Moved a new version of osint_mingw.c from the propeller-load project but still needs serial_baud() function to work.
Started adding some better comments in ploader.c.
This commit is contained in:
parent
808ba62a7b
commit
bfd131d38b
|
@ -464,7 +464,7 @@ void hwreset(void)
|
||||||
assert_reset();
|
assert_reset();
|
||||||
msleep(10);
|
msleep(10);
|
||||||
deassert_reset();
|
deassert_reset();
|
||||||
msleep(90);
|
msleep(100);
|
||||||
tcflush(hSerial, TCIFLUSH);
|
tcflush(hSerial, TCIFLUSH);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
99
osint_mingw.c
Executable file → Normal file
99
osint_mingw.c
Executable file → Normal file
|
@ -38,17 +38,25 @@ static COMMTIMEOUTS timeouts;
|
||||||
|
|
||||||
static void ShowLastError(void);
|
static void ShowLastError(void);
|
||||||
|
|
||||||
/* normally we use DTR for reset but setting this variable to non-zero will use RTS instead */
|
/* Normally we use DTR for reset */
|
||||||
static int use_rts_for_reset = 0;
|
static reset_method_t reset_method = RESET_WITH_DTR;
|
||||||
|
|
||||||
void serial_use_rts_for_reset(int use_rts)
|
int use_reset_method(char* method)
|
||||||
{
|
{
|
||||||
use_rts_for_reset = use_rts;
|
if (strcasecmp(method, "dtr") == 0)
|
||||||
|
reset_method = RESET_WITH_DTR;
|
||||||
|
else if (strcasecmp(method, "rts") == 0)
|
||||||
|
reset_method = RESET_WITH_RTS;
|
||||||
|
else {
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
int serial_init(const char *port, unsigned long baud)
|
int serial_init(const char *port, unsigned long baud)
|
||||||
{
|
{
|
||||||
char fullPort[20];
|
char fullPort[20];
|
||||||
|
DCB state;
|
||||||
|
|
||||||
sprintf(fullPort, "\\\\.\\%s", port);
|
sprintf(fullPort, "\\\\.\\%s", port);
|
||||||
|
|
||||||
|
@ -64,46 +72,6 @@ int serial_init(const char *port, unsigned long baud)
|
||||||
if (hSerial == INVALID_HANDLE_VALUE)
|
if (hSerial == INVALID_HANDLE_VALUE)
|
||||||
return FALSE;
|
return FALSE;
|
||||||
|
|
||||||
/* Set the baud rate. Always succeeds with mingw. */
|
|
||||||
if (!serial_baud(baud)) {
|
|
||||||
serial_done();
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
GetCommTimeouts(hSerial, &original_timeouts);
|
|
||||||
timeouts = original_timeouts;
|
|
||||||
timeouts.ReadIntervalTimeout = MAXDWORD;
|
|
||||||
timeouts.ReadTotalTimeoutMultiplier = MAXDWORD;
|
|
||||||
timeouts.WriteTotalTimeoutConstant = 1;
|
|
||||||
timeouts.WriteTotalTimeoutMultiplier = 1;
|
|
||||||
|
|
||||||
/* setup device buffers */
|
|
||||||
SetupComm(hSerial, 10000, 10000);
|
|
||||||
|
|
||||||
/* purge any information in the buffer */
|
|
||||||
PurgeComm(hSerial, PURGE_TXABORT | PURGE_RXABORT | PURGE_TXCLEAR | PURGE_RXCLEAR);
|
|
||||||
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
void serial_done(void)
|
|
||||||
{
|
|
||||||
if (hSerial != INVALID_HANDLE_VALUE) {
|
|
||||||
FlushFileBuffers(hSerial);
|
|
||||||
CloseHandle(hSerial);
