public int i2s_write(ref i2s_t obj, byte[] p_data, int data_size, IntPtr p_notify_func, IntPtr p_app_data)
{
if (!interfaces.TryGetValue(obj.id, out var uif))
{
throw new ArgumentException();
}
return(((I2S)uif).Write(p_data, data_size, p_notify_func, p_app_data));
}
public void i2s_config_channel(ref i2s_t obj, ref ssif_channel_cfg_t cfg)
{
if (!interfaces.TryGetValue(obj.id, out var uif))
{
throw new ArgumentException();
}
((I2S)uif).ConfigChannel(ref cfg);
}
public void i2s_config(ref i2s_t obj, ref ssif_channel_cfg_t cfg, int max_write_num, int max_read_num)
{
if (!interfaces.TryGetValue(obj.id, out var uif))
{
throw new ArgumentException();
}
((I2S)uif).Config(ref cfg, max_write_num, max_read_num);
}
private void DeleteI2S(ref i2s_t obj)
{
if (!interfaces.TryGetValue(obj.id, out var uif))
{
return;
}
pin_if.Remove(((I2S)uif).tx);
pin_if.Remove(((I2S)uif).rx);
pin_if.Remove(((I2S)uif).sck);
pin_if.Remove(((I2S)uif).ws);
pin_if.Remove(((I2S)uif).audio_clk);
interfaces.Remove(obj.id);
}
private IUnitInterface CreateI2S(ref i2s_t obj, PinName tx, PinName rx, PinName sck, PinName ws, PinName audio_clk)
{
var p = PinMap.Peripheral(tx, PinMap.PinMap_I2S_TX);
if (p == (int)PinName.NC)
{
return(null);
}
var t = PinMap.Peripheral(rx, PinMap.PinMap_I2S_RX);
if ((t == (int)PinName.NC) || (t != p))
{
return(null);
}
t = PinMap.Peripheral(sck, PinMap.PinMap_I2S_SCK);
if ((t == (int)PinName.NC) || (t != p))
{
return(null);
}
t = PinMap.Peripheral(ws, PinMap.PinMap_I2S_WS);
if ((t == (int)PinName.NC) || (t != p))
{
return(null);
}
t = PinMap.Peripheral(audio_clk, PinMap.PinMap_I2S_AUDIO_CLK);
if ((t != (int)PinName.NC) && (t != p))
{
return(null);
}
if (!interfaces.TryGetValue(obj.id, out var uif))
{
if (pin_if.ContainsKey(tx) || pin_if.ContainsKey(rx) || pin_if.ContainsKey(sck) || pin_if.ContainsKey(ws))
{
throw new ArgumentException();
}
uif = new I2S((I2SName)p, tx, rx, sck, ws, audio_clk);
obj.id = uif.GetHashCode();
interfaces.Add(obj.id, uif);
}
return(uif);
}
public void i2s_init(ref i2s_t obj, PinName tx, PinName rx, PinName sck, PinName ws, PinName audio_clk)
{
CreateI2S(ref obj, tx, rx, sck, ws, audio_clk);
}
