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Mclk clock-block never stopped

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Ross Owen
2013-09-09 23:41:26 +01:00
parent 3a746c5c56
commit 9631982576
1 changed files with 7 additions and 6 deletions
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13
module_usb_audio/ports/audioports.xc
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@@ -39,7 +39,7 @@ unsigned int divide)
/* Stop bit and master clock blocks and clear port buffers */ /* Stop bit and master clock blocks and clear port buffers */
stop_clock(clk_audio_bclk); stop_clock(clk_audio_bclk);
stop_clock(clk_audio_mclk); //stop_clock(clk_audio_mclk);
if(!isnull(p_lrclk)) if(!isnull(p_lrclk))
{ {
@@ -62,7 +62,8 @@ unsigned int divide)
#endif #endif
/* Clock master clock-block from master-clock port */ /* Clock master clock-block from master-clock port */
configure_clock_src(clk_audio_mclk, p_mclk_in); // Now done outside of function
//configure_clock_src(clk_audio_mclk, p_mclk_in);
/* For a divide of one (i.e. bitclock == master-clock) BClk is set to clock_output mode. /* For a divide of one (i.e. bitclock == master-clock) BClk is set to clock_output mode.
* In this mode it outputs an edge clock on every tick of itsassociated clock_block. * In this mode it outputs an edge clock on every tick of itsassociated clock_block.
@@ -107,7 +108,7 @@ unsigned int divide)
/* Start clock blocks ticking */ /* Start clock blocks ticking */
start_clock(clk_audio_mclk); //start_clock(clk_audio_mclk);
start_clock(clk_audio_bclk); start_clock(clk_audio_bclk);
/* bclk initial state needs to be high */ /* bclk initial state needs to be high */
@@ -120,11 +121,11 @@ unsigned int divide)
/* Stop bit and master clock blocks */ /* Stop bit and master clock blocks */
stop_clock(clk_audio_bclk); stop_clock(clk_audio_bclk);
stop_clock(clk_audio_mclk); //stop_clock(clk_audio_mclk);
/* Clock master clock-block from master-clock port - /* Clock master clock-block from master-clock port -
* though not directly used in I2S slave mode it is required for FB */ * though not directly used in I2S slave mode it is required for FB */
configure_clock_src(clk_audio_mclk, p_mclk_in); //configure_clock_src(clk_audio_mclk, p_mclk_in);
/* Clock bclk clock-block from bclk pin */ /* Clock bclk clock-block from bclk pin */
configure_clock_src(clk_audio_bclk, p_bclk); configure_clock_src(clk_audio_bclk, p_bclk);
@@ -144,7 +145,7 @@ unsigned int divide)
configure_in_port_no_ready(p_lrclk, clk_audio_bclk); configure_in_port_no_ready(p_lrclk, clk_audio_bclk);
start_clock(clk_audio_bclk); start_clock(clk_audio_bclk);
start_clock(clk_audio_mclk); //start_clock(clk_audio_mclk);
#endif #endif
} }