/**
* Selects the specified analog input, automatically handling any multiplexing and timing needs.
*
* @param input Analog_Input_t* The analog input to select.
* @retval none
*/
void SelectAnalogInput(Analog_Input_t* input) {
if (input != NULL ) {
if (isExternalInput(input->physicalInput)) {
SelectExternalInput(input->externalInput);
CurrentInput = input;
} else if (isInternalInput(input->physicalInput)) {
SelectInternalInput(input->internalInput);
CurrentInput = input;
} else if (input->physicalInput == EXTERNAL_OFFSET_CAL) {
SelectCalibrationInput();
CurrentInput = input;
} else {
/* ERROR */
snprintf(TOSTRING_BUFFER, sizeof(TOSTRING_BUFFER),
"[Analog Input Multiplexer] Attempted to select an input which does not exist.");
TelnetWriteErrorMessage(TOSTRING_BUFFER);
#ifdef INPUT_MULTIPLEXER_DEBUG
printf("[Analog Input Multiplexer] Attempted to select an input which does not exist.\n\r");
#endif
}
} else {
#ifdef INPUT_MULTIPLEXER_DEBUG
printf("[Analog Input Multiplexer] Attempted to select a NULL input.\n\r");
#endif
}
}
/**
* Removes a digital input structure from the board's list by specifying its physical input channel.
*
* @param id uint8_t The physical channel to remove, if present.
* @retval none
*/
static void RemoveDigitalInputByID(uint8_t id) {
if (isExternalInput(id)) {
InitializeInput(&Ext_DInputs[id]);
} else {
/* This is out of range */
#ifdef DIGITALINPUT_DEBUG
printf("[Digital Input] Cannot find the requested digital input. Input does not exist on the board.\n\r");
#endif
}
}
/**
* Retrieve a digital input structure by specifying the physical input channel.
*
* @param number uint8_t The physical input channel to retrieve.
* @retval Digital_Input_t* Pointer to the digital input structure.
*/
Digital_Input_t* GetDigitalInputByNumber(uint8_t number) {
if (isExternalInput(number)) {
return &Ext_DInputs[number];
} else {
/* This is out of range */
#ifdef DIGITALINPUT_DEBUG
printf("[Digital Input] Cannot find the requested digital input. Input does not exist on the board.\n\r");
#endif
return NULL ;
}
}
/**
* Removes a digital input from the board's list based on the supplied parameters.
*
* @param keys char** Array of strings containing the command line keys. Indexed with values.
* @param values char** Array of strings containing the command line values. Indexed with keys.
* @param count uint8_t The number of parameters passed on the command line.
* @retval Tekdaqc_Function_Error_t The error status code.
*/
Tekdaqc_Function_Error_t RemoveDigitalInput(char keys[][MAX_COMMANDPART_LENGTH], char values[][MAX_COMMANDPART_LENGTH], int count) {
Tekdaqc_Function_Error_t retval = ERR_FUNCTION_OK;
char* param;
int8_t index = -1;
for (uint_fast8_t i = 0U; i < NUM_REMOVE_DIGITAL_INPUT_PARAMS; ++i) {
index = GetIndexOfArgument(keys, REMOVE_DIGITAL_INPUT_PARAMS[i], count);
if (index >= 0) { /* We found the key in the list */
param = values[index]; /* We use the discovered index for this key */
switch (i) { /* Switch on the key not position in arguments list */
case 0U: { /* INPUT key */
char* testPtr = NULL;
uint8_t in = (uint8_t) strtol(param, &testPtr, 10);
if (testPtr == param) {
retval = ERR_DIN_PARSE_ERROR;
} else {
if (isExternalInput(in)) {
/* A valid input number */
RemoveDigitalInputByID(in);
} else {
/* Input number out of range */
#ifdef DIGITALINPUT_DEBUG
printf("[Digital Input] The requested input number is invalid.\n\r");
#endif
retval = ERR_DIN_INPUT_OUTOFRANGE;
}
}
break;
}
default:
retval = ERR_DIN_PARSE_ERROR;
}
} else {
/* Somehow an error happened */
#ifdef DIGITALINPUT_DEBUG
printf("[Digital Input] Unable to locate required key: %s\n\r", REMOVE_DIGITAL_INPUT_PARAMS[i]);
#endif
retval = ERR_DIN_PARSE_MISSING_KEY; /* Failed to locate a key */
}
}
return retval;
}
/**
* Looks up the corresponding ExternalMuxedInput_t for the specified input number.
*
* @param input uint8_t The input number to lookup.
* @retval ExternalMuxInput_t The lookup value.
*/
ExternalMuxedInput_t GetExternalMuxedInputByNumber(uint8_t input) {
ExternalMuxedInput_t in = NULL_CHANNEL;
if (isExternalInput(input)) {
switch (input) {
case 0:
in = EXTERN_0;
break;
case 1:
in = EXTERN_1;
break;
case 2:
in = EXTERN_2;
break;
case 3:
in = EXTERN_3;
break;
case 4:
in = EXTERN_4;
break;
case 5:
in = EXTERN_5;
break;
case 6:
in = EXTERN_6;
break;
case 7:
in = EXTERN_7;
break;
case 8:
in = EXTERN_8;
break;
case 9:
in = EXTERN_9;
break;
case 10:
in = EXTERN_10;
break;
case 11:
in = EXTERN_11;
break;
case 12:
in = EXTERN_12;
break;
case 13:
in = EXTERN_13;
break;
case 14:
in = EXTERN_14;
break;
case 15:
in = EXTERN_15;
break;
case 16:
in = EXTERN_16;
break;
case 17:
in = EXTERN_17;
break;
case 18:
in = EXTERN_18;
break;
case 19:
in = EXTERN_19;
break;
case 20:
in = EXTERN_20;
break;
case 21:
in = EXTERN_21;
break;
case 22:
in = EXTERN_22;
break;
case 23:
in = EXTERN_23;
break;
case 24:
in = EXTERN_24;
break;
case 25:
in = EXTERN_25;
break;
case 26:
in = EXTERN_26;
break;
case 27:
in = EXTERN_27;
break;
case 28:
in = EXTERN_28;
break;
case 29:
in = EXTERN_29;
break;
case 30:
in = EXTERN_30;
break;
case 31:
in = EXTERN_31;
break;
default:
/* Do nothing */
break;
}
}
return in;
}