diff options
Diffstat (limited to 'fw/fe310/eos/display.c')
-rw-r--r-- | fw/fe310/eos/display.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/fw/fe310/eos/display.c b/fw/fe310/eos/display.c deleted file mode 100644 index bc181cb..0000000 --- a/fw/fe310/eos/display.c +++ /dev/null @@ -1,71 +0,0 @@ -#include <stdlib.h> -#include <stdint.h> - -#include "encoding.h" -#include "platform.h" - -#include "eos.h" - -#include "board.h" - -#include "i2s.h" -#include "net.h" -#include "spi_dev.h" -#include "display.h" - -#define BIT_PUT(b, pin) if (b) GPIO_REG(GPIO_OUTPUT_VAL) |= (1 << (pin)); else GPIO_REG(GPIO_OUTPUT_VAL) &= ~(1 << (pin)); -#define BIT_GET(pin) ((GPIO_REG(GPIO_INPUT_VAL) & (1 << (pin))) >> (pin)) - -int eos_disp_select(void) { - if (eos_i2s_running()) return EOS_ERR_BUSY; - if (eos_spi_dev() != EOS_SPI_DEV_NET) return EOS_ERR_BUSY; - - eos_net_stop(); - GPIO_REG(GPIO_IOF_EN) &= ~SPI_IOF_MASK; -} - -void eos_disp_deselect(void) { - GPIO_REG(GPIO_OUTPUT_VAL) |= (1 << IOF_SPI1_MOSI); - GPIO_REG(GPIO_IOF_EN) |= SPI_IOF_MASK; - eos_net_start(0); -} - -void eos_disp_cs_set(void) { - GPIO_REG(GPIO_OUTPUT_VAL) |= (1 << DISP_PIN_CS); -} - -void eos_disp_cs_clear(void) { - GPIO_REG(GPIO_OUTPUT_VAL) &= ~(1 << DISP_PIN_CS); -} - -void eos_disp_write(uint8_t dc, uint8_t data) { - int i; - - BIT_PUT(dc, IOF_SPI1_MOSI); - // sleep - BIT_PUT(1, IOF_SPI1_SCK); - for (i=0; i<8; i++) { - // sleep - BIT_PUT(0, IOF_SPI1_SCK); - BIT_PUT(data & 0x80, IOF_SPI1_MOSI); - // sleep - BIT_PUT(1, IOF_SPI1_SCK); - data = data << 1; - } - // sleep - BIT_PUT(0, IOF_SPI1_SCK); -} - -void eos_disp_read(uint8_t *data) { - int i; - - *data = 0; - for (i=0; i<8; i++) { - // sleep - BIT_PUT(1, IOF_SPI1_SCK); - *data = *data << 1; - *data |= BIT_GET(IOF_SPI1_MISO); - // sleep - BIT_PUT(0, IOF_SPI1_SCK); - } -} |