X-Git-Url: http://developer.intra2net.com/git/?p=libftdi;a=blobdiff_plain;f=python%2Fexamples%2Fcbus.py;h=9c0356c61e0a248bda9c92d3e103213cf2b2ea9d;hp=18d8ab5a92cc1f2e23b1ca40a7585c981f8ed9f2;hb=db9c7eba8ff28219a33b5494a3d60aa487d87ef1;hpb=d160863c527c8a3fdf1e821a64c59192a2fc2150 diff --git a/python/examples/cbus.py b/python/examples/cbus.py index 18d8ab5..9c0356c 100644 --- a/python/examples/cbus.py +++ b/python/examples/cbus.py @@ -6,7 +6,7 @@ This program is distributed under the GPL, version 2. Demonstrate how to configure the FT230X USB UART bridge as follows: max_power 500 mA - CBUS3 Drive 1 (accomodate PCB error) + CBUS3 Drive 1 (accommodate PCB error) """ import sys @@ -17,55 +17,55 @@ import ftdi1 as ftdi # Define class for displaying errors. class ErrorMsg(Exception): def __init__(self,message): - self.message = message; + self.message = message def __str__(self): - return self.message; + return self.message -# Function to convert CBUSH values to human-readable strings +# Function to convert CBUSX values to human-readable strings def cbush_string(value): - if value == ftdi.CBUSH_AWAKE: + if value == ftdi.CBUSX_AWAKE: return 'AWAKE' - if value == ftdi.CBUSH_BAT_DETECT: + if value == ftdi.CBUSX_BAT_DETECT: return 'BAT_DETECT' - if value == ftdi.CBUSH_BAT_DETECT_NEG: + if value == ftdi.CBUSX_BAT_DETECT_NEG: return 'BAT_DETECT_NEG' - if value == ftdi.CBUSH_BB_RD: + if value == ftdi.CBUSX_BB_RD: return 'BB_RD' - if value == ftdi.CBUSH_BB_WR: + if value == ftdi.CBUSX_BB_WR: return 'BB_WR' - if value == ftdi.CBUSH_CLK15: - return 'CLK15' - if value == ftdi.CBUSH_CLK30: - return 'CLK30' - if value == ftdi.CBUSH_CLK7_5: - return 'CLK7_5' - if value == ftdi.CBUSH_DRIVE_0: + if value == ftdi.CBUSX_CLK24: + return 'CLK24' + if value == ftdi.CBUSX_CLK12: + return 'CLK12' + if value == ftdi.CBUSX_CLK6: + return 'CLK6' + if value == ftdi.CBUSX_DRIVE_0: return 'DRIVE_0' - if value == ftdi.CBUSH_DRIVE1: + if value == ftdi.CBUSX_DRIVE1: return 'DRIVE_1' - if value == ftdi.CBUSH_I2C_RXF: + if value == ftdi.CBUSX_I2C_RXF: return 'I2C_RXF' - if value == ftdi.CBUSH_I2C_TXE: + if value == ftdi.CBUSX_I2C_TXE: return 'I2C_TXE' - if value == ftdi.CBUSH_IOMODE: + if value == ftdi.CBUSX_IOMODE: return 'IOMODE' - if value == ftdi.CBUSH_PWREN: + if value == ftdi.CBUSX_PWREN: return 'PWREN' - if value == ftdi.CBUSH_RXLED: + if value == ftdi.CBUSX_RXLED: return 'RXLED' - if value == ftdi.CBUSH_SLEEP: + if value == ftdi.CBUSX_SLEEP: return 'SLEEP' - if value == ftdi.CBUSH_TIME_STAMP: + if value == ftdi.CBUSX_TIME_STAMP: return 'TIME_STAMP' - if value == ftdi.CBUSH_TRISTATE: + if value == ftdi.CBUSX_TRISTATE: return 'TRISTATE' - if value == ftdi.CBUSH_TXDEN: + if value == ftdi.CBUSX_TXDEN: return 'TXDEN' - if value == ftdi.CBUSH_TXLED: + if value == ftdi.CBUSX_TXLED: return 