2017-03-18 15:05:54 +08:00
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2017-03-18 15:43:49 +08:00
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STM32L0 Cortex-M0/M0+
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STM32L0x1 access line
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2017-03-18 15:55:32 +08:00
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STM32L0x1K access line, 32 Pins (LQFP)
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STM32L0x1F access line, 20 Pins (TSSOP20)
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2017-03-18 15:43:49 +08:00
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STM32L0x2 USB+DAC
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STM32L1 Cortex-M3
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STM32L4 Cortex-M4
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2017-04-04 02:51:08 +08:00
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http://www.st.com/en/microcontrollers/stm32l031f6.html
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2017-03-18 15:43:49 +08:00
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=========
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2017-03-18 15:05:54 +08:00
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http://www.st.com/en/embedded-software/stm32cube-embedded-software.html
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zip file: ~/Downloads/en.stm32cubel0.zip
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this contains the lib,
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STM32Cube_FW_L0_V1.8.0/Drivers/STM32L0xx_HAL_Driver
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however the lib requires a config file.
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example is here:
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STM32Cube_FW_L0_V1.8.0/Projects/STM32L011K4-Nucleo/Examples/GPIO/GPIO_IOToggle/Inc
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startup code (.s files)
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STM32Cube_FW_L0_V1.8.0/Drivers/CMSIS/Device/ST/STM32L0xx/Source/Templates/gcc
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register definitions:
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STM32Cube_FW_L0_V1.8.0/Drivers/CMSIS/Device/ST/STM32L0xx/Include
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STM32L031xNyM
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2017-03-18 15:55:32 +08:00
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3: RAM size? 8KB
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2017-03-18 15:05:54 +08:00
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x: K=32 pins, F=20 pins
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N: 4=16KB, 6=32KB
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y: T=LQFP?
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M: temperature range
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2017-03-18 16:02:13 +08:00
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STM32L031F6P6 TSSOP20, 32K Flash --> available
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STM32L052K8T6 LQFP32, 64K Flash, USB --> available
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2017-03-18 15:55:32 +08:00
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2017-03-18 15:05:54 +08:00
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--> ld file for example here:
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2017-03-26 18:16:39 +08:00
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./STM32Cube_FW_L0_V1.8.0/Projects/STM32L031K6-Nucleo/Templates_LL/SW4STM32/STM32L031K6_NUCLEO/STM32L031K6Tx_FLASH.ld
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2017-04-06 05:16:57 +08:00
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however newly created and derived from nokeep.ld script
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2017-04-02 14:58:21 +08:00
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library/hal/CMSIS
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kchmviewer STM32Cube_FW_L0_V1.8.0/Drivers/STM32L0xx_HAL_Driver/STM32L073xx_User_Manual.chm
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doxygen seiten der hal treiber.... leider wie üblich nicht besonders übersichtlich
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Code Source
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startup_stm32l031xx.s STM32Cube_FW_L0_V1.8.0/Drivers/CMSIS/Device/ST/STM32L0xx/Source/Templates/gcc
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startup code, which will also call SystemInit and main()
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system_stm32l0xx.c STM32Cube_FW_L0_V1.8.0/Drivers/CMSIS/Device/ST/STM32L0xx/Source/Templates
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Contains the SystemInit() and SystemCoreClockUpdate() function.
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system_stm32l0xx.h STM32Cube_FW_L0_V1.8.0/Drivers/CMSIS/Device/ST/STM32L0xx/Include
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Contains the global defs for system_stm32l0xx.c. It is placed in the common/inc
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stm32l0xx/inc various include files copied from
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STM32Cube_FW_L0_V1.8.0/Drivers/CMSIS/Device/ST/STM32L0xx/Include/
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STM32Cube_FW_L0_V1.8.0/Drivers/CMSIS/Include/
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2017-04-04 02:51:08 +08:00
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Documentation
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PM0223 STM32L0 Series Cortex ® -M0+ programming manual DM01004451.pdf 110 pages
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RM0377 STM32L0x1 Reference manual DM01008282.pdf 882 pages
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- Section 3.3.2: BOOT0 Pin (0=user, 1=bootloader)
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STM32L031x4 STM32L031x6 Datasheet DM00140359.pdf 118 pages
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AN2606 Bootloader description CD00167594.pdf
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USART2 configuration is: 8-bits, even parity and 1 Stop bit, RX/TX on PA9/PA10 or PA2/PA3
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Die doku ist da nicht ganz eindeutig. PA10 und PA3 sind die UART2_RX pins, PA9 und PA2 die TX
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AN3155 USART protocol used in the STM32™ bootloader
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External tools (Ubuntu Linux)
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arm-none-eabi-gcc sudo apt install gcc-arm-none-eabi
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stm32flash sudo apt install stm32flash
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stm32flash: There seems to be a problem with ch340/ch341 devices
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https://sourceforge.net/p/stm32flash/tickets/81/?limit=25&page=1#7106
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also mentioned here:
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https://sourceforge.net/p/stm32flash/wiki/Hints/
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I think this got solved in the kernel by a commit on Oct 24, 2016:
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https://github.com/torvalds/linux/commit/ba781bdf86621b71aa79a1ac0ad584f1e8aac307#diff-27cbcff3aa65aa3cda4aef10b416dd24
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modinfo ch341 --> 4.4.0-62-generic
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https://github.com/torvalds/linux/blob/v4.4/drivers/usb/serial/ch341.c --> Tag 4.4
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looks like this moved to the kernel with the 4.10 tag
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Ubuntu kernel version ermitteln: cat /proc/version
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Ubuntu 17.04 may use 4.10 and might be there at 13 Apr 2017
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ok, i will be using a cp21xx driver here...
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Conclution: Support of CH340 usb-serial converter for ubuntu linux will be there with Ubunutz 17.04
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