ardupilot/libraries/AP_HAL_ChibiOS/hwdef/scripts/chibios_hwdef.py

1115 lines
36 KiB
Python

#!/usr/bin/env python
'''
setup board.h for chibios
'''
import argparse, sys, fnmatch, os, dma_resolver, shlex, pickle
import shutil
parser = argparse.ArgumentParser("chibios_pins.py")
parser.add_argument(
'-D', '--outdir', type=str, default=None, help='Output directory')
parser.add_argument(
'hwdef', type=str, default=None, help='hardware definition file')
args = parser.parse_args()
# output variables for each pin
vtypes = ['MODER', 'OTYPER', 'OSPEEDR', 'PUPDR', 'ODR', 'AFRL', 'AFRH']
# number of pins in each port
pincount = {
'A': 16,
'B': 16,
'C': 16,
'D': 16,
'E': 16,
'F': 16,
'G': 16,
'H': 2,
'I': 0,
'J': 0,
'K': 0
}
ports = pincount.keys()
portmap = {}
# dictionary of all config lines, indexed by first word
config = {}
# list of all pins in config file order
allpins = []
# list of configs by type
bytype = {}
# list of configs by label
bylabel = {}
# list of SPI devices
spidev = []
# list of ROMFS files
romfs = []
# SPI bus list
spi_list = []
# all config lines in order
alllines = []
# allow for extra env vars
env_vars = {}
# build flags for ChibiOS makefiles
build_flags = []
mcu_type = None
def is_int(str):
'''check if a string is an integer'''
try:
int(str)
except Exception:
return False
return True
def error(str):
'''show an error and exit'''
print("Error: " + str)
sys.exit(1)
def get_mcu_lib(mcu):
'''get library file for the chosen MCU'''
import importlib
try:
return importlib.import_module(mcu)
except ImportError:
error("Unable to find module for MCU %s" % mcu)
def get_alt_function(mcu, pin, function):
'''return alternative function number for a pin'''
lib = get_mcu_lib(mcu)
alt_map = lib.AltFunction_map
if function and function.endswith("_RTS") and (
function.startswith('USART') or function.startswith('UART')):
# we do software RTS
return None
af_labels = ['USART', 'UART', 'SPI', 'I2C', 'SDIO', 'SDMMC', 'OTG', 'JT', 'TIM', 'CAN']
for l in af_labels:
if function.startswith(l):
s = pin + ":" + function
if not s in alt_map:
error("Unknown pin function %s for MCU %s" % (s, mcu))
return alt_map[s]
return None
def have_type_prefix(ptype):
'''return True if we have a peripheral starting with the given peripheral type'''
for t in bytype.keys():
if t.startswith(ptype):
return True
return False
def get_ADC1_chan(mcu, pin):
'''return ADC1 channel for an analog pin'''
import importlib
try:
lib = importlib.import_module(mcu)
ADC1_map = lib.ADC1_map
except ImportError:
error("Unable to find ADC1_Map for MCU %s" % mcu)
if not pin in ADC1_map:
error("Unable to find ADC1 channel for pin %s" % pin)
return ADC1_map[pin]
class generic_pin(object):
'''class to hold pin definition'''
def __init__(self, port, pin, label, type, extra):
self.portpin = "P%s%u" % (port, pin)
self.port = port
self.pin = pin
self.label = label
self.type = type
self.extra = extra
self.af = None
def has_extra(self, v):
'''return true if we have the given extra token'''
return v in self.extra
def extra_prefix(self, prefix):
'''find an extra token starting with the given prefix'''
for e in self.extra:
if e.startswith(prefix):
return e
return None
def extra_value(self, name, type=None, default=None):
'''find an extra value of given type'''
v = self.extra_prefix(name)
if v is None:
return default
if v[len(name)] != '(' or v[-1] != ')':
error("Badly formed value for %s: %s\n" % (name, v))
ret = v[len(name) + 1:-1]
if type is not None:
try:
ret = type(ret)
except Exception:
error("Badly formed value for %s: %s\n" % (name, ret))
return ret
def is_RTS(self):
'''return true if this is a RTS pin'''
if self.label and self.label.endswith("_RTS") and (
self.type.startswith('USART') or self.type.startswith('UART')):
