fix: add reset after flash

README.md

@@ -18,7 +18,13 @@
 
 ```console
 > # Flash firmware.bin to Code FLASH
-> wlink -v flash ./firmware.bin
+> cargo run -- flash ./firmware.bin`
+16:55:56 [INFO] WCH-Link v2.7 (WCH-Link-CH549)
+16:55:56 [INFO] attached chip: CH32V20x(0x20360510)
+16:55:56 [INFO] flash 860 bytes
+16:55:57 [INFO] flash done
+16:55:58 [INFO] now reset...
+16:55:59 [INFO] resume executing...
 
 > # Dump Code FLASH, for verification
 > cargo run -- -v dump 0x08000000 100`
@@ -56,7 +62,7 @@ x5     t0: 0xb4a9b38a
 ....
 
 
-> # Set dpc(pc) to System Flash and Run
+> # Set dpc(pc) to System Flash and Run - Not working :(
 > cargo run -- write-reg 0x7b1 0x1fff8000
 
 ````

src/commands/control.rs

@@ -57,6 +57,8 @@ impl Command for AttachChip {
         vec![0x02]
     }
 }
+
+#[derive(Debug)]
 pub struct AttachChipResponse {
     pub chip_family: RiscvChip,
     pub riscvchip: u8,
@@ -75,12 +77,10 @@ impl Response for AttachChipResponse {
         })
     }
 }
-impl fmt::Debug for AttachChipResponse {
+// For logging
+impl fmt::Display for AttachChipResponse {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("ChipInfo")
-            .field("chip_family", &self.chip_family)
-            .field("chip_type", &format!("{:#010x}", self.chip_type))
-            .finish()
+        write!(f, "{:?}(0x{:08x})", self.chip_family, self.chip_type)
     }
 }
 

src/main.rs

@@ -1,7 +1,7 @@
 use std::{thread::sleep, time::Duration};
 
 use anyhow::Result;
-use wlink::{commands, device::WchLink};
+use wlink::{commands, device::WchLink, regs};
 
 use clap::{Parser, Subcommand};
 
@@ -54,6 +54,8 @@ enum Commands {
     Resume {},
     /// Reset the MCU
     Reset {},
+    /// Debug, check status
+    Status {},
 }
 
 fn main() -> Result<()> {
@@ -122,6 +124,14 @@ fn main() -> Result<()> {
                     log::info!("flash {} bytes", firmware.len());
                     probe.write_flash(&firmware)?;
                     log::info!("flash done");
+
+                    sleep(Duration::from_secs(1));
+
+                    log::info!("now reset...");
+                    probe.send_command(commands::Reset::Quit)?;
+                    sleep(Duration::from_secs(1));
+                    log::info!("resume executing...");
+                    probe.ensure_mcu_resume()?;
                 }
                 Reset {} => {
                     probe.send_command(commands::Reset::Quit)?;
@@ -134,6 +144,10 @@ fn main() -> Result<()> {
                     log::info!("set reg 0x{:04x} to 0x{:08x}", regno, value);
                     probe.write_reg(regno, value)?;
                 }
+                Status {} => {
+                    let dmstatus: regs::Dmstatus = probe.dmi_read()?;
+                    println!("=> {:?}", dmstatus);
+                }
                 _ => todo!(),
             }
         }

src/operations.rs

@@ -22,7 +22,7 @@ impl WchLink {
             log::warn!("chip already attached");
         }
         let chip_info = self.send_command(commands::control::AttachChip)?;
-        log::info!("attached chip: {:?}", chip_info);
+        log::info!("attached chip: {}", chip_info);
 
         let uid = self.send_command(commands::GetChipId)?;
         log::debug!("Chip UID: {uid}");
@@ -275,10 +275,10 @@ impl WchLink {
         let abstractcs = self.dmi_read::<Abstractcs>()?;
         log::debug!("{:?}", abstractcs);
         if abstractcs.busy() {
-            log::info!("absctract command busy");
+            log::error!("absctract command busy");
         }
         if abstractcs.cmderr() == 0b000 {
-            log::info!("abstract command OK");
+            log::trace!("abstract command OK");
         }
 
         let resp = self.send_command(DmiOp::read(0x04))?;
@@ -296,10 +296,10 @@ impl WchLink {
         let abstractcs = self.dmi_read::<Abstractcs>()?;
         log::debug!("{:?}", abstractcs);
         if abstractcs.busy() {
-            log::info!("absctract command busy");
+            log::error!("absctract command busy");
         }
         if abstractcs.cmderr() == 0b000 {
-            log::info!("abstract command OK");
+            log::trace!("abstract command OK");
         }
 
         Ok(())