int main(int argc, char *argv[]){
if( argc > 1 ){
sscanf(argv[1], "%i", &frame_time);
}
signal(SIGINT, sigintHandler);
wiringPiSetupGpio();
pinMode(PIN_CS, OUTPUT);
pinMode(PIN_RST, OUTPUT);
pinMode(PIN_A, OUTPUT);
//digitalWrite(PIN_CS, LOW);
memset(buf, 0, BUF_SIZE);
if(wiringPiSPISetup(0, SPI_SPEED_HZ)==-1){
printf("Could not initialize SPI\n");
return;
};
lcd_reset();
lcd_command((unsigned char[8]){
0xA2,
0xA0,
0xC8,
0xA4,
0xA6,
0x2F,
0x60,
0x27
},8);
int main(void){
printf("Prova 1: Semplice LED blinking mediante pulsante SW1 su GPIO4 (wiringPiSetupGpio)\n");
printf("\tGli OUTPUT dei due LED sono GPIO22 e GPIO24, mediante la pressione del pulsante i due LED eseguono un lampeggio alternato\n\n");
wiringPiSetupGpio();
printf("wiringPiSetupGpio()\n");
pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);
pinMode(SW1, INPUT);
printf("Fine Setup\n");
while(1){
digitalWrite(LED1, 0);
digitalWrite(LED2, 0);
if(digitalRead(SW1)!=1){
printf("SW1 Press\n");
digitalWrite(LED1, 1);
digitalWrite(LED2, 0);
delay(250);
digitalWrite(LED1, 0);
digitalWrite(LED2, 1);
delay(250);
}
}
}
/**
* init():
* Setup the pins for wiringPi.
**/
void init(){
/* Initialize the wiringPi library */
wiringPiSetupGpio();
pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);
pinMode(BUT1, INPUT);
}
int
main (int argc, char** argv)
{
int status = wiringPiSetupGpio();
if (status < 0)
{
printf ("Fail to setup wiringPi. Are you root?");
exit(1);
}
pinMode (24,INPUT);
wiringPiISR(24, INT_EDGE_FALLING, irq_handler);
status = wiringPiSPISetup(0,500000);
if (status < 0)
{
printf("Failed to configure SPI");
exit (1);
}
unsigned char buf [256];
pause();
while (1)
{
buf[0] = 0x07;
buf[1] = 0xff;
wiringPiSPIDataRW(0, buf, 2);
printf ("Output %d \n",buf[1]);
delay (1000);
}
}
int main(int argc, char **argv)
{
int g,rep, i;
// Set up gpi pointer for direct register access
wiringPiSetupGpio ();
setup_io();
for (i = 0; i < 28; i++)
{
INP_GPIO(i);
printf("%d", GET_GPIO(i));
}
printf("\n");
//exit(0);
OUT_GPIO(INT); GPIO_SET(INT);
OUT_GPIO(NMI); GPIO_SET(NMI);
OUT_GPIO(CLK); GPIO_SET(CLK);
OUT_GPIO(WAIT); GPIO_SET(WAIT);
OUT_GPIO(BUSRQ); GPIO_SET(BUSRQ);
OUT_GPIO(RESET); GPIO_SET(RESET);
OUT_GPIO(SI); GPIO_SET(SI);
OUT_GPIO(CP); GPIO_SET(CP);
OUT_GPIO(CS_16); GPIO_SET(CS_16);
OUT_GPIO(M);
ResetSimulationVars();
WriteControlPins();
DoReset();
while(1)
loop();
}
static void *disis_gpio_new(t_floatarg f)
{
if (!disis_gpio_isvalidpin((int)f)) return(NULL);
if (geteuid () != 0)
{
post("error: disis_gpio external requires pd-l2ork to be run with root privileges. You can achieve this by doing 'sudo pd-l2ork'. Alternately, if running pd-l2ork remotely via ssh use 'sudo -E pd-l2ork' to preserve the enviroment.") ;
return(NULL);
}
//char buf[FILENAME_MAX];
//canvas_makefilename(glist_getcanvas((t_glist*)canvas_getcurrent()), "@pd_extra/disis_gpio/chown_gpio&", buf, FILENAME_MAX);
//if (system(buf) < 0) { // first to adjust permissions for /sys/class/gpio so that we can export
// post("disis_gpio: failed setting permissions to /sys/class/gpio folder");
