1 files changed, 0 insertions, 66 deletions
diff --git a/include/usi_spi.h b/include/usi_spi.h
deleted file mode 100644
index 18534ab..0000000
--- a/include/usi_spi.h
+++ /dev/null
@@ -1,66 +0,0 @@
-#include <avr/io.h>
-#include <avr/interrupt.h>
-#include <stdint.h>
-
-#include "mcu/mcu_def.h"
-
-#ifndef _IOE_USI_SPI_H_
-#define _IOE_USI_SPI_H_
-
-#ifndef MCUSUPPORT_USI
-#error "No USI interface is known on your mcu."
-#endif
-
-enum usiSpiMode {
-    // Device is initialized as master
-    USI_SPI_MODE_MASTER,
-    // Device is initialized as slave
-    USI_SPI_MODE_SLAVE,
-};
-
-/*
- * Initialize SPI on USI device
- *
- *  Parameters:
- *    mode - Specify mode of SPI interface
- */
-void usi_spi_init(enum usiSpiMode mode);
-/*
- * Returns NULL when device is not busy.
- * When device is busy return values in non-zero.
- */
-int8_t usi_spi_busy(void);
-/*
- * Blocks processor until device is not busy.
- */
-void usi_spi_join(void);
-/*
- * Swap bytes with slave over SPI.
- * This function blocks execution until device isn't busy.
- * WARNING: Invoke this only when interface is initialized in MASTER mode.
- */
-uint8_t usi_spi_send(uint8_t data);
-/*
- * Swaps byte with slave over SPI.
- * This function isn't checking if device is busy, but it's not blocking execution.
- * WARNING: Invoke this only when interface is initialized in MASTER mode.
- */
-uint8_t usi_spi_transfer(uint8_t data);
-/*
- * Expose data for next master request.
- * Please don't use this when device is busy.
- * Best place to call this is usi_spi_retrieve().
- * WARNING: Invoke this only when interface is initialized in SLAVE mode.
- */
-void usi_spi_expose(uint8_t data);
-
-/*
- * This function must be defined by user.
- * This function is called every time transfer is finished.
- * And until return from this function interrupts are disabled.
- * WARNING: Please define this function in your code.
- */
-void usi_spi_receive(uint8_t data);
-
-
-#endif /* _IOE_USI_SPI_H_ */