Initial checkin with STM HAL

This compiles and links, but hasn't been tested on a board
yet and even if it was run, it doesn't currently do anything.

stmhal/Makefile

+include ../py/mkenv.mk
+
+# qstr definitions (must come before including py.mk)
+QSTR_DEFS = qstrdefsport.h
+
+# include py core make definitions
+include ../py/py.mk
+
+CMSIS_DIR=cmsis
+HAL_DIR=hal
+#STMUSB_DIR=stmusb
+#STMUSBD_DIR=stmusbd
+#STMUSBH_DIR=stmusbh
+#FATFS_DIR=fatfs
+#CC3K_DIR=cc3k
+DFU=../tools/dfu.py
+
+CROSS_COMPILE = arm-none-eabi-
+
+INC =  -I.
+INC += -I$(PY_SRC)
+INC += -I$(CMSIS_DIR)/inc
+INC += -I$(CMSIS_DIR)/devinc
+INC += -I$(HAL_DIR)/inc
+#INC += -I$(STMUSB_DIR)
+#INC += -I$(STMUSBD_DIR)
+#INC += -I$(STMUSBH_DIR)
+#INC += -I$(FATFS_DIR)
+#INC += -I$(CC3K_DIR)
+
+CFLAGS_CORTEX_M4 = -mthumb -mtune=cortex-m4 -mabi=aapcs-linux -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fsingle-precision-constant -Wdouble-promotion
+CFLAGS = $(INC) -Wall -Werror -ansi -std=gnu99 $(CFLAGS_CORTEX_M4) $(COPT)
+
+BOARD = STM32F4DISC
+BOARD ?= PYBOARD4
+ifeq ($(wildcard boards/$(BOARD)/.),)
+$(error Invalid BOARD specified)
+endif
+CFLAGS += -Iboards/$(BOARD)
+
+#Debugging/Optimization
+ifeq ($(DEBUG), 1)
+CFLAGS += -g -DPENDSV_DEBUG
+COPT = -O0
+else
+COPT += -Os -DNDEBUG
+endif
+
+LDFLAGS = --nostdlib -T stm32f405.ld -Map=$(@:.elf=.map) --cref
+LIBS =
+
+# uncomment this if you want libgcc
+#LIBS += $(shell $(CC) -print-libgcc-file-name)
+
+SRC_C = \
+	main.c \
+	system_stm32f4xx.c \
+
+#	printf.c \
+#	math.c \
+#	stm32fxxx_it.c \
+#	string0.c \
+#	malloc0.c \
+#	systick.c  \
+#	pendsv.c \
+#	gccollect.c \
+#	lexerfatfs.c \
+#	import.c \
+#	pyexec.c \
+#	led.c \
+#	gpio.c \
+#	lcd.c \
+#	servo.c \
+#	flash.c \
+#	storage.c \
+#	accel.c \
+#	usart.c \
+#	usb.c \
+#	timer.c \
+#	audio.c \
+#	sdcard.c \
+#	i2c.c \
+#	adc.c \
+#	rtc.c \
+#	file.c \
+#	pin.c \
+#	pin_named_pins.c \
+#	pin_map.c \
+#	exti.c \
+#	usrsw.c \
+#	pybmodule.c \
+#	pybwlan.c \
+
+SRC_S = \
+	startup_stm32f40xx.s \
+
+#	gchelper.s \
+
+SRC_HAL = $(addprefix $(HAL_DIR)/src/,\
+	stm32f4xx_hal.c \
+	stm32f4xx_hal_cortex.c \
+	)
+
+SRC_STMPERIPH = $(addprefix $(STMPERIPH_DIR)/,\
+	stm_misc.c \
+	stm32f4xx_rcc.c \
+	stm32f4xx_syscfg.c \
+	stm32f4xx_flash.c \
+	stm32f4xx_dma.c \
+	stm32f4xx_gpio.c \
+	stm32f4xx_exti.c \
+	stm32f4xx_tim.c \
+	stm32f4xx_sdio.c \
+	stm32f4xx_pwr.c \
+	stm32f4xx_rtc.c \
+	stm32f4xx_usart.c \
+	stm32f4xx_spi.c \
+	stm32f4xx_dac.c \
+	stm32f4xx_rng.c \
+	stm32f4xx_i2c.c \
+	stm32f4xx_adc.c \
+	stm324x7i_eval.c \
+	stm324x7i_eval_sdio_sd.c \
+	)
+
+SRC_STMUSB = $(addprefix $(STMUSB_DIR)/,\
+	usb_core.c \
+	usb_bsp.c \
+	usb_dcd.c \
+	usb_dcd_int.c \
+	usb_hcd.c \
+	usb_hcd_int.c \
+	)
+#	usb_otg.c \
+