// return(NULL);
//}
t_disis_gpio *x = (t_disis_gpio *)pd_new(disis_gpio_class);
x->x_out1 = outlet_new(&x->x_obj, gensym("float"));
x->x_out2 = outlet_new(&x->x_obj, gensym("float"));
x->x_fdvalue = -1;
x->x_pin = f;
x->x_export = 0;
x->x_dir = 0;
x->x_pwm = 0;
x->x_softpwm_thread = -1;
x->x_params.p_pin = &(x->x_pin);
x->x_params.p_val = &(x->x_softpwmval);
x->x_params.p_thread = &(x->x_softpwm_thread);
wiringPiSetupGpio();
//x->x_pwmrange = 0;
//x->x_chown = gensym(buf);
return (x);
}
int main(int argc, char **argv)
{
wiringPiSetupGpio();
pimobileInitializeGpio();
printf("Testing forward movement at full speed\n");
pimobileSetMotorsSpeedAndDirection(100,100,1,1);
sleep(1);
printf("Testing forward movement at 40%% speed\n");
pimobileSetMotorsSpeedAndDirection(40,40,1,1);
sleep(1);
printf("Testing backward movement at full speed\n");
pimobileSetMotorsSpeedAndDirection(100,100,0,0);
sleep(1);
printf("Testing backward movement at 40%% speed\n");
pimobileSetMotorsSpeedAndDirection(40,40,0,0);
sleep(1);
printf("Testing turning and compass. Turning to 0° North\n");
pimobileTurnTo(0);
sleep(1);
printf("Testing turning and compass. Turning to 180° South\n");
pimobileTurnTo(180);
sleep(1);
return 0;
}
/*****************************************
* WiringPi launcher to set PWM *
* based on James Ward PWM settings *
* to work with SSR and Espresso machine *
*****************************************/
int main (int argc, char *argv[])
{
int drive = 0;
int reto = 0;
if(argc != 2)
{
printf("Error: invalid arguments. Usage: sudo pwmlauncher <aaa> where aaa is the drive percent\n");
exit(0);
}
//printf ("Welcome into PWM drive launcher\n") ;
//retrieve argument
drive = atoi(argv[1]);
if(drive > 100)
drive = 100;
printf("drive=%d%\n",drive);
//init wiringpi
if (wiringPiSetupGpio() == -1){
printf("Error inint wiringpi lib\n");
exit (1) ;
}
//PWM mode
pinMode(18,PWM_OUTPUT);
//PWM "predictive mode"
pwmSetMode(PWM_MODE_MS);
//set clock at 2Hz (clock divider / range)
pwmSetClock(PWCLKDIVIDER);
pwmSetRange (PWRANGE) ;
//setting drive according to the RANGE
pwmWrite (18, (drive * (PWRANGE / 100)));
}
int main(void)
{
if(wiringPiSetupGpio() == -1)
return 1;
pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);
pinMode(SW, INPUT);
while(1)
{
digitalWrite(LED1, 0);
digitalWrite(LED2, 0);
if(digitalRead(SW) == 1)
{
digitalWrite(LED1, 1);
digitalWrite(LED2, 1);
delay(1000);
}
}
return 0 ;
}
int main(int argc, char* argv[])
{
// WiringPiを初期化
if( wiringPiSetupGpio() == -1 ){
printf("failed to wiringPiSetupGpio()\n");
return 1;
}
// GPIO_A を出力に設定
pinMode(GPIO_A, OUTPUT);
// GPIO_Bを入力に設定
pinMode(GPIO_B, INPUT);
// EXEC_CNT分処理を繰り返す
int i=0;
while(i<=EXEC_CNT){
// GPIO_Bの状態を読み込み
int val = digitalRead(GPIO_B);
printf("%03d: GPIO_B is %d\n",i,val);
if(val>0){
// GPIO_AをON(Highレベル)にする
digitalWrite(GPIO_A, HIGH);
}else{
// GPIO_AをOFF(Lowレベル)にする。
digitalWrite(GPIO_A, LOW);
}
i++;
usleep(DELAY_USEC);
}
return 0;
}
int main(void)
{
wiringPiSetup(); // Initializes wiringPi using wiringPi's simlified number system.