return True
return False
def is_CS(self):
'''return true if this is a CS pin'''
return self.has_extra("CS") or self.type == "CS"
def get_MODER(self):
'''return one of ALTERNATE, OUTPUT, ANALOG, INPUT'''
if self.af is not None:
v = "ALTERNATE"
elif self.type == 'OUTPUT':
v = "OUTPUT"
elif self.type.startswith('ADC'):
v = "ANALOG"
elif self.is_CS():
v = "OUTPUT"
elif self.is_RTS():
v = "OUTPUT"
else:
v = "INPUT"
return "PIN_MODE_%s(%uU)" % (v, self.pin)
def get_OTYPER(self):
'''return one of PUSHPULL, OPENDRAIN'''
v = 'PUSHPULL'
if self.type.startswith('I2C'):
# default I2C to OPENDRAIN
v = 'OPENDRAIN'
values = ['PUSHPULL', 'OPENDRAIN']
for e in self.extra:
if e in values:
v = e
return "PIN_OTYPE_%s(%uU)" % (v, self.pin)
def get_OSPEEDR(self):
'''return one of SPEED_VERYLOW, SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH'''
# on STM32F4 these speeds correspond to 2MHz, 25MHz, 50MHz and 100MHz
values = ['SPEED_VERYLOW', 'SPEED_LOW', 'SPEED_MEDIUM', 'SPEED_HIGH']
v = 'SPEED_MEDIUM'
for e in self.extra:
if e in values:
v = e
return "PIN_O%s(%uU)" % (v, self.pin)
def get_PUPDR(self):
'''return one of FLOATING, PULLUP, PULLDOWN'''
values = ['FLOATING', 'PULLUP', 'PULLDOWN']
v = 'FLOATING'
if self.is_CS():
v = "PULLUP"
if (self.type.startswith('USART') or
self.type.startswith('UART')) and (
(self.label.endswith('_TX') or
self.label.endswith('_RX') or
self.label.endswith('_CTS'))):
# default RX/TX lines to pullup, to prevent spurious bytes
# on disconnected ports. CTS is the exception, which is pulldown
if self.label.endswith("CTS"):
v = "PULLDOWN"
else:
v = "PULLUP"
for e in self.extra:
if e in values:
v = e
return "PIN_PUPDR_%s(%uU)" % (v, self.pin)
def get_ODR(self):
'''return one of LOW, HIGH'''
values = ['LOW', 'HIGH']
v = 'HIGH'
for e in self.extra:
if e in values:
v = e
return "PIN_ODR_%s(%uU)" % (v, self.pin)
def get_AFIO(self):
'''return AFIO'''
af = self.af
if af is None:
af = 0
return "PIN_AFIO_AF(%uU, %uU)" % (self.pin, af)
def get_AFRL(self):
'''return AFIO low 8'''
if self.pin >= 8:
return None
return self.get_AFIO()
def get_AFRH(self):
'''return AFIO high 8'''
if self.pin < 8:
return None
return self.get_AFIO()
def __str__(self):
str = ''
if self.af is not None:
str += " AF%u" % self.af
if self.type.startswith('ADC1'):
str += " ADC1_IN%u" % get_ADC1_chan(mcu_type, self.portpin)
if self.extra_value('PWM', type=int):
str += " PWM%u" % self.extra_value('PWM', type=int)
return "P%s%u %s %s%s" % (self.port, self.pin, self.label, self.type,
str)
# setup default as input pins
for port in ports:
portmap[port] = []
for pin in range(pincount[port]):
portmap[port].append(generic_pin(port, pin, None, 'INPUT', []))
def get_config(name, column=0, required=True, default=None, type=None):
'''get a value from config dictionary'''
if not name in config:
if required and default is None:
error("missing required value %s in hwdef.dat" % name)
return default
if len(config[name]) < column + 1:
error("missing required value %s in hwdef.dat (column %u)" % (name,
column))
ret = config[name][column]
if type is not None:
try:
ret = type(ret)
except Exception:
error("Badly formed config value %s (got %s)" % (name, ret))
return ret
def enable_can(f):
'''setup for a CAN enabled board'''
f.write('#define HAL_WITH_UAVCAN 1\n')
env_vars['HAL_WITH_UAVCAN'] = '1'
def write_mcu_config(f):
'''write MCU config defines'''
f.write('// MCU type (ChibiOS define)\n')
f.write('#define %s_MCUCONF\n' % get_config('MCU'))
f.write('#define %s\n\n' % get_config('MCU', 1))
f.write('// crystal frequency\n')
f.write('#define STM32_HSECLK %sU\n\n' % get_config('OSCILLATOR_HZ'))
f.write('// UART used for stdout (printf)\n')
if get_config('STDOUT_SERIAL', required=False):
