diff options
Diffstat (limited to 'firmware/zpu/usrp2p/spi_flash.h')
| -rw-r--r-- | firmware/zpu/usrp2p/spi_flash.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/firmware/zpu/usrp2p/spi_flash.h b/firmware/zpu/usrp2p/spi_flash.h index a10533e08..8a8facdca 100644 --- a/firmware/zpu/usrp2p/spi_flash.h +++ b/firmware/zpu/usrp2p/spi_flash.h @@ -23,10 +23,18 @@ #include <stdint.h> #include <stdbool.h> - #define SPI_FLASH_PAGE_SIZE 256 #define SPI_SS_FLASH 1 +#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 + +void spif_init(void); +void spif_wait(void); + +uint32_t spif_transact(bool readback, int slave, uint32_t data, int length, uint32_t flags); uint32_t spi_flash_rdid(void); /* Read ID */ uint32_t spi_flash_rdsr(void); /* Read Status Register */ |