I2C写Si5395
写page 例 0x01FF FF(page addr)
写addr + value 例 0xAABB AA(addr) BB(value)
#include#include #include #include #include #include #include #include #include #include #include #include #include #define I2C_DEV "/dev/i2c-0" #define I2C_SI5395 0x69 typedef struct _i2c_si5395_reg { unsigned int reg_addr; unsigned char reg_value; }i2c_si5395_reg_t; i2c_si5395_reg_t i2c_si5395_reg_value0[] = { {0x0B24, 0xC0}, {0x0B25, 0x00}, {0x0540, 0x01} }; i2c_si5395_reg_t i2c_si5395_reg_value1[] = { {0x0006, 0x00}, {0x0007, 0x00}, {0x0008, 0x00}, {0x000B, 0x68}, {0x0016, 0x02}, {0x0017, 0xDC}, {0x0018, 0xCC}, {0x0019, 0xDD}, {0x001A, 0xDF}, {0x002B, 0x02}, {0x002C, 0x03}, {0x002D, 0x00}, {0x002E, 0x48}, {0x002F, 0x00}, {0x0030, 0x48}, {0x0031, 0x00}, {0x0032, 0x00}, {0x0033, 0x00}, {0x0034, 0x00}, {0x0035, 0x00}, {0x0036, 0x02}, {0x0037, 0x00}, {0x0038, 0x02}, {0x0039, 0x00}, {0x003A, 0x00}, {0x003B, 0x00}, {0x003C, 0x00}, {0x003D, 0x00}, {0x003E, 0x30}, {0x003F, 0x33}, {0x0040, 0x04}, {0x0041, 0x0D}, {0x0042, 0x0E}, {0x0043, 0x00}, {0x0044, 0x00}, {0x0045, 0x0C}, {0x0046, 0x32}, {0x0047, 0x32}, {0x0048, 0x00}, {0x0049, 0x00}, {0x004A, 0x32}, {0x004B, 0x32}, {0x004C, 0x00}, {0x004D, 0x00}, {0x004E, 0x55}, {0x004F, 0x00}, {0x0050, 0x0F}, {0x0051, 0x03}, {0x0052, 0x03}, {0x0053, 0x00}, {0x0054, 0x00}, {0x0055, 0x03}, {0x0056, 0x03}, {0x0057, 0x00}, {0x0058, 0x00}, {0x0059, 0x05}, {0x005A, 0x55}, {0x005B, 0x55}, {0x005C, 0x4D}, {0x005D, 0x01}, {0x005E, 0x55}, {0x005F, 0x55}, {0x0060, 0xD0}, {0x0061, 0x00}, {0x0062, 0x00}, {0x0063, 0x00}, {0x0064, 0x00}, {0x0065, 0x00}, {0x0066, 0x00}, {0x0067, 0x00}, {0x0068, 0x00}, {0x0069, 0x00}, {0x0092, 0x02}, {0x0093, 0x90}, {0x0095, 0x00}, {0x0096, 0x80}, {0x0098, 0x60}, {0x009A, 0x02}, {0x009B, 0x50}, {0x009D, 0x00}, {0x009E, 0x40}, {0x00A0, 0x20}, {0x00A2, 0x00}, {0x00A9, 0xCE}, {0x00AA, 0x31}, {0x00AB, 0x00}, {0x00AC, 0x00}, {0x00E5, 0x00}, {0x00EA, 0x05}, {0x00EB, 0x30}, {0x00EC, 0x00}, {0x00ED, 0x00}, {0x0102, 0x01}, {0x0103, 0x02}, {0x0104, 0x09}, {0x0105, 0x3B}, {0x0106, 0x28}, {0x0108, 0x02}, {0x0109, 0x09}, {0x010A, 0x3B}, {0x010B, 0x28}, {0x010D, 0x02}, {0x010E, 0x09}, {0x010F, 0x3B}, {0x0110, 0x28}, {0x0112, 0x02}, {0x0113, 0x09}, {0x0114, 0x3B}, {0x0115, 0x28}, {0x0117, 0x02}, {0x0118, 0x09}, {0x0119, 0x3B}, {0x011A, 0x28}, {0x011C, 0x02}, {0x011D, 