參數(shù)資料
型號(hào): PPSMMANUAL
英文描述: PPSMMANUAL
中文描述: PPSMMANUAL
文件頁(yè)數(shù): 88/187頁(yè)
文件大?。?/td> 1616K
代理商: PPSMMANUAL
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)第34頁(yè)第35頁(yè)第36頁(yè)第37頁(yè)第38頁(yè)第39頁(yè)第40頁(yè)第41頁(yè)第42頁(yè)第43頁(yè)第44頁(yè)第45頁(yè)第46頁(yè)第47頁(yè)第48頁(yè)第49頁(yè)第50頁(yè)第51頁(yè)第52頁(yè)第53頁(yè)第54頁(yè)第55頁(yè)第56頁(yè)第57頁(yè)第58頁(yè)第59頁(yè)第60頁(yè)第61頁(yè)第62頁(yè)第63頁(yè)第64頁(yè)第65頁(yè)第66頁(yè)第67頁(yè)第68頁(yè)第69頁(yè)第70頁(yè)第71頁(yè)第72頁(yè)第73頁(yè)第74頁(yè)第75頁(yè)第76頁(yè)第77頁(yè)第78頁(yè)第79頁(yè)第80頁(yè)第81頁(yè)第82頁(yè)第83頁(yè)第84頁(yè)第85頁(yè)第86頁(yè)第87頁(yè)當(dāng)前第88頁(yè)第89頁(yè)第90頁(yè)第91頁(yè)第92頁(yè)第93頁(yè)第94頁(yè)第95頁(yè)第96頁(yè)第97頁(yè)第98頁(yè)第99頁(yè)第100頁(yè)第101頁(yè)第102頁(yè)第103頁(yè)第104頁(yè)第105頁(yè)第106頁(yè)第107頁(yè)第108頁(yè)第109頁(yè)第110頁(yè)第111頁(yè)第112頁(yè)第113頁(yè)第114頁(yè)第115頁(yè)第116頁(yè)第117頁(yè)第118頁(yè)第119頁(yè)第120頁(yè)第121頁(yè)第122頁(yè)第123頁(yè)第124頁(yè)第125頁(yè)第126頁(yè)第127頁(yè)第128頁(yè)第129頁(yè)第130頁(yè)第131頁(yè)第132頁(yè)第133頁(yè)第134頁(yè)第135頁(yè)第136頁(yè)第137頁(yè)第138頁(yè)第139頁(yè)第140頁(yè)第141頁(yè)第142頁(yè)第143頁(yè)第144頁(yè)第145頁(yè)第146頁(yè)第147頁(yè)第148頁(yè)第149頁(yè)第150頁(yè)第151頁(yè)第152頁(yè)第153頁(yè)第154頁(yè)第155頁(yè)第156頁(yè)第157頁(yè)第158頁(yè)第159頁(yè)第160頁(yè)第161頁(yè)第162頁(yè)第163頁(yè)第164頁(yè)第165頁(yè)第166頁(yè)第167頁(yè)第168頁(yè)第169頁(yè)第170頁(yè)第171頁(yè)第172頁(yè)第173頁(yè)第174頁(yè)第175頁(yè)第176頁(yè)第177頁(yè)第178頁(yè)第179頁(yè)第180頁(yè)第181頁(yè)第182頁(yè)第183頁(yè)第184頁(yè)第185頁(yè)第186頁(yè)第187頁(yè)
17-152
Audio Tools
Programmer’s Manual
Example 16-1 PPSM tone playing
/* 100Hz, 1000Hz, 500Hz and 600Hz */
U16 toneData[] = {100, 1000, 500, 600};
/* Play a melody with 4 different tone frequencies, each with 250ms duration */
#ifdef EZ328
AudioPlayTone((P_U16)toneData, 4, TONE_DUR_4HZ, 1);
#else
AudioPlayTone((P_U16)toneData, 4, 250, 1);
#endif
To stop the tone playing, a user can call AudioStopTone(). To check if the Audio
Tools are currently being used, a user can call AudioInUse().
Note: This is impossible to play a tone with value of frequency less than the value
of duration, since the duration of this frequency is longer than the allowed
duration.
