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William Clark 2023-12-26 22:57:02 +00:00
parent d3b6c912dd
commit b513cbd5d0
22 changed files with 23 additions and 51200 deletions
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README.md
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@ -53,18 +53,24 @@ x: 0.5480, y: -0.8960, z: -0.0960 mag: 1.0547
> ### Notes > ### Notes
> FIFO is always and only 10-bit > FIFO is always and only 10-bit
### Noise at 2G ### Noise at 2G
![DC noise at 2G](.gitea/graph-2g.png) ![DC noise at 2G](.gitea/graph-2g.png)
![DC noise at 2G](.gitea/graph-2g-filter.png)
### Noise at 4G ### Noise at 4G
![DC noise at 4G](.gitea/graph-4g.png) ![DC noise at 4G](.gitea/graph-4g.png)
![DC noise at 2G](.gitea/graph-4g-filter.png)
### Noise at 8G ### Noise at 8G
![DC noise at 8G](.gitea/graph-8g.png) ![DC noise at 8G](.gitea/graph-8g.png)
![DC noise at 2G](.gitea/graph-8g-filter.png)
### Noise at 16G ### Noise at 16G
![DC noise at 16G](.gitea/graph-16g.png) ![DC noise at 16G](.gitea/graph-16g.png)
![DC noise at 2G](.gitea/graph-16g-filter.png)
## Using i2c on STM32 ## Using i2c on STM32
Simple example code Simple example code
```c ```c

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plot.gp
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@ -22,3 +22,20 @@ do for [g in "2g 4g 8g 16g"] {
stub."200.txt" u n(4) w p ps 0.3 t "200 Hz", \ stub."200.txt" u n(4) w p ps 0.3 t "200 Hz", \
stub."400.txt" u n(4) w p ps 0.3 t "400 Hz", \ stub."400.txt" u n(4) w p ps 0.3 t "400 Hz", \
} }
set ylabel "|[x y z]|"
set xlabel "Samples over time"
set yrange [-0.1:0.1]
do for [g in "2g 4g 8g 16g"] {
name = sprintf("graph-%s-filter", g)
out = sprintf("%s.png", name)
stub = sprintf("data/filt_%s_", g)
set title sprintf("[%s AUTORESET filter] comparison of f_{cutoff} DC acc. removal", g)
set output out
plot stub."1.txt" u n(4) w p ps 0.3 t "1", \
stub."2.txt" u n(4) w p ps 0.3 t "2", \
stub."4.txt" u n(4) w p ps 0.3 t "4", \
stub."8.txt" u n(4) w p ps 0.3 t "8", \
}