f.write('#define HAL_STDOUT_SERIAL %s\n\n' % get_config('STDOUT_SERIAL'))
f.write('// baudrate used for stdout (printf)\n')
f.write('#define HAL_STDOUT_BAUDRATE %u\n\n' % get_config('STDOUT_BAUDRATE', type=int))
if have_type_prefix('SDIO') or have_type_prefix('SDMMC'):
f.write('// SDIO available, enable POSIX filesystem support\n')
f.write('#define USE_POSIX\n\n')
f.write('#define HAL_USE_SDC TRUE\n')
build_flags.append('USE_FATFS=yes')
else:
f.write('#define HAL_USE_SDC FALSE\n')
build_flags.append('USE_FATFS=no')
if 'OTG1' in bytype:
f.write('#define STM32_USB_USE_OTG1 TRUE\n')
f.write('#define HAL_USE_USB TRUE\n')
f.write('#define HAL_USE_SERIAL_USB TRUE\n')
if 'OTG2' in bytype:
f.write('#define STM32_USB_USE_OTG2 TRUE\n')
if have_type_prefix('CAN'):
enable_can(f)
# write any custom STM32 defines
for d in alllines:
if d.startswith('STM32_'):
f.write('#define %s\n' % d)
if d.startswith('define '):
f.write('#define %s\n' % d[7:])
flash_size = get_config('FLASH_SIZE_KB', type=int)
f.write('#define BOARD_FLASH_SIZE %u\n' % flash_size)
f.write('#define CRT1_AREAS_NUMBER 1\n')
if mcu_type in ['STM32F427xx', 'STM32F407xx','STM32F405xx']:
def_ccm_size = 64
else:
def_ccm_size = None
ccm_size = get_config(
'CCM_RAM_SIZE_KB', default=def_ccm_size, required=False, type=int)
if ccm_size is not None:
f.write('#define CCM_RAM_SIZE %u\n' % ccm_size)
flash_reserve_start = get_config(
'FLASH_RESERVE_START_KB', default=16, type=int)
f.write('#define FLASH_LOAD_ADDRESS 0x%08x\n' % flash_reserve_start)
f.write('\n')
lib = get_mcu_lib(mcu_type)
build_info = lib.build
# setup build variables
for v in build_info.keys():
build_flags.append('%s=%s' % (v, build_info[v]))
def write_ldscript(fname):
'''write ldscript.ld for this board'''
flash_size = get_config('FLASH_SIZE_KB', type=int)
# space to reserve for bootloader and storage at start of flash
flash_reserve_start = get_config(
'FLASH_RESERVE_START_KB', default=16, type=int)
# space to reserve for storage at end of flash
flash_reserve_end = get_config('FLASH_RESERVE_END_KB', default=0, type=int)
# ram size
ram_size = get_config('RAM_SIZE_KB', default=192, type=int)
flash_base = 0x08000000 + flash_reserve_start * 1024
flash_length = flash_size - (flash_reserve_start + flash_reserve_end)
print("Generating ldscript.ld")
f = open(fname, 'w')
f.write('''/* generated ldscript.ld */
MEMORY
{
flash : org = 0x%08x, len = %uK
ram0 : org = 0x20000000, len = %uk
}
INCLUDE common.ld
''' % (flash_base, flash_length, ram_size))
def copy_common_linkerscript(outdir, hwdef):
dirpath = os.path.dirname(hwdef)
shutil.copy(os.path.join(dirpath, "../common/common.ld"),
os.path.join(outdir, "common.ld"))
def write_USB_config(f):
'''write USB config defines'''
if not have_type_prefix('OTG'):
return;
f.write('// USB configuration\n')
f.write('#define HAL_USB_VENDOR_ID %s\n' % get_config('USB_VENDOR', default=0x0483)) # default to ST
f.write('#define HAL_USB_PRODUCT_ID %s\n' % get_config('USB_PRODUCT', default=0x5740))
f.write('#define HAL_USB_STRING_MANUFACTURER "%s"\n' % get_config("USB_STRING_MANUFACTURER", default="ArduPilot"))
f.write('#define HAL_USB_STRING_PRODUCT "%s"\n' % get_config("USB_STRING_PRODUCT", default="%BOARD%"))
f.write('#define HAL_USB_STRING_SERIAL "%s"\n' % get_config("USB_STRING_SERIAL", default="%SERIAL%"))
f.write('\n\n')
def write_SPI_table(f):
'''write SPI device table'''
f.write('\n// SPI device table\n')
devlist = []
for dev in spidev:
if len(dev) != 7:
print("Badly formed SPIDEV line %s" % dev)
name = '"' + dev[0] + '"'
bus = dev[1]
devid = dev[2]
cs = dev[3]
mode = dev[4]
lowspeed = dev[5]
highspeed = dev[6]
if not bus.startswith('SPI') or not bus in spi_list:
error("Bad SPI bus in SPIDEV line %s" % dev)
