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| resources:tools-software:linux-drivers:iio-dac:ad5380 [14 Nov 2011 12:00] – created Lars-Peter Clausen | resources:tools-software:linux-drivers:iio-dac:ad5380 [05 Jan 2021 16:08] (current) – Removed old references Ioana Chelaru | ||
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| Line 11: | Line 11: | ||
| * [[adi> | * [[adi> | ||
| * [[adi> | * [[adi> | ||
| - | |||
| - | ===== Reference Circuits ===== | ||
| - | |||
| - | * [[adi> | ||
| - | * [[adi> | ||
| - | * [[adi> | ||
| - | * [[adi> | ||
| - | * [[adi> | ||
| - | * [[adi> | ||
| - | * [[adi> | ||
| - | * [[adi> | ||
| - | * [[adi> | ||
| - | * [[adi> | ||
| ===== Evaluation Boards ===== | ===== Evaluation Boards ===== | ||
| * [[adi> | * [[adi> | ||
| - | * [[adi> | ||
| * [[adi> | * [[adi> | ||
| - | * [[adi> | ||
| * [[adi> | * [[adi> | ||
| * [[adi> | * [[adi> | ||
| Line 45: | Line 30: | ||
| ===== Status ===== | ===== Status ===== | ||
| - | ^ Source | + | ^ Source ^ Mainlined? ^ |
| - | | [[bfgit>linux-kernel?drivers/staging/ | + | | [[git.linux.org>drivers/ |
| ===== Files ===== | ===== Files ===== | ||
| ^ Function ^ File ^ | ^ Function ^ File ^ | ||
| - | | driver | + | | driver |
| ====== Example platform device initialization ====== | ====== Example platform device initialization ====== | ||
| Line 155: | Line 140: | ||
| Depending on the converter IC used, you may need to set the modalias accordingly, | Depending on the converter IC used, you may need to set the modalias accordingly, | ||
| - | <note>The part name needs a -3 or -5 depending on whether a 1.25V or 2.5V internal reference is used. E.g. " | + | <WRAP round help>The part name needs a -3 or -5 depending on whether a 1.25V or 2.5V internal reference is used. E.g. " |
| The I2C device id depends on the AD0 and AD1 pin settings and needs to be set according to your board setup. | The I2C device id depends on the AD0 and AD1 pin settings and needs to be set according to your board setup. | ||
| Line 198: | Line 183: | ||
| "make qconfig" | "make qconfig" | ||
| - | <note> | + | <WRAP round help> |
| The AD5380 Driver depends on **CONFIG_SPI_MASTER** or **CONFIG_I2C** | The AD5380 Driver depends on **CONFIG_SPI_MASTER** or **CONFIG_I2C** | ||
| - | </note> | + | </WRAP> |
| < | < | ||
| Linux Kernel Configuration | Linux Kernel Configuration | ||
| - | Device Drivers | + | |
| - | [*] Staging drivers | + | ... |
| - | < | + | < |
| - | | + | --- Industrial I/O support |
| - | -*- | + | ... |
| - | -*- | + | Digital to analog |
| - | -*- | + | ... |
| - | + | < | |
| - | *** Digital to analog | + | ... |
| - | [--snip--] | + | ... |
| - | + | ... | |
| - | | + | |
| - | + | ||
| - | [--snip--] | + | |
| </ | </ | ||
| - | |||
| ====== Hardware configuration ====== | ====== Hardware configuration ====== | ||
| Line 228: | Line 208: | ||
| {{page> | {{page> | ||
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/> **cd / | root:/> **cd / | ||
| Line 256: | Line 236: | ||
| lrwxrwxrwx | lrwxrwxrwx | ||
| -rw-r--r-- | -rw-r--r-- | ||
| - | </ | + | </ |
| === Show device name === | === Show device name === | ||
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/ | root:/ | ||
| ad5380 | ad5380 | ||
| - | </ | + | </ |
| === Show scale === | === Show scale === | ||
| - | **Description: | + | **Description: |
| - | scale to be applied to out_voltage0_raw | + | scale to be applied to out_voltageY_raw |
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/ | root:/ | ||
| 0.305000 | 0.305000 | ||
| - | </ | + | </ |
| === Set channel Y output voltage === | === Set channel Y output voltage === | ||
| **Description: | **Description: | ||
| - | / | + | / |
| Raw (unscaled, no bias etc.) output voltage for | Raw (unscaled, no bias etc.) output voltage for | ||
| channel Y. | channel Y. | ||
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/ | root:/ | ||
| - | </ | + | </ |
| **U** = // | **U** = // | ||
| Line 300: | Line 280: | ||
| Each channel has an adjustable gain which can be used to calibrate the channel' | Each channel has an adjustable gain which can be used to calibrate the channel' | ||
| - | If scale calibration is used the following formula can be used calculate the output voltage: | + | If scale calibration is used the following formula can be used calculate the output voltage: |
| **U** = //( ( out_voltageY_raw * ( out_voltageY_calibscale + 2) ) / 2^14 + out_voltageY_calibbias ) * out_voltageY_scale// | **U** = //( ( out_voltageY_raw * ( out_voltageY_calibscale + 2) ) / 2^14 + out_voltageY_calibbias ) * out_voltageY_scale// | ||
| Line 310: | Line 290: | ||
| Each channel has an adjustable offset which can be used to calibrate the channel' | Each channel has an adjustable offset which can be used to calibrate the channel' | ||
| - | If offset calibration is used the following formula can be used calculate the output voltage: | + | If offset calibration is used the following formula can be used calculate the output voltage: |
| **U** = //( ( out_voltageY_raw * ( out_voltageY_calibscale + 2 ) ) / 2^14 + out_voltageY_calibbias ) * out_voltageY_scale// | **U** = //( ( out_voltageY_raw * ( out_voltageY_calibscale + 2 ) ) / 2^14 + out_voltageY_calibbias ) * out_voltageY_scale// | ||
| Line 321: | Line 301: | ||
| normal operation. | normal operation. | ||
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/ | root:/ | ||
| Line 329: | Line 309: | ||
| root:/ | root:/ | ||
| 0 | 0 | ||
| - | </ | + | </ |
| === List available power down modes === | === List available power down modes === | ||
| Line 338: | Line 318: | ||
| Lists all available output power down modes. | Lists all available output power down modes. | ||
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/ | root:/ | ||
| 100kohm_to_gnd three_state | 100kohm_to_gnd three_state | ||
| - | </ | + | </ |
| === Set power down mode === | === Set power down mode === | ||
| Line 356: | Line 336: | ||
| For a list of available output power down options read | For a list of available output power down options read | ||
| - | out_voltage_powerdown_mode_available. | + | out_voltage_powerdown_mode_available. |
| - | < | + | <WRAP box bggreen>< |
| < | < | ||
| root:/ | root:/ | ||
| root:/ | root:/ | ||
| three_state | three_state | ||
| - | </ | + | </ |
| ====== More Information ====== | ====== More Information ====== | ||
| {{page> | {{page> | ||
resources/tools-software/linux-drivers/iio-dac/ad5380.1321268449.txt.gz · Last modified: 14 Nov 2011 12:00 (external edit)