diff options
Diffstat (limited to 'code/fe310/eos/eve/eve.c')
| -rw-r--r-- | code/fe310/eos/eve/eve.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/code/fe310/eos/eve/eve.c b/code/fe310/eos/eve/eve.c index 0ab5427..1db5744 100644 --- a/code/fe310/eos/eve/eve.c +++ b/code/fe310/eos/eve/eve.c @@ -70,6 +70,28 @@ void eve_write32(uint32_t addr, uint32_t data) { eve_spi_cs_clear(); } +void eve_readb(uint32_t addr, uint8_t *b, size_t size) { + int i; + + eve_spi_cs_set(); + eve_spi_xchg32(addr << 8, 0); + for (i=0; i<size; i++) { + b[i] = eve_spi_xchg8(0, 0); + } + eve_spi_cs_clear(); +} + +void eve_writeb(uint32_t addr, uint8_t *b, size_t size) { + int i; + + eve_spi_cs_set(); + eve_spi_xchg24(addr | EVE_MEM_WRITE, 0); + for (i=0; i<size; i++) { + eve_spi_xchg8(b[i], 0); + } + eve_spi_cs_clear(); +} + static void _dl_inc(uint32_t i) { _dl_addr += i; } @@ -316,9 +338,9 @@ static int _init(void) { /* do not set PCLK yet - wait for just after the first display list */ /* disable Audio */ - eve_write8(REG_VOL_PB, 0x00); /* turn recorded audio volume down */ + eve_write16(REG_SOUND, 0x0000); /* set synthesizer to silence */ eve_write8(REG_VOL_SOUND, 0x00); /* turn synthesizer volume off */ - eve_write16(REG_SOUND, 0x6000); /* set synthesizer to mute */ + eve_write8(REG_VOL_PB, 0x00); /* turn recorded audio volume off */ /* write a basic display-list to get things started */ eve_dl_start(EVE_RAM_DL); |