图目录
图 4-1 系统框图....................................................................................................2
图 5-1 MSP430G2553 微控制器结构..................................................................2
图 5-2 ADC10 总体结构框图 ..............................................................................3
图 5-3 LCD 控制流程...........................................................................................4
图 5-4 LCD 驱动模块...........................................................................................4
图 5-5 基于 I2C 的 IO 扩展 ................................................................................4
图 5-6 全桥结构图...............................................................................................5
图 5-7 LM324 实物俯视图...................................................................................7
图 5-8 LM324 内部透视图...................................................................................7
图 5-9 元件图.......................................................................................................7
图 5-10 TL431 的实物..........................................................................................7
图 5-11 TL431 的使用方法..................................................................................8
图 5-12 AD620......................................................................................................8
图 5-13 恒压源、电桥模块.................................................................................9
图 5-14 电桥及调零电路.....................................................................................9
图 5-15 放大电路...............................................................................................10
图 5-16 按键使用...............................................................................................11
图 5-17 128 段液晶显示.....................................................................................11
图 6-1 看门狗定时中断.....................................................................................12
图 6-2 ADC10 中断流程图 ................................................................................12
图 6-3 主函数流程图.........................................................................................13
图 6-4 通过 Grace 配置 ADC10........................................................................14
图 6-5 ADC10 相关时钟配置 ............................................................................14
图 6-6 显示函数流程图.....................................................................................15
图 7-1 电桥调零.................................................................................................16
图 7-2 实际电子秤示数.....................................................................................16
图 7-3 程序烧录验证.........................................................................................17
图 7-4 万用表显示与 LCD 显示值记录...........................................................17
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