wiringPiSetupGpio(); // Initializes wiringPi using the Broadcom GPIO pin numbers
pinMode (17, OUTPUT);
pinMode(4, INPUT);
char mychar = 0;
while(mychar==0)
{
if (digitalRead(4))
{
// printf("1\n");
digitalWrite (17, HIGH);
}
else
{
// printf("0\n");
digitalWrite (17, LOW);
}
// usleep(150000);
}
}
/*!
* Initialisation du module
*
*/
void CRaspiGPIO::init(CApplication *application)
{
CModule::init(application);
setGUI(&m_ihm); // indique à la classe de base l'IHM
// Gère les actions sur clic droit sur le panel graphique du module
m_ihm.setContextMenuPolicy(Qt::CustomContextMenu);
connect(&m_ihm, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(onRightClicGUI(QPoint)));
// Restore la taille de la fenêtre
QVariant val;
val = m_application->m_eeprom->read(getName(), "geometry", QRect(50, 50, 150, 150));
m_ihm.setGeometry(val.toRect());
// Restore le fait que la fenêtre est visible ou non
val = m_application->m_eeprom->read(getName(), "visible", QVariant(true));
if (val.toBool()) { m_ihm.show(); }
else { m_ihm.hide(); }
// Restore le niveau d'affichage
val = m_application->m_eeprom->read(getName(), "niveau_trace", QVariant(MSG_TOUS));
setNiveauTrace(val.toUInt());
// Restore la couleur de fond
val = m_application->m_eeprom->read(getName(), "background_color", QVariant(DEFAULT_MODULE_COLOR));
setBackgroundColor(val.value<QColor>());
wiringPiSetupGpio(); // Utilise la numérotation de pin BCM
for (unsigned int i=0; i<MAX_GPIO_COUNT; i++) {
// Recherche dans le fichier EEPROM une configuration de type "gpio_<i>=input pull down"
// gpio_17 = input
QString eeprom_config_name = "gpio_" + QString::number(i);
val = m_application->m_eeprom->read(getName(), eeprom_config_name, QVariant());
if (val != QVariant()) { // le paramètre a été trouvé -> le GPIO est utilisé et doit être configuré
configPinMode(i, val.toString());
}
// Initialise la liste des GPIO dans la liste déroulante de configuration
// on part des contrôles affichés sur l'interface et on récupère les numéros
// Rensigne dans la liste déroulante des GPIO tous les numéros possibles de GPIO
QLabel *lbl = m_ihm.findChild<QLabel*>(PREFIX_MODE_GPIO + QString::number(i)); // "mode_GPIO_<i>" c'est le nom de tous les labels des GPIO sur l'IHM pour indiquer si c'est une entrée / sortie / ...
