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Merge branch 'siorpaes-master'

This commit is contained in:
Damien George 2014-08-26 17:31:21 +01:00
parent db63660c19 e00fb08f99
commit 6cf8dd4f51
1 changed files with 3 additions and 0 deletions
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3
stmhal/boards/STM32F4DISC/staccel.py
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@ -21,6 +21,7 @@ from pyb import SPI
READWRITE_CMD = const(0x80) READWRITE_CMD = const(0x80)
MULTIPLEBYTE_CMD = const(0x40) MULTIPLEBYTE_CMD = const(0x40)
LIS302DL_WHO_AM_I_ADDR = const(0x0f) LIS302DL_WHO_AM_I_ADDR = const(0x0f)
LIS302DL_WHO_AM_I_VAL = const(0x3b)
LIS302DL_CTRL_REG1_ADDR = const(0x20) LIS302DL_CTRL_REG1_ADDR = const(0x20)
LIS302DL_OUT_X = const(0x29) LIS302DL_OUT_X = const(0x29)
# Configuration for 100Hz sampling rate, +-2g range # Configuration for 100Hz sampling rate, +-2g range
@ -38,6 +39,8 @@ class STAccel:
self.cs_pin.high() self.cs_pin.high()
self.spi = SPI(1, SPI.MASTER, baudrate=328125, polarity=0, phase=1, bits=8) self.spi = SPI(1, SPI.MASTER, baudrate=328125, polarity=0, phase=1, bits=8)
self.wr(LIS302DL_CTRL_REG1_ADDR, bytearray([LIS302DL_CONF])) self.wr(LIS302DL_CTRL_REG1_ADDR, bytearray([LIS302DL_CONF]))
if self.read_id()[0] != LIS302DL_WHO_AM_I_VAL:
raise Exception('LIS302DL accelerometer not present')
def rd(self, addr, nbytes): def rd(self, addr, nbytes):
if nbytes > 1: if nbytes > 1: