, 0x00, 0x8D, 0xAE, 0x19, 0x81, 0xAD, 0xD9,
- 0x01, 0xD8, 0xF2, 0xAE, 0xDA, 0x26, 0xD8, 0x8E, 0x91, 0x29, 0x83, 0xA7, 0xD9, 0xAD, 0xAD, 0xAD,
- 0xAD, 0xF3, 0x2A, 0xD8, 0xD8, 0xF1, 0xB0, 0xAC, 0x89, 0x91, 0x3E, 0x5E, 0x76, 0xF3, 0xAC, 0x2E,
- 0x2E, 0xF1, 0xB1, 0x8C, 0x5A, 0x9C, 0xAC, 0x2C, 0x28, 0x28, 0x28, 0x9C, 0xAC, 0x30, 0x18, 0xA8,
- 0x98, 0x81, 0x28, 0x34, 0x3C, 0x97, 0x24, 0xA7, 0x28, 0x34, 0x3C, 0x9C, 0x24, 0xF2, 0xB0, 0x89,
- 0xAC, 0x91, 0x2C, 0x4C, 0x6C, 0x8A, 0x9B, 0x2D, 0xD9, 0xD8, 0xD8, 0x51, 0xD9, 0xD8, 0xD8, 0x79,
- // bank 7, 138 bytes (remainder)
- 0xD9, 0xD8, 0xD8, 0xF1, 0x9E, 0x88, 0xA3, 0x31, 0xDA, 0xD8, 0xD8, 0x91, 0x2D, 0xD9, 0x28, 0xD8,
- 0x4D, 0xD9, 0x48, 0xD8, 0x6D, 0xD9, 0x68, 0xD8, 0xB1, 0x83, 0x93, 0x35, 0x3D, 0x80, 0x25, 0xDA,
- 0xD8, 0xD8, 0x85, 0x69, 0xDA, 0xD8, 0xD8, 0xB4, 0x93, 0x81, 0xA3, 0x28, 0x34, 0x3C, 0xF3, 0xAB,
- 0x8B, 0xF8, 0xA3, 0x91, 0xB6, 0x09, 0xB4, 0xD9, 0xAB, 0xDE, 0xFA, 0xB0, 0x87, 0x9C, 0xB9, 0xA3,
- 0xDD, 0xF1, 0xA3, 0xA3, 0xA3, 0xA3, 0x95, 0xF1, 0xA3, 0xA3, 0xA3, 0x9D, 0xF1, 0xA3, 0xA3, 0xA3,
- 0xA3, 0xF2, 0xA3, 0xB4, 0x90, 0x80, 0xF2, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3,
- 0xA3, 0xB2, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xB0, 0x87, 0xB5, 0x99, 0xF1, 0xA3, 0xA3, 0xA3,
- 0x98, 0xF1, 0xA3, 0xA3, 0xA3, 0xA3, 0x97, 0xA3, 0xA3, 0xA3, 0xA3, 0xF3, 0x9B, 0xA3, 0xA3, 0xDC,
- 0xB9, 0xA7, 0xF1, 0x26, 0x26, 0x26, 0xD8, 0xD8, 0xFF
- };
- code unsigned char dmpcfgupddata[192] = {
- // dmp config
- // BANK OFFSET LENGTH [DATA]
- 0x03, 0x7B, 0x03, 0x4C, 0xCD, 0x6C,
- 0x03, 0xAB, 0x03, 0x36, 0x56, 0x76,
- 0x00, 0x68, 0x04, 0x02, 0xCB, 0x47, 0xA2,
- 0x02, 0x18, 0x04, 0x00, 0x05, 0x8B, 0xC1,
- 0x01, 0x0C, 0x04, 0x00, 0x00, 0x00, 0x00,
- 0x03, 0x7F, 0x06, 0x0C, 0xC9, 0x2C, 0x97, 0x97, 0x97,
- 0x03, 0x89, 0x03, 0x26, 0x46, 0x66,
- 0x00, 0x6C, 0x02, 0x20, 0x00,
- 0x02, 0x40, 0x04, 0x00, 0x00, 0x00, 0x00,
- 0x02, 0x44, 0x04, 0x00, 0x00, 0x00, 0x00,
- 0x02, 0x48, 0x04, 0x00, 0x00, 0x00, 0x00,
- 0x02, 0x4C, 0x04, 0x00, 0x00, 0x00, 0x00,
- 0x02, 0x50, 0x04, 0x00, 0x00, 0x00, 0x00,
