CC1310的模拟串口问题

目前在使用TICC13x0系列芯片开发,CC13x0系列的芯片只有一个硬件串口,CC13x2系列的芯片有两个硬件串口。但是目前为止,TICC13x2系列芯片还没有正式量产。

目前使用的是CC1310芯片,正常情况下串口被用来输出调试信息,一般一个串口也是够用了的。但是最近需要增加一个串口的语音合成模块SYN6288,这样一来,一个串口就不怎么够用了。

Google搜索了一下,发现CC1310可以软件模拟出第二个串口出来。

继续阅读CC1310的模拟串口问题

Ubuntu 16.04软件中心安装的Arduino IDE报告错误 – avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied

最近要使用Arduino开发一个读取电压的装置,新电脑上没有安装Arduino IDE,因此,从Ubuntu 16.04软件中心中搜索找到一个名为arduino-mhall119的软件,如下图所示:
继续阅读Ubuntu 16.04软件中心安装的Arduino IDE报告错误 – avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied

树梅派2B启用I2C

树梅派自带I2C控制器,但是默认没有启用,我们需要手工启用,具体操作如下:

I2C is a very commonly used standard designed to allow one chip to talk to another. So, since the Raspberry Pi can talk I2C we can connect it to a variety of I2C capable chips and modules.Here are some of the Adafruit projects that make use of I2C devices and modules:

The I2C bus allows multiple devices to be connected to your Raspberry Pi, each with a unique address, that can often be set by changing jumper settings on the module. It is very useful to be able to see which devices are connected to your Pi as a way of making sure everything is working.

To do this, it is worth running the following commands in the Terminal to install the i2c-tools utility.

Installing Kernel Support (with Raspi-Config)

继续阅读树梅派2B启用I2C