if (lbl) {
m_ihm.ui.configChoixGPIO->addItem("GPIO " + QString::number(i));
}
// connexion signal/slot avec toutes les checkbox qui permettent d'écrire sur le port
// on repert toutes les checkbox par leur nom "write_GPIO_<i>"
QCheckBox *checkbox = m_ihm.findChild<QCheckBox*>(PREFIX_CHECKBOX_WRITE + QString::number(i));
if (checkbox) {
connect(checkbox, SIGNAL(clicked(bool)), this, SLOT(onWritePinChange(bool)));
}
}
// Renseigne dans la liste déroulante des configurations possibles
QStringList list_modes;
list_modes << "" << "Input" << "Input pull down" << "Input pull up" << "Output" << "PWM Output";
m_ihm.ui.configChoixMode->addItems(list_modes);
connect(m_ihm.ui.configChoixGPIO, SIGNAL(activated(int)), this, SLOT(onChoixConfigGPIO()));
connect(m_ihm.ui.configChoixMode, SIGNAL(activated(QString)), this, SLOT(onChoixConfigMode(QString)));
connect(&m_timer_read, SIGNAL(timeout()), this, SLOT(readAllInputs()));
m_timer_read.start(100);
}
int main(int argc, char* argv[]) {
wiringPiSetupGpio(); // Initialize wiringPi -- using Broadcom pin numbers
pinMode(BCM_FIRST_GATE, INPUT);
pinMode(LED_FIRST_GATE, OUTPUT);
pinMode(BCM_SECOND_GATE, INPUT);
pinMode(LED_SECOND_GATE, OUTPUT);
pinMode(BCM_ULTRASONIC_ECHO, INPUT);
pinMode(BCM_ULTRASONIC_TRIGGER, OUTPUT);
if (wiringPiISR(BCM_FIRST_GATE, INT_EDGE_BOTH, &FIRST_GATE_PASS) < 0) {
printf("Unable to setup ISR (FIRST_GATE) for GPIO %d (%s)\n\n", BCM_FIRST_GATE, strerror(errno));
exit(1);
}
if (wiringPiISR(BCM_SECOND_GATE, INT_EDGE_BOTH, &SECOND_GATE_PASS) < 0) {
printf("Unable to setup ISR (SECOND_GATE) for GPIO %d (%s)\n\n", BCM_SECOND_GATE, strerror(errno));
exit(1);
}
if (wiringPiISR(BCM_ULTRASONIC_ECHO, INT_EDGE_BOTH, &ISR_ECHO) < 0) {
printf("Unable to setup ISR (ULTRASONIC) for GPIO %d (%s)\n\n", BCM_ULTRASONIC_ECHO, strerror(errno));
exit(1);
}
while (true) {
usleep(100);
}
return 0;
}
bool LED::init() {
// GPIO setup
if (wiringPiSetupGpio() == -1) {
fprintf(stderr, "[ERROR] wiringPiSetupGpio() failed\n");
return false;
}
// setup pin mode
pinMode(LED_OUT_A, OUTPUT);
pinMode(LED_OUT_B, OUTPUT);
pinMode(LED_OUT_C, OUTPUT);
pinMode(LED_OUT_1, OUTPUT);
pinMode(LED_OUT_2, OUTPUT);
pinMode(LED_OUT_3, OUTPUT);
pinMode(LED_OUT_4, OUTPUT);
// clear all bit
digitalWrite(LED_OUT_A, 0);
digitalWrite(LED_OUT_B, 0);
digitalWrite(LED_OUT_C, 0);
digitalWrite(LED_OUT_1, 1);
digitalWrite(LED_OUT_2, 1);
digitalWrite(LED_OUT_3, 1);
digitalWrite(LED_OUT_4, 1);
return true;
}
void displayString(){
wiringPiSetupGpio();
int fd = lcdInit(
//LCDCONFIG
//rows
4,
//colums
20,
//bits
4,
//PINLAYOUT
//RS (function select
12,
//strobe, E (Enable Signal
16,
//d0 - d7, the data pints
26,17,21,19,0,0,0,0
//0,0,0,0,5,6,13,19
);
lcdHome(fd);
lcdClear(fd);
lcdPuts(fd, "GORGABAL");
}
void setup (void)
{
int status = wiringPiSetupGpio();
if(status < 0)
{
perror ("Failed to configure GPIO");
exit (1);
}
pinMode (IRQ_PIN, INPUT);
pinMode (CE_PIN, OUTPUT);
