michael hollegha
/
TalkThrough
TalkThrough Demo for TLV320HL
TalkThrough.cpp@0:78b884c496bc, 2014-10-22 (annotated)
- Committer:
- hollegha
- Date:
- Wed Oct 22 09:26:39 2014 +0000
- Revision:
- 0:78b884c496bc
TalkThrough Demo for TLV320HL
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
hollegha | 0:78b884c496bc | 1 | #include "mbed.h" |
hollegha | 0:78b884c496bc | 2 | #include "TLV320HL.h" |
hollegha | 0:78b884c496bc | 3 | |
hollegha | 0:78b884c496bc | 4 | const float F_SAMPLE = 32000.0; |
hollegha | 0:78b884c496bc | 5 | const float F_SAMPLE_IST = 31251; |
hollegha | 0:78b884c496bc | 6 | |
hollegha | 0:78b884c496bc | 7 | // tx_sda tx_ws clk rx_sda rx_ws |
hollegha | 0:78b884c496bc | 8 | I2SSlave i2s(p5, p6, p7, p8, p29); |
hollegha | 0:78b884c496bc | 9 | // sda scl addr |
hollegha | 0:78b884c496bc | 10 | TLV320 tlv(p9, p10, 52, &i2s); |
hollegha | 0:78b884c496bc | 11 | |
hollegha | 0:78b884c496bc | 12 | void I2S_ISR(); |
hollegha | 0:78b884c496bc | 13 | |
hollegha | 0:78b884c496bc | 14 | int main() |
hollegha | 0:78b884c496bc | 15 | { |
hollegha | 0:78b884c496bc | 16 | tlv.Init(F_SAMPLE); |
hollegha | 0:78b884c496bc | 17 | i2s.attach(&I2S_ISR); |
hollegha | 0:78b884c496bc | 18 | i2s.Start(); |
hollegha | 0:78b884c496bc | 19 | while(1) { |
hollegha | 0:78b884c496bc | 20 | } |
hollegha | 0:78b884c496bc | 21 | } |
hollegha | 0:78b884c496bc | 22 | |
hollegha | 0:78b884c496bc | 23 | void I2S_ISR() |
hollegha | 0:78b884c496bc | 24 | { |
hollegha | 0:78b884c496bc | 25 | int32_t left, right; |
hollegha | 0:78b884c496bc | 26 | // for(int i=1; i<=1; i++) 32kHz ISR-Load |
hollegha | 0:78b884c496bc | 27 | // for(int i=1; i<=8; i++) 4kHz ISR-Load |
hollegha | 0:78b884c496bc | 28 | for(int i=1; i<=8; i++) { |
hollegha | 0:78b884c496bc | 29 | i2s.Read(&left, &right); |
hollegha | 0:78b884c496bc | 30 | // Do DSP |
hollegha | 0:78b884c496bc | 31 | i2s.Write(left, left); |
hollegha | 0:78b884c496bc | 32 | } |
hollegha | 0:78b884c496bc | 33 | } |
hollegha | 0:78b884c496bc | 34 | |
hollegha | 0:78b884c496bc | 35 |