cxp upconn fw: add trigger packet tester

src/libboard_artiq/src/cxp_upconn.rs

@@ -3,6 +3,41 @@ use libboard_zynq::{println, timer::GlobalTimer};
 
 use crate::pl::csr;
 
+pub fn trigger_test(timer: &mut GlobalTimer) {
+    const LEN: usize = 4 * 8;
+    let mut pak_arr: [u8; LEN] = [0; LEN];
+
+    unsafe {
+        csr::cxp::trig_trig_delay_write(0x05);
+        csr::cxp::trig_linktrigger_write(0x05); // mode 0
+        csr::cxp::trig_stb_write(1); // send trig 
+        timer.delay_us(1);
+
+        let mut i: usize = 0;
+        while csr::cxp::trig_dout_valid_read() == 1 {
+            pak_arr[i] = csr::cxp::trig_dout_pak_read();
+            // println!("received {:#04X}", pak_arr[i]);
+            csr::cxp::trig_inc_write(1);
+            i += 1;
+        }
+
+        println!("trigger packet");
+        println!("arr = [");
+        for i in 0..(LEN / 4) {
+            println!(
+                "{:#03}     {:#04X} {:#04X} {:#04X} {:#04X},",
+                i + 1,
+                pak_arr[i * 4],
+                pak_arr[i * 4 + 1],
+                pak_arr[i * 4 + 2],
+                pak_arr[i * 4 + 3]
+            )
+        }
+        println!("]");
+        println!("============================================");
+    }
+}
+
 pub fn trigger_ack_test(timer: &mut GlobalTimer) {
     const LEN: usize = 4 * 8;
     let mut pak_arr: [u8; LEN] = [0; LEN];
@@ -18,6 +53,7 @@ pub fn trigger_ack_test(timer: &mut GlobalTimer) {
             i += 1;
         }
 
+        println!("trigger ack packet");
         println!("arr = [");
         for i in 0..(LEN / 4) {
             println!(
@@ -66,6 +102,7 @@ pub fn pipeline_test(timer: &mut GlobalTimer) {
             i += 1;
         }
 
+        println!("data packet");
         println!("arr = [");
         for i in 0..(LEN / 4) {
             println!(