流水灯编译报错问题怎么解决
Build started: Project: project*** Using Compiler 'V5.06 update 6 (build 750)', folder: 'F:\keil_v5\ARM\ARMCC\Bin'
Build target 'Flash'
*** Scatter Error: no default 'Read/Write' range selected
compiling bsp_timer.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling bsp_key.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling stm32f4xx_it.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling main.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling bsp_uart_fifo.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling bsp_led.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling stm32f4xx_assert.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling bsp.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling bsp_ext_io.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling stm32f4xx_syscfg.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling stm32f4xx_usart.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling stm32f4xx_gpio.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling misc.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling stm32f4xx_rcc.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling stm32f4xx_fmc.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling stm32f4xx_tim.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
compiling system_stm32f4xx.c...
Warning: C3912W: Option 'device' is deprecated.
Fatal error: C3903U: Argument '--fpu=softvfp+vfpv2' not permitted for option 'device'.
assembling startup_stm32f429_439xx.s...
startup_stm32f429_439xx.s: Warning: A3912W: Option 'device' is deprecated.
startup_stm32f429_439xx.s: error: A3903U: Argument '-g' not permitted for option 'device'.
".\Flash\Obj\output.axf" - 18 Error(s), 18 Warning(s).
Target not created.
Build Time Elapsed:00:00:01 看着像是MDK安装失败了。换个盘符，重新安装换个版本试试。 好的，之前这个用来编译f103的没问题，买了v6的板子，也安装了f4的库就是编译有错
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