// Lua: realfrequency = setup( idR,idG,idB,frequency)
static int lpwmled_setup( lua_State* L )
{
s32 freq; // signed, to error check for negative values
int err;
if((err=checkid(L,&(led.pwmidr),1))!=1) return err;
if((err=checkid(L,&(led.pwmidg),2))!=1) return err;
if((err=checkid(L,&(led.pwmidb),3))!=1) return err;
freq = luaL_checkinteger( L, 4 );
if ( freq <= 0 )
return luaL_error( L, "wrong arg range" );
led.frequency=freq;
if ( led.frequency > 0 ) led.frequency = platform_pwm_setup( led.pwmidr,led.frequency, 0 );
if ( led.frequency > 0 ) led.frequency = platform_pwm_setup( led.pwmidg,led.frequency, 0 );
if ( led.frequency > 0 ) led.frequency = platform_pwm_setup( led.pwmidb,led.frequency, 0 );
if(led.frequency==0)
return luaL_error( L, "too many pwms." );
lua_pushinteger( L, led.frequency );
platform_pwm_start( led.pwmidr );
platform_pwm_start( led.pwmidg );
platform_pwm_start( led.pwmidb );
led.maxduty_r=1023;
led.maxduty_g=1023;
led.maxduty_b=1023;
return 1;
}
// Lua: start( id )
static int ICACHE_FLASH_ATTR lpwm_start( lua_State* L )
{
unsigned id;
id = luaL_checkinteger( L, 1 );
MOD_CHECK_ID( pwm, id );
platform_pwm_start( id );
return 0;
}
// Lua: start( id )
static int lpwm_start( lua_State* L )
{
unsigned id;
id = luaL_checkinteger( L, 1 );
MOD_CHECK_ID( pwm, id );
if (!platform_pwm_start( id )) {
return luaL_error(L, "Unable to start PWM output");
}
return 0;
}
static int lpwm_start(lua_State* L) {
int id = luaL_checkinteger(L, 1);
if (!platform_pwm_exists(L, id)) {
return luaL_error(L, "pwm%d does not exist", id);
}
if (!pwm[id - 1].configured) {
return luaL_error(L, "pwm%d is not setup", id);
}
platform_pwm_start(L, id);
pwm[id - 1].started = 1;
return 0;
}
OSStatus MicoPwmStart( mico_pwm_t pwm )
{
if ( pwm >= MICO_PWM_NONE )
return kUnsupportedErr;
return (OSStatus) platform_pwm_start( &platform_pwm_peripherals[pwm] );
}