def buddy_set_pwm_duty_value(channel, value, sample_rate=1000, streaming=False):
hid_handle = buddy_open()
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_PWM_ENABLE
general_settings.mode = bt.MODE_CTRL_IMMEDIATE
general_settings.channel_mask = (1 << int(channel))
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
timing_settings.period = bt.FREQUENCY_TO_NSEC(int(sample_rate))
runtime_settings.pwm_mode = bt.RUNTIME_PWM_MODE_DUTY_CYCLE
runtime_settings.pwm_timebase = bt.RUNTIME_PWM_TIMEBASE_SYSCLK
if (bt.buddy_configure(hid_handle,
general_settings,
runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
return -1
packet = bt.general_packet_t()
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, int(value))
if (bt.buddy_send_pwm(hid_handle, packet, streaming) != bt.BUDDY_ERROR_CODE_OK):
return -1
time.sleep(0.1)
bt.buddy_flush(hid_handle)
def buddy_set_pwm_duty_value(channel,
value,
sample_rate=1000,
streaming=False):
hid_handle = buddy_open()
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_PWM_ENABLE
general_settings.mode = bt.MODE_CTRL_IMMEDIATE
general_settings.channel_mask = (1 << int(channel))
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
timing_settings.period = bt.FREQUENCY_TO_NSEC(int(sample_rate))
runtime_settings.pwm_mode = bt.RUNTIME_PWM_MODE_DUTY_CYCLE
runtime_settings.pwm_timebase = bt.RUNTIME_PWM_TIMEBASE_SYSCLK
if (bt.buddy_configure(hid_handle, general_settings, runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
return -1
packet = bt.general_packet_t()
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, int(value))
if (bt.buddy_send_pwm(hid_handle, packet, streaming) !=
bt.BUDDY_ERROR_CODE_OK):
return -1
time.sleep(0.1)
bt.buddy_flush(hid_handle)
def test_seq_dac(handle, sample_rate, streaming, poncho_mode):
mask = bt.BUDDY_CHAN_0_MASK | bt.BUDDY_CHAN_1_MASK | bt.BUDDY_CHAN_2_MASK | bt.BUDDY_CHAN_3_MASK
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_DAC_ENABLE
general_settings.mode = \
bt.MODE_CTRL_STREAM if streaming else bt.MODE_CTRL_IMMEDIATE
general_settings.channel_mask = mask
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
if poncho_mode:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_PONCHO
general_settings.expander_mode = bt.BUDDY_EXPANDER_PONCHO_MODE_OUT
general_settings.expander_pin_state = mask
else:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_BASE
timing_settings.period = bt.FREQUENCY_TO_NSEC(sample_rate)
runtime_settings.dac_power = bt.RUNTIME_DAC_POWER_ON
runtime_settings.dac_ref = bt.RUNTIME_DAC_REF_EXT
if (bt.buddy_configure(handle,
general_settings,
runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
print 'test_seq_dac: could not configure Buddy device'
return -1
time.sleep(0.1)
packet = bt.general_packet_t()
test_seq_dac_count = 0
for k in range(0, 4095 + 1):
#for k in range(2048, 2048 + 1):
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, k)
print 'test_seq_dac: sending %d packet with value %d' % \
(test_seq_dac_count, k)
test_seq_dac_count += 1
if (bt.buddy_send_dac(handle,
packet,
streaming) != bt.BUDDY_ERROR_CODE_OK):
print 'test_seq_dac: could not send DAC packet'
return -1
if not streaming:
time.sleep(1.0 / sample_rate)
bt.buddy_flush(handle)
time.sleep(0.1)
return 0
def test_seq_dac(handle, sample_rate, streaming, poncho_mode):
mask = bt.BUDDY_CHAN_0_MASK | bt.BUDDY_CHAN_1_MASK | bt.BUDDY_CHAN_2_MASK | bt.BUDDY_CHAN_3_MASK
