#include <stdio.h> #include "kloader.h" #include "mailbox.h" #include "messages.h" #include "bridge_ctl.h" void brg_start(void) { struct msg_base *umsg; kloader_start_bridge(); while(1) { umsg = mailbox_wait_and_receive(); if(umsg->type == MESSAGE_TYPE_BRG_READY) { mailbox_acknowledge(); break; } else { printf("Warning: unexpected message %d from AMP bridge\n", umsg->type); mailbox_acknowledge(); } } } void brg_stop(void) { kloader_stop(); } void brg_ttloe(int n, int value) { struct msg_brg_ttl_out msg; msg.type = MESSAGE_TYPE_BRG_TTL_OE; msg.channel = n; msg.value = value; mailbox_send_and_wait(&msg); } void brg_ttlo(int n, int value) { struct msg_brg_ttl_out msg; msg.type = MESSAGE_TYPE_BRG_TTL_O; msg.channel = n; msg.value = value; mailbox_send_and_wait(&msg); } void brg_ddsinitall(void) { struct msg_base msg; msg.type = MESSAGE_TYPE_BRG_DDS_INITALL; mailbox_send_and_wait(&msg); } void brg_ddssel(int channel) { struct msg_brg_dds_sel msg; msg.type = MESSAGE_TYPE_BRG_DDS_SEL; msg.channel = channel; mailbox_send_and_wait(&msg); } void brg_ddsreset(void) { struct msg_base msg; msg.type = MESSAGE_TYPE_BRG_DDS_RESET; mailbox_send_and_wait(&msg); } unsigned int brg_ddsread(unsigned int address) { struct msg_brg_dds_read_request msg; struct msg_brg_dds_read_reply *rmsg; unsigned int r; msg.type = MESSAGE_TYPE_BRG_DDS_READ_REQUEST; msg.address = address; mailbox_send(&msg); while(1) { rmsg = mailbox_wait_and_receive(); if(rmsg->type == MESSAGE_TYPE_BRG_DDS_READ_REPLY) { r = rmsg->data; mailbox_acknowledge(); return r; } else { printf("Warning: unexpected message %d from AMP bridge\n", rmsg->type); mailbox_acknowledge(); } } } void brg_ddswrite(unsigned int address, unsigned int data) { struct msg_brg_dds_write msg; msg.type = MESSAGE_TYPE_BRG_DDS_WRITE; msg.address = address; msg.data = data; mailbox_send_and_wait(&msg); } void brg_ddsfud(void) { struct msg_base msg; msg.type = MESSAGE_TYPE_BRG_DDS_FUD; mailbox_send_and_wait(&msg); }