- 0x02, 0x54, 0x04, 0x00, 0x00, 0x00, 0x00,
- 0x02, 0x58, 0x04, 0x00, 0x00, 0x00, 0x00,
- 0x02, 0x5C, 0x04, 0x00, 0x00, 0x00, 0x00,
- 0x02, 0xBC, 0x04, 0x00, 0x00, 0x00, 0x00,
- 0x01, 0xEC, 0x04, 0x00, 0x00, 0x40, 0x00,
- 0x03, 0x7F, 0x06, 0x0C, 0xC9, 0x2C, 0x97, 0x97, 0x97,
- 0x04, 0x02, 0x03, 0x0D, 0x35, 0x5D,
- 0x04, 0x09, 0x04, 0x87, 0x2D, 0x35, 0x3D,
- 0x00, 0xA3, 0x01, 0x00,
- 0x00, 0x00, 0x00, 0x01, //这里是开启DMP的特殊中断的
- //原程序中此行代码为(这里不一定错)
- //0x00, 0x00, 0x00, 0x01, 即LENGTH=0x00,有错
-
- 0x07, 0x86, 0x01, 0xFE,
- 0x07, 0x41, 0x05, 0xF1, 0x20, 0x28, 0x30, 0x38,
- 0x07, 0x7E, 0x01, 0x30,
- 0x07, 0x46, 0x01, 0x9A,
- 0x07, 0x47, 0x04, 0xF1, 0x28, 0x30, 0x38,
- 0x07, 0x6C, 0x04, 0xF1, 0x28, 0x30, 0x38,
- 0x02, 0x16, 0x02, 0x00, 0x01,
- /* 上行最后一个数据调整FIFO rate :0x01=100HZ,0x02=66HZ,0x03=50HZ ,0x04=40HZ,0x05=33.33HZ,
- // 可从 datasheet 公式推算
- //dmp updates
- 0x01, 0xB2, 0x02, 0xFF, 0xFF,
- 0x01, 0x90, 0x04, 0x09, 0x23, 0xA1, 0x35,
- 0x01, 0x6A, 0x02, 0x06, 0x00,
- 0x01, 0x60, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x60, 0x04, 0x40, 0x00, 0x00, 0x00,
- 0x01, 0x62, 0x02, 0x00, 0x00,
- 0x00, 0x60, 0x04, 0x00, 0x40, 0x00, 0x00*/
- };
- code unsigned char dmpUpdates[47]={
-
- 0x01, 0xB2, 0x02, 0xFF, 0xFF,
- 0x01, 0x90, 0x04, 0x09, 0x23, 0xA1, 0x35,
- 0x01, 0x6A, 0x02, 0x06, 0x00,
- 0x01, 0x60, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x60, 0x04, 0x40, 0x00, 0x00, 0x00,
- 0x01, 0x62, 0x02, 0x00, 0x00,
- 0x00, 0x60, 0x04, 0x00, 0x40, 0x00, 0x00
-
- };
- void DelayUs2x(unsigned char t) //延时1
- {
- while(--t);
- }
-
- void DelayMs(unsigned char t) //延时2
- {
-
- while(t--)
- {
- //大致延时1mS
- DelayUs2x(245);
- DelayUs2x(245);
- }
- }
-
- /*i2c基本协议*/
- /*i2c基本协议*/
- void i2_qs(void) //启始信号
- {
- sda = 1;
- scl = 1;
- _nop_();
- sda = 0;
- _nop_();_nop_();
- _nop_();_nop_();
- scl = 0;
- }
-
- void i2_tz() //停止信号
- {
- sda = 0;
- scl = 1;
- _nop_();_nop_();
- _nop_();_nop_();
- sda = 1;
- _nop_();
- }
- void i2_fs(unsigned char Data) //发送8位数据
- {
- unsigned char i=0;
- for(;i<8;i++)
- {
- Data <<= 1;
- sda = CY;
- scl = 1;