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_DAC_ENABLE
general_settings.mode = \
bt.MODE_CTRL_STREAM if streaming else bt.MODE_CTRL_IMMEDIATE
general_settings.channel_mask = mask
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
if poncho_mode:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_PONCHO
general_settings.expander_mode = bt.BUDDY_EXPANDER_PONCHO_MODE_OUT
general_settings.expander_pin_state = mask
else:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_BASE
timing_settings.period = bt.FREQUENCY_TO_NSEC(sample_rate)
runtime_settings.dac_power = bt.RUNTIME_DAC_POWER_ON
runtime_settings.dac_ref = bt.RUNTIME_DAC_REF_EXT
if (bt.buddy_configure(handle, general_settings, runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
print 'test_seq_dac: could not configure Buddy device'
return -1
time.sleep(0.1)
packet = bt.general_packet_t()
test_seq_dac_count = 0
for k in range(0, 4095 + 1):
#for k in range(2048, 2048 + 1):
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, k)
print 'test_seq_dac: sending %d packet with value %d' % \
(test_seq_dac_count, k)
test_seq_dac_count += 1
if (bt.buddy_send_dac(handle, packet, streaming) !=
bt.BUDDY_ERROR_CODE_OK):
print 'test_seq_dac: could not send DAC packet'
return -1
if not streaming:
time.sleep(1.0 / sample_rate)
bt.buddy_flush(handle)
time.sleep(0.1)
return 0
def set_dac_value(hid_handle, channel, value, mode):
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_DAC_ENABLE
general_settings.mode = bt.MODE_CTRL_STREAM
general_settings.channel_mask = (1 << channel)
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
timing_settings.period = bt.FREQUENCY_TO_NSEC(BUDDY_TEST_DAC_FREQ)
runtime_settings.dac_power = bt.RUNTIME_DAC_POWER_ON
runtime_settings.dac_ref = bt.RUNTIME_DAC_REF_EXT
if mode:
print('Poncho mode activated')
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_PONCHO
general_settings.expander_mode = bt.BUDDY_EXPANDER_PONCHO_MODE_OUT
general_settings.expander_pin_state = bt.BUDDY_CHAN_0_MASK
else:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_BASE
if (bt.buddy_configure(hid_handle,
general_settings,
runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
print 'set_dac_value: could not configure Buddy device'
return -1
time.sleep(0.1)
packet = bt.general_packet_t()
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, value)
print 'set_dac_value: setting DAC channel %d with value %d' % (channel, value)
if (bt.buddy_send_dac(hid_handle, packet, True) != bt.BUDDY_ERROR_CODE_OK):
print 'test_seq_dac: could not send DAC packet'
return -1
time.sleep(1.0 / BUDDY_TEST_DAC_FREQ)
bt.buddy_flush(hid_handle)
time.sleep(0.1)
return 0
def set_pwm_value(hid_handle, channel, value, poncho_mode):
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_PWM_ENABLE
general_settings.mode = bt.MODE_CTRL_IMMEDIATE
general_settings.channel_mask = (1 << channel)
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
timing_settings.period = bt.FREQUENCY_TO_NSEC(BUDDY_TEST_PWM_FREQ)
runtime_settings.pwm_mode = bt.RUNTIME_PWM_MODE_FREQUENCY
runtime_settings.pwm_timebase = bt.RUNTIME_PWM_TIMEBASE_SYSCLK_DIV_12
if poncho_mode:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_PONCHO
general_settings.expander_mode = bt.BUDDY_EXPANDER_PONCHO_MODE_OUT
general_settings.expander_pin_state = (1 << channel)
else:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_BASE
