MP3 Player. You can change fwd/rev speed and skip. see: http://mbed.org/users/okini3939/notebook/lpc4088_madplayer/
Dependencies: I2SSlave SDFileSystem TLV320 mbed
main.cpp
- Committer:
- okini3939
- Date:
- 2014-02-18
- Revision:
- 0:8ba6230eefbd
File content as of revision 0:8ba6230eefbd:
#include "mbed.h" #include "player.h" Serial pc(USBTX, USBRX); DigitalOut led1(LED1), led2(LED2), led3(LED3), led4(LED4); Ticker ticker; extern int dac_step; extern "C" void HardFault_Handler() { printf("Hard Fault!\r\n"); exit(-1); } void isr_ticker () { static int w = 0; // LED off w ++; if (w >= 10) { led4 = 0; w = 0; } } void poll () { int i; static char buf[40]; static char count = 0; // serial control if (pc.readable()) { i = pc.getc(); if (i == 0x0d || i == 0x0a) { buf[count] = 0; count = 0; led3 = 0; if (command(buf)) { led3 = 1; } } else if (i >= 0x20 && i < 0x7f && count < sizeof(buf) - 1) { buf[count] = i; count ++; } } } int main(int argc, char *argv[]) { int i; pc.baud(115200); pc.printf("madplayer LPC4088\r\n"); ticker.attach(&isr_ticker, 0.01); wait_ms(100); if (init_audio()) return -1; led1 = 0; led2 = 1; for (;;) { poll(); } }