- _nop_();_nop_();
- _nop_();_nop_();
- scl = 0;
-
- }
- //下面是接收从设备发回的应答信号
- sda = 1;
- scl = 1;
- _nop_();_nop_();
- _nop_();_nop_();
- ack = sda; //接收设备的ack _n
- scl = 0;
- sda = 1;
- }
-
- unsigned char i2_js(bit _ack) //接收8位数据
- {
- unsigned char i = 0,Data = 0;
- for(;i<8;i++)
- {
- Data <<= 1;
- scl = 1;
- _nop_();_nop_();
- _nop_();_nop_();
- Data |= sda; //接收数据
- scl = 0;
- _nop_();
- }
- //下面时主控器发送ACK或则NAK
- sda = _ack; //ack或者nak
- scl = 1; //拉高时钟产生第9个时钟
- _nop_();_nop_();
- _nop_();_nop_();
- scl = 0; //拉底时钟
- sda = 1; //释放总线
- _nop_();
- return Data;
- }
- /*i2c协议基本*/
-
- /*写入8位寄存器一个字节
- 参数 addr 寄存器地址
- 参数 Data 写入数据
- 返回值 (1=成功,0=失败)
- */
- unsigned char i2cwrite(unsigned char addr,unsigned char Data) //写入8位有效数据
- {
- i2_qs(); //起始信号
- i2_fs(SlaveAddress); //设备地址+写信号
- if(ack) return 0; //判断是否是ACK如果不是返回0
- i2_fs(addr); //设备内部地址
- if(ack) return 0;
- i2_fs(Data); //写入的数据
- if(ack) return 0;
- i2_tz(); //停止信号
- return 1;
- }
- /*读取8位寄存器一个字节
- 参数 addr 寄存器地址
- 参数 *Data 数据存储地址
- 返回值 (1=成功,0=失败)
- */
- unsigned char i2cread(unsigned char addr,unsigned char *Data)
- {
- /*unsigned char Data1;
- i2_qs(); //起始信号
- i2_fs(SlaveAddress); //设备地址+写信号
- SendByte(ack);
- i2_fs(addr); //设备内部地址
- i2_qs(); //起始信号
- i2_fs(SlaveAddress+1); //设备地址+读信号
- *Data = i2_js(1); //读取数据
- i2_tz(); //停止信号*/
- return i2creads(addr,1,Data);
- }
- /*读取8位寄存器多个字节
- * @参数 addr I2C从器件内部地址
- * @参数 length 写入数据长度
- * @参数 Data 保存数据的地址
- * @返回值 返回状态 (1=成功)
- */
- unsigned char i2creads(unsigned char addr,unsigned char length,unsigned char *Data)
- {
- unsigned char i;
- length --;
- i2_qs(); //起始信号
- i2_fs(SlaveAddress); //设备地址+写信号
- if(ack) return 0;
- i2_fs(addr); //设备内部地址
- if(ack) return 0;
- i2_qs(); //起始信号
- i2_fs(SlaveAddress+1); //设备地址+读信号
- if(ack) return 0;
- for(i=0;i<length;i++)
- {
- Data[i]= i2_js(0); //读取数据,发送ACK
- }
- Data[length] = i2_js(1);//读取数据,发送NAK
- i2_tz(); //停止信号
- return 1;
- }
-
- /**写入8位寄存器的一个位。
- * @参数 addr I2C从器件内部地址
- * @参数 bitNum 写入的比特位(0-7)
- * @参数 data 写入数据
- * @返回值 返回状态 (1=成功)
- */
- unsigned char writeBit(unsigned char addr,unsigned char bitNum,unsigned char Data)