status = wiringPiSPISetup (CHANNEL,SPEED);
if (status < 0)
{
perror ("Failed to configure SPI");
exit(1);
}
configure_address();
//TODO dynamic length nrf24l01_set_dynamic_payload_length(0, ENABLE);
configure_isr();
nrf24l01_set_rx_payload_length(1,32);
//nrf24l01_set_en_aa(1,ENABLE);
nrf24l01_set_dynamic_payload_length(1, ENABLE);
nrf24l01_power_up(ENABLE);
nrf24l01_mode(MODE_RX);
printf ("Configured\n");
}
int main(int argc, char* argv[])
{
// WiringPiを初期化
if( wiringPiSetupGpio() == -1 ){
printf("failed to wiringPiSetupGpio()\n");
return 1;
}
// GPIO_A を出力に設定
pinMode(GPIO_A, OUTPUT);
// GPIO_Bを入力に設定
pinMode(GPIO_B, OUTPUT);
struct timeval stNow; // 現時刻取得用
struct timeval stLen; // 任意時間
struct timeval stEnd; // 現時刻から任意時間経過した時刻
timerclear(&stNow);
timerclear(&stLen);
timerclear(&stEnd);
int forward_sec = DEF_FORWARD_SEC;
int backward_sec = DEF_BACKWARD_SEC;
int interval_sec = DEF_INTERVAL_SEC;
int loop_num = DEF_LOOP_NUM;
std::cout << "input forward sec(DEF:" << forward_sec << "):";
{
std::string input;
std::getline( std::cin, input);
if( !input.empty() ){
std::istringstream stream(input);
stream >> forward_sec;
}
}
int wiringSetup ()
{
int i=0;
const char *pins_numbering = getenv ("PINS_NUMBERING");
const char *grovepi = getenv ("GROVE_PI");
int addr_grovepi = -1;
if (pins_numbering != NULL && strncmp (pins_numbering, "GPIO", 5)==0)
{
wiringPiSetupGpio();
}
else
if (pins_numbering != NULL && strncmp (pins_numbering, "PHYSICAL", 9)==0)
{
wiringPiSetupPhys();
}
else
{
wiringPiSetup ();
}
if (grovepi) sscanf (grovepi, "%d", &addr_grovepi);
if (addr_grovepi > -1)
{
grovepiSetup (addr_grovepi, 4);
}
for (i=0; i<MAX_SPI_BUSES; i++) spi_buses[i]=-1;
for (i=0; i<MAX_SERIAL_BUSES; i++) serial_buses[i]=NULL;
i2c_init ();
}
int main(int argc, const char *argv[]) {
unsigned int timeBase = 3000000;
char buffer[10];
char prevLine[10];
if (geteuid() != 0) {
// chown root <file>
// sudo chmod u+s <file>
char *exec = rindex(argv[0], '/');
exec++;
fprintf(stderr, "You must be root to run \"%s\". Program should be suid root. This is an error.\n", exec) ;
return 1;
}
atexit(destroy);
signal(SIGHUP, terminated);
signal(SIGINT, terminated);
signal(SIGKILL, terminated);
signal(SIGPIPE, terminated);
signal(SIGALRM, terminated);
signal(SIGTERM, terminated);
wiringPiSetupGpio();
pinMode(18, PWM_OUTPUT);
pwmSetMode(PWM_MODE_MS);
pwmWrite(18, 0);
char tone[3] = "--";
int octave;
unsigned int duration;
char *line = fgets(buffer, 10, stdin);
assert(line != NULL);
int parsed = sscanf(line, "%c%c%i %i", &tone[0], &tone[1], &octave, &duration);
while (parsed == 4) {
printf("%s%i, 1/%i\n", tone, octave, duration);
fflush(stdout);
int divisor = 1 << (8 - octave - 2);
int toneIndex = 0;
for (toneIndex = 0; toneIndex < 13; toneIndex++) {
if (0 == strncmp(tone, TONE_NAME[toneIndex], 2)) {
break;
}
}
assert(toneIndex < 13);
if (toneIndex < 12) {
float frequency = TONE_HZ[toneIndex] / divisor;
unsigned int range = (unsigned int)(600000.0f / frequency);