+SRC_STMUSBD = $(addprefix $(STMUSBD_DIR)/,\
+	usbd_core.c \
+	usbd_ioreq.c \
+	usbd_req.c \
+	usbd_usr.c \
+	usbd_desc.c \
+	usbd_pyb_core.c \
+	usbd_pyb_core2.c \
+	usbd_cdc_vcp.c \
+	usbd_msc_bot.c  \
+	usbd_msc_data.c \
+	usbd_msc_scsi.c \
+	usbd_storage_msd.c \
+	)
+
+SRC_STMUSBH = $(addprefix $(STMUSBH_DIR)/,\
+	usbh_core.c \
+	usbh_hcs.c \
+	usbh_stdreq.c \
+	usbh_ioreq.c \
+	usbh_usr.c \
+	usbh_hid_core.c \
+	usbh_hid_mouse.c \
+	usbh_hid_keybd.c \
+	)
+
+SRC_FATFS = $(addprefix $(FATFS_DIR)/,\
+	ff.c \
+	diskio.c \
+	ccsbcs.c \
+	)
+
+SRC_CC3K = $(addprefix $(CC3K_DIR)/,\
+	cc3000_common.c \
+	evnt_handler.c \
+	hci.c \
+	netapp.c \
+	nvmem.c \
+	security.c \
+	socket.c \
+	wlan.c \
+	ccspi.c \
+	pybcc3k.c \
+	)
+
+OBJ =
+#OBJ += $(PY_O)
+OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
+OBJ += $(addprefix $(BUILD)/, $(SRC_S:.s=.o))
+OBJ += $(addprefix $(BUILD)/, $(SRC_HAL:.c=.o))
+#OBJ += $(addprefix $(BUILD)/, $(SRC_STMUSB:.c=.o))
+#OBJ += $(addprefix $(BUILD)/, $(SRC_STMUSBD:.c=.o))
+#OBJ += $(addprefix $(BUILD)/, $(SRC_STMUSBH:.c=.o))
+#OBJ += $(addprefix $(BUILD)/, $(SRC_FATFS:.c=.o))
+#OBJ += $(addprefix $(BUILD)/, $(SRC_CC3K:.c=.o))
+#OBJ += $(BUILD)/pins_$(BOARD).o
+
+all: $(BUILD)/flash.dfu
+
+$(BUILD)/flash.dfu: $(BUILD)/flash0.bin $(BUILD)/flash1.bin
+	$(ECHO) "Create $@"
+	$(Q)python $(DFU) -b 0x08000000:$(BUILD)/flash0.bin -b 0x08020000:$(BUILD)/flash1.bin $@
+
+$(BUILD)/flash0.bin: $(BUILD)/flash.elf
+	$(Q)$(OBJCOPY) -O binary -j .isr_vector $^ $@
+
+$(BUILD)/flash1.bin: $(BUILD)/flash.elf
+	$(Q)$(OBJCOPY) -O binary -j .text -j .data $^ $@
+
+$(BUILD)/flash.elf: $(OBJ)
+	$(ECHO) "LINK $@"
+	$(Q)$(LD) $(LDFLAGS) -o $@ $(OBJ) $(LIBS)
+	$(Q)$(SIZE) $@
+
+MAKE_PINS = boards/make-pins.py
+BOARD_PINS = boards/$(BOARD)/pins.csv
+AF_FILE = boards/stm32f4xx-af.csv
+PREFIX_FILE = boards/stm32f4xx-prefix.c
+GEN_PINS_SRC = $(BUILD)/pins_$(BOARD).c
+GEN_PINS_HDR = $(BUILD)/pins.h
+
+# Making OBJ use an order-only depenedency on the generated pins.h file
+# has the side effect of making the pins.h file before we actually compile
+# any of the objects. The normal dependency generation will deal with the
+# case when pins.h is modified. But when it doesn't exist, we don't know
+# which source files might need it.
+#$(OBJ): | $(BUILD)/pins.h
+
+# Use a pattern rule here so that make will only call make-pins.py once to make
+# both pins_$(BOARD).c and pins.h
+$(BUILD)/%_$(BOARD).c $(BUILD)/%.h: boards/$(BOARD)/%.csv $(MAKE_PINS) $(AF_FILE) $(PREFIX_FILE)
+	$(ECHO) "Create $@"
+	$(Q)python $(MAKE_PINS) --board $(BOARD_PINS) --af $(AF_FILE) --prefix $(PREFIX_FILE) --hdr $(GEN_PINS_HDR) > $(GEN_PINS_SRC)
+
+$(BUILD)/pins_$(BOARD).o: $(BUILD)/pins_$(BOARD).c
+	$(call compile_c)
+
+include ../py/mkrules.mk

