diff options
Diffstat (limited to 'firmware/zpu/lib/spi.h')
| -rw-r--r-- | firmware/zpu/lib/spi.h | 42 |
1 files changed, 7 insertions, 35 deletions
diff --git a/firmware/zpu/lib/spi.h b/firmware/zpu/lib/spi.h index 71245150a..125e1a502 100644 --- a/firmware/zpu/lib/spi.h +++ b/firmware/zpu/lib/spi.h @@ -1,5 +1,5 @@ -/* -*- c -*- */ /* + * Copyright 2012 Ettus Research LLC * Copyright 2006,2007 Free Software Foundation, Inc. * * This program is free software: you can redistribute it and/or modify @@ -19,8 +19,8 @@ #ifndef INCLUDED_SPI_H #define INCLUDED_SPI_H -#include <memory_map.h> #include <stdbool.h> +#include <stdint.h> /*! * \brief One time call to initialize SPI @@ -39,39 +39,11 @@ void spi_wait(void); /* * Flags for spi_transact */ -#define SPIF_PUSH_RISE 0 // push tx data on rising edge of SCLK -#define SPIF_PUSH_FALL SPI_CTRL_TXNEG // push tx data on falling edge of SCLK -#define SPIF_LATCH_RISE 0 // latch rx data on rising edge of SCLK -#define SPIF_LATCH_FALL SPI_CTRL_RXNEG // latch rx data on falling edge of SCLK - - -uint32_t -spi_transact(bool readback, int slave, uint32_t data, int length, uint32_t flags); - -//uint32_t spi_get_data(void); -//static void spi_irq_handler(unsigned irq); -//void spi_register_callback(void (*volatile callback)(void)); - -//bool -//spi_async_transact(int slave, uint32_t data, int length, uint32_t flags, void (*volatile callback)(void)); - -// ---------------------------------------------------------------- -// Routines that manipulate the FLASH SPI BUS -// ---------------------------------------------------------------- - -/*! - * \brief One time call to initialize SPI - */ -void spif_init(void); - -/*! - * \brief Wait for last SPI transaction to complete. - * Unless you need to know it completed, it's not necessary to call this. - */ -void spif_wait(void); - -uint32_t -spif_transact(bool readback_, int slave, uint32_t data, int length, uint32_t flags); +#define SPI_PUSH_RISE (1 << 0) // push tx data on rising edge of SCLK +#define SPI_PUSH_FALL (1 << 1) // push tx data on falling edge of SCLK +#define SPI_LATCH_RISE (1 << 2) // latch rx data on rising edge of SCLK +#define SPI_LATCH_FALL (1 << 3) // latch rx data on falling edge of SCLK +uint32_t spi_transact(bool readback, int slave, uint32_t data, int length, uint32_t flags); #endif /* INCLUDED_SPI_H */ |