if not devid.startswith('DEVID') or not is_int(devid[5:]):
error("Bad DEVID in SPIDEV line %s" % dev)
if not cs in bylabel or not bylabel[cs].is_CS():
error("Bad CS pin in SPIDEV line %s" % dev)
if not mode in ['MODE0', 'MODE1', 'MODE2', 'MODE3']:
error("Bad MODE in SPIDEV line %s" % dev)
if not lowspeed.endswith('*MHZ') and not lowspeed.endswith('*KHZ'):
error("Bad lowspeed value %s in SPIDEV line %s" % (lowspeed, dev))
if not highspeed.endswith('*MHZ') and not highspeed.endswith('*KHZ'):
error("Bad highspeed value %s in SPIDEV line %s" % (highspeed,
dev))
cs_pin = bylabel[cs]
pal_line = 'PAL_LINE(GPIO%s,%uU)' % (cs_pin.port, cs_pin.pin)
devidx = len(devlist)
f.write(
'#define HAL_SPI_DEVICE%-2u SPIDesc(%-17s, %2u, %2u, %-19s, SPIDEV_%s, %7s, %7s)\n'
% (devidx, name, spi_list.index(bus), int(devid[5:]), pal_line,
mode, lowspeed, highspeed))
devlist.append('HAL_SPI_DEVICE%u' % devidx)
f.write('#define HAL_SPI_DEVICE_LIST %s\n\n' % ','.join(devlist))
def write_SPI_config(f):
'''write SPI config defines'''
global spi_list
for t in bytype.keys():
if t.startswith('SPI'):
spi_list.append(t)
spi_list = sorted(spi_list)
if len(spi_list) == 0:
f.write('#define HAL_USE_SPI FALSE\n')
return
devlist = []
for dev in spi_list:
n = int(dev[3:])
devlist.append('HAL_SPI%u_CONFIG' % n)
f.write(
'#define HAL_SPI%u_CONFIG { &SPID%u, %u, STM32_SPI_SPI%u_TX_DMA_STREAM, STM32_SPI_SPI%u_RX_DMA_STREAM }\n'
% (n, n, n, n, n))
f.write('#define HAL_SPI_BUS_LIST %s\n\n' % ','.join(devlist))
write_SPI_table(f)
def write_UART_config(f):
'''write UART config defines'''
get_config('UART_ORDER')
uart_list = config['UART_ORDER']
f.write('\n// UART configuration\n')
# write out driver declarations for HAL_ChibOS_Class.cpp
devnames = "ABCDEFGH"
sdev = 0
for dev in uart_list:
idx = uart_list.index(dev)
if dev == 'EMPTY':
f.write('#define HAL_UART%s_DRIVER Empty::UARTDriver uart%sDriver\n' %
(devnames[idx], devnames[idx]))
else:
f.write(
'#define HAL_UART%s_DRIVER ChibiOS::UARTDriver uart%sDriver(%u)\n'
% (devnames[idx], devnames[idx], sdev))
sdev += 1
for idx in range(len(uart_list), 6):
f.write('#define HAL_UART%s_DRIVER Empty::UARTDriver uart%sDriver\n' %
(devnames[idx], devnames[idx]))
if 'IOMCU_UART' in config:
f.write('#define HAL_WITH_IO_MCU 1\n')
idx = len(uart_list)
f.write('#define HAL_UART_IOMCU_IDX %u\n' % idx)
f.write(
'#define HAL_UART_IO_DRIVER ChibiOS::UARTDriver uart_io(HAL_UART_IOMCU_IDX)\n'
)
uart_list.append(config['IOMCU_UART'][0])
else:
f.write('#define HAL_WITH_IO_MCU 0\n')
f.write('\n')
need_uart_driver = False
devlist = []
for dev in uart_list:
if dev.startswith('UART'):
n = int(dev[4:])
elif dev.startswith('USART'):
n = int(dev[5:])
elif dev.startswith('OTG'):
n = int(dev[3:])
elif dev.startswith('EMPTY'):
continue
else:
error("Invalid element %s in UART_ORDER" % dev)
devlist.append('HAL_%s_CONFIG' % dev)
if dev + "_RTS" in bylabel:
p = bylabel[dev + '_RTS']
rts_line = 'PAL_LINE(GPIO%s,%uU)' % (p.port, p.pin)
else:
rts_line = "0"
if dev.startswith('OTG'):
f.write(
'#define HAL_%s_CONFIG {(BaseSequentialStream*) &SDU1, true, false, 0, 0, false, 0, 0}\n'
% dev)
else:
need_uart_driver = True
f.write(
"#define HAL_%s_CONFIG { (BaseSequentialStream*) &SD%u, false, "
% (dev, n))
f.write("STM32_%s_RX_DMA_CONFIG, STM32_%s_TX_DMA_CONFIG, %s}\n" %
(dev, dev, rts_line))
f.write('#define HAL_UART_DEVICE_LIST %s\n\n' % ','.join(devlist))
if not need_uart_driver:
f.write('#define HAL_USE_SERIAL FALSE\n')
def write_I2C_config(f):
'''write I2C config defines'''
if not have_type_prefix('I2C'):
print("No I2C peripherals")
f.write('#define HAL_USE_I2C FALSE\n')
return
if not 'I2C_ORDER' in config:
error("Missing I2C_ORDER config")
i2c_list = config['I2C_ORDER']
