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Remove compiler warning and risk of alignment for EP buffers

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This commit is contained in:
Ed Clarke
2018-11-08 17:13:06 +00:00
parent 4d5049a47a
commit 4262cc81ac
1 changed files with 34 additions and 16 deletions
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50
examples/xua_lite_example/src/xua_buffer_lite.xc
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@@ -196,8 +196,17 @@ unsafe void XUA_Buffer_lite(chanend c_ep0_out, chanend c_ep0_in, chanend c_aud_o
debug_printf("%d\n", MAX_OUT_SAMPLES_PER_SOF_PERIOD);
unsigned char buffer_aud_out[OUT_AUDIO_BUFFER_SIZE_BYTES];
unsigned char buffer_aud_in[IN_AUDIO_BUFFER_SIZE_BYTES];
//These buffers are unions so we can access them as different types
union buffer_aud_out{
unsigned char bytes[OUT_AUDIO_BUFFER_SIZE_BYTES];
short short_words[OUT_AUDIO_BUFFER_SIZE_BYTES / 2];
long long_words[OUT_AUDIO_BUFFER_SIZE_BYTES / 4];
}buffer_aud_out;
union buffer_aud_in{
unsigned char bytes[IN_AUDIO_BUFFER_SIZE_BYTES];
short short_words[IN_AUDIO_BUFFER_SIZE_BYTES / 2];
unsigned long long_words[IN_AUDIO_BUFFER_SIZE_BYTES / 4];
}buffer_aud_in;
unsigned in_subslot_size = (AUDIO_CLASS == 1) ? FS_STREAM_FORMAT_INPUT_1_SUBSLOT_BYTES : HS_STREAM_FORMAT_INPUT_1_SUBSLOT_BYTES;
unsigned out_subslot_size = (AUDIO_CLASS == 1) ? FS_STREAM_FORMAT_OUTPUT_1_SUBSLOT_BYTES : HS_STREAM_FORMAT_OUTPUT_1_SUBSLOT_BYTES;
@@ -235,8 +244,8 @@ unsafe void XUA_Buffer_lite(chanend c_ep0_out, chanend c_ep0_in, chanend c_aud_o
unsigned output_interface_num = 0;
//Enable all EPs
XUD_SetReady_OutPtr(ep_aud_out, (unsigned)buffer_aud_out);
XUD_SetReady_InPtr(ep_aud_in, (unsigned)buffer_aud_in, num_samples_to_send_to_host);
XUD_SetReady_OutPtr(ep_aud_out, (unsigned)buffer_aud_out.long_words);
XUD_SetReady_InPtr(ep_aud_in, (unsigned)buffer_aud_in.long_words, num_samples_to_send_to_host);
XUD_SetReady_Out(ep0_out, sbuffer);
if (!isnull(c_feedback)) XUD_SetReady_InPtr(ep_feedback, (unsigned)fb_clocks, (AUDIO_CLASS == 2) ? 4 : 3);
@@ -288,7 +297,7 @@ unsafe void XUA_Buffer_lite(chanend c_ep0_out, chanend c_ep0_in, chanend c_aud_o
num_samples_received_from_host = length / out_subslot_size;
fifo_ret_t ret = fifo_block_push_short_pairs(host_to_device_fifo_ptr, (short *)buffer_aud_out, num_samples_received_from_host);
fifo_ret_t ret = fifo_block_push_short_pairs(host_to_device_fifo_ptr, buffer_aud_out.short_words, num_samples_received_from_host);
if (ret != FIFO_SUCCESS) debug_printf("h2d full\n");
num_samples_to_send_to_host = num_samples_received_from_host;
@@ -296,7 +305,7 @@ unsafe void XUA_Buffer_lite(chanend c_ep0_out, chanend c_ep0_in, chanend c_aud_o
fill_level_process(fill_level, clock_nudge);
//Mark EP as ready for next frame from host
XUD_SetReady_OutPtr(ep_aud_out, (unsigned)buffer_aud_out);
XUD_SetReady_OutPtr(ep_aud_out, (unsigned)buffer_aud_out.long_words);
//tmr :> t1; debug_printf("o%d\n", t1 - t0);
break;
@@ -316,7 +325,7 @@ unsafe void XUA_Buffer_lite(chanend c_ep0_out, chanend c_ep0_in, chanend c_aud_o
if (output_interface_num == 0) num_samples_to_send_to_host = (DEFAULT_FREQ / SOF_FREQ_HZ) * NUM_USB_CHAN_IN;
fifo_ret_t ret = fifo_block_pop_short_pairs(device_to_host_fifo_ptr, (short *)buffer_aud_in, num_samples_received_from_host);
fifo_ret_t ret = fifo_block_pop_short_pairs(device_to_host_fifo_ptr, buffer_aud_in.short_words, num_samples_received_from_host);
if (ret != FIFO_SUCCESS) debug_printf("d2h empty\n");
//Populate the input buffer ready for the next read
@@ -324,7 +333,7 @@ unsafe void XUA_Buffer_lite(chanend c_ep0_out, chanend c_ep0_in, chanend c_aud_o
//Use the number of samples we received last time so we are always balanced (assumes same in/out count)
unsigned input_buffer_size = num_samples_to_send_to_host * in_subslot_size;
