STM32 persistent MVP, cross-compiled & binaries

build-flags/build_flags_mega2560-5100

@@ -9,4 +9,4 @@
 -DRESTART_LAN_ON_MQTT_ERRORS
 -D CORS=\"*\"
 -D REDIRECTION_URL=\"http://lazyhome.ru/pwa\"
--DOTA_PORT=80
+-DOTA_PORT=80

build-flags/build_flags_mega2560-5500

@@ -9,4 +9,4 @@
 -DRESTART_LAN_ON_MQTT_ERRORS
 -D CORS=\"*\"
 -D REDIRECTION_URL=\"http://lazyhome.ru/pwa\"
--DOTA_PORT=80
+-DOTA_PORT=80

build-flags/build_flags_stm32

@@ -9,15 +9,31 @@
 -DSPILED_DISABLE
 -DAC_DISABLE
 -DPID_DISABLE
--DdebugSerialPort=SerialUSB
--DSerialPortType=USBSerial
--DSERIAL_BAUD=0
 
--DPIO_FRAMEWORK_ARDUINO_ENABLE_CDC
--DUSBCON
+-DENABLE_HWSERIAL1
+-DdebugSerialPort=Serial1
+
+#-DFLASH_BASE_ADDRESS
+#-DFLASH_DATA_SECTOR 
+#-DFLASH_PAGE_NUMBER 
+
+-D PIO_FRAMEWORK_ARDUINO_ENABLE_MASS_STORAGE
+-D PIO_FRAMEWORK_ARDUINO_ENABLE_CDC_AND_MSC
+
+#-DdebugSerialPort=SerialUSB
+#-DSerialPortType=USBSerial
+#-DSERIAL_BAUD=0
+
+#-DPIO_FRAMEWORK_ARDUINO_ENABLE_CDC
+#-DUSBCON
 #-DUSBD_VID=0x0483
 #-DUSBD_PID=0x5740
 #-DUSB_MANUFACTURER="Unknown"
 #-DUSB_PRODUCT="\"BLUEPILL_F103C8\""
 #-DHAL_PCD_MODULE_ENABLED
 #-D USBD_USE_CDC
+
+-D HAL_CAN_MODULE_ENABLED
+#HAL_ETH_MODULE_DISABLED
+#HAL_SD_MODULE_DISABLED
+#HAL_DAC_MODULE_DISABLED

compiled/esp8266-wifi/upload.bat

@@ -1,3 +0,0 @@
-mode com3:1200,n,8,1
-pause
-..\tools\win\tool-bossac\bossac.exe -i --port=com3 -U false -e -w -v -b firmware.bin -R 

ldscripts/bootloader.ld

@@ -0,0 +1,18 @@
+/*
+ * Linker script for Generic STM32F103RE boards, using the generic bootloader (which takes the lower 8k of memory)
+ */
+MEMORY
+{
+	ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
+	rom (rx) : ORIGIN = 0x08002000, LENGTH = 504K
+}
+
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", rom);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
+
+/* Let common.inc handle the real work. */
+INCLUDE ldscripts/common.inc

