I hope use it and enjoy.
I use Stm32f103C8 and Keil Compiler and Stm32CubeMX wizard.
Please Do This ...
1) you can Enable FreeRTOS or not.
2) Config your spi and CS pin on CubeMX.
3) SPI must be LSB first.
4) Select "General peripheral Initalizion as a pair of '.c/.h' file per peripheral" on project settings.
5) Config your ISD17XX.h file.
6) call Isd17xx_Init() on your app.
8) use Isd17xx_HighLevelRecord() , Isd17xx_HighLevelPlay() , Isd17xx_HighLevelErase() on your app.