CQ Publishing / Mbed 2 deprecated AquesTalk_pico_test

トランジスタ技術2015年6月号mbedラジコン・カーp182 リスト3 音声合成LSIのmbedメイン・プログラム

Dependencies:   mbed

ATP3012.cpp

Committer:
YoshihitoShimada
Date:
2015-06-01
Revision:
0:32f0c58ff820

File content as of revision 0:32f0c58ff820:

#include "ATP3012.h"
 
ATP3012::ATP3012(PinName sda, PinName scl, int addr):_i2c(sda, scl)
{
    _addr = addr;
    _poll_wait.reset();
    _poll_wait.start();
}
 
bool ATP3012::IsActive(int timeout_ms)
{
    wait_ms(AQTK_STARTUP_WAIT_MS);
    Timer t;
    t.reset();
    t.start();
    while(t.read_ms() < timeout_ms) {
        _poll_wait.reset();
        if (_i2c.write(_addr, NULL, 0) == 0) {
            return true;
        }
        wait_ms(AQTK_POLL_WAIT_MS);
    }
    return false;
}
    
void ATP3012::Synthe(const char* msg)
{
    while(IsBusy()) {
        ;
    }
    Write(msg);
    Write("\r");
}
 
void ATP3012::Write(const char *msg)
{
    _i2c.write(_addr, msg, strlen(msg));    
    _poll_wait.reset();
}
 
bool ATP3012::IsBusy()
{
    if (AQTK_POLL_WAIT_MS > _poll_wait.read_ms()) {
        return true;
    } 
    _poll_wait.reset();
    char c = 0x00;
    if (_i2c.read(_addr, &c, 1) != 0) {
        return false;
    }
    return c == '*' || c == 0xff;
}