f.write('// I2C configuration\n')
if len(i2c_list) == 0:
error("I2C_ORDER invalid")
devlist = []
for dev in i2c_list:
if not dev.startswith('I2C') or dev[3] not in "1234":
error("Bad I2C_ORDER element %s" % dev)
if dev + "_SCL" in bylabel:
p = bylabel[dev + "_SCL"]
f.write(
'#define HAL_%s_SCL_AF %d\n' % (dev, p.af)
)
n = int(dev[3:])
devlist.append('HAL_I2C%u_CONFIG' % n)
f.write(
'#define HAL_I2C%u_CONFIG { &I2CD%u, STM32_I2C_I2C%u_RX_DMA_STREAM, STM32_I2C_I2C%u_TX_DMA_STREAM }\n'
% (n, n, n, n))
f.write('#define HAL_I2C_DEVICE_LIST %s\n\n' % ','.join(devlist))
def write_PWM_config(f):
'''write PWM config defines'''
rc_in = None
alarm = None
pwm_out = []
pwm_timers = []
for l in bylabel.keys():
p = bylabel[l]
if p.type.startswith('TIM'):
if p.has_extra('RCIN'):
rc_in = p
elif p.has_extra('ALARM'):
alarm = p
else:
if p.extra_value('PWM', type=int) is not None:
pwm_out.append(p)
if p.type not in pwm_timers:
pwm_timers.append(p.type)
if not pwm_out:
print("No PWM output defined")
f.write('#define HAL_USE_PWM FALSE\n')
if rc_in is not None:
a = rc_in.label.split('_')
chan_str = a[1][2:]
timer_str = a[0][3:]
if chan_str[-1] == 'N':
# it is an inverted channel
f.write('#define HAL_RCIN_IS_INVERTED\n')
chan_str = chan_str[:-1]
if not is_int(chan_str) or not is_int(timer_str):
error("Bad timer channel %s" % rc_in.label)
if int(chan_str) not in [1, 2]:
error(
"Bad channel number, only channel 1 and 2 supported for RCIN")
n = int(a[0][3:])
f.write('// RC input config\n')
f.write('#define HAL_USE_ICU TRUE\n')
f.write('#define STM32_ICU_USE_TIM%u TRUE\n' % n)
f.write('#define RCIN_ICU_TIMER ICUD%u\n' % n)
f.write('#define RCIN_ICU_CHANNEL ICU_CHANNEL_%u\n' % int(chan_str))
f.write('#define STM32_RCIN_DMA_STREAM STM32_TIM_TIM%u_CH%u_DMA_STREAM\n' % (n, int(chan_str)))
f.write('#define STM32_RCIN_DMA_CHANNEL STM32_TIM_TIM%u_CH%u_DMA_CHAN\n' % (n, int(chan_str)))
f.write('\n')
if alarm is not None:
a = alarm.label.split('_')
chan_str = a[1][2:]
timer_str = a[0][3:]
if not is_int(chan_str) or not is_int(timer_str):
error("Bad timer channel %s" % alarm.label)
n = int(timer_str)
f.write('\n')
f.write('// Alarm PWM output config\n')
f.write('#define STM32_PWM_USE_TIM%u TRUE\n' % n)
f.write('#define STM32_TIM%u_SUPPRESS_ISR\n' % n)
chan_mode = [
'PWM_OUTPUT_DISABLED', 'PWM_OUTPUT_DISABLED',
'PWM_OUTPUT_DISABLED', 'PWM_OUTPUT_DISABLED'
]
chan = int(chan_str)
if chan not in [1, 2, 3, 4]:
error("Bad channel number %u for ALARM PWM %s" % (chan, p))
chan_mode[chan - 1] = 'PWM_OUTPUT_ACTIVE_HIGH'
pwm_clock = 1000000
period = 1000
f.write('''#define HAL_PWM_ALARM \\
{ /* pwmGroup */ \\
%u, /* Timer channel */ \\
{ /* PWMConfig */ \\
%u, /* PWM clock frequency. */ \\
%u, /* Initial PWM period 20ms. */ \\
NULL, /* no callback */ \\
{ /* Channel Config */ \\
{%s, NULL}, \\
{%s, NULL}, \\
{%s, NULL}, \\
{%s, NULL} \\
}, \\
0, 0 \\
}, \\
&PWMD%u /* PWMDriver* */ \\
}\n''' %
(chan-1, pwm_clock, period, chan_mode[0],
chan_mode[1], chan_mode[2], chan_mode[3], n))
else:
f.write('\n')
f.write('// No Alarm output pin defined\n')
f.write('#undef HAL_PWM_ALARM\n')
f.write('\n')
f.write('// PWM timer config\n')
for t in sorted(pwm_timers):
n = int(t[3])
f.write('#define STM32_PWM_USE_TIM%u TRUE\n' % n)
f.write('#define STM32_TIM%u_SUPPRESS_ISR\n' % n)
f.write('\n')
f.write('// PWM output config\n')
groups = []
for t in sorted(pwm_timers):
group = len(groups) + 1
n = int(t[3])
chan_list = [255, 255, 255, 255]
chan_mode = [
'PWM_OUTPUT_DISABLED', 'PWM_OUTPUT_DISABLED',
'PWM_OUTPUT_DISABLED', 'PWM_OUTPUT_DISABLED'
]
alt_functions = [ 0, 0, 0, 0 ]
pal_lines = [ '0', '0', '0', '0' ]
for p in pwm_out:
if p.type != t:
continue
chan_str = p.label[7]
is_complementary = p.label[-1] == 'N';
