From 01c3e3af2394f863323b846fa304ff7e0a30e9df Mon Sep 17 00:00:00 2001 From: Uros Majstorovic Date: Tue, 16 Jan 2018 23:43:07 +0100 Subject: eos support --- code/fe310/eos/spi.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 code/fe310/eos/spi.h (limited to 'code/fe310/eos/spi.h') diff --git a/code/fe310/eos/spi.h b/code/fe310/eos/spi.h new file mode 100644 index 0000000..88e54bb --- /dev/null +++ b/code/fe310/eos/spi.h @@ -0,0 +1,32 @@ +#include + +#include "encoding.h" +#include "platform.h" + +#define SPI_MODE0 0x00 +#define SPI_MODE1 0x01 +#define SPI_MODE2 0x02 +#define SPI_MODE3 0x03 + +#define SPI_SIZE_BUF 1500 +#define SPI_SIZE_CHUNK 4 +#define SPI_SIZE_BUFQ 4 +#define SPI_GPIO_CTS_OFFSET PIN_2_OFFSET +#define SPI_GPIO_RTS_OFFSET PIN_3_OFFSET +#define SPI_IOF_MASK (((uint32_t)1 << IOF_SPI1_SCK) | ((uint32_t)1 << IOF_SPI1_MOSI) | ((uint32_t)1 << IOF_SPI1_MISO)) + +typedef struct SPIBuffer { + unsigned char cmd; + unsigned char *buffer; + uint16_t len; + uint16_t len_rx; + uint16_t idx_tx; + uint16_t idx_rx; +} SPIBuffer; + +typedef struct SPIBufQ { + uint8_t idx_r; + uint8_t idx_w; + unsigned char *array[SPI_SIZE_BUFQ]; +} SPIBufQ; + -- cgit v1.2.3