add open-ec super speed support.

boards.txt

@@ -33,7 +33,7 @@ m1.menu.burn_tool_firmware.dan = Default
 m1.menu.burn_tool_firmware.dan.build.burn_tool_firmware = dan
 
 ## Point to the file for ./variants/<variant>/pins_arduino.h
-m1.build.variant=standard
+m1.build.variant=sipeed_maix_one
 
 ## "The 'core' file directory for this board, in ./cores
 m1.build.core=arduino
@@ -71,9 +71,11 @@ go.menu.clksrc.600.build.f_cpu = 600000000L
 
 ## Burn baud rate
 go.menu.burn_baudrate.2000000 = 2 Mbps
+go.menu.burn_baudrate.4500000 = 4.5 Mbps (Must open-ec!)
 go.menu.burn_baudrate.1500000 = 1.5 Mbps
 go.menu.burn_baudrate.1000000 = 1 Mbps
 go.menu.burn_baudrate.2000000.build.burn_baudrate = 2000000
+go.menu.burn_baudrate.4500000.build.burn_baudrate = 4500000
 go.menu.burn_baudrate.1500000.build.burn_baudrate = 1500000
 go.menu.burn_baudrate.1000000.build.burn_baudrate = 1000000
 
@@ -84,7 +86,7 @@ go.menu.burn_tool_firmware.goE.build.burn_tool_firmware = goE
 go.menu.burn_tool_firmware.goD.build.burn_tool_firmware = goD
 
 ## Core settings
-go.build.variant= standard
+go.build.variant= sipeed_maix_go
 go.build.core   = arduino
 
 ## This sets a define for use in the compiled code.

cores/arduino/hal/Maix_SPI.cpp

@@ -1,5 +1,5 @@
 
-#include "SPI.h"
+#include "../../../libraries/SPI/src/SPI.h"
 
 #include "stdio.h"
 #include "utils.h"

package.json

@@ -0,0 +1,6 @@
+{
+    "name": "framework-maixduino",
+    "description": "Arduino Wiring-based Framework (K210 Core)",
+    "version": "0.3.8",
+    "url": "https://github.com/sipeed/Maixduino"
+}

platform.txt

@@ -1,5 +1,5 @@
 name = Maixduino
-version = 0.2.3
+version = 0.3.8
 
 # arch
 arch              = k210
@@ -21,7 +21,7 @@ compiler.lib_hal_inc.path={runtime.platform.path}/cores/arduino/hal/include
 compiler.cores.path={runtime.platform.path}/cores/arduino/
 compiler.preproc.flags=-I{build.system.path}/include -I{compiler.cores.path} -I{compiler.lib_hal_inc.path} -I{compiler.sdk.path}/bsp/include -I{compiler.sdk.path}/drivers/include -I{compiler.sdk.path}/utils/include -I{compiler.sdk.path}/freertos/conf -I{compiler.sdk.path}/freertos/include -I{compiler.sdk.path}/freertos/portable -I{compiler.clib.path}
 
-compiler.both.flags=-mcmodel=medany -mabi=lp64f -march=rv64imafc -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -fno-zero-initialized-in-bss -Os -ggdb -Wall -Werror=all -Wno-error=unused-function -Wno-error=unused-but-set-variable -Wno-error=unused-variable -Wno-error=deprecated-declarations -Wextra -Werror=frame-larger-than=65536 -Wno-unused-parameter -Wno-sign-compare -Wno-error=missing-braces -Wno-error=return-type -Wno-error=pointer-sign -Wno-missing-braces -Wno-strict-aliasing -Wno-implicit-fallthrough -Wno-missing-field-initializers -Wno-int-to-pointer-cast -Wno-error=comment -Wno-error=logical-not-parentheses -Wno-error=duplicate-decl-specifier -Wno-error=parentheses -Wno-error=narrowing -lpthread
+compiler.both.flags=-mcmodel=medany -mabi=lp64f -march=rv64imafc -fno-common -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -fno-zero-initialized-in-bss -Os -ggdb -Wall -Werror=all -Wno-error=unused-function -Wno-error=unused-but-set-variable -Wno-error=unused-variable -Wno-error=deprecated-declarations -Wextra -Werror=frame-larger-than=65536 -Wno-unused-parameter -Wno-sign-compare -Wno-error=missing-braces -Wno-error=return-type -Wno-error=pointer-sign -Wno-missing-braces -Wno-strict-aliasing -Wno-implicit-fallthrough -Wno-missing-field-initializers -Wno-int-to-pointer-cast -Wno-error=comment -Wno-error=logical-not-parentheses -Wno-error=duplicate-decl-specifier -Wno-error=parentheses -Wno-error=narrowing -Wno-error=unused-value
 
 compiler.debug.flags=-DCONFIG_LOG_ENABLE -DCONFIG_LOG_LEVEL=LOG_INFO -DDEBUG=1 -D__riscv64
 
@@ -94,6 +94,7 @@ recipe.output.save_file={build.project_name}.{build.variant}.bin
 tools.kflash.path={runtime.tools.kflash.path}/
 tools.kflash.cmd=python3 {runtime.tools.kflash.path}/kflash.py
 tools.kflash.cmd.windows={runtime.tools.kflash.path}/kflash_py
+tools.kflash.cmd.macosx=/usr/local/bin/python3 {runtime.tools.kflash.path}/kflash.py
 tools.kflash.program.pattern={cmd} -n -p {serial.port} -b {build.burn_baudrate} -B {build.burn_tool_firmware} {build.path}/{build.project_name}.bin
 tools.kflash.program.pattern.windows="{cmd}" -n -p {serial.port} -b {build.burn_baudrate} -B {build.burn_tool_firmware} {build.path}/{build.project_name}.bin
 

variants/standard/pins_arduino.h

@@ -1,11 +0,0 @@
-// API compatibility
-#ifdef BOARD_SIPEED_MAIX_ONE_DOCK
-
-#include "sipeedm1.h"
-#else
-
-#ifdef BOARD_SIPEED_MAIX_GO
-#include "sipeed_go.h"
-#endif //BOARD_SIPEED_MAIX_GO
-
-#endif