XUD_SetReady_InPtr(ep_aud_in, (unsigned)buffer_aud_in, input_buffer_size); //loopback
XUD_SetReady_InPtr(ep_aud_in, (unsigned)buffer_aud_in.long_words, input_buffer_size); //loopback
num_samples_to_send_to_host = 0;
//tmr :> t1; debug_printf("i%d\n", t1 - t0);
@@ -355,8 +364,17 @@ unsafe void XUA_Buffer_lite2(server ep0_control_if i_ep0_ctl, chanend c_aud_out,
debug_printf("%d\n", MAX_OUT_SAMPLES_PER_SOF_PERIOD);
unsigned char buffer_aud_out[OUT_AUDIO_BUFFER_SIZE_BYTES];
unsigned char buffer_aud_in[IN_AUDIO_BUFFER_SIZE_BYTES];
//These buffers are unions so we can access them as different types
union buffer_aud_out{
unsigned char bytes[OUT_AUDIO_BUFFER_SIZE_BYTES];
short short_words[OUT_AUDIO_BUFFER_SIZE_BYTES / 2];
long long_words[OUT_AUDIO_BUFFER_SIZE_BYTES / 4];
}buffer_aud_out;
union buffer_aud_in{
unsigned char bytes[IN_AUDIO_BUFFER_SIZE_BYTES];
short short_words[IN_AUDIO_BUFFER_SIZE_BYTES / 2];
unsigned long long_words[IN_AUDIO_BUFFER_SIZE_BYTES / 4];
}buffer_aud_in;
unsigned in_subslot_size = (AUDIO_CLASS == 1) ? FS_STREAM_FORMAT_INPUT_1_SUBSLOT_BYTES : HS_STREAM_FORMAT_INPUT_1_SUBSLOT_BYTES;
unsigned out_subslot_size = (AUDIO_CLASS == 1) ? FS_STREAM_FORMAT_OUTPUT_1_SUBSLOT_BYTES : HS_STREAM_FORMAT_OUTPUT_1_SUBSLOT_BYTES;
@@ -388,8 +406,8 @@ unsafe void XUA_Buffer_lite2(server ep0_control_if i_ep0_ctl, chanend c_aud_out,
unsigned output_interface_num = 0;
//Enable all EPs
XUD_SetReady_OutPtr(ep_aud_out, (unsigned)buffer_aud_out);
XUD_SetReady_InPtr(ep_aud_in, (unsigned)buffer_aud_in, num_samples_to_send_to_host);
XUD_SetReady_OutPtr(ep_aud_out, (unsigned)buffer_aud_out.long_words);
XUD_SetReady_InPtr(ep_aud_in, (unsigned)buffer_aud_in.long_words, num_samples_to_send_to_host);
if (!isnull(c_feedback)) XUD_SetReady_InPtr(ep_feedback, (unsigned)fb_clocks, (AUDIO_CLASS == 2) ? 4 : 3);
@@ -439,7 +457,7 @@ unsafe void XUA_Buffer_lite2(server ep0_control_if i_ep0_ctl, chanend c_aud_out,
num_samples_received_from_host = length / out_subslot_size;
fifo_ret_t ret = fifo_block_push_short_pairs(host_to_device_fifo_ptr, (short *)buffer_aud_out, num_samples_received_from_host);
fifo_ret_t ret = fifo_block_push_short_pairs(host_to_device_fifo_ptr, buffer_aud_out.short_words, num_samples_received_from_host);
if (ret != FIFO_SUCCESS) debug_printf("h2d full\n");
num_samples_to_send_to_host = num_samples_received_from_host;
@@ -447,7 +465,7 @@ unsafe void XUA_Buffer_lite2(server ep0_control_if i_ep0_ctl, chanend c_aud_out,
fill_level_process(fill_level, clock_nudge);
//Mark EP as ready for next frame from host
XUD_SetReady_OutPtr(ep_aud_out, (unsigned)buffer_aud_out);
XUD_SetReady_OutPtr(ep_aud_out, (unsigned)buffer_aud_out.long_words);
//tmr :> t1; debug_printf("o%d\n", t1 - t0);
break;
@@ -467,7 +485,7 @@ unsafe void XUA_Buffer_lite2(server ep0_control_if i_ep0_ctl, chanend c_aud_out,
if (output_interface_num == 0) num_samples_to_send_to_host = (DEFAULT_FREQ / SOF_FREQ_HZ) * NUM_USB_CHAN_IN;
fifo_ret_t ret = fifo_block_pop_short_pairs(device_to_host_fifo_ptr, (short *)buffer_aud_in, num_samples_received_from_host);
fifo_ret_t ret = fifo_block_pop_short_pairs(device_to_host_fifo_ptr, buffer_aud_in.short_words, num_samples_received_from_host);
if (ret != FIFO_SUCCESS) debug_printf("d2h empty\n");
//Populate the input buffer ready for the next read
@@ -475,7 +493,7 @@ unsafe void XUA_Buffer_lite2(server ep0_control_if i_ep0_ctl, chanend c_aud_out,
//Use the number of samples we received last time so we are always balanced (assumes same in/out count)
unsigned input_buffer_size = num_samples_to_send_to_host * in_subslot_size;
XUD_SetReady_InPtr(ep_aud_in, (unsigned)buffer_aud_in, input_buffer_size); //loopback
XUD_SetReady_InPtr(ep_aud_in, (unsigned)buffer_aud_in.long_words, input_buffer_size); //loopback
num_samples_to_send_to_host = 0;
//tmr :> t1; debug_printf("i%d\n", t1 - t0);