stmhal/boards/NETDUINO_PLUS_2/mpconfigboard.h

+#define NETDUINO_PLUS_2
+
+#define MICROPY_HW_BOARD_NAME       "NetduinoPlus2"
+
+#define MICROPY_HW_HAS_SWITCH       (1)
+
+// On the netuino, the sdcard appears to be wired up as a 1-bit
+// SPI, so the driver needs to be converted to support that before
+// we can turn this on.
+#define MICROPY_HW_HAS_SDCARD       (0)
+#define MICROPY_HW_HAS_MMA7660      (0)
+#define MICROPY_HW_HAS_LIS3DSH      (0)
+#define MICROPY_HW_HAS_LCD          (0)
+#define MICROPY_HW_HAS_WLAN         (0)
+#define MICROPY_HW_ENABLE_RNG       (1)
+#define MICROPY_HW_ENABLE_RTC       (0)
+#define MICROPY_HW_ENABLE_TIMER     (1)
+#define MICROPY_HW_ENABLE_SERVO     (1)
+#define MICROPY_HW_ENABLE_AUDIO     (0)
+
+// USRSW is pulled low. Pressing the button makes the input go high.
+#define USRSW_PIN           (pin_B11)
+#define USRSW_PUPD          (GPIO_PuPd_NOPULL)
+#define USRSW_EXTI_EDGE     (EXTI_Trigger_Rising)
+#define USRSW_PRESSED       (1)
+
+/* LED */
+#define PYB_LED1        (pin_A10)   // Blue LED
+#define PYB_LED2        (pin_C13)   // White LED (aka Power)
+#define PYB_LED3        (pin_A10)   // Same as Led(1)
+#define PYB_LED4        (pin_C13)   // Same as Led(2)
+
+#define PYB_OTYPE       (GPIO_OType_PP)
+
+#define PYB_LED_ON(pin)  (pin->gpio->BSRRL = pin->pin_mask)
+#define PYB_LED_OFF(pin) (pin->gpio->BSRRH = pin->pin_mask)
+
+#define HSE_VALUE (25000000)

stmhal/boards/NETDUINO_PLUS_2/pins.csv

+D0,PC7
+D1,PC6
+D2,PA3
+D3,PA2
+D4,PB12
+D5,PB8
+D6,PB9
+D7,PA1
+D8,PA0
+D9,PA6
+D10,PB10
+D11,PB15
+D12,PB14
+D13,PB13
+A0,PC0
+A1,PC1
+A2,PC2
+A3,PC3
+A4,PC4
+A5,PC5
+LED,PA10
+SW,PB11
+PWR_LED,PC13
+PWR_SD,PB1
+PWR_HDR,PB2
+PWR_ETH,PC15
+RST_ETH,PD2
+

stmhal/boards/PYBOARD3/mpconfigboard.h

+#define PYBOARD3
+
+#define MICROPY_HW_BOARD_NAME       "PYBv3"
+
+#define MICROPY_HW_HAS_SWITCH       (1)
+#define MICROPY_HW_HAS_SDCARD       (1)
+#define MICROPY_HW_HAS_MMA7660      (1)
+#define MICROPY_HW_HAS_LIS3DSH      (0)
+#define MICROPY_HW_HAS_LCD          (0)
+#define MICROPY_HW_HAS_WLAN         (0)
+#define MICROPY_HW_ENABLE_RNG       (1)
+#define MICROPY_HW_ENABLE_RTC       (1)
+#define MICROPY_HW_ENABLE_TIMER     (1)
+#define MICROPY_HW_ENABLE_SERVO     (1)
+#define MICROPY_HW_ENABLE_AUDIO     (0)
+
+// USRSW has no pullup or pulldown, and pressing the switch makes the input go low
+#define USRSW_PIN           (pin_A13)
+#define USRSW_PUPD          (GPIO_PuPd_UP)
+#define USRSW_EXTI_EDGE     (EXTI_Trigger_Falling)
+#define USRSW_PRESSED       (0)
+
+/* LED */
+#define PYB_LED1        (pin_A8)  // R1 - red
+#define PYB_LED2        (pin_A10) // R2 - red
+#define PYB_LED3        (pin_C4)  // G1 - green
+#define PYB_LED4        (pin_C5)  // G2 - green
+
+#define PYB_OTYPE       (GPIO_OType_PP)
+
+#define PYB_LED_ON(pin)  (pin->gpio->BSRRH = pin->pin_mask)
+#define PYB_LED_OFF(pin) (pin->gpio->BSRRL = pin->pin_mask)