ldscripts/common.inc

@@ -0,0 +1,220 @@
+/*
+ * Linker script for libmaple.
+ *
+ * Original author "lanchon" from ST forums, with modifications by LeafLabs.
+ */
+
+OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
+
+/*
+ * Configure other libraries we want in the link.
+ *
+ * libgcc, libc, and libm are common across supported toolchains.
+ * However, some toolchains require additional archives which aren't
+ * present everywhere (e.g. ARM's gcc-arm-embedded releases).
+ *
+ * To hack around this, we let the build system specify additional
+ * archives by putting the right extra_libs.inc (in a directory under
+ * toolchains/) in our search path.
+ */
+GROUP(libgcc.a libc.a libm.a)
+INCLUDE ldscripts/extra_libs.inc
+
+/*
+ * These force the linker to search for vector table symbols.
+ *
+ * These symbols vary by STM32 family (and also within families).
+ * It's up to the build system to configure the link's search path
+ * properly for the target MCU.
+ */
+INCLUDE ldscripts/vector_symbols.inc
+
+/* STM32 vector table. */
+EXTERN(__stm32_vector_table)
+
+/* C runtime initialization function. */
+EXTERN(start_c)
+
+/* main entry point */
+EXTERN(main)
+
+/* Initial stack pointer value. */
+EXTERN(__msp_init)
+PROVIDE(__msp_init = ORIGIN(ram) + LENGTH(ram));
+
+/* Reset vector and chip reset entry point */
+EXTERN(__start__)
+ENTRY(__start__)
+PROVIDE(__exc_reset = __start__);
+
+/* Heap boundaries, for libmaple */
+EXTERN(_lm_heap_start);
+EXTERN(_lm_heap_end);
+
+SECTIONS
+{
+    .text :
+      {
+        __text_start__ = .;
+        /*
+         * STM32 vector table.  Leave this here.  Yes, really.
+         */
+        *(.stm32.interrupt_vector)
+
+        /*
+         * Program code and vague linking
+         */
+        *(.text .text.* .gnu.linkonce.t.*)
+        *(.plt)
+        *(.gnu.warning)
+        *(.glue_7t) *(.glue_7) *(.vfp11_veneer)
+
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+        *(.gcc_except_table)
+        *(.eh_frame_hdr)
+        *(.eh_frame)
+
+        . = ALIGN(4);
+        KEEP(*(.init))
+
+        . = ALIGN(4);
+        __preinit_array_start = .;
+        KEEP (*(.preinit_array))
+        __preinit_array_end = .;
+
+        . = ALIGN(4);
+        __init_array_start = .;
+        KEEP (*(SORT(.init_array.*)))
+        KEEP (*(.init_array))
+        __init_array_end = .;
+
+        . = ALIGN(0x4);
+        KEEP (*crtbegin.o(.ctors))
+        KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+        KEEP (*(SORT(.ctors.*)))
+        KEEP (*crtend.o(.ctors))
+
+        . = ALIGN(4);
+        KEEP(*(.fini))
+
+        . = ALIGN(4);
+        __fini_array_start = .;
+        KEEP (*(.fini_array))
+        KEEP (*(SORT(.fini_array.*)))
+        __fini_array_end = .;
+
+        KEEP (*crtbegin.o(.dtors))
+        KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+        KEEP (*(SORT(.dtors.*)))
+        KEEP (*crtend.o(.dtors))
+      } > REGION_TEXT
+
+    /*
+     * End of text
+     */
+    .text.align :
+      {
+        . = ALIGN(8);
+        __text_end__ = .;
+      } > REGION_TEXT
+
+    /*
+     * .ARM.exidx exception unwinding; mandated by ARM's C++ ABI
+     */
+    __exidx_start = .;
+    .ARM.exidx :
+      {
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+      } > REGION_RODATA
+    __exidx_end = .;
+
+    /*
+     * .data
+     */
+    .data :
+      {
+        __data_start__ = .;
+      	LONG(0)
+        . = ALIGN(8);
+
+        *(.got.plt) *(.got)
+        *(.data .data.* .gnu.linkonce.d.*)
+
+        . = ALIGN(8);
+        __data_end__ = .;
+      } > REGION_DATA AT> REGION_RODATA
+
+    /*
+     * Read-only data
+     */
+    .rodata :
+      {
+        *(.rodata .rodata.* .gnu.linkonce.r.*)
+        /* .USER_FLASH: We allow users to allocate into Flash here */
+        *(.USER_FLASH)
+        /* ROM image configuration; for C startup */
+        . = ALIGN(4);
+        _lm_rom_img_cfgp = .;
+        LONG(LOADADDR(.data));
+        /*
+         * Heap: Linker scripts may choose a custom heap by overriding
+         * _lm_heap_start and _lm_heap_end. Otherwise, the heap is in
+         * internal SRAM, beginning after .bss, and growing towards
+         * the stack.
+         *
+         * I'm shoving these here naively; there's probably a cleaner way
+         * to go about this. [mbolivar]
+         */
+        _lm_heap_start = DEFINED(_lm_heap_start) ? _lm_heap_start : _end;
+        _lm_heap_end   = DEFINED(_lm_heap_end) ? _lm_heap_end : __msp_init;
+      } > REGION_RODATA
+
+    /*
+     * .bss
+     */
+    .bss :
+      {
+        . = ALIGN(8);
+        __bss_start__ = .;
+        *(.bss .bss.* .gnu.linkonce.b.*)
+        *(COMMON)
+        . = ALIGN (8);
+        __bss_end__ = .;
+        _end = __bss_end__;
+      } > REGION_BSS
+
+    /*
+     * Debugging sections
+     */
+    .stab 0 (NOLOAD) : { *(.stab) }
+    .stabstr 0 (NOLOAD) : { *(.stabstr) }
+    /* DWARF debug sections.
+     * Symbols in the DWARF debugging sections are relative to the beginning
+     * of the section so we begin them at 0.  */
+    /* DWARF 1 */
+    .debug          0 : { *(.debug) }
+    .line           0 : { *(.line) }
+    /* GNU DWARF 1 extensions */
+    .debug_srcinfo  0 : { *(.debug_srcinfo) }
+    .debug_sfnames  0 : { *(.debug_sfnames) }
+    /* DWARF 1.1 and DWARF 2 */
+    .debug_aranges  0 : { *(.debug_aranges) }
+    .debug_pubnames 0 : { *(.debug_pubnames) }
+    /* DWARF 2 */
+    .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
+    .debug_abbrev   0 : { *(.debug_abbrev) }
+    .debug_line     0 : { *(.debug_line) }
+    .debug_frame    0 : { *(.debug_frame) }
+    .debug_str      0 : { *(.debug_str) }
+    .debug_loc      0 : { *(.debug_loc) }
+    .debug_macinfo  0 : { *(.debug_macinfo) }
+    /* SGI/MIPS DWARF 2 extensions */
+    .debug_weaknames 0 : { *(.debug_weaknames) }
+    .debug_funcnames 0 : { *(.debug_funcnames) }
+    .debug_typenames 0 : { *(.debug_typenames) }
+    .debug_varnames  0 : { *(.debug_varnames) }
+
+    .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
+    .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
+    /DISCARD/ : { *(.note.GNU-stack) }
+}