if not is_int(chan_str):
error("Bad channel for PWM %s" % p)
chan = int(chan_str)
if chan not in [1, 2, 3, 4]:
error("Bad channel number %u for PWM %s" % (chan, p))
pwm = p.extra_value('PWM', type=int)
chan_list[chan - 1] = pwm - 1
if is_complementary:
chan_mode[chan - 1] = 'PWM_COMPLEMENTARY_OUTPUT_ACTIVE_HIGH'
else:
chan_mode[chan - 1] = 'PWM_OUTPUT_ACTIVE_HIGH'
alt_functions[chan - 1] = p.af
pal_lines[chan - 1] = 'PAL_LINE(GPIO%s, %uU)' % (p.port, p.pin)
groups.append('HAL_PWM_GROUP%u' % group)
if n in [1, 8]:
# only the advanced timers do 8MHz clocks
advanced_timer = 'true'
else:
advanced_timer = 'false'
pwm_clock = 1000000
period = 20000 * pwm_clock / 1000000
f.write('''#ifdef STM32_TIM_TIM%u_UP_DMA_STREAM
# define HAL_PWM%u_DMA_CONFIG true, STM32_TIM_TIM%u_UP_DMA_STREAM, STM32_TIM_TIM%u_UP_DMA_CHAN
#else
# define HAL_PWM%u_DMA_CONFIG false, 0, 0
#endif\n''' % (n, n, n, n, n))
f.write('''#define HAL_PWM_GROUP%u { %s, \\
{%u, %u, %u, %u}, \\
/* Group Initial Config */ \\
{ \\
%u, /* PWM clock frequency. */ \\
%u, /* Initial PWM period 20ms. */ \\
NULL, /* no callback */ \\
{ \\
/* Channel Config */ \\
{%s, NULL}, \\
{%s, NULL}, \\
{%s, NULL}, \\
{%s, NULL} \\
}, 0, 0}, &PWMD%u, \\
HAL_PWM%u_DMA_CONFIG, \\
{ %u, %u, %u, %u }, \\
{ %s, %s, %s, %s }}\n''' %
(group, advanced_timer,
chan_list[0], chan_list[1], chan_list[2], chan_list[3],
pwm_clock, period,
chan_mode[0], chan_mode[1], chan_mode[2], chan_mode[3],
n, n,
alt_functions[0], alt_functions[1], alt_functions[2], alt_functions[3],
pal_lines[0], pal_lines[1], pal_lines[2], pal_lines[3]))
f.write('#define HAL_PWM_GROUPS %s\n\n' % ','.join(groups))
def write_ADC_config(f):
'''write ADC config defines'''
f.write('// ADC config\n')
adc_chans = []
for l in bylabel:
p = bylabel[l]
if not p.type.startswith('ADC'):
continue
chan = get_ADC1_chan(mcu_type, p.portpin)
scale = p.extra_value('SCALE', default=None)
if p.label == 'VDD_5V_SENS':
f.write('#define ANALOG_VCC_5V_PIN %u\n' % chan)
adc_chans.append((chan, scale, p.label, p.portpin))
adc_chans = sorted(adc_chans)
vdd = get_config('STM32_VDD')
if vdd[-1] == 'U':
vdd = vdd[:-1]
vdd = float(vdd) * 0.01
f.write('#define HAL_ANALOG_PINS { \\\n')
for (chan, scale, label, portpin) in adc_chans:
scale_str = '%.2f/4096' % vdd
if scale is not None and scale != '1':
scale_str = scale + '*' + scale_str
f.write('{ %2u, %12s }, /* %s %s */ \\\n' % (chan, scale_str, portpin,
label))
f.write('}\n\n')
def write_GPIO_config(f):
'''write GPIO config defines'''
f.write('// GPIO config\n')
gpios = []
for l in bylabel:
p = bylabel[l]
gpio = p.extra_value('GPIO', type=int)
if gpio is None:
continue
# see if it is also a PWM pin
pwm = p.extra_value('PWM', type=int, default=0)
port = p.port
pin = p.pin
gpios.append((gpio, pwm, port, pin, p))
gpios = sorted(gpios)
for (gpio, pwm, port, pin, p) in gpios:
f.write('#define HAL_GPIO_LINE_GPIO%u PAL_LINE(GPIO%s, %2uU)\n' % (gpio, port, pin))
f.write('#define HAL_GPIO_PINS { \\\n')
for (gpio, pwm, port, pin, p) in gpios:
f.write('{ %3u, true, %2u, PAL_LINE(GPIO%s, %2uU), EXT_MODE_GPIO%s }, /* %s */ \\\n' %
(gpio, pwm, port, pin, port, p))
# and write #defines for use by config code
f.write('}\n\n')
f.write('// full pin define list\n')
for l in sorted(bylabel.keys()):
p = bylabel[l]
label = p.label
label = label.replace('-', '_')
f.write('#define HAL_GPIO_PIN_%-20s PAL_LINE(GPIO%s,%uU)\n' %
(label, p.port, p.pin))
f.write('\n')
def write_ROMFS(outdir):
'''create ROMFS embedded header'''
from embed import create_embedded_h
create_embedded_h(os.path.join(outdir, 'ap_romfs_embedded.h'), romfs)
def write_prototype_file():
'''write the prototype file for apj generation'''
pf = open(os.path.join(outdir, "apj.prototype"), "w")
