commit c5ac7e4c6fadf3d94cf7f6d2c08446a6de0ec368 Author: dsorber Date: Sat Mar 30 16:04:12 2013 -0400 Added a couple more scripts including one to talk to the 7 segment display. diff --git a/525.743/code/test scripts/7seg.py b/525.743/code/test scripts/7seg.py new file mode 100644 index 0000000..ebc056c --- /dev/null +++ b/525.743/code/test scripts/7seg.py @@ -0,0 +1,141 @@ +import sys +import time + +import smbus + +SEGMENTS_OFF = 0x00 +SEGMENT_G = 0x01 +SEGMENT_F = 0x02 +SEGMENT_E = 0x04 +SEGMENT_D = 0x08 +SEGMENT_C = 0x10 +SEGMENT_B = 0x20 +SEGMENT_A = 0x40 +SEGMENT_DOT = 0x80 + +DIGIT_0 = SEGMENT_A | SEGMENT_B | SEGMENT_C | SEGMENT_D | SEGMENT_E | SEGMENT_F +DIGIT_1 = SEGMENT_B | SEGMENT_C +DIGIT_2 = SEGMENT_A | SEGMENT_B | SEGMENT_G | SEGMENT_E | SEGMENT_D +DIGIT_3 = SEGMENT_A | SEGMENT_B | SEGMENT_G | SEGMENT_C | SEGMENT_D +DIGIT_4 = SEGMENT_F | SEGMENT_G | SEGMENT_B | SEGMENT_C +DIGIT_5 = SEGMENT_A | SEGMENT_F | SEGMENT_G | SEGMENT_C | SEGMENT_D +DIGIT_6 = SEGMENT_A | SEGMENT_F | SEGMENT_G | SEGMENT_E | SEGMENT_D | SEGMENT_C +DIGIT_7 = SEGMENT_A | SEGMENT_B | SEGMENT_C +DIGIT_8 = SEGMENT_A | SEGMENT_B | SEGMENT_C | SEGMENT_D | SEGMENT_E | SEGMENT_F | SEGMENT_G +DIGIT_9 = SEGMENT_A | SEGMENT_B | SEGMENT_C | SEGMENT_D | SEGMENT_F | SEGMENT_G + +class SevenSegmentDisplay(object): + + digit_map = {'0': DIGIT_0, + '1': DIGIT_1, + '2': DIGIT_2, + '3': DIGIT_3, + '4': DIGIT_4, + '5': DIGIT_5, + '6': DIGIT_6, + '7': DIGIT_7, + '8': DIGIT_8, + '9': DIGIT_9} + + def __init__(self): + self.bus = smbus.SMBus(1) + self.address = 0x38 + # 2 digits at 9ma sink + self.bus.write_byte_data(self.address, 0x00, 0x35) + + def segment_test(self): + print 'Testing segments...' + self.bus.write_byte_data(self.address, 0x00, 0x3E) + time.sleep(3) + self.bus.write_byte_data(self.address, 0x00, 0x35) + print 'Test complete' + + def read_status(self): + return bus.read_byte(address) + + def write_digit0(self, pattern): + self.bus.write_byte_data(self.address, 0x03, pattern) + + def write_digit1(self, pattern): + self.bus.write_byte_data(self.address, 0x01, pattern) + + def clear(self): + self.write_digit0(SEGMENTS_OFF) + self.write_digit1(SEGMENTS_OFF) + + def display_number(self, number): + str_num = '%02d' % number + self.write_digit1(self.digit_map[str_num[1]]) + self.write_digit0(self.digit_map[str_num[0]]) + + + +def main(): + + display = SevenSegmentDisplay() + + # segment test + display.segment_test() + + # blink segment G x20 + for ctr in xrange(20): + display.clear() + time.sleep(0.1) + SEGMENT_G + display.write_digit1(SEGMENT_G) + display.write_digit0(SEGMENT_G) + time.sleep(0.1) + + # outer snake clockwise, both + segs = [SEGMENT_F, SEGMENT_A, SEGMENT_B, SEGMENT_C, + SEGMENT_D, SEGMENT_E] + + for xtr in xrange(2): + for segment in segs: + display.clear() + display.write_digit1(segment) + display.write_digit0(segment) + time.sleep(0.2) + + # outer snake counter clockwise, both + segs = [SEGMENT_E, SEGMENT_D, SEGMENT_C, SEGMENT_B, + SEGMENT_A, SEGMENT_F] + + for xtr in xrange(2): + for segment in segs: + display.clear() + display.write_digit1(segment) + display.write_digit0(segment) + time.sleep(0.2) + + # figure 8 both (clockwise start) + segs = [SEGMENT_G, SEGMENT_F, SEGMENT_A, SEGMENT_B, SEGMENT_G, + SEGMENT_E, SEGMENT_D, SEGMENT_C] + + for xtr in xrange(3): + for segment in segs: + display.clear() + display.write_digit1(segment) + display.write_digit0(segment) + time.sleep(0.1) + + # figure 8 both (counter clockwise start) + segs = [SEGMENT_G, SEGMENT_E, SEGMENT_D, SEGMENT_C, SEGMENT_G, + SEGMENT_F, SEGMENT_A, SEGMENT_B] + + for