static void getChars(void *user)
{
Uns8 c;
while(1) {
double d = DEFAULT_RX_DELAY;
//
// keep getting chars till we fill the fifo
//
bhmWaitDelay(d);
while (!Rx.full) {
Int32 bytes = readInput(&c, 1);
if (bytes > 0) {
//
// We have got a char, so insert to buffer
//
fifoPush(&Rx, c);
eval_interrupts();
}
bhmWaitDelay(d);
}
if (!Rx.empty) {
eval_interrupts();
}
}
}
void loop() {
while (1) {
while (regs.STATE == RADIO_STATE_STATE_Disabled) {
bhmWaitEvent(txenEventHandle);
}
if (regs.STATE == RADIO_STATE_STATE_TxRu) {
bhmWaitDelay( 90.0 ); // in uS
info("READY EVENT!!!");
stateTransit(READY); // idle state
regs.EVENTS_READY = 1;
ppmWriteNet(ppiNotificationHandle, RADIO_PERIPHERAL_ID);
} else if (regs.STATE == RADIO_STATE_STATE_TxIdle) {
// ?
} else if (regs.STATE == RADIO_STATE_STATE_Tx) {
stateTransit(ADDRESS); // address sent state
regs.EVENTS_ADDRESS = 1;
ppmWriteNet(ppiNotificationHandle, RADIO_PERIPHERAL_ID);
bhmWaitDelay( 20.0 ); // in uS
stateTransit(PAYLOAD); // payload sent state
bhmWaitDelay( 170.0 ); // in uS
regs.EVENTS_PAYLOAD = 1;
ppmWriteNet(ppiNotificationHandle, RADIO_PERIPHERAL_ID);
bhmWaitDelay( 20.0 ); // in uS
stateTransit(END); // end state
regs.EVENTS_END = 1;
ppmWriteNet(ppiNotificationHandle, RADIO_PERIPHERAL_ID);
} else if (regs.STATE == RADIO_STATE_STATE_TxDisable) {
stateTransit(FULLY_DISABLED); // fully disabled state
regs.EVENTS_DISABLED = 1;
ppmWriteNet(ppiNotificationHandle, RADIO_PERIPHERAL_ID);
}
updateIrqLines();
bhmWaitDelay( 1.0 ); // in uS
}
}
static void updateIrqLines() {
if (shouldTriggerIrq == 1) {
shouldTriggerIrq = 0;
info("IRQ ON");
ppmWriteNet(irqHandle, 1);
bhmWaitDelay(10.0);
ppmWriteNet(irqHandle, 0);
info("IRQ OFF");
}
}
int main(int argc, char **argv) {
ppmDocNodeP Root1_node = ppmDocAddSection(0, "Root");
{
ppmDocNodeP doc2_node = ppmDocAddSection(Root1_node, "Description");
ppmDocAddText(doc2_node, "Graphics card");
ppmDocNodeP doc_12_node = ppmDocAddSection(Root1_node, "Licensing");
ppmDocAddText(doc_12_node, "Open Source Apache 2.0");
ppmDocNodeP doc_22_node = ppmDocAddSection(Root1_node, "Limitations");
ppmDocAddText(doc_22_node, "This model has sufficient functionality to allow a Linux Kernel to Boot on the MIPS:MALTA platform. \n\
The VGA peripheral utilises memory mapping.\n\
This requires the use of ICM memory for the frame buffers, which currently may stop its use in SystemC TLM2 platforms.");
ppmDocNodeP doc_32_node = ppmDocAddSection(Root1_node, "Reference");
ppmDocAddText(doc_32_node, "cirrus CL GD 5446.pdf Version 2.0 November 1996");
}
// diagnostic levels > 3 are passed to the semihost library
diagLevel = bhmGetDiagnosticLevel();
if(ImperasTestModeTimeout(&ImperasTestTimeout)) {
bhmCreateThread(ImperasTestModeTimeoutThread, 0, "ImperasTestModeTimeoutThread", &(testStack[TEST_STACK_SIZE]));
}
ISAconfigConnection(ISA_PORT_NAME);
char title[32];
char* titleP = 0;
if (bhmStringAttribute("title", title, sizeof(title))) {
titleP = title;
}
ds = displayInit(titleP);
vs = cirrusInit( VGA_RAM_SIZE, RAM_PORT_NAME, CIRRUS_ID_CLGD5446);
vgaDisplay(vs, ds);
Uns32 delay = 200;
bhmIntegerAttribute(SCAN_DELAY_ATTRIBUTE, &delay);
pciInit();
if (BHM_DIAG_LOW) {
bhmCreateThread(endSimulation, 0, "end", STACK_TOP(endStack));
bhmMessage("I", PREFIX, "Starting. Diagnostic level:%d. Scan delay:%d", diagLevel, delay);
}
while(1) {
bhmWaitDelay(delay);
updateDisplay();
updates++;
}
return 0;
}
//
// The polling process that gets characters
//
void getChars(void *user)
{
while(1) {
double d = DEFAULT_RX_DELAY;
bhmWaitDelay(d);
if (can_receive()) {
Uns8 c;
if (bhmSerRead(channel, &c, 1)) {
bhmTriggerEvent(charReceived);
receiveByte(c);
}
}
}
}
static void ImperasTestModeTimeoutThread(void *user) {
bhmWaitDelay(ImperasTestTimeout*1000000); // timeout in seconds
bhmFinish();
}