if (bt.buddy_configure(hid_handle,
general_settings,
runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
print 'set_pwm_value: could not configure Buddy device'
return -1
time.sleep(0.1)
packet = bt.general_packet_t()
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, value)
print 'set_pwm_value: setting PWM channel %d with value %d' % (channel, value)
if (bt.buddy_send_pwm(hid_handle, packet, False) != bt.BUDDY_ERROR_CODE_OK):
print 'set_pwm_value: could not send PWM packet'
return -1
time.sleep(1.0 / BUDDY_TEST_PWM_FREQ)
bt.buddy_flush(hid_handle)
time.sleep(0.1)
return 0
def buddy_set_dac_value(channel, value, sample_rate=1000, streaming=False):
hid_handle = buddy_open()
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_DAC_ENABLE
general_settings.mode = \
bt.MODE_CTRL_STREAM if streaming else bt.MODE_CTRL_IMMEDIATE
general_settings.channel_mask = (1 << int(channel))
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
timing_settings.period = bt.FREQUENCY_TO_NSEC(int(sample_rate))
runtime_settings.dac_power = bt.RUNTIME_DAC_POWER_ON
runtime_settings.dac_ref = bt.RUNTIME_DAC_REF_EXT
if (bt.buddy_configure(hid_handle,
general_settings,
runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
return -1
packet = bt.general_packet_t()
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, int(value))
if (bt.buddy_send_dac(hid_handle, packet, streaming) != bt.BUDDY_ERROR_CODE_OK):
return -1
if not streaming:
time.sleep(1.0 / int(sample_rate))
time.sleep(0.5)
bt.buddy_flush(hid_handle)
def buddy_set_dac_value(channel, value, sample_rate=1000, streaming=False):
hid_handle = buddy_open()
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_DAC_ENABLE
general_settings.mode = \
bt.MODE_CTRL_STREAM if streaming else bt.MODE_CTRL_IMMEDIATE
general_settings.channel_mask = (1 << int(channel))
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
timing_settings.period = bt.FREQUENCY_TO_NSEC(int(sample_rate))
runtime_settings.dac_power = bt.RUNTIME_DAC_POWER_ON
runtime_settings.dac_ref = bt.RUNTIME_DAC_REF_EXT
if (bt.buddy_configure(hid_handle, general_settings, runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
return -1
packet = bt.general_packet_t()
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, int(value))
if (bt.buddy_send_dac(hid_handle, packet, streaming) !=
bt.BUDDY_ERROR_CODE_OK):
return -1
if not streaming:
time.sleep(1.0 / int(sample_rate))
time.sleep(0.5)
bt.buddy_flush(hid_handle)
def test_waveform_dac(handle, fw_info, sample_rate, wave_type, streaming,
poncho_mode):
mask = bt.BUDDY_CHAN_0_MASK | bt.BUDDY_CHAN_1_MASK | bt.BUDDY_CHAN_2_MASK | bt.BUDDY_CHAN_3_MASK
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_DAC_ENABLE
general_settings.mode = \
bt.MODE_CTRL_STREAM if streaming else bt.MODE_CTRL_IMMEDIATE
#general_settings.channel_mask = bt.BUDDY_CHAN_ALL_MASK
general_settings.channel_mask = mask
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
timing_settings.period = bt.FREQUENCY_TO_NSEC(sample_rate)
runtime_settings.dac_power = bt.RUNTIME_DAC_POWER_ON
runtime_settings.dac_ref = bt.RUNTIME_DAC_REF_EXT
if poncho_mode:
print('Poncho mode activated')
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_PONCHO
general_settings.expander_mode = bt.BUDDY_EXPANDER_PONCHO_MODE_OUT
general_settings.expander_pin_state = mask
else:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_BASE