ldscripts/extra_libs.inc

@@ -0,0 +1,7 @@
+/*
+ * Extra archives needed by ARM's GCC ARM Embedded arm-none-eabi-
+ * releases (https://launchpad.net/gcc-arm-embedded/).
+ */
+
+/* This is for the provided newlib. */
+GROUP(libnosys.a)

ldscripts/flash.ld

@@ -0,0 +1,26 @@
+/*
+ * libmaple linker script for "Flash" builds.
+ *
+ * A Flash build puts .text (and .rodata) in Flash, and
+ * .data/.bss/heap (of course) in SRAM, but offsets the sections by
+ * enough space to store the Maple bootloader, which lives in low
+ * Flash and uses low memory.
+ */
+
+/*
+ * This pulls in the appropriate MEMORY declaration from the right
+ * subdirectory of stm32/mem/ (the environment must call ld with the
+ * right include directory flags to make this happen). Boards can also
+ * use this file to use any of libmaple's memory-related hooks (like
+ * where the heap should live).
+ */
+INCLUDE mem-flash.inc
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", rom);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
+
+/* Let common.inc handle the real work. */
+INCLUDE ldscripts/common.inc

ldscripts/jtag.ld

@@ -0,0 +1,31 @@
+/*
+ * libmaple linker script for "JTAG" builds.
+ *
+ * A "JTAG" build puts .text (and .rodata) in Flash, and
+ * .data/.bss/heap (of course) in SRAM, but links starting at the
+ * Flash and SRAM starting addresses (0x08000000 and 0x20000000
+ * respectively). This will wipe out a Maple bootloader if there's one
+ * on the board, so only use this if you know what you're doing.
+ *
+ * Of course, a "JTAG" build is perfectly usable for upload over SWD,
+ * the system memory bootloader, etc. The name is just a historical
+ * artifact.
+ */
+
+/*
+ * This pulls in the appropriate MEMORY declaration from the right
+ * subdirectory of stm32/mem/ (the environment must call ld with the
+ * right include directory flags to make this happen). Boards can also
+ * use this file to use any of libmaple's memory-related hooks (like
+ * where the heap should live).
+ */
+INCLUDE mem-jtag.inc
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", rom);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
+
+/* Let common.inc handle the real work. */
+INCLUDE ldscripts/common.inc