- {
- unsigned char b;
- if (i2cread(addr,&b))
- {
- b = (Data != 0) ? (b | (1 << bitNum)):(b & ~(1 << bitNum));
- return i2cwrite(addr,b); //写入数据
- }
- else
- return 0;
- }
- /**写入8位寄存器的多个位。
- * @参数 addr I2C从器件内部地址
- * @参数 bitStart 第一位的写入位置(0-7)
- * @参数 length 写的比特数(不超过8)
- * @参数 Data 写入数据
- * @返回值 返回状态 (1=成功)
- */
- unsigned char writeBits(unsigned char addr,unsigned char bitStart,unsigned char length,unsigned char Data)
- {
- // 010 要写入的值
- // 76543210 比特位
- // xxx args: bitStart=4, length=3
- // 00011100 掩码字节
- // 10101111 原始值(样本)
- // 10100011 原始值 & ~掩码
- // 10101011 掩码 | 原始值
- unsigned char b,mask=0;
- if (i2cread(addr,&b))
- {
- mask = (((1<<length) - 1) << (bitStart-length + 1)); //掩码
- Data <<=(bitStart - length + 1); //把写入的数据移动到位
- Data &= mask;
- b &= ~(mask);
- b |= Data;
- i2cwrite(addr,b); //写入数据
- return 1;
- }
- else
- return 0;
- }
- /**读取一个位从8位器件的寄存器。
- * @参数 addr I2C从器件内部地址
- * @参数 bitNum 位的位置来读取(0-7)
- * @参数 *data 数据存储地址
- * @返回值(1=成功)
- */
- unsigned char readBit(unsigned char addr,unsigned char bitNum,unsigned char *Data)
- {
- unsigned char b;
- if(i2cread(addr,&b))
- {
- *Data = b & (1 << bitNum);
- return 1;
- }
- else
- {
- return 0;
- }
- }
- /**读取8位寄存器的多个位。
- * @参数 addr I2C从器件内部地址
- * @参数 bitStart第一位的位置读取(0-7)
- * @参数 length 位读取@参数长度数(不超过8)
- * @参数 *data 数据存储地址(即'101'任何bitStart位置读取将等于0X05)
- * @返回值(1=成功)
- */
- unsigned char readBits(unsigned char addr,unsigned char bitStart,unsigned char length,unsigned char *Data)
- {
- // 01101001 读取字节
- // 76543210 比特位
- // xxx args: bitStart=4, length=3
- // 010 masked
- // -> 010 shifted
- unsigned char b,mask=0;
- if(i2cread(addr,&b))
- {
-
- mask = ((1 << length) - 1) << (bitStart - length + 1);
- b &= mask;
- b >>= (bitStart - length + 1);
- *Data = b;
- return 1;
- }
- else
- return 0;
- }
-
-
- /*void init6050() //初始化 6050
- {
- i2cwrite(0x6b,0x80); //电源管理(0x00 正常启用)
-
- i2cwrite(0x6b ,0x01); //No sleep , 3 PLL with X axis gyroscope reference电源管理
- DelayMs(200);
- i2cwrite(0x23 ,0x00); //FIFO 11111000 ,temp,gx,gy,gz,accel?
