From ccddbada68cb3daedb67354135a2392751d2e421 Mon Sep 17 00:00:00 2001
From: Per <Per Lindgren>
Date: Tue, 13 Feb 2018 11:42:35 +0100
Subject: [PATCH] example using new "cortex debug" plugin, built in ITM dump,
works with both 16 and 64Mhz (simplified launch script, now builds all
examples)
---
.vscode/launch.json | 43 ++++++++++++---
.vscode/tasks.json | 128 ++------------------------------------------
examples/bare6.rs | 8 +--
3 files changed, 44 insertions(+), 135 deletions(-)
diff --git a/.vscode/launch.json b/.vscode/launch.json
index ec932b9..76129ae 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -355,11 +355,38 @@
"interface/stlink.cfg",
"target/stm32f4x.cfg"
],
- "cwd": "${workspaceRoot}",
+ "postLaunchCommands": [
+ "monitor arm semihosting enable"
+ ],
+ "swoConfig": {
+ "enabled": true,
+ "cpuFrequency": 16000000,
+ "swoFrequency": 2000000,
+ "source": "probe",
+ "decoders": [
+ {
+ "type": "console",
+ "label": "Name",
+ "port": 0
+ }
+ ]
+ },
+ "cwd": "${workspaceRoot}"
+ },
+ {
+ "type": "cortex-debug",
+ "request": "launch",
+ "servertype": "openocd",
+ "name": "c bare6 16Mhz",
+ "executable": "./target/thumbv7em-none-eabihf/debug/examples/bare6",
+ "configFiles": [
+ "interface/stlink.cfg",
+ "target/stm32f4x.cfg"
+ ],
"swoConfig": {
"enabled": true,
"cpuFrequency": 16000000,
- "swoFrequency": 1000000,
+ "swoFrequency": 2000000, // you may try 1000000 if not working
"source": "probe",
"decoders": [
{
@@ -368,26 +395,26 @@
"port": 0
}
]
- }
+ },
+ "cwd": "${workspaceRoot}"
},
{
"type": "cortex-debug",
"request": "launch",
"servertype": "openocd",
- "name": "c bare6",
+ "name": "c bare6 64Mhz",
"executable": "./target/thumbv7em-none-eabihf/debug/examples/bare6",
"configFiles": [
"interface/stlink.cfg",
"target/stm32f4x.cfg"
],
"postLaunchCommands": [
- "monitor tpiu config internal /tmp/itm.log uart off 16000000",
- "monitor itm port 0 on"
+ "monitor reset init"
],
"swoConfig": {
"enabled": true,
- "cpuFrequency": 16000000,
- "swoFrequency": 1000000,
+ "cpuFrequency": 64000000,
+ "swoFrequency": 2000000, // you may try 1000000 if not working
"source": "probe",
"decoders": [
{
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index 5ce0472..83a1f77 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -5,8 +5,8 @@
"tasks": [
{
"type": "shell",
- "label": "xargo build",
- "command": "xargo build",
+ "label": "xargo build --examples",
+ "command": "xargo build --examples",
"problemMatcher": [
"$rustc"
],
@@ -17,128 +17,8 @@
},
{
"type": "shell",
- "label": "xargo build --release",
- "command": "xargo build --release",
- "problemMatcher": [
- "$rustc"
- ],
- "group": {
- "kind": "build",
- "isDefault": true
- }
- },
- {
- "type": "shell",
- "label": "xargo build --example loop",
- "command": "xargo build --example loop",
- "problemMatcher": [
- "$rustc"
- ],
- "group": {
- "kind": "build",
- "isDefault": true
- }
- },
- {
- "type": "shell",
- "label": "xargo build --example gpio",
- "command": "xargo build --example gpio",
- "problemMatcher": [
- "$rustc"
- ],
- "group": {
- "kind": "build",
- "isDefault": true
- }
- },
- {
- "type": "shell",
- "label": "xargo build --example gpio_raw",
- "command": "xargo build --example gpio_raw",
- "problemMatcher": [
- "$rustc"
- ],
- "group": {
- "kind": "build",
- "isDefault": true
- }
- },
- {
- "type": "shell",
- "label": "xargo build --example bare0",
- "command": "xargo build --example bare0",
- "problemMatcher": [
- "$rustc"
- ],
- "group": {
- "kind": "build",
- "isDefault": true
- }
- },
- {
- "type": "shell",
- "label": "xargo build --example bare1",
- "command": "xargo build --example bare1",
- "problemMatcher": [
- "$rustc"
- ],
- "group": {
- "kind": "build",
- "isDefault": true
- }
- },
- {
- "type": "shell",
- "label": "xargo build --example bare2",
- "command": "xargo build --example bare2",
- "problemMatcher": [
- "$rustc"
- ],
- "group": {
- "kind": "build",
- "isDefault": true
- }
- },
- {
- "type": "shell",
- "label": "xargo build --example bare3",
- "command": "xargo build --example bare3",
- "problemMatcher": [
- "$rustc"
- ],
- "group": {
- "kind": "build",
- "isDefault": true
- }
- },
- {
- "type": "shell",
- "label": "xargo build --example bare4",
- "command": "xargo build --example bare4",
- "problemMatcher": [
- "$rustc"
- ],
- "group": {
- "kind": "build",
- "isDefault": true
- }
- },
- {
- "type": "shell",
- "label": "xargo build --example bare5",
- "command": "xargo build --example bare5",
- "problemMatcher": [
- "$rustc"
- ],
- "group": {
- "kind": "build",
- "isDefault": true
- }
- },
- {
- "type": "shell",
- "label": "xargo build --example bare6",
- "command": "xargo build --example bare6",
+ "label": "xargo build --examples --release",
+ "command": "xargo build --examples --release",
"problemMatcher": [
"$rustc"
],
diff --git a/examples/bare6.rs b/examples/bare6.rs
index d855340..851e21f 100644
--- a/examples/bare6.rs
+++ b/examples/bare6.rs
@@ -39,15 +39,17 @@ fn idle(dwt: &mut DWT, rcc: &mut RCC, gpioa: &mut GPIOA) {
// configure PA5 as output, RM0368 8.4.1
gpioa.moder.modify(|_, w| w.moder5().bits(1));
+ // at 16 Mhz, 8000_0000 cycles = 0.5s
+ // at 64 Mhz, 8000_0000 cycles = 0.125s
loop {
ipln!("led on");
// set PA5 high, RM0368 8.4.7
gpioa.bsrr.write(|w| w.bs5().set_bit());
- wait_cycles(dwt, 10_000);
+ wait_cycles(dwt, 8000_000);
- ipln!("idle off");
+ ipln!("led off");
// set PA5 low, RM0368 8.4.7
gpioa.bsrr.write(|w| w.br5().set_bit());
- wait_cycles(dwt, 10_000);
+ wait_cycles(dwt, 8000_000);
}
}
--
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