sn32: spi: reduced amount of memory used on stack

Author: RSATom

os/hal/ports/SN32/LLD/SN32F2xx/SPI/hal_spi_v2_lld.c

@@ -58,8 +58,8 @@ SPIDriver SPID1;
 
 static void spi_lld_configure(SPIDriver *spip) {
   spip->spi->CTRL0 = spip->config->ctrl0;
-  spip->spi->CTRL1 = spip->config->ctrl1;
-  spip->spi->CLKDIV = spip->config->clkdiv;
+  spip->spi->CTRL1 = (uint32_t)spip->config->ctrl1;
+  spip->spi->CLKDIV = (uint32_t)spip->config->clkdiv;
 
   spip->spi->CTRL0 |= (spip->config->slave << 3);
   spip->spi->CTRL0_b.SDODIS = false;

os/hal/ports/SN32/LLD/SN32F2xx/SPI/hal_spi_v2_lld.h

@@ -163,8 +163,8 @@
  */
 #define spi_lld_config_fields                                               \
   uint32_t                  ctrl0;                                          \
-  uint32_t                  ctrl1;                                          \
-  uint32_t                  clkdiv;
+  uint8_t                   ctrl1;                                          \
+  uint8_t                   clkdiv;
 
 
 /*===========================================================================*/