- i2cwrite(0x19 ,0x05); //陀螺仪采样率
- i2cwrite(0x1a ,0x03); //低通滤波
- i2cwrite(0x1b ,0x18); //陀螺仪自检,量程范围 2000 /s
- i2cwrite(0x1c ,0x00); //加速计自检,量程范围及 高通滤波频率 +-2g/s
- }
- */
-
- /*
- 加载 DMP代码到
- 返回值 (1=成功,0=失败)
- */
- unsigned char loadfirmware(void)
- {
- unsigned int datanum=0; //DMP固件写入标志位
- unsigned char ye,i,j;
- unsigned char bank=0; //段(256个数据一段)
- unsigned char addr=0;
-
- for(;bank<8;bank++)
- {
- if(bank == 7) //这里的作用就是区分最后一段数据
- i = 8;
- else
- i = 16;
- for(ye=0;ye<i;ye++)
- {
- i2cwrite(0x6d,bank);
- i2cwrite(0x6e,addr);
- i2_qs(); //起始信号
- i2_fs(SlaveAddress); //设备地址+写信号
- i2_fs(0x6f); //设备内部地址
- for(j=0;j<16;j++)
- {
- i2_fs(dmpmemorydata[datanum++]); //写入DMP的数据
- if(ack) return 0;
- }
- addr += 16;
- i2_tz(); //停止信号
- }
- }
- i2cwrite(0x6d,7);
- i2cwrite(0x6e,addr);
- i2_qs(); //起始信号
- i2_fs(SlaveAddress); //设备地址+写信号
- i2_fs(0x6f); //设备内部地址
- for(i=0;i<9;i++)
- {
- i2_fs(dmpmemorydata[datanum++]); //写入DMP的数据
- if(ack) return 0;
- }
- i2_tz(); //停止信号
- return 1;
- }
- unsigned char loadcfgupd(void) //DMP设置
- {
- unsigned char line; //一共需要写入30条设置数据
- unsigned char bank; //页
- unsigned char datacounts=0; //DMP设置数据标志位
- unsigned char bytes2write; //数据长度。
- unsigned char offset; //偏移地址
- unsigned char writingcounts; //数据写入标志与bytes2write一同使用
- unsigned char special;
-
- for (line=0;line<30;line++)
- {
- bank=dmpcfgupddata[datacounts++];
- offset=dmpcfgupddata[datacounts++];
- bytes2write=dmpcfgupddata[datacounts++];
- i2cwrite(0x6d,bank);
- i2cwrite(0x6e,offset);
- i2_qs(); //起始信号
- i2_fs(SlaveAddress); //设备地址+写信号
- i2_fs(0x6f); //设备内部地址
- for(writingcounts=0;writingcounts<bytes2write;writingcounts++)
- {
- i2_fs(dmpcfgupddata[datacounts++]); //写入DMP配置数据
- if(ack) return 0;
- }
- if(0 == bytes2write)
- {
- special=dmpcfgupddata[datacounts++];
- if(0x01 == special)
- {
- //设置零运动中断启用(真);
- //设置FIFO缓冲区溢出启用(真);
- //设置DMP启用(真);
- i2cwrite(0x38,0x32);
- }
- else
- return 0;
- }
- }
- i2_tz(); //停止信号
- return 1;
- }
- /*最后更新DMP*/
- unsigned char xdmpUpdates(unsigned char datacounts)
- {
- unsigned char writingcounts,bank,offset,bytes2write;
- bank=dmpUpdates[datacounts++];
- offset=dmpUpdates[datacounts++];
- bytes2write=dmpUpdates[datacounts++];
- i2cwrite(0x6d,bank);
- i2cwrite(0x6e,offset);
- i2_qs(); //起始信号
- i2_fs(SlaveAddress); //设备地址+写信号
- i2_fs(0x6f); //设备内部地址
- for(writingcounts=0;writingcounts<bytes2write;writingcounts++)
- {
- i2_fs(dmpUpdates[datacounts++]); //写入DMP配置数据
