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Diffstat (limited to 'firmware/zpu/apps/cruft/double_buffer_fragment.c')
-rw-r--r--firmware/zpu/apps/cruft/double_buffer_fragment.c138
1 files changed, 138 insertions, 0 deletions
diff --git a/firmware/zpu/apps/cruft/double_buffer_fragment.c b/firmware/zpu/apps/cruft/double_buffer_fragment.c
new file mode 100644
index 000000000..cfc061247
--- /dev/null
+++ b/firmware/zpu/apps/cruft/double_buffer_fragment.c
@@ -0,0 +1,138 @@
+#if 0
+void
+double_buffering(int port) {
+ unsigned int localstatus = buffer_pool_status->status;
+
+ if(localstatus & BPS_DONE_0) {
+ bp_clear_buf(0);
+ if(buffer_state[0] == FILLING) {
+ buffer_state[0] = FULL;
+ if(buffer_state[1] == EMPTY) {
+ bp_receive_to_buf(1, 1, 1, 10, 509); // DSP_RX to buffer 1, use 500 lines
+ buffer_state[1] = FILLING;
+ }
+ else
+ dsp_rx_idle = 1;
+ if(serdes_tx_idle) {
+ serdes_tx_idle = 0;
+ bp_send_from_buf(0, port, 1, 10, 509); // SERDES_TX from buffer 0
+ buffer_state[0] = EMPTYING;
+ }
+ }
+ else { // buffer was emptying
+ buffer_state[0] = EMPTY;
+ if(dsp_rx_idle) {
+ dsp_rx_idle = 0;
+ bp_receive_to_buf(0, 1, 1, 10, 509); // DSP_RX to buffer 0, use 500 lines
+ buffer_state[0] = FILLING;
+ }
+ if(buffer_state[1] == FULL) {
+ bp_send_from_buf(1, port, 1, 10, 509); // SERDES_TX from buffer 1
+ buffer_state[1] = EMPTYING;
+ }
+ else
+ serdes_tx_idle = 1;
+ }
+ putstr("Int Proc'ed 0\n");
+ }
+
+ if(localstatus & BPS_DONE_1) {
+ bp_clear_buf(1);
+ if(buffer_state[1] == FILLING) {
+ buffer_state[1] = FULL;
+ if(buffer_state[0] == EMPTY) {
+ bp_receive_to_buf(0, 1, 1, 10, 509); // DSP_RX to buffer 1, use 500 lines
+ buffer_state[0] = FILLING;
+ }
+ else
+ dsp_rx_idle = 1;
+ if(serdes_tx_idle) {
+ serdes_tx_idle = 0;
+ bp_send_from_buf(1, port, 1, 10, 509); // SERDES_TX from buffer 1
+ buffer_state[1] = EMPTYING;
+ }
+ }
+ else { // buffer was emptying
+ buffer_state[1] = EMPTY;
+ if(dsp_rx_idle) {
+ dsp_rx_idle = 0;
+ bp_receive_to_buf(1, 1, 1, 10, 509); // DSP_RX to buffer 1, use 500 lines
+ buffer_state[1] = FILLING;
+ }
+ if(buffer_state[0] == FULL) {
+ bp_send_from_buf(0, port, 1, 10, 509); // SERDES_TX from buffer 0
+ buffer_state[0] = EMPTYING;
+ }
+ else
+ serdes_tx_idle = 1;
+ }
+ putstr("Int Proc'ed 1\n");
+ }
+
+ if(localstatus & BPS_DONE_2) {
+ bp_clear_buf(2);
+ if(buffer_state[2] == FILLING) {
+ buffer_state[2] = FULL;
+ if(buffer_state[3] == EMPTY) {
+ bp_receive_to_buf(3, port, 1, 5, 504); // SERDES_RX to buffer 3, use 500 lines
+ buffer_state[3] = FILLING;
+ }
+ else
+ serdes_rx_idle = 1;
+ if(dsp_tx_idle) {
+ dsp_tx_idle = 0;
+ bp_send_from_buf(2, 1, 1, 5, 504); // DSP_TX from buffer 2
+ buffer_state[2] = EMPTYING;
+ }
+ }
+ else { // buffer was emptying
+ buffer_state[2] = EMPTY;
+ if(serdes_rx_idle) {
+ serdes_rx_idle = 0;
+ bp_receive_to_buf(2, port, 1, 5, 504); // SERDES_RX to buffer 2
+ buffer_state[2] = FILLING;
+ }
+ if(buffer_state[3] == FULL) {
+ bp_send_from_buf(3, 1, 1, 5, 504); // DSP_TX from buffer 3
+ buffer_state[3] = EMPTYING;
+ }
+ else
+ dsp_tx_idle = 1;
+ }
+ putstr("Int Proc'ed 2\n");
+ }
+
+ if(localstatus & BPS_DONE_3) {
+ bp_clear_buf(3);
+ if(buffer_state[3] == FILLING) {
+ buffer_state[3] = FULL;
+ if(buffer_state[2] == EMPTY) {
+ bp_receive_to_buf(2, port, 1, 5, 504); // SERDES_RX to buffer 2, use 500 lines
+ buffer_state[2] = FILLING;
+ }
+ else
+ serdes_rx_idle = 1;
+ if(dsp_tx_idle) {
+ dsp_tx_idle = 0;
+ bp_send_from_buf(3, 1, 1, 5, 504); // DSP_TX from buffer 3
+ buffer_state[3] = EMPTYING;
+ }
+ }
+ else { // buffer was emptying
+ buffer_state[3] = EMPTY;
+ if(serdes_rx_idle) {
+ serdes_rx_idle = 0;
+ bp_receive_to_buf(3, port, 1, 5, 504); // SERDES_RX to buffer 3
+ buffer_state[3] = FILLING;
+ }
+ if(buffer_state[2] == FULL) {
+ bp_send_from_buf(2, 1, 1, 5, 504); // DSP_TX from buffer 2
+ buffer_state[2] = EMPTYING;
+ }
+ else
+ dsp_tx_idle = 1;
+ }
+ putstr("Int Proc'ed 3\n");
+ }
+}
+#endif