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STM32F103C8T6-SI4432_SMT点对点无线透传

时间 2015年 2月20日

测试者:Haven

SI4432型号:XL_4432-SMT(板载弹簧天线)

底板电路:借用 QS_TS1630_CTRL_V1.2_MB电路板

程序可配置0.96′OLED

OLED型号:0.96寸 四线SPI接口(模拟SPI) 七脚排针

最终目地:

  1. 采用串口1与外部进行通信,可传输接收任意长度数据;
  2. 将接收后的数据无条件发送给指定地址的si4422模块;
  3. 接收模块收到数据后无条件的将有效数据通过串口1的DMA传出;即:基于SI4432的点对点串口透传模块

实现功能:

首次实现SI4432的无线通信功能,上电后模块皆为接受状态,当PA8被触发到低电平后模块向外发射数据,只是基本通信功能的实现,不存在地址码与通信协议。

采用串口1与PC通信

  • 2月27日 调通串口1的任意数据长度接收
  • 2月27日 调通串口1的DMA发送
  • 2月27日 首次完成串口透传(没有地址)

SI4432电气连接信息

GND------------>GND
SDN------------>PB11
NIRQ----------->PB10
NSEL----------->PB12
SCLK----------->PB13(SPI2)
SDI------------>PB15(SPI2)
SDO------------>PB14(SPI2)
VCC------------>VCC3.3(1.8~3.6v)

OLED接线信息

GND------------>GND
VCC------------>VCC3.3
D0(SCLK) ------>PB0
D1(SDIN) ------>PB1
RST------------>PB14
DC------------->PC8
CS------------->PC9

注意:

STM32F103C8/RB/RC等低端芯片均建议采用此模板进行软件开发

许可

MIT © havenxie

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