1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
#
# Copyright (c) 2024 Analog Devices Inc.
#
# This file is part of libm2k
# (see http://www.github.com/analogdevicesinc/libm2k).
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 2.1 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import libm2k
'''
SPI Config:
CLK - DIO_0
MOSI - DIO_1
MISO - DIO_3
CS - DIO_2
'''
def main():
context = libm2k.m2kOpen()
if context is None:
print('Connection Error: No ADALM2000 device available/connected to your PC.')
exit(1)
digital = context.getDigital()
# setup SPI
m2k_spi_init = libm2k.m2k_spi_init()
m2k_spi_init.clock = 0
m2k_spi_init.mosi = 1
m2k_spi_init.miso = 3
m2k_spi_init.bit_numbering = libm2k.MSB
m2k_spi_init.cs_polarity = libm2k.ACTIVE_LOW
m2k_spi_init.context = context
spi_init_param = libm2k.spi_init_param()
spi_init_param.max_speed_hz = 1000000
spi_init_param.mode = libm2k.SPI_MODE_0
spi_init_param.chip_select = 2
spi_init_param.extra = m2k_spi_init
spi_desc = libm2k.spi_init(spi_init_param)
if spi_desc is None:
print('SPI Error: Could not configure SPI')
exit(1)
data = bytearray([0x4A, 0xF1])
buffer = libm2k.spi_create_buffer(spi_desc, data)
print(f'Digital buffer: {buffer}')
# here can be modified the data inside the digital buffer
# transmitting data
libm2k.spi_write_and_read_samples(spi_desc, buffer, data)
print(f'Received data: {data}') # received data
libm2k.spi_remove(spi_desc)
libm2k.contextClose(context, True)
if __name__ == "__main__":
main()
|