17.3
Wave playing (DragonBall-EZ only)
PPSM audio tools can play back a PCM(Pulse Code Modulation) audio wave file
that can be generated by many audio programs. Wave playing can be done by
two PPSM audio tools - AdvAudioPlayWave() and AudioPlayWave().
AdvAudioPlayWave() is provided for users with solid knowledge of PWM who
want to have advanced configuration details over the DragonBall-EZ PWM
module. For most cases, AudioPlayWave should be used.
STATUS
AudioPlayWave
(P_U8 waveData, U32 waveSize, U8 samplingRate)
Example 16-2 PPSM wave playing
/* Some PWM wave data */
U16 waveData[] = {...};
autoRepeat
To indicate if auto-repeat is needed or not
0 - no autorepeat.
1 - autorepeat.
Name
Description
waveData
The pointer to the PCM audio wave signal
waveSize
Total number of data bytes occupied by
the audio signal
samplingRate
The requested sampling rate
SAMPLING_32KHZ
SAMPLING_16KHZ
SAMPLING_11KHZ
SAMPLING_8KHZ
SAMPLING_4KHZ
Name
Description
Personal Portable System Manager
Programmer’s Manual
Audio Tools
17-153
/* Play a melody with 1000 data bytes at 16kHz sampling/reconstruction rate */
AudioPlayWave((P_U8)waveData, 1000, SAMPLING_16KHZ);
STATUS
AdvAudioPlayWave
(P_U8 waveData, U32 waveSize, U8 prescaler, U8
repeat, U8 clksel)
The sampling rate can be calculated by the above input parameters.
SamplingRate
16.58
MHz
(
)
(
=
For more detail information, please refer to the DragonBall-EZ
Example 16-3 PPSM wave playing
/* Play a melody with 1000 data bytes at 16kHz sampling/reconstruction rate */
/* 16kHz = 16.58Mz/(2 x 1 x 2 x 256) */
AdvAudioPlayWave((P_U8)waveData, 1000, 0, 2, 0);
The device driver function _PWMIrptHandler() under IrptDev.c should return
TRUE for proper wave playing with PPSM audio tools. If the user is going to use
his/her own PWM interrupt function and wants to disable PPSM audio wave
playing tools, the _PWMIrptHandler() should return FALSE instead.
An audio stops after it has finished or the user has called AudioStopTone() or
AudioStopWave(). After audio playing stops, an interrupt is sent to the task that
called AudioPlayTone() or AudioPlayWave() to indicate that the audio playing is
finished.
Example 16-4 Stopping an audio play
/* Some PWM wave data */
U16 waveData[] = {...};
/* Play a melody with 1000 data bytes at 16kHz sampling/reconstruction rate */
AudioPlayWave((P_U8)waveData, 1000, SAMPLING_16KHZ);
switch( IrptGetData((P_U32)&id, (P_U32*) &inData, (P_U32) &size) )
{
case IRPT_AUDIO:
Name
Description
waveData
waveSize
prescaler
(see DragonBall-EZ user’s
manual)
repeat(see DragonBall-EZ user’s
manual)
clksel(see DragonBall-EZ user’s
manual)
)
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
相關(guān)PDF資料
PDF描述
PPT005-1G-WW-2V-FE DRUCKWANDLER
PPT020-1A-WF-2V-FE DRUCKWANDLER
PPT100-1A-WN-2V-FE DRUCKWANDLER
PPT100-1G-WN-2V-FE DRUCKWANDLER
PPT500-1G-WN-2V-FE DRUCKWANDLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PPSN815 制造商:Pyle 功能描述:10 ft Eight Channel RCA Phono Snake Cable
PPST2 制造商:Amphenol Audio 功能描述:
PP-ST-50MM 制造商:Black Box Corporation 功能描述:PRE-POLISHED ST CON 50 MIC MM BLACK 12PAK
PP-ST-SM 制造商:Black Box Corporation 功能描述:PRE-POLISHED ST CON SM BLUE 12PAK
PPST-SP 制造商:Duratool 功能描述:Self Tapping Screw Kit-Panhead (Size 6-10)