49.3. QEIV2 Sin/Cos Encoder
49.3.1. 概述
Qeiv2 Sin/Cos Encoder工程主要演示配置Sin/Cos编码器并获取其数据，然后通过串口终端将数据打印出来。
49.3.2. 配置
使用信号发生器生成一组Sin和Cos正余弦波，二者的频率为1kHz、峰峰值为3V、中心偏移为1.65V，二者的相位相差90°。
将Cos信号输入至ADC0的CH4，将Sin信号输入至ADC1的CH5。
49.3.3. 运行现象
Sin和Cos正余弦波的注入，相当于模拟编码器在匀速旋转。
上电后，打开串口终端，打印启动信息。
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$$\ $$\ $$$$$$$\ $$\ $$\ $$\
$$ | $$ |$$ __$$\ $$$\ $$$ |\__|
$$ | $$ |$$ | $$ |$$$$\ $$$$ |$$\ $$$$$$$\ $$$$$$\ $$$$$$\
$$$$$$$$ |$$$$$$$ |$$\$$\$$ $$ |$$ |$$ _____|$$ __$$\ $$ __$$\
$$ __$$ |$$ ____/ $$ \$$$ $$ |$$ |$$ / $$ | \__|$$ / $$ |
$$ | $$ |$$ | $$ |\$ /$$ |$$ |$$ | $$ | $$ | $$ |
$$ | $$ |$$ | $$ | \_/ $$ |$$ |\$$$$$$$\ $$ | \$$$$$$ |
\__| \__|\__| \__| \__|\__| \_______|\__| \______/
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qeiv2 sincos encoder example
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x8c12be00, ph:0x3
ch0:0xea4, ch1:0x5d64, pos:0x718257c, ang:0x94756100, ph:0x3
ch0:0x17e1, ch1:0x46d4, pos:0x728eac2, ang:0x94756100, ph:0x3
ch0:0x17e1, ch1:0x46d4, pos:0x728eac2, ang:0x94756100, ph:0x3
ch0:0x17e1, ch1:0x46d4, pos:0x728eac2, ang:0x94756100, ph:0x3
ch0:0x17e1, ch1:0x46d4, pos:0x728eac2, ang:0x94756100, ph:0x3
ch0:0x17e1, ch1:0x46d4, pos:0x728eac2, ang:0x94756100, ph:0x3
ch0:0x17e1, ch1:0x46d4, pos:0x728eac2, ang:0x94756100, ph:0x3
当上述打印完毕后，将周期性打印如下信息，即模拟编码器每转一圈，输出位置信息一次。
z: 0x0
phase: 0x80000040
position: 0x8004a42a
ang: 0x2521500
z: 0x15
phase: 0x80000040
position: 0x800373a6
ang: 0x1b9d300
z: 0x16
phase: 0x80000040
position: 0x8001b834
ang: 0xdc1a00
z: 0x17
phase: 0x80000040
position: 0x80113a66
ang: 0x89d3300
z: 0x18
phase: 0x80000040
position: 0x800f8dfc
ang: 0x7c6fe00
z: 0x19
phase: 0x80000040
position: 0x800dde1e
ang: 0x6ef0f00
z: 0x1a
phase: 0x80000040
position: 0x800c0d92
ang: 0x606c900
z: 0x1b