mirror of https://github.com/m-labs/artiq.git
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
#include "mailbox.h"
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#include "messages.h"
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#include "rtio.h"
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#include "dds.h"
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#include "bridge.h"
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static void send_ready(void)
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{
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struct msg_base msg;
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msg.type = MESSAGE_TYPE_BRG_READY;
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mailbox_send_and_wait(&msg);
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}
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void bridge_main(void)
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{
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struct msg_base *umsg;
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send_ready();
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while(1) {
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umsg = mailbox_wait_and_receive();
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switch(umsg->type) {
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case MESSAGE_TYPE_BRG_TTL_OUT: {
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struct msg_brg_ttl_out *msg;
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msg = (struct msg_brg_ttl_out *)umsg;
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rtio_init();
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rtio_set_oe(rtio_get_counter() + 8000, msg->channel, 1);
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rtio_set_o(rtio_get_counter() + 8000, msg->channel, msg->value);
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mailbox_acknowledge();
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break;
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}
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case MESSAGE_TYPE_BRG_DDS_SEL: {
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struct msg_brg_dds_sel *msg;
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msg = (struct msg_brg_dds_sel *)umsg;
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DDS_WRITE(DDS_GPIO, msg->channel);
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mailbox_acknowledge();
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break;
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}
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case MESSAGE_TYPE_BRG_DDS_RESET: {
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unsigned int g;
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g = DDS_READ(DDS_GPIO);
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DDS_WRITE(DDS_GPIO, g | (1 << 7));
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DDS_WRITE(DDS_GPIO, g);
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mailbox_acknowledge();
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break;
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}
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case MESSAGE_TYPE_BRG_DDS_READ_REQUEST: {
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struct msg_brg_dds_read_request *msg;
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struct msg_brg_dds_read_reply rmsg;
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msg = (struct msg_brg_dds_read_request *)umsg;
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rmsg.type = MESSAGE_TYPE_BRG_DDS_READ_REPLY;
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rmsg.data = DDS_READ(msg->address);
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mailbox_send_and_wait(&rmsg);
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break;
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}
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case MESSAGE_TYPE_BRG_DDS_WRITE: {
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struct msg_brg_dds_write *msg;
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msg = (struct msg_brg_dds_write *)umsg;
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DDS_WRITE(msg->address, msg->data);
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mailbox_acknowledge();
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break;
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}
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case MESSAGE_TYPE_BRG_DDS_FUD:
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rtio_init();
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rtio_fud(rtio_get_counter() + 8000);
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mailbox_acknowledge();
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break;
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default:
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mailbox_acknowledge();
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break;
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}
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}
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}
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