|
|
||||||
hSerial = INVALID_HANDLE_VALUE;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* change the baud rate of the serial port
|
|
||||||
* @param baud - baud rate
|
|
||||||
* @returns 1 for success and 0 for failure
|
|
||||||
*/
|
|
||||||
int serial_baud(unsigned long baud)
|
|
||||||
{
|
|
||||||
DCB state;
|
|
||||||
GetCommState(hSerial, &state);
|
GetCommState(hSerial, &state);
|
||||||
switch (baud) {
|
switch (baud) {
|
||||||
case 9600:
|
case 9600:
|
||||||
|
@ -122,13 +90,8 @@ int serial_baud(unsigned long baud)
|
||||||
state.BaudRate = CBR_115200;
|
state.BaudRate = CBR_115200;
|
||||||
break;
|
break;
|
||||||
default:
|
default:
|
||||||
printf("Unsupported baudrate. Use ");
|
return FALSE;
|
||||||
printf("115200, 57600, 38400, 19200, or 9600\n");
|
|
||||||
printf("Setting default 115200\n");
|
|
||||||
state.BaudRate = CBR_115200;
|
|
||||||
break;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
state.ByteSize = 8;
|
state.ByteSize = 8;
|
||||||
state.Parity = NOPARITY;
|
state.Parity = NOPARITY;
|
||||||
state.StopBits = ONESTOPBIT;
|
state.StopBits = ONESTOPBIT;
|
||||||
|
@ -146,7 +109,27 @@ int serial_baud(unsigned long baud)
|
||||||
state.fAbortOnError = FALSE;
|
state.fAbortOnError = FALSE;
|
||||||
SetCommState(hSerial, &state);
|
SetCommState(hSerial, &state);
|
||||||
|
|
||||||
return 1;
|
GetCommTimeouts(hSerial, &original_timeouts);
|
||||||
|
timeouts = original_timeouts;
|
||||||
|
timeouts.ReadIntervalTimeout = MAXDWORD;
|
||||||
|
timeouts.ReadTotalTimeoutMultiplier = MAXDWORD;
|
||||||
|
|
||||||
|
/* setup device buffers */
|
||||||
|
SetupComm(hSerial, 10000, 10000);
|
||||||
|
|
||||||
|
/* purge any information in the buffer */
|
||||||
|
PurgeComm(hSerial, PURGE_TXABORT | PURGE_RXABORT | PURGE_TXCLEAR | PURGE_RXCLEAR);
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
void serial_done(void)
|
||||||
|
{
|
||||||
|
if (hSerial != INVALID_HANDLE_VALUE) {
|
||||||
|
FlushFileBuffers(hSerial);
|
||||||
|
CloseHandle(hSerial);
|
||||||
|
hSerial = INVALID_HANDLE_VALUE;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
@ -210,11 +193,9 @@ int rx_timeout(uint8_t* buff, int n, int timeout)
|
||||||
*/
|
*/
|
||||||
void hwreset(void)
|
void hwreset(void)
|
||||||
{
|
{
|
||||||
// reset then purge port
|
EscapeCommFunction(hSerial, reset_method == RESET_WITH_RTS ? SETRTS : SETDTR);
|
||||||
EscapeCommFunction(hSerial, use_rts_for_reset ? SETRTS : SETDTR);
|
|
||||||
Sleep(25);
|
Sleep(25);
|
||||||
PurgeComm(hSerial, PURGE_TXABORT | PURGE_RXABORT | PURGE_TXCLEAR | PURGE_RXCLEAR);
|
EscapeCommFunction(hSerial, reset_method == RESET_WITH_RTS ? CLRRTS : CLRDTR);
|
||||||
EscapeCommFunction(hSerial, use_rts_for_reset ? CLRRTS : CLRDTR);
|
|
||||||
Sleep(90);
|
Sleep(90);
|
||||||
// Purge here after reset helps to get rid of buffered data.
|
// Purge here after reset helps to get rid of buffered data.