0x09}, {0x011E, 0x3B}, {0x011F, 0x28}, {0x0121, 0x02}, {0x0122, 0x09}, {0x0123, 0x3B}, {0x0124, 0x28}, {0x0126, 0x02}, {0x0127, 0x09}, {0x0128, 0x3B}, {0x0129, 0x28}, {0x012B, 0x02}, {0x012C, 0x09}, {0x012D, 0x3B}, {0x012E, 0x28}, {0x0130, 0x02}, {0x0131, 0x09}, {0x0132, 0x3B}, {0x0133, 0x28}, {0x0135, 0x01}, {0x0136, 0x09}, {0x0137, 0x3B}, {0x0138, 0x28}, {0x013A, 0x01}, {0x013B, 0x09}, {0x013C, 0x3B}, {0x013D, 0x28}, {0x013F, 0x00}, {0x0140, 0x00}, {0x0141, 0x40}, {0x0142, 0xFF}, {0x0206, 0x00}, {0x0208, 0x50}, {0x0209, 0x00}, {0x020A, 0x00}, {0x020B, 0x00}, {0x020C, 0x00}, {0x020D, 0x00}, {0x020E, 0x01}, {0x020F, 0x00}, {0x0210, 0x00}, {0x0211, 0x00}, {0x0212, 0x64}, {0x0213, 0x00}, {0x0214, 0x00}, {0x0215, 0x00}, {0x0216, 0x00}, {0x0217, 0x00}, {0x0218, 0x01}, {0x0219, 0x00}, {0x021A, 0x00}, {0x021B, 0x00}, {0x021C, 0x00}, {0x021D, 0x00}, {0x021E, 0x00}, {0x021F, 0x00}, {0x0220, 0x00}, {0x0221, 0x00}, {0x0222, 0x00}, {0x0223, 0x00}, {0x0224, 0x00}, {0x0225, 0x00}, {0x0226, 0x00}, {0x0227, 0x00}, {0x0228, 0x00}, {0x0229, 0x00}, {0x022A, 0x00}, {0x022B, 0x00}, {0x022C, 0x00}, {0x022D, 0x00}, {0x022E, 0x00}, {0x022F, 0x00}, {0x0231, 0x0B}, {0x0232, 0x0B}, {0x0233, 0x0B}, {0x0234, 0x0B}, {0x0235, 0x00}, {0x0236, 0x00}, {0x0237, 0x00}, {0x0238, 0xC0}, {0x0239, 0xDA}, {0x023A, 0x00}, {0x023B, 0x00}, {0x023C, 0x00}, {0x023D, 0x00}, {0x023E, 0xC0}, {0x0247, 0x04}, {0x0248, 0x00}, {0x0249, 0x00}, {0x024A, 0x04}, {0x024B, 0x00}, {0x024C, 0x00}, {0x024D, 0x04}, {0x024E, 0x00}, {0x024F, 0x00}, {0x0250, 0x13}, {0x0251, 0x00}, {0x0252, 0x00}, {0x0253, 0x13}, {0x0254, 0x00}, {0x0255, 0x00}, {0x0256, 0x13}, {0x0257, 0x00}, {0x0258, 0x00}, {0x0259, 0x03}, {0x025A, 0x00}, {0x025B, 0x00}, {0x025C, 0x03}, {0x025D, 0x00}, {0x025E, 0x00}, {0x025F, 0x03}, {0x0260, 0x00}, {0x0261, 0x00}, {0x0262, 0x03}, {0x0263, 0x00}, {0x0264, 0x00}, {0x0265, 0x00}, {0x0266, 0x00}, {0x0267, 0x00}, {0x0268, 0x00}, {0x0269, 0x00}, {0x026A, 0x00}, {0x026B, 0x00}, {0x026C, 0x00}, {0x026D, 0x00}, {0x026E, 0x00}, {0x026F, 0x00}, {0x0270, 0x00}, {0x0271, 0x00}, {0x0272, 0x00}, {0x028A, 0x00}, {0x028B, 0x00}, {0x028C, 0x00}, {0x028D, 0x00}, {0x028E, 0x00}, {0x028F, 0x00}, {0x0290, 0x00}, {0x0291, 0x00}, {0x0292, 0x3F}, {0x0293, 0x2F}, {0x0294, 0xC0}, {0x0296, 0x00}, {0x0297, 0x02}, {0x0299, 0x02}, {0x029D, 