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152 Commits

Author SHA1 Message Date
Damien George
06aa13c350 stm32/can: Use explicit byte extraction instead of casting to word ptr. 
Casting the Data array to a uint32_t* leads to strict aliasing errors on
older gcc compilers.
 2018-03-16 23:52:13 +11:00
Damien George
a25e6c6b65 stm32/can: Add CAN.info() method to retrieve error and tx/rx buf info. 2018-03-16 18:28:35 +11:00
Damien George
d7e67fb1b4 stm32/can: Add CAN.state() method to get the state of the controller. 
This is useful for monitoring errors on the bus and knowing when a restart
is needed.
 2018-03-16 17:10:41 +11:00
Damien George
1272c3c65d stm32/can: Add CAN.restart() method so controller can leave bus-off. 2018-03-15 17:29:30 +11:00
Damien George
823ca03008 stm32/can: Add "auto_restart" option to constructor and init() method. 2018-03-15 17:17:33 +11:00
Damien George
1608c4f5be stm32/can: Use enums to index keyword arguments, for clarity. 2018-03-15 17:15:41 +11:00
Damien George
2036196d71 stm32/can: Improve can.recv() so it checks for events, eg ctrl-C. 
This patch provides a custom (and simple) function to receive data on the
CAN bus, instead of the HAL function.  This custom version calls
mp_handle_pending() while waiting for messages, which, among other things,
allows to interrupt the recv() method via KeyboardInterrupt.
 2018-03-15 16:34:07 +11:00
Damien George
22a9158ced stm32/boards/STM32L476DISC: Enable CAN peripheral. 
This board allows to test CAN support on the L4 series.
 2018-03-15 16:32:11 +11:00
Damien George
1345093401 stm32/qspi: Do an explicit read instead of using memory-mapped mode. 
Using an explicit read eliminates the need to invalidate the D-cache after
enabling the memory mapping mode, which takes additional time.
 2018-03-11 18:28:48 +11:00
Damien George
0d5bccad11 stm32/storage: Provide support for a second block device. 2018-03-10 01:03:27 +11:00
Damien George
bb3359f357 stm32/boards/STM32L476DISC: Provide SPI-flash bdev config. 
This board shows how to configure external SPI flash as the main storage
medium.  It uses software SPI.
 2018-03-10 00:59:43 +11:00
Damien George
626d6c9756 stm32/storage: Introduce MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE cfg. 
This config variable controls whether to support storage on the internal
flash of the MCU.  It is enabled by default and should be explicitly
disabled by boards that don't want internal flash storage.
 2018-03-10 00:59:43 +11:00
Damien George
d1c4bd69df stm32/storage: Remove all SPI-flash bdev cfg, to be provided per board. 
If a board wants to use SPI flash for storage then it must now provide the
configuration itself, using the MICROPY_HW_BDEV_xxx macros.
 2018-03-10 00:59:43 +11:00
Damien George
1803e8ef22 stm32/storage: Make spi_bdev interface take a data pointer as first arg. 
This allows a board to have multiple instances of the SPI block device.
 2018-03-10 00:59:43 +11:00
Damien George
1e4caf0b1e stm32/storage: Merge all misc block-dev funcs into a single ioctl func. 
It makes it cleaner, and simpler to support multiple different block
devices.  It also allows to easily extend a given block device with new
ioctl operations.
 2018-03-10 00:59:43 +11:00
Damien George
a739b35a96 drivers/memory/spiflash: Change to use low-level SPI object not uPy one. 
This patch alters the SPI-flash memory driver so that it uses the new
low-level C SPI protocol (from drivers/bus/spi.h) instead of the uPy SPI
protocol (from extmod/machine_spi.h).  This allows the SPI-flash driver to
be used independently from the uPy runtime.
 2018-03-10 00:59:43 +11:00
Damien George
58ebeca6a9 drivers/bus: Pull out software SPI implementation to dedicated driver. 
This patch takes the software SPI implementation from extmod/machine_spi.c
and moves it to a dedicated file in drivers/bus/softspi.c.  This allows the
SPI driver to be used independently of the uPy runtime, making it a more
general component.