|
||||||
PurgeComm(hSerial, PURGE_TXABORT | PURGE_RXABORT | PURGE_TXCLEAR | PURGE_RXCLEAR);
|
PurgeComm(hSerial, PURGE_TXABORT | PURGE_RXABORT | PURGE_TXCLEAR | PURGE_RXCLEAR);
|
||||||
|
@ -295,7 +276,6 @@ void terminal_mode(int check_for_exit, int pst_mode)
|
||||||
putchar(EXIT_CHAR);
|
putchar(EXIT_CHAR);
|
||||||
putchar(buf[0]);
|
putchar(buf[0]);
|
||||||
fflush(stdout);
|
fflush(stdout);
|
||||||
//sawexit_char = 0;
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
else if (check_for_exit && buf[0] == EXIT_CHAR) {
|
else if (check_for_exit && buf[0] == EXIT_CHAR) {
|
||||||
|
@ -312,6 +292,13 @@ void terminal_mode(int check_for_exit, int pst_mode)
|
||||||
if ((buf[0] = getch()) == ESC)
|
if ((buf[0] = getch()) == ESC)
|
||||||
break;
|
break;
|
||||||
tx(buf, 1);
|
tx(buf, 1);
|
||||||
|
/* this should be handled by the library */
|
||||||
|
#if 0
|
||||||
|
if(buf[0] == '\r') {
|
||||||
|
buf[0] = '\n';
|
||||||
|
tx(buf, 1);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
18
ploader.c
18
ploader.c
|
@ -54,6 +54,12 @@ int PL_LoadSpinBinary(PL_state *state, int loadType, uint8_t *image, int size)
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/* wait for eeprom programming and verification */
|
||||||
|
if (loadType == LOAD_TYPE_EEPROM || loadType == LOAD_TYPE_EEPROM_RUN) {
|
||||||
|
/* BUG: need to add handling of ACK/NAK from EEPROM programming */
|
||||||
|
/* BUG: need to add handling of ACK/NAK from EEPROM verification */
|
||||||
|
}
|
||||||
|
|
||||||
return retries >= 0 ? 0 : -1;
|
return retries >= 0 ? 0 : -1;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -76,19 +82,25 @@ int PL_HardwareFound(PL_state *state, int *pVersion)
|
||||||
/* initialize the serial buffers */
|
/* initialize the serial buffers */
|
||||||
SerialInit(state);
|
SerialInit(state);
|
||||||
|
|
||||||
/* reset the propeller */
|
/* reset the propeller (includes post-reset delay of 100ms) */
|
||||||
(*state->serial->reset)(state->serialData);
|
(*state->serial->reset)(state->serialData);
|
||||||
|
|
||||||
/* send the connect string + blanks for echoes */
|
/* transmit the calibration pulses */
|
||||||
TByte(state, 0xf9);
|
TByte(state, 0xf9);
|
||||||
|
|
||||||
|
/* transmit the handshake pattern */
|
||||||
state->lfsr = 'P';
|
state->lfsr = 'P';
|
||||||
for (i = 0; i < 250; ++i)
|
for (i = 0; i < 250; ++i)
|
||||||
TByte(state, IterateLFSR(state) | 0xfe);
|
TByte(state, IterateLFSR(state) | 0xfe);
|
||||||
|
|
||||||
|
/* transmit calibration pulses to clock out the connection response and the version byte */
|
||||||
for (i = 0; i < 250 + 8; ++i)
|
for (i = 0; i < 250 + 8; ++i)
|
||||||
TByte(state, 0xf9);
|
TByte(state, 0xf9);
|
||||||
|
|
||||||
|
/* flush the transmit buffer */
|
||||||
TComm(state);
|
TComm(state);
|
||||||
|
|
||||||
/* receive the connect string */
|
/* receive the connection response */
|
||||||
for (i = 0; i < 250; ++i)
|
for (i = 0; i < 250; ++i)
|
||||||
if (RBit(state, 100) != IterateLFSR(state))
|
if (RBit(state, 100) != IterateLFSR(state))
|
||||||
return FALSE;
|
return FALSE;
|
||||||
|
|
Loading…
Reference in New Issue
Block a user