static void wait_handler(void *arg, errval_t err, struct bulk_channel *chan)
{
if (!err_is_ok(err)) {
err_print_calltrace(err);
}
expect_success(err);
wait_flag = 1;
}
int main(int argc, char *argv[])
{
BLINK_PRINT(("%s, pid: %u\r\n", disp_name(), disp_get_domain_id()));
uint32_t blink_rate = (argc > 1) ? atoi(argv[1]) : 1;
uint32_t no_of_blinks = (argc > 2) ? atoi(argv[2]) : 10;
delayus_t delay = 1000.0/(float)blink_rate;
errval_t err;
struct capref retcap;
size_t retlen;
err = aos_rpc_get_dev_cap(&local_rpc, OMAP44XX_MAP_L4_PER_UART3,
OMAP44XX_MAP_L4_PER_UART3_SIZE, &retcap, &retlen);
if (err_is_fail(err)) {
debug_printf("Failed to get IO Cap from init... %s\n");
err_print_calltrace(err);
abort();
}
BLINK_PRINT("dev cap received, dev mapped. OK\r\n");
size_t offset = GPIO1_BASE - 0x40000000;
lvaddr_t uart_addr = (1UL << 28)*3;
err = paging_map_user_device(get_current_paging_state(), uart_addr,
retcap, offset, OMAP44XX_MAP_L4_PER_UART3_SIZE,
VREGION_FLAGS_READ_WRITE_NOCACHE);
set_gpio1_registers(uart_addr);
BLINK_PRINT("user device registers set. OK\r\n");
err = periodic_event_create(&pe, get_default_waitset(), delay,
MKCLOSURE((void *) blink_led, NULL));
if (err_is_fail(err)) {
DEBUG_ERR(err, "failed to register periodic event!\n");
err_print_calltrace(err);
} else {
BLINK_PRINT("periodic event registered.\r\n");
}
for(uint32_t i = 0; i < no_of_blinks; i++) {
err = event_dispatch(get_default_waitset());
if (err_is_fail(err)) {
DEBUG_ERR(err, "failed to dispatch event\n");
err_print_calltrace(err);
}
}
err = periodic_event_cancel(&pe);
if(err_is_fail(err)){
err_print_calltrace(err);
abort();
}
BLINK_PRINT("blink exiting\n");
err = aos_rpc_send_string(&local_rpc, "bye");
if (err_is_fail(err)) {
DEBUG_ERR(err, "fail to say bye\n");
err_print_calltrace(err);
}
return 0;
}