0xC2}, {0x029E, 0x01}, {0x029F, 0x00}, {0x02A9, 0x66}, {0x02AA, 0x02}, {0x02AB, 0x00}, {0x02B7, 0xFF}, {0x02BC, 0x00}, {0x0302, 0x00}, {0x0303, 0x00}, {0x0304, 0x00}, {0x0305, 0x00}, {0x0306, 0x07}, {0x0307, 0x00}, {0x0308, 0x00}, {0x0309, 0x00}, {0x030A, 0x00}, {0x030B, 0x80}, {0x030C, 0x00}, {0x030D, 0x00}, {0x030E, 0x00}, {0x030F, 0x00}, {0x0310, 0x00}, {0x0311, 0x00}, {0x0312, 0x00}, {0x0313, 0x00}, {0x0314, 0x00}, {0x0315, 0x00}, {0x0316, 0x00}, {0x0317, 0x00}, {0x0318, 0x00}, {0x0319, 0x00}, {0x031A, 0x00}, {0x031B, 0x00}, {0x031C, 0x00}, {0x031D, 0x00}, {0x031E, 0x00}, {0x031F, 0x00}, {0x0320, 0x00}, {0x0321, 0x00}, {0x0322, 0x00}, {0x0323, 0x00}, {0x0324, 0x00}, {0x0325, 0x00}, {0x0326, 0x00}, {0x0327, 0x00}, {0x0328, 0x00}, {0x0329, 0x00}, {0x032A, 0x00}, {0x032B, 0x00}, {0x032C, 0x00}, {0x032D, 0x00}, {0x032E, 0x00}, {0x032F, 0x00}, {0x0330, 0x00}, {0x0331, 0x00}, {0x0332, 0x00}, {0x0333, 0x00}, {0x0334, 0x00}, {0x0335, 0x00}, {0x0336, 0x00}, {0x0337, 0x00}, {0x0338, 0x00}, {0x0339, 0x1F}, {0x033B, 0x00}, {0x033C, 0x00}, {0x033D, 0x00}, {0x033E, 0x00}, {0x033F, 0x00}, {0x0340, 0x00}, {0x0341, 0x00}, {0x0342, 0x00}, {0x0343, 0x00}, {0x0344, 0x00}, {0x0345, 0x00}, {0x0346, 0x00}, {0x0347, 0x00}, {0x0348, 0x00}, {0x0349, 0x00}, {0x034A, 0x00}, {0x034B, 0x00}, {0x034C, 0x00}, {0x034D, 0x00}, {0x034E, 0x00}, {0x034F, 0x00}, {0x0350, 0x00}, {0x0351, 0x00}, {0x0352, 0x00}, {0x0353, 0x00}, {0x0354, 0x00}, {0x0355, 0x00}, {0x0356, 0x00}, {0x0357, 0x00}, {0x0358, 0x00}, {0x0359, 0x00}, {0x035A, 0x00}, {0x035B, 0x00}, {0x035C, 0x00}, {0x035D, 0x00}, {0x035E, 0x00}, {0x035F, 0x00}, {0x0360, 0x00}, {0x0361, 0x00}, {0x0362, 0x00}, {0x0487, 0x00}, {0x0508, 0x13}, {0x0509, 0x22}, {0x050A, 0x0D}, {0x050B, 0x0C}, {0x050C, 0x07}, {0x050D, 0x3F}, {0x050E, 0x17}, {0x050F, 0x2C}, {0x0510, 0x09}, {0x0511, 0x08}, {0x0512, 0x07}, {0x0513, 0x3F}, {0x0515, 0x00}, {0x0516, 0x00}, {0x0517, 0x00}, {0x0518, 0x00}, {0x0519, 0x80}, {0x051A, 0x03}, {0x051B, 0x00}, {0x051C, 0x00}, {0x051D, 0x00}, {0x051E, 0x00}, {0x051F, 0x80}, {0x0521, 0x2B}, {0x052A, 0x00}, {0x052B, 0x01}, {0x052C, 0x87}, {0x052D, 0x03}, {0x052E, 0x19}, {0x052F, 0x19}, {0x0531, 0x00}, {0x0532, 0x2B}, {0x0533, 0x04}, {0x0534, 0x00}, {0x0535, 0x00}, {0x0536, 0x00}, {0x0537, 0x00}, {0x0538, 0x00}, {0x0539, 0x00}, {0x053A, 0x01}, {0x053B, 