Add wasm tacle-bench targets

targets/wasm-tacle/parallel/PapaBench/sw/airborne/autopilot/spi.c

@@ -0,0 +1,43 @@
+#include <inttypes.h>
+#include <arch/io.h>
+#include <arch/signal.h>
+#include <arch/interrupt.h>
+
+
+#include "spi.h"
+#include "autopilot.h"
+#include "link_fbw.h"
+#include "ad7714.h"
+
+volatile uint8_t spi_cur_slave;
+uint8_t spi_nb_ovrn;
+
+void spi_init( void )
+{
+  /* Set MOSI and SCK output, all others input */
+  SPI_DDR |= _BV( SPI_MOSI_PIN ) | _BV( SPI_SCK_PIN );
+
+  /* enable pull up for miso */
+  //  SPI_PORT |= _BV(SPI_MISO_PIN);
+
+  /* Set SS0 output */
+  sbi( SPI_SS0_DDR, SPI_SS0_PIN );
+  /* SS0 idles high (don't select slave yet)*/
+  SPI_UNSELECT_SLAVE0();
+
+  /* Set SS1 output */
+  sbi( SPI_SS1_DDR, SPI_SS1_PIN );
+  /* SS1 idles high (don't select slave yet)*/
+  SPI_UNSELECT_SLAVE1();
+
+  spi_cur_slave = SPI_NONE;
+}
+
+
+SIGNAL( SIG_SPI )
+{
+  if ( spi_cur_slave == SPI_SLAVE0 )
+    link_fbw_on_spi_it();
+  else
+    fatal_error_nb++;
+}