/******************************************************************************
* 向下位机烧写固件
******************************************************************************/
private async Task UploadFile(string portName, uint baudRate,
byte[] bin, uint address, uint jumpAddress)
{
/* 获得页的大小 */
uint psize = uint.Parse(cbPSize.SelectedItem as string);
/* 初始化ST boot对象 */
using (var uc = new STBoot()) {
/* 打开设备 */
uc.Open(portName, baudRate);
/* 通信初始化 */
await uc.Initialize();
/* 更新状态栏信息 */
UpdateStatus(false, string.Format("Connected: Ver: {0}, PID: 0x{1:X4}",
uc.Version, uc.ProductID));
/* 延时一会儿，使状态的信息可以被看见 */
await Task.Delay(500);
/* 擦除信息 */
UpdateStatus(false, "Erasing...");
/* 全局擦除是否被勾选 */
if (cbxErase.Checked)
{
await uc.GlobalErase();
}
else
{
/* 擦除操作 */
for (uint i = 0; i < bin.Length; i += psize)
{
/* 擦除页 */
await uc.ErasePage((i + address - 0x08000000) / psize);
/* 更新精度条 */
UpdateProgress((int)i * 100 / bin.Length);
}
}
/* 状态栏显示 编程 提示信息 */
UpdateStatus(false, "Programming...");
/* 创建进度报告对象 */
var p = new Progress <STBootProgress>(UpdateProgress);
/* 写Flash */
await uc.WriteMemory(address, bin, 0, bin.Length, p,
CancellationToken.None);
/* 烧写成功 */
UpdateStatus(false, string.Format("Success: {0} bytes written",
bin.Length));
/* 跳转到用户程序地址! */
await uc.Jump(jumpAddress);
/* 结束通信 */
uc.Close();
}
}
/* upload a binary image to uC */
private async Task UploadFile(string portName, uint baudRate,
byte[] bin, uint address, uint jumpAddress)
{
/* get page size */
uint psize = uint.Parse(cbPSize.SelectedItem as string);
/* create new programming interface object */
using (var uc = new STBoot()) {
/* open device */
uc.Open(portName, baudRate);
/* initialize communication */
await uc.Initialize();
/* update the status */
UpdateStatus(false, string.Format("Connected: Ver: {0}, PID: 0x{1:X4}",
uc.Version, uc.ProductID));
/* give some chance see the message */
await Task.Delay(500);
/* apply new message */
UpdateStatus(false, "Erasing...");
/* checked? */
if (cbxErase.Checked)
{
await uc.GlobalErase();
}
else
{
/* erase operation */
for (uint i = 0; i < bin.Length; i += psize)
{
/* erase page */
await uc.ErasePage((i + address - 0x08000000) / psize);
/* update progress bar */
UpdateProgress((int)i * 100 / bin.Length);
}
}
/* apply new message */
UpdateStatus(false, "Programming...");
/* progress reporter */
var p = new Progress <STBootProgress>(UpdateProgress);
/* write memory */
await uc.WriteMemory(address, bin, 0, bin.Length, p,
CancellationToken.None);
/* update the status */
UpdateStatus(false, string.Format("Success: {0} bytes written",
bin.Length));
/* go! */
await uc.Jump(jumpAddress);
/* end communication */
uc.Close();
}
}
/******************************************************************************
* 跳转至用户代码
******************************************************************************/
private async Task Jump(uint address)
{
/* 初始化ST boot对象 */
using (var uc = new STBoot()) {
/* 打开设备 */
uc.Open(portName, baudRate);
/* 通信初始化 */
await uc.Initialize();
/* 跳转! */
await uc.Jump(address);
/* 结束通信 */
uc.Close();
}
}
/* execute code */
private async Task Jump(uint address)
{
/* create new programming interface object */
using (var uc = new STBoot()) {
/* open device */
uc.Open(portName, baudRate);
/* initialize communication */
await uc.Initialize();
/* go! */
await uc.Jump(address);
/* end communication */
uc.Close();
}
}
/* write clicked */
private async void bWrite_Click(object sender, EventArgs e)
{
/* binary file */
byte[] bin;
/* bootloader class instance */
STBoot stb = new STBoot();
/* disable button */
bWrite.Enabled = false;
/* reset progress */
UpdateProgress(0);
/* reset status bar */
UpdateStatus(false, "");
/* read file */
try {
/* try to open file */
var s = new FileStream(fileName, FileMode.Open,
FileAccess.Read);
/* prepare buffer */
bin = new byte[s.Length];
/* read file contents */
await s.ReadAsync(bin, 0, bin.Length);
/* close file */
s.Close();
/* error during read? */
} catch (Exception) {
/* set message */
UpdateStatus(true, "Error: Unable to read file");
/* restore button operation */
bWrite.Enabled = true;
/* not much to do next */
return;
}
/* perform the operation */
try {
/* open the port */
stb.Open(portName, baudRate);
/* initialize communication */
await stb.Initialize();
/* format message */
var s = string.Format("Connected: Ver: {0}, PID: 0x{1:X4}",
stb.Version, stb.ProductID);
/* prepare message */
UpdateStatus(false, s);
/* accessing flash requires memory erase */
if (cbxFlash.Checked)
{
/* erase all necessary pages */
for (uint i = 0; i < (bin.Length + 255) / 256; i++)
{
await stb.ErasePage(i + page);
}
}
/* progress reporter */
var p = new Progress <STBootProgress>(UpateProgress);
/* write memory */
await stb.WriteMemory(address, bin, 0, bin.Length, p,
CancellationToken.None);
/* set message */
UpdateStatus(false, string.Format("Success: {0} bytes written",
bin.Length));
/* go! */
await stb.Jump(address);
/* catch all the exceptions here */
} catch (Exception ex) {
/* set exception message */
UpdateStatus(true, "Error: " + ex.Message);
/* dispose of port */
} finally {
/* close port */
stb.Close();
/* re-enable button */
bWrite.Enabled = true;
/* set focus */
bWrite.Focus();
}
}