0x03}, {0x053C, 0x00}, {0x053D, 0x04}, {0x053E, 0x02}, {0x0588, 0x07}, {0x0589, 0x0F}, {0x058A, 0x00}, {0x058B, 0x08}, {0x058C, 0x50}, {0x058D, 0x00}, {0x059B, 0x78}, {0x059C, 0x8C}, {0x059D, 0x13}, {0x059E, 0x24}, {0x059F, 0x0D}, {0x05A0, 0x0C}, {0x05A1, 0x07}, {0x05A2, 0x3F}, {0x05A4, 0x08}, {0x05A5, 0x00}, {0x05A6, 0x03}, {0x05AC, 0x09}, {0x05AD, 0xAA}, {0x05AE, 0x4A}, {0x05B1, 0x0E}, {0x05B2, 0x03}, {0x0802, 0x35}, {0x0803, 0x05}, {0x0804, 0x00}, {0x0805, 0x00}, {0x0806, 0x00}, {0x0807, 0x00}, {0x0808, 0x00}, {0x0809, 0x00}, {0x080A, 0x00}, {0x080B, 0x00}, {0x080C, 0x00}, {0x080D, 0x00}, {0x080E, 0x00}, {0x080F, 0x00}, {0x0810, 0x00}, {0x0811, 0x00}, {0x0812, 0x00}, {0x0813, 0x00}, {0x0814, 0x00}, {0x0815, 0x00}, {0x0816, 0x00}, {0x0817, 0x00}, {0x0818, 0x00}, {0x0819, 0x00}, {0x081A, 0x00}, {0x081B, 0x00}, {0x081C, 0x00}, {0x081D, 0x00}, {0x081E, 0x00}, {0x081F, 0x00}, {0x0820, 0x00}, {0x0821, 0x00}, {0x0822, 0x00}, {0x0823, 0x00}, {0x0824, 0x00}, {0x0825, 0x00}, {0x0826, 0x00}, {0x0827, 0x00}, {0x0828, 0x00}, {0x0829, 0x00}, {0x082A, 0x00}, {0x082B, 0x00}, {0x082C, 0x00}, {0x082D, 0x00}, {0x082E, 0x00}, {0x082F, 0x00}, {0x0830, 0x00}, {0x0831, 0x00}, {0x0832, 0x00}, {0x0833, 0x00}, {0x0834, 0x00}, {0x0835, 0x00}, {0x0836, 0x00}, {0x0837, 0x00}, {0x0838, 0x00}, {0x0839, 0x00}, {0x083A, 0x00}, {0x083B, 0x00}, {0x083C, 0x00}, {0x083D, 0x00}, {0x083E, 0x00}, {0x083F, 0x00}, {0x0840, 0x00}, {0x0841, 0x00}, {0x0842, 0x00}, {0x0843, 0x00}, {0x0844, 0x00}, {0x0845, 0x00}, {0x0846, 0x00}, {0x0847, 0x00}, {0x0848, 0x00}, {0x0849, 0x00}, {0x084A, 0x00}, {0x084B, 0x00}, {0x084C, 0x00}, {0x084D, 0x00}, {0x084E, 0x00}, {0x084F, 0x00}, {0x0850, 0x00}, {0x0851, 0x00}, {0x0852, 0x00}, {0x0853, 0x00}, {0x0854, 0x00}, {0x0855, 0x00}, {0x0856, 0x00}, {0x0857, 0x00}, {0x0858, 0x00}, {0x0859, 0x00}, {0x085A, 0x00}, {0x085B, 0x00}, {0x085C, 0x00}, {0x085D, 0x00}, {0x085E, 0x00}, {0x085F, 0x00}, {0x0860, 0x00}, {0x0861, 0x00}, {0x090E, 0x02}, {0x0943, 0x01}, {0x0949, 0x13}, {0x094A, 0x03}, {0x094E, 0x49}, {0x094F, 0xE2}, {0x095E, 0x00}, {0x0A02, 0x00}, {0x0A03, 0x01}, {0x0A04, 0x01}, {0x0A05, 0x01}, {0x0A14, 0x00}, {0x0A1A, 0x00}, {0x0A20, 0x00}, {0x0A26, 0x00}, {0x0A2C, 0x00}, {0x0A38, 0x00}, {0x0A39, 0x00}, {0x0A3A, 0x00}, {0x0A3C, 0x00}, {0x0A3D, 0x00}, {0x0A3E, 0x00}, {0x0A40, 0x00}, {0x0A41, 