'TXLED' - if value == ftdi.CBUSH_TXRXLED: + if value == ftdi.CBUSX_TXRXLED: return 'TXRXLED' - if value == ftdi.CBUSH_VBUS_SENSE: + if value == ftdi.CBUSX_VBUS_SENSE: return 'VBUS_SENSE' return 'UNKNOWN' @@ -80,11 +80,11 @@ try: # List all the FT230X devices. nDevices, devlist = ftdi.usb_find_all(ftdic, 0x0403, 0x6015) if nDevices < 0: - raise ErrorMsg('ftdi.usb_find_all error = %s' % ftdi.get_error_string(ftdic)); + raise ErrorMsg('ftdi.usb_find_all error = %s' % ftdi.get_error_string(ftdic)) elif nDevices == 0: - raise ErrorMsg('No FT230X devices found'); + raise ErrorMsg('No FT230X devices found') elif nDevices != 1: - raise ErrorMsg('More than one FT230X device found'); + raise ErrorMsg('More than one FT230X device found') # Display the identified single FT230X device. ret, manufacturer, description, serial = ftdi.usb_get_strings(ftdic, devlist.dev) @@ -93,7 +93,7 @@ try: print 'manufacturer="%s" description="%s" serial="%s"' % (manufacturer, description, serial) # Open the identified single FT230X device. - ret = ftdi.usb_open_desc(ftdic, 0x0403, 0x6015, description, serial); + ret = ftdi.usb_open_desc(ftdic, 0x0403, 0x6015, description, serial) if ret < 0: raise ErrorMsg('ftdi.usb_open_desc error = %s' % ftdi.get_error_string(ftdic)) @@ -104,7 +104,7 @@ try: print 'chip id=0x%08X' % (chipid % 2**32) # Read the EEPROM - ret = ftdi.read_eeprom(ftdic); + ret = ftdi.read_eeprom(ftdic) if ret < 0: raise ErrorMsg('ftdi.read_eeprom error = %s' % ftdi.get_error_string(ftdic)) @@ -126,10 +126,10 @@ try: sys.stdout.write(x) else: sys.stdout.write('.') - sys.stdout.write('\n'); + sys.stdout.write('\n') # Read and display the EEPROM (in human readable format) - ret = ftdi.eeprom_decode(ftdic, 1); + ret = ftdi.eeprom_decode(ftdic, 1) if ret < 0: raise ErrorMsg('ftdi.eeprom_decode error = %s' % ftdi.get_error_string(ftdic)) @@ -143,7 +143,7 @@ try: if ret < 0: raise ErrorMsg('ftdi.get_eeprom_value error = %s' % ftdi.get_error_string(ftdic)) print 'initial CBUS3 = %d (%s)' % (value,cbush_string(value),) - ret = ftdi.set_eeprom_value(ftdic,ftdi.CBUS_FUNCTION_3,ftdi.CBUSH_DRIVE1) + ret = ftdi.set_eeprom_value(ftdic,ftdi.CBUS_FUNCTION_3,ftdi.CBUSX_DRIVE1) if ret < 0: raise ErrorMsg('ftdi.set_eeprom_value error = %s' % ftdi.get_error_string(ftdic)) ret, value = ftdi.get_eeprom_value(ftdic,ftdi.CBUS_FUNCTION_3) @@ -164,10 +164,10 @@ try: print 'EEPROM write not attempted' # Close the ftdi context. - ret = ftdi.usb_close(ftdic); + ret = ftdi.usb_close(ftdic) if ret < 0: - raise ErrorMsg('ftdi.usb_close error = %s' % ftdi.get_error_string(ftdic)); + raise ErrorMsg('ftdi.usb_close error = %s' % ftdi.get_error_string(ftdic)) except ErrorMsg, msg: - print >> sys.stderr, 'FATAL ERROR: ' + str(msg); - exit(1); + print >> sys.stderr, 'FATAL ERROR: ' + str(msg) + exit(1)