forked from M-Labs/artiq
runtime: support arbitrarily long initial DDS setup time
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parent
92efde1e40
commit
6861d28d2d
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@ -73,7 +73,7 @@ class LinkInterface:
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class Environment(LinkInterface):
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def __init__(self, ref_period):
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self.ref_period = ref_period
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self.initial_time = 10000
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self.initial_time = 2000
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def emit_object(self):
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tm = lt.TargetMachine.new(triple="or1k", cpu="generic")
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@ -18,9 +18,19 @@
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#define RTIO_FUD_CHANNEL 4
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static void fud_sync(void)
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{
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rtio_chan_sel_write(RTIO_FUD_CHANNEL);
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while(rtio_o_level_read() != 0);
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}
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static void fud(long long int fud_time)
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{
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int r;
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r = rtio_reset_read();
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rtio_reset_write(0);
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rtio_chan_sel_write(RTIO_FUD_CHANNEL);
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if(fud_time < 0) {
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rtio_counter_update_write(1);
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@ -32,12 +42,11 @@ static void fud(long long int fud_time)
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rtio_o_timestamp_write(fud_time+3*8);
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rtio_o_value_write(0);
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rtio_o_we_write(1);
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}
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static void fud_sync(void)
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{
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rtio_chan_sel_write(RTIO_FUD_CHANNEL);
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while(rtio_o_level_read() != 0);
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if(r) {
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fud_sync();
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rtio_reset_write(1);
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}
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}
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void dds_init(void)
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@ -29,8 +29,8 @@ int main(void)
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if(length > 0) {
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k = load_elf(resolve_symbol, "run", kbuf, length, kcode, sizeof(kcode));
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if(k != NULL) {
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dds_init();
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rtio_init();
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dds_init();
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flush_cpu_icache();
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k();
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kernel_finished();
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