pf.write('''{
"board_id": %s,
"magic": "PX4FWv1",
"description": "Firmware for the %s board",
"image": "",
"build_time": 0,
"summary": "PX4FMUv3",
"version": "0.1",
"image_size": 0,
"git_identity": "",
"board_revision": 0
}
''' % (get_config('APJ_BOARD_ID'),
get_config('APJ_BOARD_TYPE', default=mcu_type)))
def write_peripheral_enable(f):
'''write peripheral enable lines'''
f.write('// peripherals enabled\n')
for type in sorted(bytype.keys()):
if type.startswith('USART') or type.startswith('UART'):
f.write('#define STM32_SERIAL_USE_%-6s TRUE\n' % type)
if type.startswith('SPI'):
f.write('#define STM32_SPI_USE_%s TRUE\n' % type)
if type.startswith('OTG'):
f.write('#define STM32_USB_USE_%s TRUE\n' % type)
if type.startswith('I2C'):
f.write('#define STM32_I2C_USE_%s TRUE\n' % type)
def get_dma_exclude(periph_list):
'''return list of DMA devices to exclude from DMA'''
dma_exclude = []
for periph in periph_list:
if periph not in bylabel:
continue
p = bylabel[periph]
if p.has_extra('NODMA'):
dma_exclude.append(periph)
return dma_exclude
def write_hwdef_header(outfilename):
'''write hwdef header file'''
print("Writing hwdef setup in %s" % outfilename)
f = open(outfilename, 'w')
f.write('''/*
generated hardware definitions from hwdef.dat - DO NOT EDIT
*/
#pragma once
''')
write_mcu_config(f)
write_USB_config(f)
write_I2C_config(f)
write_SPI_config(f)
write_ADC_config(f)
write_GPIO_config(f)
write_peripheral_enable(f)
write_prototype_file()
dma_resolver.write_dma_header(f, periph_list, mcu_type,
dma_exclude=get_dma_exclude(periph_list),
dma_priority=get_config('DMA_PRIORITY',default='TIM* SPI*'),
dma_noshare=get_config('DMA_NOSHARE',default=''))
write_PWM_config(f)
write_UART_config(f)
if len(romfs) > 0:
f.write('#define HAL_HAVE_AP_ROMFS_EMBEDDED_H 1\n')
f.write('''
/*
* I/O ports initial setup, this configuration is established soon after reset
* in the initialization code.
* Please refer to the STM32 Reference Manual for details.
*/
#define PIN_MODE_INPUT(n) (0U << ((n) * 2U))
#define PIN_MODE_OUTPUT(n) (1U << ((n) * 2U))
#define PIN_MODE_ALTERNATE(n) (2U << ((n) * 2U))
#define PIN_MODE_ANALOG(n) (3U << ((n) * 2U))
#define PIN_ODR_LOW(n) (0U << (n))
#define PIN_ODR_HIGH(n) (1U << (n))
#define PIN_OTYPE_PUSHPULL(n) (0U << (n))
#define PIN_OTYPE_OPENDRAIN(n) (1U << (n))
#define PIN_OSPEED_VERYLOW(n) (0U << ((n) * 2U))
#define PIN_OSPEED_LOW(n) (1U << ((n) * 2U))
#define PIN_OSPEED_MEDIUM(n) (2U << ((n) * 2U))
#define PIN_OSPEED_HIGH(n) (3U << ((n) * 2U))
#define PIN_PUPDR_FLOATING(n) (0U << ((n) * 2U))
#define PIN_PUPDR_PULLUP(n) (1U << ((n) * 2U))
#define PIN_PUPDR_PULLDOWN(n) (2U << ((n) * 2U))
#define PIN_AFIO_AF(n, v) ((v) << (((n) % 8U) * 4U))
''')
for port in sorted(ports):
f.write("/* PORT%s:\n" % port)
for pin in range(pincount[port]):
p = portmap[port][pin]
if p.label is not None:
f.write(" %s\n" % p)
f.write("*/\n\n")
if pincount[port] == 0:
# handle blank ports
for vtype in vtypes:
f.write("#define VAL_GPIO%s_%-7s 0x0\n" % (port,
vtype))
f.write("\n\n\n")
continue
for vtype in vtypes:
f.write("#define VAL_GPIO%s_%-7s (" % (p.port, vtype))
first = True
for pin in range(pincount[port]):
p = portmap[port][pin]
modefunc = getattr(p, "get_" + vtype)
v = modefunc()
if v is None:
continue
if not first:
f.write(" | \\\n ")
f.write(v)
first = False
if first:
# there were no pin definitions, use 0
f.write("0")
f.write(")\n\n")
def build_peripheral_list():
'''build a list of peripherals for DMA resolver to work on'''
peripherals = []
done = set()
prefixes = ['SPI', 'USART', 'UART', 'I2C']
for p in allpins:
type = p.type
if type in done:
continue
for prefix in prefixes:
if type.startswith(prefix):
peripherals.append(type + "_TX")
