added esp32 spi daemon

1 files changed, 24 insertions, 0 deletions

diff --git a/recipes-bsp/esp32spid/src/spi.h b/recipes-bsp/esp32spid/src/spi.h
new file mode 100644
index 0000000..c1a4d94
--- /dev/null
+++ b/recipes-bsp/esp32spid/src/spi.h
@@ -0,0 +1,24 @@
+#include <stdint.h>
+
+#define SPI_GPIO_BANK       "gpiochip2"
+#define SPI_GPIO_CTS        3
+#define SPI_GPIO_RTS        4
+
+#define SPI_MTU             1500
+#define SPI_SIZE_BUF        (SPI_MTU + 8)
+#define SPI_SIZE_HDR        3
+
+#define SPI_SIZE_BUFQ       64
+#define SPI_SIZE_MSGQ       256
+
+#define SPI_MTYPE_TUN       1
+
+#define SPI_OK              0
+#define SPI_ERR	            -1
+#define SPI_ERR_OPEN        -10
+#define SPI_ERR_MSG         -11
+
+unsigned char *spi_alloc(void);
+void spi_free(unsigned char *buffer);
+int spi_xchg(unsigned char mtype, unsigned char *buffer, uint16_t len);
+int spi_init(char *fname);
\ No newline at end of file