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Programmer.c
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Programmer.c
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#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#define FLASH_TRIGGER_WRITEMAINPAGE 0x01 // Magic character to trigger uploading of flash
#define FLASH_TRIGGER_READMAINPAGE 0x02
#define FLASH_TRIGGER_WRITEINFOPAGE 0x11
#define FLASH_TRIGGER_READINFOPAGE 0x12
#define FLASH_TRIGGER_DUMP 0x20
int nupp = 0xff;
int rdismb = 0xff;
char* port;
char* command;
char* filename;
int hex_fd, hex_size;
unsigned char *hex_buffer;
HANDLE serialHandle;
DWORD dwBytesRead = 0;
unsigned char buffer[1024];
int buffersize = 1024;
void usage() {
printf("Uploads .hex file into nRF24LE1 via Arduino\n");
printf("Usage: programmer.exe \\\\.\\COM13 CMD filename.hex [NUPP] [RDISMB]\n");
printf("where CMD is d(dump), w (write)\n");
}
char *get_str(unsigned char *string, int max_len) {
unsigned char buffer[2] = {0};
int pos = 0, buffersize = 1;
DWORD dwBytesRead = 0;
memset(string, 0, max_len);
while (ReadFile(serialHandle, buffer, buffersize, &dwBytesRead, NULL)) {
// printf("%02x ", buffer[0]);
if ((buffer[0] == '\r') || (buffer[0] == '\n')) {
break;
}
if (pos > max_len) {
break;
}
string[pos++] = buffer[0];
}
return string;
}
void print_ch() {
unsigned char buffer[100] = {0};
int buffersize = 100;
DWORD dwBytesRead = 0;
if (ReadFile(serialHandle, buffer, buffersize, &dwBytesRead, NULL)) {
printf(buffer);
}
}
void send_flash_trigger(char trigger) {
WriteFile(serialHandle, &trigger, sizeof(trigger), &dwBytesRead, NULL);
}
void dump() {
send_flash_trigger(FLASH_TRIGGER_DUMP);
while(1) {
get_str(buffer, buffersize);
if (strlen(buffer)) {
printf("%s\n", buffer);
}
if (strcmp(buffer, "DONE") == 0) {
break;
}
}
}
void write_flash() {
send_flash_trigger(FLASH_TRIGGER_WRITEMAINPAGE);
printf("* Wait for READY\n");
// wait for READY
while(1) {
get_str(buffer, buffersize);
if (strlen(buffer)) {
printf("%s\n", buffer);
}
if (strcmp(buffer, "READY") == 0) {
break;
}
}
sprintf(buffer, "GO %d %d\n", nupp, rdismb);
printf("* %s", buffer);
if (!WriteFile(serialHandle, buffer, strlen(buffer), &dwBytesRead, NULL)) {
printf("! Write error\n");
}
printf("* Upload %s\n", filename);
while(1) {
unsigned char ch;
get_str(buffer, buffersize);
if (strlen(buffer)) {
printf("%s\n", buffer);
}
if (strcmp(buffer, "OK") == 0) {
while (read(hex_fd, &ch, 1) > 0) {
WriteFile(serialHandle, &ch, 1, &dwBytesRead, NULL);
if (ch == '\n') {
break;
}
}
}
if (strcmp(buffer, "EOF") == 0) {
break;
}
}
// wait for DONE
while(1) {
get_str(buffer, buffersize);
if (strlen(buffer)) {
printf("%s\n", buffer);
}
if (strcmp(buffer, "DONE") == 0) {
break;
}
}
}
int main(int argc, char *argv[]) {
if ((argc < 3) || (argc > 5)) {
usage();
return -1;
}
port = argv[1];
command = argv[2];
filename = argv[3];
if ((hex_fd = open(filename, O_RDWR | O_TEXT)) == -1) {
printf("! Can't open file %s\n", filename);
return -1;
}
DCB serialParams = { 0 };
serialParams.DCBlength = sizeof(serialParams);
serialHandle = CreateFile(port, GENERIC_READ | GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0);
if (serialHandle == INVALID_HANDLE_VALUE) {
printf("! Can't open port %s\n", port);
return -1;
}
// Set timeouts
COMMTIMEOUTS timeout;
GetCommTimeouts(serialHandle, &timeout);
//timeout.ReadIntervalTimeout = 0;
timeout.ReadTotalTimeoutConstant = 100;
timeout.ReadTotalTimeoutMultiplier = 0;
timeout.WriteTotalTimeoutConstant = 0;
timeout.WriteTotalTimeoutMultiplier = 0;
SetCommTimeouts(serialHandle, &timeout);
// Set baudrate
GetCommState(serialHandle, &serialParams);
serialParams.BaudRate = CBR_57600;
serialParams.ByteSize = 8;
serialParams.StopBits = ONESTOPBIT;
serialParams.Parity = NOPARITY;
serialParams.fDtrControl = DTR_CONTROL_ENABLE;
serialParams.fRtsControl = RTS_CONTROL_ENABLE;
SetCommState(serialHandle, &serialParams);
Sleep(300);//Reset Arduino time
serialParams.fDtrControl = DTR_CONTROL_DISABLE;
serialParams.fRtsControl = RTS_CONTROL_DISABLE;
SetCommState(serialHandle, &serialParams);
SetupComm(serialHandle,50,50);
Sleep(1400);//Arduino Boot time
if (strcmp(command, "d") == 0) {
printf("* Reading ..\n");
dump();
}
else if (strcmp(command, "w") == 0) {
printf("* Flashing %s..\n", filename);
write_flash();
}
CloseHandle(serialHandle);
close(hex_fd);
return 0;
}