source code for all my flash stuff, now finally in cvs

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4083 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 138 insertions, 0 deletions

diff --git a/flash/uart_boot/uart_win.c b/flash/uart_boot/uart_win.c
new file mode 100644
index 0000000000..243017ac88
--- /dev/null
+++ b/flash/uart_boot/uart_win.c
@@ -0,0 +1,138 @@
+// UART wrapper implementation for the Win32 platform
+// make a new version of this file for different systems, e.g. Linux
+
+#include <windows.h>
+#include "scalar_types.h" // (U)INT8/16/32
+#include "Uart.h"
+
+// COMx for windows, returns NULL on error
+tUartHandle UartOpen(char* szPortName)
+{
+	HANDLE serial_handle; 
+	DCB  dcb;
+	COMMTIMEOUTS cto = { 0, 0, 0, 0, 0 };
+
+	memset(&dcb,0,sizeof(dcb));
+
+	/* -------------------------------------------------------------------- */
+	// set DCB to configure the serial port
+	dcb.DCBlength       = sizeof(dcb);
+
+	dcb.fOutxCtsFlow    = 0;
+	dcb.fOutxDsrFlow    = 0;
+	dcb.fDtrControl     = DTR_CONTROL_ENABLE; // enable for power
+	dcb.fDsrSensitivity = 0;
+	dcb.fRtsControl     = RTS_CONTROL_ENABLE; // enable for power
+	dcb.fOutX           = 0;
+	dcb.fInX            = 0;
+
+	/* ----------------- misc parameters ----- */
+	dcb.fErrorChar      = 0;
+	dcb.fBinary         = 1;
+	dcb.fNull           = 0;
+	dcb.fAbortOnError   = 0;
+	dcb.wReserved       = 0;
+	dcb.XonLim          = 2;
+	dcb.XoffLim         = 4;
+	dcb.XonChar         = 0x13;
+	dcb.XoffChar        = 0x19;
+	dcb.EvtChar         = 0;
+
+	/* ----------------- defaults ----- */
+	dcb.BaudRate = 4800;
+	dcb.Parity   = NOPARITY;
+	dcb.fParity  = 0;
+	dcb.StopBits = ONESTOPBIT;
+	dcb.ByteSize = 8;
+
+
+	/* -------------------------------------------------------------------- */
+	// opening serial port
+	serial_handle = CreateFile(szPortName, GENERIC_READ | GENERIC_WRITE,
+		0, NULL, OPEN_EXISTING, FILE_FLAG_WRITE_THROUGH, NULL);
+
+	if (serial_handle == INVALID_HANDLE_VALUE)
+	{
+		//printf("Cannot open port \n");
+		return NULL;
+	}
+
+	SetCommMask(serial_handle, 0);
+	SetCommTimeouts(serial_handle, &cto);
+
+	if(!SetCommState(serial_handle, &dcb))
+	{
+		//printf("Error setting up COM params\n");
+		CloseHandle(serial_handle);
+		return NULL;
+	}
+
+	return serial_handle;
+}
+
+// returns true on success, false on error
+bool UartConfig(tUartHandle handle, long lBaudRate, tParity nParity, tStopBits nStopBits, int nByteSize)
+{
+	DCB  dcb;
+	
+	if (!GetCommState (handle, &dcb))
+	{
+		return false;
+	}
+
+	dcb.BaudRate = lBaudRate;
+	dcb.Parity	 = nParity;
+	dcb.StopBits = nStopBits;
+	dcb.ByteSize = nByteSize;
+
+	if(!SetCommState(handle, &dcb))
+	{
+		//DWORD dwErr = GetLastError();
+		//printf("Error %d setting up COM params for baudrate byte\n", dwErr);
+		return false;
+	}
+
+	return true;
+}
+
+// returns how much data was actually transmitted
+long UartWrite(tUartHandle handle, unsigned char* pData, long lSize)
+{
+	BOOL success;
+	DWORD result_nbr;
+
+	success = WriteFile(handle, pData, lSize, &result_nbr, NULL);
+
+	if(!success)
+	{
+		return 0;
+	}
+
+	return result_nbr;
+}
+
+// returns how much data was actually received
+long UartRead(tUartHandle handle, unsigned char* pBuffer, long lSize)
+{
+	BOOL success;
+	DWORD read_nbr;
+
+	success = ReadFile(handle, pBuffer, lSize, &read_nbr, NULL);
+	if(!success)
+	{
+		return 0;
+	}
+
+	return read_nbr;
+}
+
+
+void UartClose(tUartHandle handle)
+{
+	if (handle != NULL)
+	{
+		CloseHandle(handle);
+	}
+
+	return;
+}