ldscripts/ldscript.ld

@@ -0,0 +1,46 @@
+/*
+!!!!!!!!!!!! STM32Duino default linker script
+
+ * This script extends the default linker script to add a .noinit
+ * section. This section is just mapped to RAM, but it is emitted
+ * separately from the .data and .bss sections (both of which are
+ * initialized by startup code), so any variables in this section are
+ * untouched on startup (so they survive across resets).
+ *
+ * This script is intended to supplied to the linker's -T / --script
+ * option as the primary linker script. When the linker sees an INSERT
+ * command, this will cause it to *also* read the default linker script
+ * (after reading this script) and then executing the INSERT commands
+ * after both scripts have been read.
+ *
+ * Note that parsing of linker scripts is a bit peculiar, e.g. INSERT
+ * does not textually inserts, it inserts any generated output sections.
+ * Also, because this script is read *first*, we cannot refer to things
+ * in the default script. In particular, it would make sense to add >
+ * RAM to the output section below to ensure that the section is mapped
+ * into RAM, but the RAM region is not defined yet (I think it would
+ * work though, but produces warnings). Instead, we just rely on the
+ * defaults used by the linker: If no region is defined for an output
+ * section, it will just map to first address after the previous section
+ * (.bss in this case, which is fine).
+ */
+SECTIONS
+{
+  /* Define a noinit output section and mark it as NOLOAD to prevent
+   * putting its contents into the resulting .bin file (which is the
+   * default). */
+  .noinit (NOLOAD) :
+  {
+    /* Ensure output is aligned */
+    . = ALIGN(4);
+    /* Define a global _snoinit (and _enoinit below) symbol just in case
+     * code wants to iterate over all noinit variables for some reason */
+    _snoinit = .;
+    /* Actually import the .noinit and .noinit* import sections */
+    *(.noinit)
+    *(.noinit*)
+    . = ALIGN(4);
+    _enoinit = .;
+  }
+}
+INSERT AFTER .bss;

ldscripts/mem-flash.inc

@@ -0,0 +1,5 @@
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x20000C00, LENGTH = 61K
+  rom (rx)  : ORIGIN = 0x08005000, LENGTH = 492K
+}

ldscripts/mem-jtag.inc

@@ -0,0 +1,5 @@
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
+  rom (rx)  : ORIGIN = 0x08000000, LENGTH = 512K
+}

ldscripts/mem-ram.inc

@@ -0,0 +1,5 @@
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x20000C00, LENGTH = 61K
+  rom (rx)  : ORIGIN = 0x08005000, LENGTH = 0K
+}

ldscripts/ram.ld

@@ -0,0 +1,25 @@
+/*
+ * libmaple linker script for RAM builds.
+ *
+ * A Flash build puts .text, .rodata, and .data/.bss/heap (of course)
+ * in SRAM, but offsets the sections by enough space to store the
+ * Maple bootloader, which uses low memory.
+ */
+
+/*
+ * This pulls in the appropriate MEMORY declaration from the right
+ * subdirectory of stm32/mem/ (the environment must call ld with the
+ * right include directory flags to make this happen). Boards can also
+ * use this file to use any of libmaple's memory-related hooks (like
+ * where the heap should live).
+ */
+INCLUDE mem-ram.inc
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", ram);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", ram);
+
+/* Let common.inc handle the real work. */
+INCLUDE ldscripts/common.inc

ldscripts/stm32f103rb.ld

@@ -0,0 +1,18 @@
+/*
+ * Linker script for Generic STM32F103RB boards. 
+ */
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
+  rom (rx)  : ORIGIN = 0x08000000, LENGTH = 128K
+}
+
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", rom);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
+
+/* Let common.inc handle the real work. */
+INCLUDE ldscripts/common.inc