- if(ack) return 0;
- }
- i2_tz(); //停止信号
- return 0;
- }
- /*读取 FIFO 计数*/
- unsigned int getFIFOCount()
- {
- unsigned char i[2];
- i2creads(0x72,2,i);
- return ((i[0]<<8)+i[1]);
- }
- /*FIFO数据读取
- 参数 *Data 存储数据的地址
- 返回值 (1=读取成功,0读取失败)
- */
- unsigned char readdmp(unsigned char *Data)
- {
- return i2creads(0x74,42,Data);
- }
-
- //加载并配置 DMP 数字运动处理引擎
- unsigned char dmpInitialize(void)
- {
- unsigned char hwRevision,otpValid,mpuIntStatus/*fifoBuffer[128]*/;
- unsigned char xgOffsetTC,ygOffsetTC,zgOffsetTC;
- unsigned int fifoCount;
- writeBit(0x6B,7,1); //复位 MPU6050
- DelayMs(30);
- writeBit(0x6B,6,0); //禁止睡眠模式
- i2cwrite(0x6D,0x70); //写入一个字节数据到0x6d寄存器(选择用户 bank)
- i2cwrite(0x6E,0x06); //写入一个字节数据到0x6e寄存器(选择存储字节)
- i2cread(0x6F,&hwRevision); //读取
- i2cwrite(0x6D,0); //重置内存 bank 选择
- readBit(0x00,0,&otpValid); //读取 OTP bank 有效标志
- readBits(0x00,6,6,&xgOffsetTC); //读陀螺偏置TC值 X
- readBits(0x01,6,6,&ygOffsetTC); //读陀螺偏置TC值 Y)
- readBits(0x02,6,6,&zgOffsetTC); //读陀螺偏置TC值 Z
- i2cwrite(0x25,0x7f); //设置从0地址 0x7
- writeBit(0x6A,5,0); //禁用I2C主模式
- i2cwrite(0x25,0x68); //这里可能要改。还没有弄明白这里
- writeBit(0x6A,1,1); //I2C总线主控复位
- DelayMs(20);
- if((loadfirmware()) == 0 ) return 0; //加载 DMP代码到内存
- if((loadcfgupd()) == 0 ) return 0; //配制DMP
- writeBits(0x6B,2,3,0x03); //设置时钟脉冲源Z陀螺
- i2cwrite(0x38,0x12); //设置DMP和FIFO_OFLOW启用中断
- i2cwrite(0x19,4); //设置采样率为200 hz (1khz / (1 + 4) = 200 Hz)
- writeBits(0x1A,5,3,0x1); //设置外部帧同步TEMP_OUT_L[0]
- writeBits(0x1A,2,3,0x03); //设置DLPF带宽42赫兹
- writeBits(0x1B,4,2,0x03); //陀螺灵敏度设置为+ / - 2000 deg/sec
- i2cwrite(0x70,0x03); //设置DMP配置字节(功能未知)
- i2cwrite(0x71,0x00); //设置DMP配置字节(功能未知)
- writeBit(0x00,0,0); //清除OTP Bank 标志
- writeBits(0x00,6,6,xgOffsetTC); //设置X 陀螺抵消TCs之前的值
- writeBits(0x01,6,6,ygOffsetTC); //设置Y 陀螺抵消TCs之前的值
- writeBits(0x02,6,6,zgOffsetTC); //设置Z 陀螺抵消TCs之前的值
- xdmpUpdates(0); //最后更新1/7(函数未知)dmpUpdates数组第一行
- xdmpUpdates(5); //最后更新2/7(函数未知)dmpUpdates数组第二行
- writeBit(0x6A,2,1); //复位 FIFO
- fifoCount = getFIFOCount(); //读取 FIFO 计数
- //readdmp(fifoCount,fifoBuffer); //读取FIFO里的数据
- writeBit(0x6A,2,1); //复位 FIFO
-
- i2cwrite(0x1F,2); //运动检测阈值设置为2
- i2cwrite(0x21,156); //零运动检测阈值为156
- i2cwrite(0x20,80); //设置运动检测持续时间至80
- i2cwrite(0x22,0); //设置零运动检测时间0
- writeBit(0x6A,2,1); //复位 FIFO
- writeBit(0x6A,6,1); //使能 FIFO
- writeBit(0x6A,7,1); //使能 DMP
- writeBit(0x6A,3,1); //复位 DMP
- xdmpUpdates(12); //最后更新3/7(函数未知)dmpUpdates数组第三行
- xdmpUpdates(17); //最后更新4/7(函数未知)dmpUpdates数组第四行
