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Diffstat (limited to 'recipes-bsp/esp32spid/src/spi.h')
-rw-r--r--recipes-bsp/esp32spid/src/spi.h24
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