if (bt.buddy_configure(handle, general_settings, runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
print 'test_waveform_dac: could not configure Buddy device'
return -1
time.sleep(0.1)
packet = bt.general_packet_t()
test_seq_dac_count = 0
#y_mag = 255
#y_mag = 2700
y_mag = 4000
t = np.linspace(0,
WAVEFORM_TIME,
sample_rate * WAVEFORM_TIME,
endpoint=False)
if wave_type == 'square':
y = ((scisig.square(np.pi * 2.0 * WAVEFORM_FREQUENCY * t) + 1) /
2) * y_mag
elif wave_type == 'sine':
y = ((np.sin(np.pi *
(1 / 2.0) * WAVEFORM_FREQUENCY * t) + 1) / 2) * y_mag
elif wave_type == 'sawtooth':
y = ((scisig.sawtooth(np.pi *
(1 / 2.0) * WAVEFORM_FREQUENCY * t) + 1) /
2) * y_mag
else:
return -1
for k in y:
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, int(k))
print 'test_waveform_dac: sending %d packet with value %d' % (
test_seq_dac_count, k)
test_seq_dac_count += 1
if (bt.buddy_send_dac(handle, packet, streaming) !=
bt.BUDDY_ERROR_CODE_OK):
print 'test_waveform_dac: could not send DAC packet'
return -1
if not streaming:
time.sleep(1.0 / sample_rate)
bt.buddy_flush(handle)
time.sleep(0.1)
return 0
def test_seq_pwm_duty(handle, sample_rate, streaming, poncho_mode):
mask = bt.BUDDY_CHAN_2_MASK
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_PWM_ENABLE
general_settings.mode = \
bt.MODE_CTRL_STREAM if streaming else bt.MODE_CTRL_IMMEDIATE
general_settings.channel_mask = mask
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
#general_settings.resolution = bt.RESOLUTION_CTRL_LOW
timing_settings.period = bt.FREQUENCY_TO_NSEC(sample_rate)
runtime_settings.pwm_mode = bt.RUNTIME_PWM_MODE_DUTY_CYCLE
runtime_settings.pwm_timebase = bt.RUNTIME_PWM_TIMEBASE_SYSCLK
if poncho_mode:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_PONCHO
general_settings.expander_mode = bt.BUDDY_EXPANDER_PONCHO_MODE_OUT
general_settings.expander_pin_state = mask
else:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_BASE
if (bt.buddy_configure(handle,
general_settings,
runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
print 'test_seq_pwm_duty: could not configure Buddy device'
return -1
time.sleep(0.1)
packet = bt.general_packet_t()
test_seq_pwm_count = 0
# in counts
#for k in range(0, 65535, 10):
#for k in range(128, 129):
#for k in range(63,64):
#for k in range(191, 192):
#for k in range(32767, 32768):
for k in range(16383, 16384):
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, k)
print 'test_seq_pwm_duty: sending %d packet with value %d' % \
(test_seq_pwm_count, k)
test_seq_pwm_count += 1
if (bt.buddy_send_pwm(handle,
packet,
streaming) != bt.BUDDY_ERROR_CODE_OK):
print 'test_seq_pwm_duty: could not send PWM packet'
return -1
if not streaming:
time.sleep(1.0 / sample_rate)
bt.buddy_flush(handle)
time.sleep(0.1)
return 0
def test_seq_pwm_freq(handle, sample_rate, streaming, poncho_mode):
mask = bt.BUDDY_CHAN_0_MASK
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_PWM_ENABLE
general_settings.mode = \
bt.MODE_CTRL_STREAM if streaming else bt.MODE_CTRL_IMMEDIATE
general_settings.channel_mask = mask
#general_settings.resolution = bt.RESOLUTION_CTRL_LOW
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
#general_settings.resolution = bt.RESOLUTION_CTRL_SUPER
timing_settings.period = bt.FREQUENCY_TO_NSEC(sample_rate)
runtime_settings.pwm_mode = bt.RUNTIME_PWM_MODE_FREQUENCY