stmhal/boards/PYBOARD3/pins.csv

+B13,PB13
+B14,PB14
+B15,PB15
+C6,PC6
+C7,PC7
+A13,PA13
+A14,PA14
+A15,PA15
+B3,PB3
+B4,PB4
+B6,PB6
+B7,PB7
+B8,PB8
+B9,PB9
+C0,PC0
+C1,PC1
+C2,PC2
+C3,PC3
+A0,PA0
+A1,PA1
+A2,PA2
+A3,PA3
+A4,PA4
+A5,PA5
+A6,PA6
+A7,PA7
+B0,PB0
+B1,PB1
+B10,PB10
+B11,PB11
+B12,PB12
+LED_R1,PA8
+LED_R2,PA10
+LED_G1,PC4
+LED_G2,PC5
+SW,PA13
+

stmhal/boards/PYBOARD4/mpconfigboard.h

+#define PYBOARD4
+
+#define MICROPY_HW_BOARD_NAME       "PYBv4"
+
+#define MICROPY_HW_HAS_SWITCH       (1)
+#define MICROPY_HW_HAS_SDCARD       (1)
+#define MICROPY_HW_HAS_MMA7660      (1)
+#define MICROPY_HW_HAS_LIS3DSH      (0)
+#define MICROPY_HW_HAS_LCD          (1)
+#define MICROPY_HW_HAS_WLAN         (0)
+#define MICROPY_HW_ENABLE_RNG       (1)
+#define MICROPY_HW_ENABLE_RTC       (1)
+#define MICROPY_HW_ENABLE_TIMER     (1)
+#define MICROPY_HW_ENABLE_SERVO     (1)
+#define MICROPY_HW_ENABLE_AUDIO     (1)
+
+// USRSW has no pullup or pulldown, and pressing the switch makes the input go low
+#define USRSW_PIN           (pin_B3)
+#define USRSW_PUPD          (GPIO_PuPd_UP)
+#define USRSW_EXTI_EDGE     (EXTI_Trigger_Falling)
+#define USRSW_PRESSED       (0)
+
+/* LED */
+#define PYB_LED1        (pin_A13) // red
+#define PYB_LED2        (pin_A14) // green
+#define PYB_LED3        (pin_A15) // yellow
+#define PYB_LED4        (pin_B4)  // blue
+
+#define PYB_OTYPE       (GPIO_OType_PP)
+
+#define PYB_LED_ON(pin)  (pin->gpio->BSRRL = pin->pin_mask)
+#define PYB_LED_OFF(pin) (pin->gpio->BSRRH = pin->pin_mask)
+

stmhal/boards/PYBOARD4/pins.csv

+X1,PA0
+X2,PA1
+X3,PA2
+X4,PA3
+X5,PA4
+X6,PA5
+X7,PA6
+X8,PA7
+X9,PB6
+X10,PB7
+X11,PC4
+X12,PC5
+X13,Reset
+X14,GND
+X15,3.3V
+X16,VIN
+X17,PB3
+X18,PC13
+X19,PC0
+X20,PC1
+X21,PC2
+X22,PC3
+X23,A3.3V
+X24,AGND
+Y1,PC6
+Y2,PC7
+Y3,PB8
+Y4,PB9
+Y5,PB12
+Y6,PB13
+Y7,PB14
+Y8,PB15
+Y9,PB10
+Y10,PB11
+Y11,PB0
+Y12,PB1
+Y13,Reset
+Y14,GND
+Y15,3.3V
+Y16,VIN
+LED_BLUE,PB4
+LED_RED,PA13
+LED_GREEN,PA14
+LED_YELLOW,PA15
+SW,PB3