ldscripts/stm32f103rb_bootloader.ld

@@ -0,0 +1,17 @@
+/*
+ * Linker script for Generic STM32F103RB boards, using the generic bootloader (which takes the lower 8k of memory)
+ */
+MEMORY
+{
+	ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
+	rom (rx)  : ORIGIN = 0x08002000, LENGTH = 120K
+}
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", rom);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
+
+/* Let common.inc handle the real work. */
+INCLUDE ldscripts/common.inc

ldscripts/stm32f103rc.ld

@@ -0,0 +1,18 @@
+/*
+ * Linker script for Generic STM32F103RC boards. 
+ */
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x20000000, LENGTH = 48K
+  rom (rx)  : ORIGIN = 0x08000000, LENGTH = 256K
+}
+
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", rom);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
+
+/* Let common.inc handle the real work. */
+INCLUDE ldscripts/common.inc

ldscripts/stm32f103rc_bootloader.ld

@@ -0,0 +1,18 @@
+/*
+ * Linker script for Generic STM32F103RC boards, using the generic bootloader (which takes the lower 8k of memory)
+ */
+
+MEMORY
+{
+	ram (rwx) : ORIGIN = 0x20000000, LENGTH = 48K
+	rom (rx)  : ORIGIN = 0x08002000, LENGTH = 248K
+}
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", rom);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
+
+/* Let common.inc handle the real work. */
+INCLUDE ldscripts/common.inc

ldscripts/stm32f103re.ld

@@ -0,0 +1,18 @@
+/*
+ * Linker script for Generic STM32F103RE boards. 
+ */
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
+  rom (rx)  : ORIGIN = 0x08000000, LENGTH = 512K
+}
+
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", rom);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
+
+/* Let common.inc handle the real work. */
+INCLUDE ldscripts/common.inc

ldscripts/vector_symbols.inc

@@ -0,0 +1,78 @@
+EXTERN(__msp_init)
+EXTERN(__exc_reset)
+EXTERN(__exc_nmi)
+EXTERN(__exc_hardfault)
+EXTERN(__exc_memmanage)
+EXTERN(__exc_busfault)
+EXTERN(__exc_usagefault)
+EXTERN(__stm32reservedexception7)
+EXTERN(__stm32reservedexception8)
+EXTERN(__stm32reservedexception9)
+EXTERN(__stm32reservedexception10)
+EXTERN(__exc_svc)
+EXTERN(__exc_debug_monitor)
+EXTERN(__stm32reservedexception13)
+EXTERN(__exc_pendsv)
+EXTERN(__exc_systick)
+
+EXTERN(__irq_wwdg)
+EXTERN(__irq_pvd)
+EXTERN(__irq_tamper)
+EXTERN(__irq_rtc)
+EXTERN(__irq_flash)
+EXTERN(__irq_rcc)
+EXTERN(__irq_exti0)
+EXTERN(__irq_exti1)
+EXTERN(__irq_exti2)
+EXTERN(__irq_exti3)
+EXTERN(__irq_exti4)
+EXTERN(__irq_dma1_channel1)
+EXTERN(__irq_dma1_channel2)
+EXTERN(__irq_dma1_channel3)
+EXTERN(__irq_dma1_channel4)
+EXTERN(__irq_dma1_channel5)
+EXTERN(__irq_dma1_channel6)
+EXTERN(__irq_dma1_channel7)
+EXTERN(__irq_adc)
+EXTERN(__irq_usb_hp_can_tx)
+EXTERN(__irq_usb_lp_can_rx0)
+EXTERN(__irq_can_rx1)
+EXTERN(__irq_can_sce)
+EXTERN(__irq_exti9_5)
+EXTERN(__irq_tim1_brk)
+EXTERN(__irq_tim1_up)
+EXTERN(__irq_tim1_trg_com)
+EXTERN(__irq_tim1_cc)
+EXTERN(__irq_tim2)
+EXTERN(__irq_tim3)
+EXTERN(__irq_tim4)
+EXTERN(__irq_i2c1_ev)
+EXTERN(__irq_i2c1_er)
+EXTERN(__irq_i2c2_ev)
+EXTERN(__irq_i2c2_er)
+EXTERN(__irq_spi1)
+EXTERN(__irq_spi2)
+EXTERN(__irq_usart1)
+EXTERN(__irq_usart2)
+EXTERN(__irq_usart3)
+EXTERN(__irq_exti15_10)
+EXTERN(__irq_rtcalarm)
+EXTERN(__irq_usbwakeup)
+
+EXTERN(__irq_tim8_brk)
+EXTERN(__irq_tim8_up)
+EXTERN(__irq_tim8_trg_com)
+EXTERN(__irq_tim8_cc)
+EXTERN(__irq_adc3)
+EXTERN(__irq_fsmc)
+EXTERN(__irq_sdio)
+EXTERN(__irq_tim5)
+EXTERN(__irq_spi3)
+EXTERN(__irq_uart4)
+EXTERN(__irq_uart5)
+EXTERN(__irq_tim6)
+EXTERN(__irq_tim7)
+EXTERN(__irq_dma2_channel1)
+EXTERN(__irq_dma2_channel2)
+EXTERN(__irq_dma2_channel3)
+EXTERN(__irq_dma2_channel4_5)

