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#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "inttypes.h"
#include "string.h"
#include "cpu.h"
#include "system.h"
#include "lcd.h"
#include "kernel.h"
#include "thread.h"
#include "backlight.h"
#include "backlight-target.h"
#include "font.h"
#include "common.h"
#include "version.h"
// 441 Hz samples table, 44100 Hz and 441 Hz -> 100 samples
const int16_t samples[] = {
0, 2057, 4106, 6139, 8148, 10125, 12062, 13951, 15785, 17557,
19259, 20886, 22430, 23886, 25247, 26509, 27666, 28713, 29648, 30465,
31163, 31737, 32186, 32508, 32702, 32767, 32702, 32508, 32186, 31737,
31163, 30465, 29648, 28713, 27666, 26509, 25247, 23886, 22430, 20886,
19259, 17557, 15785, 13951, 12062, 10125, 8148, 6139, 4106, 2057,
0, -2057, -4106, -6139, -8148, -10125, -12062, -13951, -15785, -17557,
-19259, -20886, -22430, -23886, -25247, -26509, -27666, -28713, -29648, -30465,
-31163, -31737, -32186, -32508, -32702, -32767, -32702, -32508, -32186, -31737,
-31163, -30465, -29648, -28713, -27666, -26509, -25247, -23886, -22430, -20886,
-19259, -17557, -15785, -13951, -12062, -10125, -8148, -6139, -4106, -2057 };
extern void show_logo( void );
void INT_HDMA(void)
{
#if 0
// static uint32_t i;
// printf("hdma int: %d", i++);
HDMA_ISRC0 = (uint32_t)&samples;
HDMA_IDST0 = (uint32_t)&I2S_TXR;
HDMA_ICNT0 = (sizeof(samples)/4) - 1;
HDMA_CON0 = (1<<22)| // slice mode
(1<<21)| // channel enable
(1<<18)| // interrupt mode
(5<<13)| // transfer mode inc8
(6<<9) | // hdreq from i2s tx
(0<<7) | // source address increment
(1<<5) | // destination address fixed
(2<<3) | // data size word
(1<<0); // enable hardware triggered dma
HDMA_ISR = (1<<13) | // mask ch1 page overflow
(1<<11) | // mask ch1 page count down
(1<<9); // mask ch1 interrupts
#endif
return;
}
static int codec_write(uint8_t reg, uint8_t data)
{
uint8_t tmp = data;
return i2c_write(0x27<<1, reg<<1, 1, &tmp);
}
void main(void)
{
int i;
_backlight_init();
system_init();
kernel_init();
enable_irq();
lcd_init_device();
_backlight_on();
font_init();
lcd_setfont(FONT_SYSFIXED);
show_logo();
sleep(HZ*2);
printf("show logo passed");
// I2S init
SCU_CLKCFG &= ~((1<<17) | (1<<16)); // enable i2s, i2c pclk
//SCU_CLKCFG |= ((1<<17) | (1<<16));
I2S_OPR = (1<<17) | // reset Tx
(1<<16) | // reset Rx
(1<<6) | // disable HDMA Req1
(1<<5); // disable HDMA Req2
I2S_TXCTL = (1<<16) | // LRCK/SCLK = 64
(4<<8) | // MCLK/SCK = 4
(1<<4) | // 16bit samples
(0<<3) | // stereo mode
(0<<1); // I2S
I2S_RXCTL = (1<<16) | // LRCK/SCLK = 64
(4<<8) | // MCLK/SCK = 4
(1<<4) | // 16bit samples
(0<<3) | // stereo mode
(0<<1); // I2S
I2S_FIFOSTS = (1<<18) | // Tx int trigger half full
(1<<16); // Rx int trigger half full
// I2S start
I2S_OPR = (1<<17) | (1<<16);
sleep(HZ/100);
I2S_OPR = (0<<6) | // req channel 1 enable
(1<<5) | // req channel 2 disable
(0<<4) | // HDMA req channel 1 Tx
(0<<2) | // normal I2S operation (no loopback)
(1<<1); // Tx start
printf("I2S config passed");
HDMA_ISRC0 = (uint32_t)&samples;
HDMA_IDST0 = (uint32_t)&I2S_TXR;
HDMA_ICNT0 = (sizeof(samples)/4) - 1;
HDMA_ISCNT0 = 7;
HDMA_IPNCNTD0 = 1;
HDMA_CON0 = (1<<22)| // slice mode
(1<<21)| // channel enable
(1<<18)| // interrupt mode
(5<<13)| // transfer mode inc8
(6<<9) | // hdreq from i2s tx
(0<<7) | // source address increment
(1<<5) | // destination address fixed
(2<<3) | // data size word
(1<<0); // enable hardware triggered dma
HDMA_ISR = (1<<13) | // mask ch1 page overflow
(1<<11) | // mask ch1 page count down
(1<<9); // mask ch1 interrupts
INTC_IMR |= (1<<12);
INTC_IECR |= (1<<12);
printf("HDMA config passed");
i2c_init();
printf("I2C config passed");
// codec init
codec_write(0x00, (1<<3)|(1<<2)|(1<<1)|(1<<0)); // AICR
codec_write(0x01, (1<<7)|(1<<5)|(1<<3)); // CR1
codec_write(0x02, (1<<2)); // CR2
codec_write(0x03, 0); // CCR1
codec_write(0x04, (2<<4)|(2<<0)); // CCR2
codec_write(0x07, (3<<5)|(3<<0)); // CCR
codec_write(0x0f, 0x1f|(2<<6)); // CGR6
codec_write(0x14, (1<<1)); // TR1
codec_write(0x05, (1<<6)|(1<<5)|(1<<4)|(1<<3)|(1<<2)|(1<<1)|(1<<0)); // PMR1
sleep(HZ/100);
codec_write(0x06, (1<<3)|(1<<2)|(1<<0)); // PMR2
codec_write(0x05, (1<<6)|(1<<4)|(1<<3)|(1<<2)|(1<<1)|(1<<0)); // PMR1
codec_write(0x05, (1<<4)|(1<<3)|(1<<2)|(1<<1)|(1<<0)); // PMR1
// DACout mode
codec_write(0x01, (1<<7)|(1<<3)|(1<<5)|(1<<4)); // CR1
codec_write(0x05, (1<<4)|(1<<3)|(1<<2)|(1<<1)|(1<<0)); //PMR1
// codec_write(0x06, (1<<3)|(1<<2)); // PMR2
printf("codec init passed");
codec_write(0x01, (1<<7)|(1<<3)); // CR1
codec_write(0x0a, 0); // 0dB digital gain
codec_write(0x11, 15|(2<<6)); //
while(1)
{
printf("HDMA_CCNT0: 0x%0x FIFOSTS: 0x%0x", HDMA_CCNT0, I2S_FIFOSTS);
}
}
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