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Update esp32_i2s_parallel_dma.cpp

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mrfaptastic 2022-11-07 01:01:58 +00:00
parent 84c250c668
commit 2d5d06129a
1 changed files with 21 additions and 25 deletions
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46
src/platforms/esp32/esp32_i2s_parallel_dma.cpp
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@ -603,39 +603,35 @@ static void IRAM_ATTR irq_hndlr(void* arg) { // if we use I2S1 (default)
_dmadesc_b[_dmadesc_last].qe.stqe_next = _dmadesc_blank; _dmadesc_b[_dmadesc_last].qe.stqe_next = _dmadesc_blank;
} }
*/ */
// THIS WORKS SMOOTHLY EXCEPT FOR THE OFFSET ON MOVING GRAPHICS // THIS WORKS SMOOTHLY EXCEPT FOR THE OFFSET ON MOVING GRAPHICS
_dev->int_ena.out_eof = 1; _dev->int_ena.out_eof = 1;
if ( current_back_buffer_id == 1) {
// Wait until we're now stuck in a _dmadesc_a loop; _dmadesc_a[_dmadesc_last].qe.stqe_next = &_dmadesc_b[0];
active_dma_buffer_output_count = 0;
while (!active_dma_buffer_output_count) {}
if ( current_back_buffer_id == 1) { // Wait until we're now stuck in a _dmadesc_a loop;
active_dma_buffer_output_count = 0;
while (!active_dma_buffer_output_count) {}
_dmadesc_a[_dmadesc_last].qe.stqe_next = &_dmadesc_a[0]; // get this preped for the next flip buffer
} else {
_dmadesc_b[_dmadesc_last].qe.stqe_next = &_dmadesc_a[0];
_dmadesc_a[_dmadesc_last].qe.stqe_next = &_dmadesc_b[0]; // Wait until we're now stuck in a _dmadesc_a loop;
active_dma_buffer_output_count = 0;
// Wait until we're now stuck in a _dmadesc_a loop; while (!active_dma_buffer_output_count) {}
active_dma_buffer_output_count = 0;
while (!active_dma_buffer_output_count) {} _dmadesc_b[_dmadesc_last].qe.stqe_next = &_dmadesc_b[0];
}
_dmadesc_a[_dmadesc_last].qe.stqe_next = &_dmadesc_a[0]; // get this preped for the next flip buffer current_back_buffer_id ^= 1;
} else {
_dmadesc_b[_dmadesc_last].qe.stqe_next = &_dmadesc_a[0];
// Wait until we're now stuck in a _dmadesc_a loop;
active_dma_buffer_output_count = 0;
while (!active_dma_buffer_output_count) {}
_dmadesc_b[_dmadesc_last].qe.stqe_next = &_dmadesc_b[0];
}
current_back_buffer_id ^= 1;
// Disable intterupt // Disable intterupt
_dev->int_ena.out_eof = 0; _dev->int_ena.out_eof = 0;
} // end flip } // end flip