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Resolved merge conflict

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This commit is contained in:
Ross Owen
2016-01-12 12:11:20 +00:00
parent dcc81c6dd7 bf75f409f7
commit fc6a4ef8fc
1 changed files with 14 additions and 2 deletions
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16
module_usb_audio/pdm_mics/pcm_pdm_mic.xc
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@@ -21,8 +21,12 @@
/* Hardware resources */
in port p_pdm_clk = PORT_PDM_CLK;
in buffered port:32 p_pdm_mics = PORT_PDM_DATA;
#if AUDIO_IO_TILE != PDM_TILE
in port p_mclk = PORT_PDM_MCLK;
clock pdmclk = on tile[PDM_TILE]: XS1_CLKBLK_3;
#else
// Use 'p_mclk_in' shared by I2S
#endif
clock pdmclk = on tile[PDM_TILE]: XS1_CLKBLK_4;
/* User hooks */
unsafe void user_pdm_process(frame_audio * unsafe audio, int output[]);
@@ -97,7 +101,15 @@ void pcm_pdm_mic(chanend c_pcm_out)
streaming chan c_ds_output[2];
/* TODO, always run mics at 3MHz */
configure_clock_src_divide(pdmclk, p_mclk, 2);
/* Assuming MCLK is 24.576 MHz */
#if AUDIO_IO_TILE != PDM_TILE
configure_clock_src_divide(pdmclk, p_mclk, 4);
#else
unsigned port_id, divide = 4;
asm("ldw %0, dp[p_mclk_in]":"=r"(port_id));
asm("setclk res[%0], %1"::"r"(pdmclk), "r"(port_id));
asm("setd res[%0], %1"::"r"(pdmclk), "r"(divide));
#endif
configure_port_clock_output(p_pdm_clk, pdmclk);
configure_in_port(p_pdm_mics, pdmclk);
start_clock(pdmclk);