lighthub/flashstream.cpp

@@ -8,7 +8,7 @@
 #endif
 
 
-#if defined(ARDUINO_ARCH_AVR) 
+#if defined(ARDUINO_ARCH_AVR)
 #include <EEPROM.h>
 #endif
 
@@ -31,10 +31,13 @@ extern DueFlashStorage EEPROM;
 extern NRFFlashStorage EEPROM;
 #endif
 
-#ifdef ARDUINO_ARCH_STM32
-#include <NRFFlashStorage.h>   //STUB
-extern NRFFlashStorage EEPROM;
-#endif
+//#ifdef ARDUINO_ARCH_STM32
+//#include <NRFFlashStorage.h>   //STUB
+//extern NRFFlashStorage EEPROM;
+
+// static char samBuffer[64];
+// short samBufferPos = 0;
+//#endif
 
 
 #if defined(__SAM3X8E__)
@@ -48,7 +51,10 @@ NRFFlashStorage EEPROM;
 #endif
 
 #ifdef ARDUINO_ARCH_STM32
-NRFFlashStorage EEPROM;
+//NRFFlashStorage EEPROM;
+#include <EEPROM.h>
+#define DATA_LENGTH E2END
+//FLASH_PAGE_SIZE = 0x400
 #endif
 
 #if defined(FS_STORAGE)
@@ -131,11 +137,15 @@ NRFFlashStorage EEPROM;
     int  flashStream::open(short fileNum, char mode) 
                 {
 
-                  #if  defined(__SAM3X8E__)
+                  #if  defined(__SAM3X8E__) //|| defined (ARDUINO_ARCH_STM32)
                   if (samBufferPos) flush();
                   samBufferPos = 0;
                   #endif 
 
+                 #if  defined (ARDUINO_ARCH_STM32)    
+                 eeprom_buffer_fill();
+                 #endif
+
                  switch (fileNum) {
                    case FN_CONFIG_JSON:     
                         pos = 0;
@@ -182,9 +192,13 @@ NRFFlashStorage EEPROM;
      unsigned int flashStream::seek(unsigned int _pos) 
         {   
          
-          #if  defined(__SAM3X8E__)
-          if (samBufferPos) flush();
-          #endif
+         #if  defined(__SAM3X8E__) //|| defined (ARDUINO_ARCH_STM32)
+         if (samBufferPos) flush();
+         #endif
+
+         #if defined (ARDUINO_ARCH_STM32)
+         //eeprom_buffer_flush();
+         #endif
 
          pos=min(_pos, streamSize);
             //debugSerial<<F("Seek:")<<pos<<endl;
@@ -217,10 +231,12 @@ NRFFlashStorage EEPROM;
         if (EEPROM.commitReset())
                 infoSerial<<"Commited to FLASH"<<endl;
         else    errorSerial<<"Commit error. len:"<<EEPROM.length()<<endl;       
-        #elif  defined(__SAM3X8E__)
+        #elif  defined(__SAM3X8E__) //|| defined (ARDUINO_ARCH_STM32)
         if (samBufferPos)
              EEPROM.write(startPos+pos-samBufferPos,(byte*)samBuffer,samBufferPos);    
         samBufferPos=0;     
+        #elif defined (ARDUINO_ARCH_STM32)
+        eeprom_buffer_flush();
         #endif
    };
    
