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[ Kristjan Komloši HomePC ]
2017-02-05 19:01:08 +01:00
parent 732776f734
commit fc7aa25c45
2 changed files with 174 additions and 128 deletions
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tinio/a.out
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tinio/old.cpp
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@@ -2,19 +2,19 @@
#include <CyUSBCommon.h>
#include <ctype.h>
#include <libusb.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdint.h>
// Those are flags used for flow control inside the program
uint8_t whichDev=177; // 177 values indicate unset variables.
uint8_t interfaceNum=177;
uint8_t writeFlag=0;
uint8_t readFlag=0;
uint8_t exitFlag=1;
uint8_t pinNumber=177;
uint8_t valueToWrite=177;
uint16_t whichDev = 0;
uint16_t interfaceNum = 0;
uint8_t writeFlag = 0;
uint8_t readFlag = 0;
uint8_t exitFlag = 0;
uint16_t pinNumber = 0;
uint16_t valueToWrite = 0;
// those vars are to be used with locateDevice function
const uint8_t maxDevs = 16; // 16 connected devices should be enough...
const CY_VID_PID deviceVidPid{UINT16(0x04b4),
@@ -25,7 +25,6 @@ CY_DEVICE_INFO deviceInfoList[maxDevs];
// vars for deviceOpen function
CY_HANDLE deviceHandleList[maxDevs];
uint8_t defaultInterfaceNum = 0;
@@ -41,7 +40,7 @@ int verifyArgNum(
int initLib() // initializes the cypress library
{
printf("Initializing library...");
//printf("Initializing library...");
if (CyLibraryInit() != CY_SUCCESS) // if the init procedure fails
{
puts("The library init failed.");
@@ -55,23 +54,27 @@ int initLib() // initializes the cypress library
initLib(); // if the library closed gracefully
// try to reinitialize
}
puts("OK");
//puts("OK");
return 0;
}
void usage() {
puts("Tinio test build 1");
puts("TinI/0 0.1");
puts("Usage:");
//----TODO----//
// add a command that prints a
// usage summary.
puts("tinio <options>");
puts("The supported options are:");
puts("-d<device number> - specifies the desired device - integer 0 to 15");
puts("-i<interface number - specifies the USB interface number - integer 0 to 255");
puts("-s<pin number> - sets the specified pin to the value specified with -v - integer 0 to 11");
puts("-r<pin number> - reads the specified pin's value and prints it to the stdout - integer 0 to 11");
puts("-v<value> - value for -s option - integer 0 to 255");
}
int evalErrors(const CY_RETURN_STATUS error) {
int errCast = int(error);
switch (errCast) { // evaluates the return status of a function
case 0: // everything goes OK
puts("OK");
//puts("OK");
return 0;
break;
case 1: // access denied by the OS
@@ -118,7 +121,7 @@ int evalErrors(const CY_RETURN_STATUS error) {
int locateDevice() // locate the device and verify it's the right one
{
printf("Locating devices...");
//printf("Locating devices...");
try {
CY_RETURN_STATUS retVal;
retVal = CyGetDeviceInfoVidPid(deviceVidPid, deviceNumList, deviceInfoList,
@@ -130,8 +133,6 @@ int locateDevice() // locate the device and verify it's the right one
return r;
}
if (deviceCount > 1) {
puts("More than one device found. The first one will be used unless told "
"otherwise.");
return 0;
}
if (deviceCount == 0) {
@@ -153,9 +154,19 @@ int attachDevices() {
return 0;
}
int setGPIO(int targetPin, uint8_t value) {
int retval = evalErrors(CySetGpioValue(deviceHandleList[whichDev-1], targetPin, value));
return retval;
int setGPIO() {
if(writeFlag==0)
return -1;
int errval = evalErrors(CySetGpioValue(deviceHandleList[whichDev], pinNumber, valueToWrite));
return errval;
}
int readGPIO() {
if(readFlag==0)
return -1;
uint8_t value;
int errval= evalErrors(CyGetGpioValue(deviceHandleList[whichDev], pinNumber, &value));
printf("%i\n", value);
return errval;
}
int isstrdigit(const char *str) {
@@ -167,148 +178,183 @@ int isstrdigit(const char *str) {
return 1;
}
void unknownOptarg(int option, char *argument)
{
printf("Error: Unknown option argument -- \'%s\' at option -%c \n", argument, option);
void unknownOptarg(int option, char *argument) {
printf("Error: Unknown option argument -- \'%s\' at option -%c \n", argument,
option);
}
void pinNum2HiLo(int number)
{
printf("Error: The specified pin number - %i is too high.", number);
void pinNum2HiLo(int number) {
printf("Error: The specified pin number - %i is too high.\n", number);
puts("Pin numbers must be between 0 and 11");
}
void rwConflict()
{
puts("Error: Can't write and read at the same time!");
}
void rwConflict() { puts("Error: Can't write and read at the same time!"); }
void uselessValue()
{
