keil compiler environment, STM32f407 routine using the SPI bus to communicate

SPI\SPI1_AT450BXX\Libraries\CMSIS\Device\ST\STM32F4xx\Include\stm32f4xx.h
...\.............\.........\.....\......\..\.........\.......\system_stm32f4xx.h
...\.............\.........\.....\......\..\.........\Release_Notes.html
...\.............\.........\.....\......\..\.........\Source\Templates\arm\startup_stm32f4xx.s
...\.............\.........\.....\......\..\.........\......\.........\gcc_ride7\startup_stm32f4xx.s
...\.............\.........\.....\......\..\.........\......\.........\iar\startup_stm32f4xx.s
...\.............\.........\.....\......\..\.........\......\.........\system_stm32f4xx.c
...\.............\.........\.....\......\..\.........\......\.........\TASKING\cstart_thumb2.asm
...\.............\.........\.....\......\..\.........\......\.........\.rueSTUDIO\startup_stm32f4xx.s
...\.............\.........\.....\Include\arm_common_tables.h
...\.............\.........\.....\.......\arm_math.h
...\.............\.........\.....\.......\core_cm0.h
...\.............\.........\.....\.......\core_cm3.h
...\.............\.........\.....\.......\core_cm4.h
...\.............\.........\.....\.......\core_cm4_simd.h
...\.............\.........\.....\.......\core_cmFunc.h
...\.............\.........\.....\.......\core_cmInstr.h
...\.............\.........\STM32F4xx_StdPeriph_Driver\inc\misc.h
...\.............\.........\..........................\...\stm32f4xx_adc.h
...\.............\.........\..........................\...\stm32f4xx_can.h
...\.............\.........\..........................\...\stm32f4xx_crc.h
...\.............\.........\..........................\...\stm32f4xx_cryp.h
...\.............\.........\..........................\...\stm32f4xx_dac.h
...\.............\.........\..........................\...\stm32f4xx_dbgmcu.h
...\.............\.........\..........................\...\stm32f4xx_dcmi.h
...\.............\.........\..........................\...\stm32f4xx_dma.h
...\.............\.........\..........................\...\stm32f4xx_exti.h
...\.............\.........\..........................\...\stm32f4xx_flash.h
...\.............\.........\..........................\...\stm32f4xx_fsmc.h
...\.............\.........\..........................\...\stm32f4xx_gpio.h
...\.............\.........\..........................\...\stm32f4xx_hash.h
...\.............\.........\..........................\...\stm32f4xx_i2c.h
...\.............\.........\..........................\...\stm32f4xx_iwdg.h
...\.............\.........\..........................\...\stm32f4xx_pwr.h
...\.............\.........\..........................\...\stm32f4xx_rcc.h
...\.............\.........\..........................\...\stm32f4xx_rng.h
...\.............\.........\..........................\...\stm32f4xx_rtc.h
...\.............\.........\..........................\...\stm32f4xx_sdio.h
...\.............\.........\..........................\...\stm32f4xx_spi.h
...\.............\.........\..........................\...\stm32f4xx_syscfg.h
...\.............\.........\..........................\...\stm32f4xx_tim.h
...\.............\.........\..........................\...\stm32f4xx_usart.h
...\.............\.........\..........................\...\stm32f4xx_wwdg.h
...\.............\.........\..........................\Release_Notes.html
...\.............\.........\..........................\src\misc.c
...\.............\.........\..........................\...\stm32f4xx_adc.c
...\.............\.........\..........................\...\stm32f4xx_can.c
...\.............\.........\..........................\...\stm32f4xx_crc.c
...\.............\.........\..........................\...\stm32f4xx_cryp.c
...\.............\.........\..........................\...\stm32f4xx_cryp_aes.c
...\.............\.........\..........................\...\stm32f4xx_cryp_des.c
...\.............\.........\..........................\...\stm32f4xx_cryp_tdes.c
...\.............\.........\..........................\...\stm32f4xx_dac.c
...\.............\.........\..........................\...\stm32f4xx_dbgmcu.c
...\.............\.........\................

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