peripherals.append(type + "_RX")
if type.startswith('ADC'):
peripherals.append(type)
if type.startswith('SDIO') or type.startswith('SDMMC'):
peripherals.append(type)
if type.startswith('TIM'):
if p.has_extra('RCIN'):
label = p.label
if label[-1] == 'N':
label = label[:-1]
peripherals.append(label)
elif not p.has_extra('ALARM'):
# get the TIMn_UP DMA channels for DShot
label = type + '_UP'
if not label in peripherals:
peripherals.append(label)
done.add(type)
return peripherals
def write_env_py(filename):
'''write out env.py for environment variables to control the build process'''
# see if board has a defaults.parm file
defaults_filename = os.path.join(os.path.dirname(args.hwdef), 'defaults.parm')
if os.path.exists(defaults_filename):
print("Adding defaults.parm")
env_vars['DEFAULT_PARAMETERS'] = os.path.abspath(defaults_filename)
# CHIBIOS_BUILD_FLAGS is passed to the ChibiOS makefile
env_vars['CHIBIOS_BUILD_FLAGS'] = ' '.join(build_flags)
pickle.dump(env_vars, open(filename, "wb"))
def process_line(line):
'''process one line of pin definition file'''
global allpins
a = shlex.split(line)
# keep all config lines for later use
alllines.append(line)
if a[0].startswith('P') and a[0][1] in ports and a[0] in config:
print("WARNING: Pin %s redefined" % a[0])
config[a[0]] = a[1:]
if a[0] == 'MCU':
global mcu_type
mcu_type = a[2]
if a[0].startswith('P') and a[0][1] in ports:
# it is a port/pin definition
try:
port = a[0][1]
pin = int(a[0][2:])
label = a[1]
type = a[2]
extra = a[3:]
except Exception:
error("Bad pin line: %s" % a)
return
p = generic_pin(port, pin, label, type, extra)
portmap[port][pin] = p
allpins.append(p)
if not type in bytype:
bytype[type] = []
bytype[type].append(p)
bylabel[label] = p
af = get_alt_function(mcu_type, a[0], label)
if af is not None:
p.af = af
if a[0] == 'SPIDEV':
spidev.append(a[1:])
if a[0] == 'ROMFS':
romfs.append((a[1],a[2]))
if a[0] == 'undef':
print("Removing %s" % a[1])
config.pop(a[1], '')
bytype.pop(a[1],'')
bylabel.pop(a[1],'')
#also remove all occurences of defines in previous lines if any
for line in alllines[:]:
if line.startswith('define') and a[1] in line:
alllines.remove(line)
newpins = []
for pin in allpins:
if pin.type == a[1]:
continue
if pin.label == a[1]:
continue
if pin.portpin == a[1]:
continue
newpins.append(pin)
allpins = newpins
if a[0] == 'env':
print("Adding environment %s" % ' '.join(a[1:]))
if len(a[1:]) < 2:
error("Bad env line for %s" % a[0])
env_vars[a[1]] = ' '.join(a[2:])
def process_file(filename):
'''process a hwdef.dat file'''
try:
f = open(filename, "r")
except Exception:
error("Unable to open file %s" % filename)
for line in f.readlines():
line = line.strip()
if len(line) == 0 or line[0] == '#':
continue
a = shlex.split(line)
if a[0] == "include" and len(a) > 1:
include_file = a[1]
if include_file[0] != '/':
dir = os.path.dirname(filename)
include_file = os.path.normpath(
os.path.join(dir, include_file))
print("Including %s" % include_file)
process_file(include_file)
else:
process_line(line)
# process input file
process_file(args.hwdef)
outdir = args.outdir
if outdir is None:
outdir = '/tmp'
if not "MCU" in config:
error("Missing MCU type in config")
mcu_type = get_config('MCU', 1)
print("Setup for MCU %s" % mcu_type)
# build a list for peripherals for DMA resolver
periph_list = build_peripheral_list()
# write out hwdef.h
write_hwdef_header(os.path.join(outdir, "hwdef.h"))
# write out ldscript.ld
write_ldscript(os.path.join(outdir, "ldscript.ld"))
write_ROMFS(outdir)
# copy the shared linker script into the build directory; it must
# exist in the same directory as the ldscript.ld file we generate.
copy_common_linkerscript(outdir, args.hwdef)
write_env_py(os.path.join(outdir, "env.py"))