0x00}, {0x0A42, 0x00}, {0x0A44, 0x00}, {0x0A45, 0x00}, {0x0A46, 0x00}, {0x0A48, 0x00}, {0x0A49, 0x00}, {0x0A4A, 0x00}, {0x0A4C, 0x00}, {0x0A4D, 0x00}, {0x0A4E, 0x00}, {0x0A4F, 0x00}, {0x0A50, 0x00}, {0x0A51, 0x00}, {0x0A52, 0x00}, {0x0A53, 0x00}, {0x0A54, 0x00}, {0x0A55, 0x00}, {0x0A56, 0x00}, {0x0A57, 0x00}, {0x0A58, 0x00}, {0x0A59, 0x00}, {0x0A5A, 0x00}, {0x0A5B, 0x00}, {0x0A5C, 0x00}, {0x0A5D, 0x00}, {0x0A5E, 0x00}, {0x0A5F, 0x00}, {0x0B44, 0x2F}, {0x0B46, 0x00}, {0x0B47, 0x0C}, {0x0B48, 0x0C}, {0x0B4A, 0x1E}, {0x0B57, 0x0E}, {0x0B58, 0x01}, {0x0C02, 0x03}, {0x0C03, 0x03}, {0x0C07, 0x01}, {0x0C08, 0x01}, }; i2c_si5395_reg_t i2c_si5395_reg_value2[] = { {0x0514, 0x01}, {0x001C, 0x01}, {0x0540, 0x00}, {0x0B24, 0xC3}, {0x0B25, 0x02} }; static int i2c_page_write(int fd, unsigned char addr, unsigned int reg_addr) { int ret = 0; unsigned char outbuf[2] = {0}; struct i2c_rdwr_ioctl_data packets; struct i2c_msg messages; ioctl(fd, I2C_TIMEOUT, 1); ioctl(fd, I2C_RETRIES, 2); packets.nmsgs = 1; packets.msgs = &messages; outbuf[0] = 0x01; outbuf[1] = (unsigned char)((reg_addr >> 8) & 0x0f); //发送要写的page地址 messages.addr = addr; messages.flags = 0; messages.len = 2; messages.buf = outbuf; ret = ioctl(fd, I2C_RDWR, (unsigned long)&packets); if (ret < 0) { printf("ERROR WRITE PAGEn"); } return ret; } static int i2c_byte_write(int fd, unsigned char addr, unsigned int reg_addr, unsigned char reg_value) { int ret = 0; unsigned char outbuf[2] = {0}; struct i2c_rdwr_ioctl_data packets; struct i2c_msg messages; ioctl(fd, I2C_TIMEOUT, 1); ioctl(fd, I2C_RETRIES, 2); packets.nmsgs = 1; //数据帧类型只有一种，只需要发送一个起始信号，因此是1 packets.msgs = &messages; outbuf[0] = (unsigned char)(reg_addr & 0xff); outbuf[1] = reg_value; //发送要写的寄存器地址 messages.addr = addr; messages.flags = 0; messages.len = 2; //寄存器地址加数据，共发送2个字节 messages.buf = outbuf; printf("outbuf[0] = 0x%2x, outbuf[1] = 0x%2xn", outbuf[0], outbuf[1]); ret = ioctl(fd, I2C_RDWR, (unsigned long)&packets); if (ret < 0) { printf("ERROR WRITE:%d,addr = 0x%2x reg_addr = 0x%4x, reg_value = 0x%2xn", ret, addr, reg_addr, reg_value); } return ret; } static int i2c_byte_read(int fd, unsigned char addr, unsigned int reg_addr, unsigned char *reg_value) { int ret = 0; struct i2c_rdwr_ioctl_data packets; struct i2c_msg messages[2]; unsigned char outbuf = 0; ioctl(fd, I2C_TIMEOUT, 