@@ -230,12 +246,13 @@ NRFFlashStorage EEPROM;
                #if defined(__AVR__)
                   EEPROM.update(startPos+pos++,(char)ch);
                   return 1;
-               #elif  defined(__SAM3X8E__)
+               #elif  defined(__SAM3X8E__)// || defined (ARDUINO_ARCH_STM32)
       
                if (samBufferPos==sizeof(samBuffer))
                         {            
                            samBufferPos = 0;
-                           EEPROM.write(startPos+pos-sizeof(samBuffer),(byte*)samBuffer,sizeof(samBuffer));                     
+                           EEPROM.write(startPos+pos-sizeof(samBuffer),(byte*)samBuffer,sizeof(samBuffer));     
+                                         
                         }
            
                samBuffer[samBufferPos++]=ch;
@@ -243,6 +260,17 @@ NRFFlashStorage EEPROM;
                return 1;
                 //  return EEPROM.write(startPos+pos++,(char)ch);
 
+               #elif defined (ARDUINO_ARCH_STM32)
+               if (startPos+pos<=DATA_LENGTH) 
+                   {
+                   eeprom_buffered_write_byte(startPos+pos++,(char)ch);  
+                   return 1;
+                   }
+               else 
+                     {
+                     errorSerial<<F("Flash sector exceeded")<<endl;    
+                     return 0;
+                     }
                #else 
                   EEPROM.write(startPos+pos++,(char)ch);
                   return 1;  

lighthub/modules/out_ac.cpp

@@ -48,18 +48,18 @@ void out_AC::getConfig(){
       case 0: ACSerial=&Serial;
       
       break;
-      //#if defined (Serial1)
+      #if not defined (AVR) || defined (DMX_DISABLE)
       case 1: ACSerial=&Serial1;
       break;
-      //#endif
-      //#if defined (Serial2)
+      #endif
+      #if defined (HAVE_HWSERIAL2) || defined (__SAM3X8E__) || defined (ESP32)
       case 2: ACSerial=&Serial2;
       break;
-      //#endif
-      //#if defined (Serial3)
+      #endif
+      #if defined (HAVE_HWSERIAL3) || defined (__SAM3X8E__) 
       case 3: ACSerial=&Serial3;
       break;
-      //#endif
+      #endif
 
     }
 

platformio.ini

@@ -827,13 +827,19 @@ monitor_speed = 115200
 
 [env:stm32]
 platform = ststm32
-board = olimexino
-board_build.mcu = stm32f103rbt6
+board = genericSTM32F103RB
+;olimexino
+board_build.mcu = stm32f103rbt6 
+;STM32Duino
+;generic_stm32f103r 
+;board_build.ldscript=ldscripts\stm32f103rb_bootloader.ld 
 board_build.f_cpu = 72000000L
 framework = arduino
-
-monitor_dtr = 1
-upload_protocol = dfu
+;board_build.core = maple
+;board_build.core = maple // STM32Duino (DEFAULT) // STM32L0
+;board_build.core = stm32lo
+;monitor_dtr = 1
+upload_protocol = serial
 ;debug_tool = cmsis-dap
 build_flags = !python get_build_flags.py stm32
 lib_ignore = 
@@ -862,19 +868,20 @@ lib_ignore =
 	DS2482_OneWire
 	ModbusMaster
 	Syslog
-	EEPROM
+	NRFFlashStorage
 	ClosedCube HDC1080
 	SparkFun CCS811 Arduino Library
 	M5Stack
 	ArduinoOTA
 lib_deps = 
+    EEPROM
 	https://github.com/anklimov/aJson
 	https://github.com/anklimov/CmdArduino
 	ArduinoHttpClient
 	https://github.com/anklimov/pubsubclient.git
 	Streaming
 	Ethernet
-	https://github.com/anklimov/NRFFlashStorage
+	
 	Adafruit NeoPixel
 	Adafruit MCP23017 Arduino Library
 	Adafruit BusIO