MCC DAQ HAT Library

https://mccdaq.github.io/daqhats/
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The MCC DAQ HAT Library provides C and Python APIs and tools for interfacing with MCC DAQ HAT data...
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### Build and install the library

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

Runs the install script from the daqhats directory. The installer detects the HAT board EEPROMs and saves their contents if needed.

```bash
cd ~/daqhats
sudo ./install.sh
```

--------------------------------

### Install git

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

Installs the git package, required to clone the daqhats repository.

```bash
sudo apt install git
```

--------------------------------

### Install daqhats in a virtual environment

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

Creates a virtual environment and installs the daqhats package in it. Replace <path_to_venv> with the desired venv location.

```bash
python -m venv <path_to_venv>
<path_to_venv>/bin/pip install daqhats
```

--------------------------------

### Install daqhats Python library system-wide

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

Installs the daqhats Python package system-wide with pip. On recent Python versions, appending --break-system-packages may be required.

```bash
sudo pip install daqhats
```

--------------------------------

### Display installed daqhats version

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

Runs the daqhats_version command to show the installed version of the package.

```bash
daqhats_version
```

--------------------------------

### Update packages and reboot

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

Optional step to update all installed packages and reboot the Raspberry Pi. Re-run this if errors occur during installation.

```bash
sudo apt full-upgrade
sudo reboot
```

--------------------------------

### Update package list

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

Run this command to update the package list on the Raspberry Pi, as the first step of the installation process.

```bash
sudo apt update
```

--------------------------------

### Clone daqhats repository

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

Clones the daqhats GitHub repository into the current user's home folder, as part of the installation steps.

```bash
cd ~
git clone https://github.com/mccdaq/daqhats.git
```

--------------------------------

### Update package list

Source: https://mccdaq.github.io/daqhats/install.html

Updates the package list on the Raspberry Pi before installing the daqhats library.

```bash
sudo apt update

```

--------------------------------

### Include daqhats header in C code

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

The include line to add to C source code so the daqhats header is found. The headers are installed in /usr/local/include/daqhats.

```c
#include <daqhats/daqhats.h>
```

--------------------------------

### Update MCC 118 firmware

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

Updates the firmware on the MCC 118 installed at address 0. Repeat the command for each MCC 118 address in the board stack.

```bash
mcc118_firmware_update 0 ~/daqhats/tools/MCC_118.hex
```

--------------------------------

### Update MCC 128 firmware with mcc128_firmware_update

Source: https://mccdaq.github.io/daqhats/overview.html

Updates the firmware on an MCC 128 board installed at address 0. Repeat the command for each MCC 128 address in your board stack, replacing the address and firmware path as needed.

```bash
mcc128_firmware_update 0 ~/daqhats/tools/MCC_128.fw

```

--------------------------------

### Update saved EEPROM images

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

Run sudo daqhats_read_eeproms to update the saved EEPROM images, required when the board stack changes and more than one HAT board is attached.

```bash
sudo daqhats_read_eeproms
```

--------------------------------

### Uninstall daqhats

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

Runs the uninstall script from the daqhats directory to remove the package.

```bash
cd ~/daqhats
sudo ./uninstall.sh
```

--------------------------------

### Read EEPROMs

Source: https://mccdaq.github.io/daqhats/install.html

Updates the saved EEPROM images for the library when the board stackup changes and more than one HAT board is attached.

```bash
sudo daqhats_read_eeproms

```

--------------------------------

### Update kernel for Raspberry Pi 5 ioctl errors

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

Run sudo rpi-update to update the kernel if ioctl errors are seen when running on a Raspberry Pi 5.

```bash
sudo rpi-update
```

--------------------------------

### List detected DAQ HATs

Source: https://mccdaq.github.io/daqhats/_sources/install.rst.txt

Displays a list of the detected boards using the daqhats_list_boards command.

```bash
daqhats_list_boards
```

--------------------------------

### Update kernel on Raspberry Pi 5

Source: https://mccdaq.github.io/daqhats/install.html

Updates the kernel on a Raspberry Pi 5 if ioctl errors occur when running the daqhats library.

```bash
sudo rpi-update

```

--------------------------------

### Update MCC 172 firmware with mcc172_firmware_update

Source: https://mccdaq.github.io/daqhats/overview.html

Updates the firmware on the MCC 172 board at address 0. The '0' is the board address; repeat the command for each MCC 172 address in the board stack.

```bash
mcc172_firmware_update 0 ~/daqhats/tools/MCC_172.fw
```
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