• State
  • Locked Locked
  • Replies 0 replies
  • Subscribers 53 subscribers
  • Views 253 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

CC1110 I2S communication audio Master Slave clarity problem

Jack Dev
Intellectual 595 points

I bumped into a problem while implementing a Master  Slave two way audio communication using cc1110 I2S using the below given settings

I2SCFG0 = 0x3F; // Bit 7 - TX Interrupts disabled
// Bit 6 - RX Interrupts disabled
// Bit 5 - ulaw expansion enabled
// Bit 4 - ulaw compression enabled
// Bit 3 - TX mono mode enabled
// Bit 2 - RX mono mode enabled
// Bit 1 - mode set to Master
// Bit 0 - I2S interface disabled
I2SCFG1 = 0x78; // Bits 7:4 - WORDSIZE = 16 bits
I2SCLKF2 = 0x06; // Fsck = 256 kHz, Wordsize = 16 bits
I2SCLKF1 = 0x59; 
I2SCLKF0 = 0x20;

While I try to change the I2SCLKF1 = 0x59;  to I2SCLKF1 = 0x57 and then back to I2SCLKF1 = 0x59; (Changing the register values manually through an external button) the clarity in the speech is  affected a noise kicks in the audio out and this effect happens and persists till I redo all the  " I2SCLKF1 = 0x59;  to I2SCLKF1 = 0x57 and then back to I2SCLKF1 = 0x59;"  tasks.Please shed some light into this issue and enlighten me why this is happening or is there any rule of thumb for correcting this kind of problems, I am really stranded and any help is greatly appreciated.