stmhal/boards/STM32F4DISC/mpconfigboard.h

+#define STM32F4DISC
+
+#define MICROPY_HW_BOARD_NAME       "F4DISC"
+
+#define MICROPY_HW_HAS_SWITCH       (1)
+#define MICROPY_HW_HAS_SDCARD       (0)
+#define MICROPY_HW_HAS_MMA7660      (0)
+#define MICROPY_HW_HAS_LIS3DSH      (1)
+#define MICROPY_HW_HAS_LCD          (0)
+#define MICROPY_HW_HAS_WLAN         (0)
+#define MICROPY_HW_ENABLE_RNG       (1)
+#define MICROPY_HW_ENABLE_RTC       (1)
+#define MICROPY_HW_ENABLE_TIMER     (1)
+#define MICROPY_HW_ENABLE_SERVO     (0)
+#define MICROPY_HW_ENABLE_AUDIO     (0)
+
+// USRSW is pulled low. Pressing the button makes the input go high.
+#define USRSW_PIN           (pin_A0)
+#define USRSW_PUPD          (GPIO_PuPd_NOPULL)
+#define USRSW_EXTI_EDGE     (EXTI_Trigger_Rising)
+#define USRSW_PRESSED       (1)
+
+/* LED */
+#define PYB_LED1        (pin_D14) // red
+#define PYB_LED2        (pin_D12) // green
+#define PYB_LED3        (pin_D13) // orange
+#define PYB_LED4        (pin_D15) // blue
+
+#define PYB_OTYPE       (GPIO_OType_PP)
+
+#define PYB_LED_ON(pin)  (pin->gpio->BSRRL = pin->pin_mask)
+#define PYB_LED_OFF(pin) (pin->gpio->BSRRH = pin->pin_mask)
+

stmhal/boards/STM32F4DISC/pins.csv

+PC0,PC0
+PC1,PC1
+PC2,PC2
+PC3,PC3
+PA0,PA0
+PA1,PA1
+PA2,PA2
+PA3,PA3
+PA4,PA4
+PA5,PA5
+PA6,PA6
+PA7,PA7
+PC4,PC4
+PC5,PC5
+PB0,PB0
+PB1,PB1
+PB2,PB2
+PE7,PE7
+PE8,PE8
+PE9,PE9
+PE10,PE10
+PE11,PE11
+PE12,PE12
+PE13,PE13
+PE14,PE14
+PE15,PE15
+PB10,PB10
+PB11,PB11
+PB12,PB12
+PB13,PB13
+PB14,PB14
+PB15,PB15
+PD8,PD8
+PD9,PD9
+PD10,PD10
+PD11,PD11
+PD12,PD12
+PD13,PD13
+PD14,PD14
+PD15,PD15
+PC6,PC6
+PC7,PC7
+PC8,PC8
+PC9,PC9
+PA8,PA8
+PA9,PA9
+PA10,PA10
+PA13,PA13
+PA14,PA14
+PA15,PA15
+PC10,PC10
+PC11,PC11
+PC12,PC12
+PD0,PD0
+PD1,PD1
+PD2,PD2
+PD3,PD3
+PD4,PD4
+PD5,PD5
+PD6,PD6
+PD7,PD7
+PB4,PB4
+PB5,PB5
+PB6,PB6
+PB7,PB7
+PB8,PB8
+PB9,PB9
+PE0,PE0
+PE1,PE1
+PE2,PE2
+PE3,PE3
+PE4,PE4
+PE5,PE5
+PE6,PE6
+PC13,PC13
+PC14,PC14
+PC15,PC15
+PH0,PH0
+PH1,PH1
+LED_GREEN,PD12
+LED_ORANGE,PD13
+LED_RED,PD14
+LED_BLUE,PD15
+SW,PA0
+

stmhal/boards/STM32F4DISC/stm32f4xx_hal_conf.h

+/**
+  ******************************************************************************
+  * @file    stm32f4xx_hal_conf.h
+  * @author  MCD Application Team
+  * @version V1.0.1
+  * @date    26-February-2014
+  * @brief   HAL configuration file.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */ 
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F4xx_HAL_CONF_H
+#define __STM32F4xx_HAL_CONF_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+#define STM32F407xx
+
+/* ########################## Module Selection ############################## */
+/**
+  * @brief This is the list of modules to be used in the HAL driver 
+  */
+#define HAL_MODULE_ENABLED
+#define HAL_ADC_MODULE_ENABLED
+#define HAL_CAN_MODULE_ENABLED
+#define HAL_CRC_MODULE_ENABLED
+#define HAL_CRYP_MODULE_ENABLED
+#define HAL_DAC_MODULE_ENABLED
+#define HAL_DCMI_MODULE_ENABLED
+#define HAL_DMA_MODULE_ENABLED
+/* #define HAL_DMA2D_MODULE_ENABLED */
+#define HAL_ETH_MODULE_ENABLED
+#define HAL_FLASH_MODULE_ENABLED