- xdmpUpdates(28); //最后更新5/7(函数未知)dmpUpdates数组第五行
- while((fifoCount = getFIFOCount()) < 3); //等待 FIFO 计数 > 2
- writeBit(0x6A,2,1); //复位 FIFO
- //readdmp(fifoCount,fifoBuffer); //读取FIFO里的数据
- i2cread(0x3A,&mpuIntStatus); //读取中断状态
- xdmpUpdates(35); //最后更新6/7(函数未知)dmpUpdates数组第六行
- while((fifoCount = getFIFOCount()) < 3); //等待 FIFO 计数 > 2
- writeBit(0x6A,2,1); //复位 FIFO
- //readdmp(fifoCount,fifoBuffer); //读取FIFO里的数据
- i2cread(0x3A,&mpuIntStatus); //读取中断状态
- xdmpUpdates(40); //最后更新7/7(函数未知)dmpUpdates数组第七行
- writeBit(0x6A,7,0); //禁用DMP(稍后您打开它)
- writeBit(0x6A,2,1); //复位 FIFO
- i2cread(0x3A,&mpuIntStatus);
- //星期六 (2014/06/28)
- return 1;
- }
- /*初始化MPU6050*/
- void initMPU6050(void)
- {
- writeBits (0x6B,2,3,0x01); //电源管理
- writeBits (0x1B,4,2,0x00); //设置陀螺仪量程 250/s
- writeBits (0x1C,4,2,0x00); //设置加速度量程 2G
- writeBit (0x6B,6,1); //电源管理MUP进入睡眠模式
- }
- /*验证MPU6050连接*/
- unsigned char getDeviceID(void)
- {
- unsigned char b=0; //临时变量
- readBits(0x75,6,6,&b); //读取i2c固定地址,去掉最高位和最低位这两位数据
- return b == 0x34; //判断B是否等于0x34,如果等于返回1,不等于返回0(库的是0x38)
-
- }
- /**************************************串口**********************************/
- void CSH (void) //初始化串口
- {
-
- SCON = 0x50; // SCON: 模式 1, 8-bit UART, 使能接收
- TMOD |= 0x20; // TMOD: timer 1, mode 2, 8-bit 重装
- TH1 = 0xFD; // TH1: 重装值 9600 波特率 晶振 11.0592MHz
- TR1 = 1; // TR1: timer 1 打开
- EA = 1; //打开总中断
- //ES = 1; //打开串口中断
- }
- void SendByte(unsigned char dat) //发送一个字符
- {
- SBUF = dat; //SBUF 串行数据缓冲器
- while(!TI); //TI发送中断标志位 (当数据发送完毕后由硬件置 1 否则等待硬件置 1)
- TI = 0;
- }
- /************************************************************************************/
-
- void main(void)
- {
- unsigned char zd,i;
- CSH(); //初始化串口
- initMPU6050(); //初始化
- if (getDeviceID()) //验证连接是否正常(读取MPU6050的I2C地址)
- {
- if(!(dmpInitialize())) //加载并配置运动库
- while(1);
-
- }
- writeBit(0x6A,2,1); //复位 FIFO
- writeBit(0x6A,7,1); //使能DMP
- while(1)
- {
- i=getFIFOCount();//读取FIFO计数
- i2cread(0x3A,&zd); //读取中断状态
- if((zd & 0x10)||i==1024) //判断FIFO是否溢出
- {
- writeBit(0x6A,2,1); //复位 FIFO
- }
- else if (zd & 0x02)
- {
- while(i<42) i=getFIFOCount();
- readdmp(dmpdatas); //读取FIFO数据(四元数+其他的数据)
- SendByte(dmpdatas[0]);
- SendByte(dmpdatas[1]);
- SendByte(dmpdatas[4]);
- SendByte(dmpdatas[5]);
- SendByte(dmpdatas[8]);
- SendByte(dmpdatas[9]);
- SendByte(dmpdatas[12]);
- SendByte(dmpdatas[13]);
- }
-
- }
- }
注:使用此代码获取的四元数数据是16bit的整型数据。
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