runtime_settings.pwm_timebase = bt.RUNTIME_PWM_TIMEBASE_SYSCLK_DIV_12
if poncho_mode:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_PONCHO
general_settings.expander_mode = bt.BUDDY_EXPANDER_PONCHO_MODE_OUT
general_settings.expander_pin_state = mask
else:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_BASE
if (bt.buddy_configure(handle,
general_settings,
runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
print 'test_seq_pwm_freq: could not configure Buddy device'
return -1
time.sleep(0.1)
packet = bt.general_packet_t()
test_seq_pwm_count = 0
#for k in range(50000, (50000 + 1)):
#for k in range(6000, (6000 + 1)):
for k in range(10000, (60000 + 1)):
#for k in range(2, (500 + 1)):
#for k in range(100000, (100000 + 1)):
#for k in range(45000, (45000 +1)):
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, k)
print 'test_seq_pwm_freq: sending %d packet with value %d' % \
(test_seq_pwm_count, k)
test_seq_pwm_count += 1
if (bt.buddy_send_pwm(handle,
packet,
streaming) != bt.BUDDY_ERROR_CODE_OK):
print 'ERROR: test_seq_pwm_freq: could not send PWM packet'
return -1
if not streaming:
time.sleep(1.0 / sample_rate)
bt.buddy_flush(handle)
time.sleep(0.1)
return 0
def test_waveform_dac(handle, fw_info, sample_rate, wave_type, streaming, poncho_mode):
mask = bt.BUDDY_CHAN_0_MASK | bt.BUDDY_CHAN_1_MASK | bt.BUDDY_CHAN_2_MASK | bt.BUDDY_CHAN_3_MASK
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_DAC_ENABLE
general_settings.mode = \
bt.MODE_CTRL_STREAM if streaming else bt.MODE_CTRL_IMMEDIATE
#general_settings.channel_mask = bt.BUDDY_CHAN_ALL_MASK
general_settings.channel_mask = mask
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
timing_settings.period = bt.FREQUENCY_TO_NSEC(sample_rate)
runtime_settings.dac_power = bt.RUNTIME_DAC_POWER_ON
runtime_settings.dac_ref = bt.RUNTIME_DAC_REF_EXT
if poncho_mode:
print('Poncho mode activated')
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_PONCHO
general_settings.expander_mode = bt.BUDDY_EXPANDER_PONCHO_MODE_OUT
general_settings.expander_pin_state = mask
else:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_BASE
if (bt.buddy_configure(handle,
general_settings,
runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
print 'test_waveform_dac: could not configure Buddy device'
return -1
time.sleep(0.1)
packet = bt.general_packet_t()
test_seq_dac_count = 0
#y_mag = 255
#y_mag = 2700
y_mag = 4000
t = np.linspace(0, WAVEFORM_TIME, sample_rate * WAVEFORM_TIME, endpoint=False)
if wave_type == 'square':
y = ((scisig.square(np.pi * 2.0 * WAVEFORM_FREQUENCY * t) + 1) / 2) * y_mag
elif wave_type == 'sine':
y = ((np.sin(np.pi * (1 / 2.0) * WAVEFORM_FREQUENCY * t) + 1) / 2) * y_mag
elif wave_type == 'sawtooth':
y = ((scisig.sawtooth(np.pi * (1 / 2.0) * WAVEFORM_FREQUENCY * t) + 1) / 2) * y_mag
else:
return -1
for k in y:
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, int(k))
print 'test_waveform_dac: sending %d packet with value %d' % (test_seq_dac_count, k)
test_seq_dac_count += 1
if (bt.buddy_send_dac(handle,
packet,
streaming) != bt.BUDDY_ERROR_CODE_OK):
print 'test_waveform_dac: could not send DAC packet'
return -1
if not streaming:
time.sleep(1.0 / sample_rate)
bt.buddy_flush(handle)
time.sleep(0.1)
return 0
def test_seq_pwm_duty(handle, sample_rate, streaming, poncho_mode):
mask = bt.BUDDY_CHAN_2_MASK
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_PWM_ENABLE
general_settings.mode = \
