varpa: initial public commit

1 files changed, 34 insertions, 0 deletions

diff --git a/firmware/inc/peripheral/spi.h b/firmware/inc/peripheral/spi.h
new file mode 100644
index 0000000..003fc04
--- /dev/null
+++ b/firmware/inc/peripheral/spi.h
@@ -0,0 +1,34 @@
+/**
+ * 
+ * Author: Dylan Muller
+ * Copyright (c) 2025 
+ * All rights reserved.
+ * 
+ * - Commercial/IP use prohibited.
+ * - Attribution required.
+ * See License.txt
+ *
+ */
+
+#ifndef SPI_H_
+#define SPI_H_
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+void spi_init(void);
+
+bool spi_busy(void);
+
+void spi_flush(void);
+
+void spi_start(
+    uint8_t *out,
+    uint8_t *in,
+    size_t len,
+    uint8_t *port,
+    uint8_t pin
+);
+
+#endif