it finds device on i2c

2023-12-20 16:40:22 +00:00 · 2023-12-20 16:40:22 +00:00 · 5e2e85695c
commit 5e2e85695c
parent effa278a05
1 changed files with 22 additions and 0 deletions
--- a/lis3dh.py
+++ b/lis3dh.py
@ -0,0 +1,22 @@
+# LIS3DH
+
+from time import sleep
+from machine import I2C
+import struct
+
+LIS3DH_I2C_ADDR = 0x18
+
+sda_pin = machine.Pin(16) 
+scl_pin = machine.Pin(17)
+
+i2c = I2C(0, scl=scl_pin, sda=sda_pin, freq=400000)
+
+def read(reg,  n):
+    return i2c.readfrom_mem(LIS3DH_I2C_ADDR, reg, n)
+
+def write(reg, val):
+    i2c.writeto_mem(LIS3DH_I2C_ADDR, reg, val)
+
+# WHO_AM_I
+if read(0x0F, 1)[0] == 0x33:
+    print("found LIS3DH")