bt.MODE_CTRL_STREAM if streaming else bt.MODE_CTRL_IMMEDIATE
general_settings.channel_mask = mask
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
#general_settings.resolution = bt.RESOLUTION_CTRL_LOW
timing_settings.period = bt.FREQUENCY_TO_NSEC(sample_rate)
runtime_settings.pwm_mode = bt.RUNTIME_PWM_MODE_DUTY_CYCLE
runtime_settings.pwm_timebase = bt.RUNTIME_PWM_TIMEBASE_SYSCLK
if poncho_mode:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_PONCHO
general_settings.expander_mode = bt.BUDDY_EXPANDER_PONCHO_MODE_OUT
general_settings.expander_pin_state = mask
else:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_BASE
if (bt.buddy_configure(handle, general_settings, runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
print 'test_seq_pwm_duty: could not configure Buddy device'
return -1
time.sleep(0.1)
packet = bt.general_packet_t()
test_seq_pwm_count = 0
# in counts
#for k in range(0, 65535, 10):
#for k in range(128, 129):
#for k in range(63,64):
#for k in range(191, 192):
#for k in range(32767, 32768):
for k in range(16383, 16384):
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, k)
print 'test_seq_pwm_duty: sending %d packet with value %d' % \
(test_seq_pwm_count, k)
test_seq_pwm_count += 1
if (bt.buddy_send_pwm(handle, packet, streaming) !=
bt.BUDDY_ERROR_CODE_OK):
print 'test_seq_pwm_duty: could not send PWM packet'
return -1
if not streaming:
time.sleep(1.0 / sample_rate)
bt.buddy_flush(handle)
time.sleep(0.1)
return 0
def test_seq_pwm_freq(handle, sample_rate, streaming, poncho_mode):
mask = bt.BUDDY_CHAN_0_MASK
general_settings = bt.ctrl_general_t()
timing_settings = bt.ctrl_timing_t()
runtime_settings = bt.ctrl_runtime_t()
general_settings.function = bt.GENERAL_CTRL_PWM_ENABLE
general_settings.mode = \
bt.MODE_CTRL_STREAM if streaming else bt.MODE_CTRL_IMMEDIATE
general_settings.channel_mask = mask
#general_settings.resolution = bt.RESOLUTION_CTRL_LOW
general_settings.resolution = bt.RESOLUTION_CTRL_HIGH
#general_settings.resolution = bt.RESOLUTION_CTRL_SUPER
timing_settings.period = bt.FREQUENCY_TO_NSEC(sample_rate)
runtime_settings.pwm_mode = bt.RUNTIME_PWM_MODE_FREQUENCY
runtime_settings.pwm_timebase = bt.RUNTIME_PWM_TIMEBASE_SYSCLK_DIV_12
if poncho_mode:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_PONCHO
general_settings.expander_mode = bt.BUDDY_EXPANDER_PONCHO_MODE_OUT
general_settings.expander_pin_state = mask
else:
general_settings.expander_type = bt.BUDDY_EXPANDER_TYPE_BASE
if (bt.buddy_configure(handle, general_settings, runtime_settings,
timing_settings) != bt.BUDDY_ERROR_CODE_OK):
print 'test_seq_pwm_freq: could not configure Buddy device'
return -1
time.sleep(0.1)
packet = bt.general_packet_t()
test_seq_pwm_count = 0
#for k in range(50000, (50000 + 1)):
#for k in range(6000, (6000 + 1)):
for k in range(10000, (60000 + 1)):
#for k in range(2, (500 + 1)):
#for k in range(100000, (100000 + 1)):
#for k in range(45000, (45000 +1)):
for i in range(bt.BUDDY_CHAN_0, bt.BUDDY_CHAN_7 + 1):
bt.int32_t_ptr_setitem(packet.channels, i, k)
print 'test_seq_pwm_freq: sending %d packet with value %d' % \
(test_seq_pwm_count, k)
test_seq_pwm_count += 1
if (bt.buddy_send_pwm(handle, packet, streaming) !=
bt.BUDDY_ERROR_CODE_OK):
print 'ERROR: test_seq_pwm_freq: could not send PWM packet'
return -1
if not streaming:
time.sleep(1.0 / sample_rate)
bt.buddy_flush(handle)
time.sleep(0.1)
return 0