目前在调试这个驱动， 自带的driver里面发现不少问题，谁调试出来了？
使用37 ，39,40,41这几个管脚，正在修改寄存器，最后面是16进制打印。
<6>[DEBUG]spi bufs pio pin_op_modes 1
<6>[DEBUG]spi reg dump: SPIGCR0:01
<6>[DEBUG]spi reg dump: SPIGCR1:1000003
<6>[DEBUG]spi reg dump: SPIINT:150
<6>[DEBUG]spi reg dump: SPILVL:00
<6>[DEBUG]spi reg dump: SPIFLG:00
<6>[DEBUG]spi reg dump: SPIPC0:e03
<6>[DEBUG]spi reg dump: SPIPC2:00
<6>[DEBUG]spi reg dump: SPIDAT1:ff0000
<6>[DEBUG]spi reg dump: SPIDELAY:6030000
<6>[DEBUG]spi reg dump: SPIDEF:02
<6>[DEBUG]spi reg dump: SPIFMT0:10308
<6>[DEBUG]spi reg dump: SPIFMT1:10308
<6>[DEBUG]spi reg dump: SPIFMT2:10308
<6>[DEBUG]spi reg dump: SPIFMT3:10308
<6>[DEBUG]spi reg dump: SPIBUF:00
<6>[DEBUG]spi reg dump: TGINTVEC0:00
<6>[DEBUG]spi reg dump: TGINTVEC1:00