puts("Error: -v option can't be used when reading!");
}
void uselessValue() { puts("Error: -v option can't be used when reading!"); }
void value2Hi(int number)
{
printf("Error: The specified value - %i is too big/small.", number);
void value2Hi(int number) {
printf("Error: The specified value - %i is too big/small.\n", number);
puts("Values must be zero or positive integers, smaller than 255.");
}
void devNum2Hi(int number)
{
printf("Error: The specified device number - %i is bigger than 15 or negative\n", number);
puts("Note: The number of allowed devices can be adjusted by manipulating maxDevs");
void devNum2Hi(int number) {
printf(
"Error: The specified device number - %i is bigger than 15 or negative!\n",
number);
puts("Note: The number of allowed devices can be adjusted by manipulating "
"maxDevs");
puts("variable in the source code.");
}
void intNum2Hi(int number)
{
printf("Error: The specified interface number - %i is too big! \n", number);
puts("Interface numbers must be unsigned 8-bit integers \n (smaller than 256 and bigger or equal than 0).");
}
void test() {
printf("read: %i | write: %i | pinNumber: %i | valueToWrite: %i \n", readFlag, writeFlag, pinNumber, valueToWrite);
printf("read: %i | write: %i | pinNumber: %i | valueToWrite: %i \n", readFlag,
writeFlag, pinNumber, valueToWrite);
printf("whichDev: %i | interfaceNum: %i \n \n", whichDev, interfaceNum);
}
int parseCmdLine(int acount, char **arglist) {
int opt;
opt = getopt(acount, arglist, "d:s:r:v:i:");
while (opt != -1) {
switch (opt) {
case 'd':
if(!isstrdigit(optarg))
{
unknownOptarg(opt, optarg);
}
whichDev = atoi(optarg);
if(whichDev > 15 || whichDev < 0 )
{
devNum2Hi(whichDev);
whichDev=177;
return -1;
}
break;
if (!isstrdigit(optarg)) {
unknownOptarg(opt, optarg);
}
whichDev = atoi(optarg);
if (whichDev > 15 || whichDev < 0) {
devNum2Hi(whichDev);
whichDev = 0;
exitFlag = 1;
return -1;
}
break;
case 's':
if(!isstrdigit(optarg))
{
unknownOptarg(opt, optarg);
return -1;
}
pinNumber=atoi(optarg);
if(pinNumber > 11) {
pinNum2HiLo(pinNumber);
pinNumber=177;
return -1;
}
if(readFlag == 1){
rwConflict();
pinNumber=177;
return -1;
}
writeFlag=1;
readFlag=0;
break;
if (!isstrdigit(optarg)) {
unknownOptarg(opt, optarg);
exitFlag = 1;
return -1;
}
pinNumber = atoi(optarg);
if (pinNumber > 11 || pinNumber < 0) {
pinNum2HiLo(pinNumber);
pinNumber = 0;
exitFlag = 1;
return -1;
}
if (readFlag == 1) {
rwConflict();
pinNumber = 0;
exitFlag = 1;
return -1;
}
writeFlag = 1;
readFlag = 0;
break;
case 'r':
if(!isstrdigit(optarg))
{
unknownOptarg(opt, optarg);
return -1;
}
pinNumber=atoi(optarg);
if(pinNumber > 11) {
pinNum2HiLo(pinNumber);
pinNumber=177;
return -1;
}
if(writeFlag == 1){
rwConflict();
pinNumber=177;
return -1;
}
readFlag=1;
writeFlag=0;
break;
if (!isstrdigit(optarg)) {
unknownOptarg(opt, optarg);
exitFlag = 1;
return -1;
}
pinNumber = atoi(optarg);
if (pinNumber > 11 || pinNumber < 0) {
pinNum2HiLo(pinNumber);
exitFlag = 1;
pinNumber = 0;
return -1;
}
if (writeFlag == 1) {
rwConflict();
pinNumber = 0;
return -1;
}
readFlag = 1;
writeFlag = 0;
break;
case 'i':
if(!isstrdigit(optarg))
{
unknownOptarg(opt, optarg);
return -1;
}
interfaceNum=atoi(optarg);
break;
if (!isstrdigit(optarg)) {
unknownOptarg(opt, optarg);
exitFlag = 1;
return -1;
}
interfaceNum = atoi(optarg);
if(interfaceNum >255 || interfaceNum < 0)
{
intNum2Hi(interfaceNum);
exitFlag=1;
interfaceNum=0;
return -1;
}
break;
case 'v':
if(!isstrdigit(optarg))
{
unknownOptarg(opt, optarg);
valueToWrite=177;
writeFlag=0;
return -1;
}
if(readFlag==1)
{
uselessValue();
valueToWrite=177;
writeFlag=0;
return -1;
}
valueToWrite=atoi(optarg);
if(valueToWrite > 255 || valueToWrite < 0)
{
value2Hi(valueToWrite);
valueToWrite=177;
writeFlag=0;
return -1;
}
if (!isstrdigit(optarg)) {
unknownOptarg(opt, optarg);
valueToWrite = 0;
exitFlag = 1;
writeFlag = 0;
return -1;
}
if (readFlag == 1) {
uselessValue();
valueToWrite = 0;
exitFlag = 1;
writeFlag = 0;
return -1;
}
valueToWrite = atoi(optarg);
if (valueToWrite > 255 || valueToWrite < 0) {
value2Hi(valueToWrite);
valueToWrite = 0;
writeFlag = 0;
exitFlag = 1;
return -1;
}
}
opt = getopt(acount, arglist, "d:s:r:v:i:");
}
return 0;
}
int exitOnError()
{
if(exitFlag==1)
{
puts("Exiting");
exit(-1);
return -1;
}
if((writeFlag | readFlag) == 0)
{
usage();
exit(-1);
return -1;
}
return 0;
}
int main(int argc, char **argv) {
parseCmdLine(argc, argv);
//test();
exitOnError();
initLib();
locateDevice();
attachDevices();
parseCmdLine(argc, argv);
test();
setGPIO();
readGPIO();
return 0;
}