diff options
Diffstat (limited to 'firmware/drivers/wm8523.c')
| -rw-r--r-- | firmware/drivers/wm8523.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/firmware/drivers/wm8523.c b/firmware/drivers/wm8523.c index e1711fd..ef253fb 100644 --- a/firmware/drivers/wm8523.c +++ b/firmware/drivers/wm8523.c @@ -104,6 +104,7 @@ static void reg_write(uint8_t portnum, char reg, const uint8_t *buf, int size) /** * Prepare I2S, SSP and GPIO. */ +#include <LPC17xx.h> void wm8523_init(uint8_t portnum, wm8523_samplerate_t fs) { // Init SPI @@ -113,9 +114,10 @@ void wm8523_init(uint8_t portnum, wm8523_samplerate_t fs) if(portnum == 0) SSP0Init(); else SSP1Init(); -#if 1 - i2s_init(); (void)fs; + +#if 1 + #else I2SInit(); @@ -303,10 +305,9 @@ float _sin(float x) } #endif -#include "../src/sample.h" - void wm8523_tone() { + /* // I2SSTATE 0x400A 8010 // bit 16-19 Reflects the current level of the Transmit FIFO. uint32_t *i2sstate = (uint32_t *)0x400a8010; @@ -321,17 +322,18 @@ void wm8523_tone() // RX FIFO depth is 1, TX FIFO depth is 8. //I2SStart(); - i2s_tx_start(); - LPC_I2S->I2SIRQ = (8 << 16) | (1 << 8) | (0x01 << 0); + //i2s_tx_start(); + //LPC_I2S->I2SIRQ = (8 << 16) | (1 << 8) | (0x01 << 0); //uint32_t val = 0; uint32_t cnt = 0; while(1) { - while((*i2sstate & (0b1111 << 16)) != 0) { } - + while((*i2sstate & (0b1111 << 16)) != 0) { cli_printf("."); } + if(cnt % 80 == 0) cli_printf("\n"); + cli_printf("."); *i2stxfifo = samples[(cnt ++) % sizeof(samples)]; } - + */ #if 0 int i; |