xtr in xrange(3): + for segment in segs: + display.clear() + display.write_digit1(segment) + display.write_digit0(segment) + time.sleep(0.1) + + # count down + while True: + for num in xrange(99, -1, -1): + display.clear() + display.display_number(num) + time.sleep(0.3) + +if __name__ == '__main__': + sys.exit(main()) \ No newline at end of file diff --git a/525.743/code/test scripts/LED_cycle.py b/525.743/code/test scripts/LED_cycle.py new file mode 100644 index 0000000..49c36ee --- /dev/null +++ b/525.743/code/test scripts/LED_cycle.py @@ -0,0 +1,48 @@ +import itertools +import sys + +import RPIO + +from blinky_pattern import cylon, randomize, turn_on_top_down, turn_off_top_down,\ + turn_on_bottom_up, turn_off_bottom_up + +outputs = [23, 24, 25, 8, 7] + +def main(): + # Use the BCM addressing scheme + RPIO.setmode(RPIO.BCM) + + # Setup input + RPIO.setup(22, RPIO.IN) + + # Setup all five outputs + for gpio in outputs: + RPIO.setup(gpio, RPIO.OUT) + RPIO.output(gpio, False) + + # Setup switch interrupt with debounce + RPIO.add_interrupt_callback(22, switch_callback, edge='rising', + pull_up_down=RPIO.PUD_DOWN, threaded_callback=True, + debounce_timeout_ms=150) + + print 'Okay, waiting for interrupts...' + + # Main (blocking) loop + while True: + RPIO.wait_for_interrupts() + +def switch_callback(gpio_id, val): + global CURRENT + print 'Switch activated! %s --- %s' % (gpio_id, val) + + # Turn off current LED + RPIO.output(CURRENT, False) + + # Get next output and turn it on + CURRENT = out_iterator.next() + print CURRENT + RPIO.output(CURRENT, True) + + +if __name__ == '__main__': + sys.exit(main()) \ No newline at end of file diff --git a/525.743/code/test scripts/button_LED.py b/525.743/code/test scripts/button_LED.py index 1ea6e61..fbf9994 100644 --- a/525.743/code/test scripts/button_LED.py +++ b/525.743/code/test scripts/button_LED.py @@ -3,9 +3,9 @@ import sys import RPIO -CURRENT = 23 outputs = [23, 24, 25, 8, 7] out_iterator = itertools.cycle(outputs) +CURRENT = outputs[0] def main(): # Use the BCM addressing scheme @@ -22,24 +22,24 @@ def main(): # Setup switch interrupt with debounce RPIO.add_interrupt_callback(22, switch_callback, edge='rising', pull_up_down=RPIO.PUD_DOWN, threaded_callback=True, - debounce_timeout_ms=100) + debounce_timeout_ms=150) - print 'Okay, waiting for interrupts... %d' % CURRENT + print 'Okay, waiting for interrupts...' # Main (blocking) loop while True: RPIO.wait_for_interrupts() def switch_callback(gpio_id, val): + global CURRENT print 'Switch activated! %s --- %s' % (gpio_id, val) - print outputs - # Turn off current LED RPIO.output(CURRENT, False) # Get next output and turn it on CURRENT = out_iterator.next() + print CURRENT RPIO.output(CURRENT, True) diff --git a/525.743/code/test scripts/saa1064_i2c_test.py b/525.743/code/test scripts/saa1064_i2c_test.py new file mode 100644 index 0000000..a4ebf4e --- /dev/null +++ b/525.743/code/test scripts/saa1064_i2c_test.py @@ -0,0 +1,29 @@ +import sys +import time + +import smbus + +bus = smbus.SMBus(1) +address = 0x38 + +def main(): + status = bus.read_byte(address) + print 'POR Status: %d' % status + bus.write_byte_data(address, 0x00, 0x35) + + for shift in xrange(0, 8): + val = (1 << shift) + print val + bus.write_byte_data(address, 0x01, val) + time.sleep(0.1) + + for shift in xrange(0, 8): + val = (1 << shift) + print val + bus.write_byte_data(address, 0x03, val) + time.sleep(0.1) + + + +if __name__ == '__main__': + sys.exit(main()) \ No newline at end of file