 2018-03-10 00:59:43 +11:00
iabdalkader
ad2a6e538c stm32/system_stm32: Fix CONFIG_RCC_CR_2ND value to use bitwise or. 2018-03-09 23:37:09 +11:00
Tom Collins
993f4345c0 stm32/usbd_conf.h: Add include of stdint.h to fix compilation issues. 2018-03-09 16:08:08 +11:00
Damien George
eb56efb434 stm32: Remove startup_stm32.S, now provided in boards/ for each MCU. 2018-03-09 15:14:24 +11:00
iabdalkader
66748aaf60 stm32/Makefile: Use separate startup file for each MCU series. 2018-03-09 15:14:17 +11:00
iabdalkader
88157715db stm32/boards: Add startup_stm32l4.s for L4 series specific startup. 2018-03-09 15:14:10 +11:00
iabdalkader
e3b81f5712 stm32/boards: Add startup_stm32f4.s for F4 series specific startup. 2018-03-09 15:14:03 +11:00
iabdalkader
d84f1a90cc stm32/boards: Add startup_stm32f7.s for F7 series specific startup. 2018-03-09 15:13:56 +11:00
iabdalkader
0f5cce7753 stm32/boards: Add startup_stm32h7.s for H7 series specific startup. 2018-03-09 15:13:13 +11:00
iabdalkader
bbf19bb64e stm32/main: Enable D2 SRAM1/2/3 clocks on H7 MCUs. 2018-03-09 15:12:58 +11:00
iabdalkader
61d463ad07 stm32/mpconfigboard_common: Add STM32H7 common configuration. 2018-03-09 15:12:44 +11:00
iabdalkader
6d3f42f713 stm32/extint: Add EXTI support for H7 MCUs. 2018-03-09 15:12:34 +11:00
iabdalkader
711f817c2a stm32/rtc: Add RTC support for H7 MCUs. 2018-03-09 15:12:29 +11:00
iabdalkader
0e51e4d139 stm32/dma: Add DMA support for H7 MCUs. 2018-03-09 15:12:19 +11:00
iabdalkader
fe29419c10 stm32/stm32_it: Add support for H7 MCUs. 2018-03-09 15:12:01 +11:00
iabdalkader
2858e0aef8 stm32/usbd_conf: Add USB support for H7 MCUs. 2018-03-09 15:11:22 +11:00
iabdalkader
d151adb791 stm32/modmachine: Support basic H7 MCU features. 2018-03-09 15:10:53 +11:00
iabdalkader
0989e0cdff stm32/timer: Add Timer support for H7 MCUs. 2018-03-09 15:10:46 +11:00
iabdalkader
b982b95c18 stm32/uart: Add UART support for H7 MCUs. 2018-03-09 15:10:39 +11:00
iabdalkader
a863c60439 stm32/wdt: Add WDT support for H7 MCUs. 2018-03-09 15:10:31 +11:00
iabdalkader
3f86fbcb07 stm32/mphalport: Use GPIO BSRRL/BSRRH registers for H7 MCUs. 2018-03-09 15:10:10 +11:00
iabdalkader
2e93d4167d stm32/system_stm32: Add H7 MCU system initialisation. 2018-03-09 15:09:56 +11:00
iabdalkader
81f8f5f163 stm32/flash: Add flash support for H7 MCUs. 2018-03-09 15:09:49 +11:00
iabdalkader
b8d09b9bef stm32/Makefile: Add settings to support H7 MCUs. 2018-03-09 15:09:29 +11:00
iabdalkader
fabfacf3d7 stm32/boards: Add new NUCLEO_H743ZI board configuration files. 
USB serial and mass storage works, and the REPL is also available via the
UART through the on-board ST-LINK.
 2018-03-09 15:08:11 +11:00
Damien George
8522874167 stm32/boards: Add stm32h743.ld linker script. 2018-03-09 15:08:11 +11:00
Damien George
a3c721772e stm32/boards: Add stm32h743_af.csv file describing H7 GPIO alt funcs. 2018-03-09 14:06:34 +11:00
sec2
250b24fe36 stm32/boards/NUCLEO_F767ZI: Update pins list to include 3 extra pins. 2018-03-07 18:53:02 +11:00
sec2
bda3620616 stm32/boards/stm32f767_af.csv: Add ADC column to pin capability list. 2018-03-07 18:40:06 +11:00
Damien George
024edafea0 stm32/i2c: On F4 MCUs report the actual I2C SCL frequency. 2018-03-07 14:59:03 +11:00
Damien George
adda38cf76 stm32/qspi: Add hardware QSPI driver, with memory-map capability. 
It supports the abstract QSPI protocol defined in drivers/bus/qspi.h.
 2018-03-03 00:17:08 +11:00
Damien George
8bd0a51ca9 stm32/spibdev: Convert to use multiple block read/write interface. 
The spiflash driver now supports read/write of multiple blocks at a time.
 2018-03-03 00:13:15 +11:00
Damien George
861080aa3d stm32/storage: Add option for bdev to supply readblock/writeblocks. 
If the underlying block device supports it, it's more efficient to
read/write multiple blocks at once.
 2018-03-02 23:57:53 +11:00
Damien George
0210383da5 stm32/spibdev: Add option to configure SPI block dev to use QSPI flash. 
To use QSPI (in software QSPI mode) the configuration needed is:

    #define MICROPY_HW_SPIFLASH_SIZE_BITS (n * 1024 * 1024)
    #define MICROPY_HW_SPIFLASH_CS      (pin_x1)
    #define MICROPY_HW_SPIFLASH_SCK     (pin_x2)
    #define MICROPY_HW_SPIFLASH_IO0     (pin_x3)
    #define MICROPY_HW_SPIFLASH_IO1     (pin_x4)
    #define MICROPY_HW_SPIFLASH_IO2     (pin_x5)
    #define MICROPY_HW_SPIFLASH_IO3     (pin_x6)
 2018-03-02 23:55:45 +11:00