1); ioctl(fd, I2C_RETRIES, 2); outbuf = (unsigned char)(reg_addr & 0xff); packets.nmsgs = 2; packets.msgs = &messages[0]; //发送要读取的寄存器地址 messages[0].addr = addr; messages[0].flags = 0; messages[0].len = 1; messages[0].buf = &outbuf; messages[1].addr = addr; //i2c设备地址 messages[1].flags = 1; //读操作 messages[1].len = 1; //数据长度 messages[1].buf = reg_value; //读取的数据保存在reg_value ret = ioctl (fd, I2C_RDWR, (unsigned long)&packets); //与内核交互 if (ret < 0) { printf("ERROR READ:%d,addr = 0x%2x reg_addr = 0x%4xn", ret, addr, reg_addr); } return ret; } static int init_i2c_si5395_text(int fd, i2c_si5395_reg_t *i2c_si5395_reg_value, int array_size) { int pos = 0; unsigned char value = 0; int old_page_num = 0xff, cur_page_num = 0; printf("Si5395 reg size is %dn", array_size); i2c_si5395_reg_t* p = i2c_si5395_reg_value; for (pos = 0; pos < array_size; pos++){ printf("************************************n"); cur_page_num = (p->reg_addr >> 8) & 0x0f; if (old_page_num != cur_page_num) { i2c_page_write(fd, I2C_SI5395, p->reg_addr); printf("page = 0x%x, old_page_num = 0x%xn", cur_page_num, old_page_num); old_page_num = cur_page_num; } i2c_byte_read(fd, I2C_SI5395, p->reg_addr, &value); printf("READ: addr = 0x69, reg_addr = 0x%4x, new_value = 0x%2xn", p->reg_addr, value); usleep(10*1000); i2c_byte_write(fd, I2C_SI5395, p->reg_addr, p->reg_value); printf("WRITE: addr = 0x69, reg_addr = 0x%4x, reg_value = 0x%2xn", p->reg_addr, p->reg_value); usleep(10*1000); i2c_byte_read(fd, I2C_SI5395, p->reg_addr, &value); printf("READ: addr = 0x69, reg_addr = 0x%4x, new_value = 0x%2xn", p->reg_addr, value); usleep(10*1000); p++; } } static int init_i2c_si5395(void) { int fd; int array_size = 0; fd = open(I2C_DEV, O_RDWR); if (fd < 0) { printf("failed to open %sn", I2C_DEV); return (-1); } array_size = sizeof(i2c_si5395_reg_value0) / sizeof(i2c_si5395_reg_t); init_i2c_si5395_text(fd, i2c_si5395_reg_value0, array_size); usleep(300*1000); array_size = sizeof(i2c_si5395_reg_value1) / sizeof(i2c_si5395_reg_t); init_i2c_si5395_text(fd, i2c_si5395_reg_value1, array_size); array_size = sizeof(i2c_si5395_reg_value2) / sizeof(i2c_si5395_reg_t); init_i2c_si5395_text(fd, i2c_si5395_reg_value2, array_size); close(fd); return 0; } int main(int argc, char *argv[]) { printf("i2c_si5395 by fish.n"); init_i2c_si5395(); return 0; }