pwmSetRange(range);
pwmWrite(18, range >> 1);
usleep(timeBase / duration);
pwmWrite(18, 0);
usleep(20000);
} else {
void initialize()
{
#ifdef USE_WIRING_PI
wiringPiSetupGpio();
#else
std::cout << "wiringPiSetupGpio();" << std::endl;
#endif
}
static foreign_t
pl_wiringPiSetupGpio(){
if(wiringPiSetupGpio() != 0){
printf("\nwiringPiSetup failed\n");
PL_fail;
}
PL_succeed;
}
int main (int argc, char *argv[])
{
unsigned long pulsewidth;
if (wiringPiSetupGpio () == -1)
{
fprintf (stderr, “Can’t initialise wiringPi: %s\n”, strerror (errno)) ;
return 1 ;
}
int main(int argc, char** argv)
{
int pin_value {0};
if (wiringPiSetupGpio() == -1)
{
std::cout << "ERROR" << std::endl;
return -1;
}
pinMode(START_SW_PIN, INPUT);
pin_value = digitalRead(START_SW_PIN);
while(pin_value != 0)
{
pin_value = digitalRead(START_SW_PIN);
}
ros::init(argc, argv, "dcmotor_target_value"); //ノード名の初期化
ros::NodeHandle nh; //ノードハンドル宣言
ros::Publisher dcmotor_command_pub = nh.advertise<rcr2018::DcmCommand>("dcm_command", 1); //パブリッシャの設定
rcr2018::DcmCommand dcm;
ros::Subscriber dcmotor_command_sub {nh.subscribe<rcr2018::TofFront>("tof_front", 1,
std::function<void (const rcr2018::TofFront::ConstPtr&)>
{
[&](const auto& constptr)
{
std::cout << "arg_vel_max:" << arg_vel_max << std::endl;
double target_value {0.0}; //目標値の初期化
if (is_finished) //終了判定
{
target_value = 0.0;
}
else
{
target_value = arg_vel_max * normalize_sig(constptr->front); //目標角速度の決定
// target_value = arg_vel_max * sigmoid(constptr->front); //目標角速度の決定
}
std::cout << "target_value:" << target_value << std::endl;
dcm.cmd_vel = target_value; //目標角速度をメッセージに代入
dcmotor_command_pub.publish(dcm); //パブリッシュ
}
}
)}; //tofサブスクライバの設定
ros::Subscriber line_count_sub {nh.subscribe("line_count", 1, linemsgCallback)}; //linecountサブスクライバの設定
ros::spin();
return EXIT_SUCCESS;
}
int main(void)
{
wiringPiSetup(); // Initializes wiringPi using wiringPi's simlified number system.
wiringPiSetupGpio(); // Initializes wiringPi using the Broadcom GPIO pin numbers
pinMode (17, OUTPUT);
digitalWrite (17, HIGH) ; delay (500) ;
digitalWrite (17, LOW) ; delay (500) ;
}
int main(void){
wiringPiSetupGpio();
int Ran = 0; // Define random variable
pinMode(3, INPUT);
while (1){ // While GPIO is not being read, start looping
++Ran; // Increment variable by one
printf("%d \n", Ran); // Print variable
if (Ran > 6){ // Is variable under 6?...
Ran = 0; // ...if not, reset it to Zero.
}
while (digitalRead(3)){ // While GPIO Pin 3 is HIGH...
if (Ran == 1) { //... Check variable against the following and play a file accordingly.
printf("%d \n", Ran); // Print variable (for debugging)
system("mplayer bass/bass4.wav"); // Call mplayer to play audio file
Ran = 0; // Reset variable to Zero so audio doesn't play again until we reset GPIO
}
if (Ran == 2) {
printf("%d \n", Ran);
system("mplayer bass/bass7.wav");
Ran = 0;
}
if (Ran == 3) {
printf("%d \n", Ran);
system("mplayer bass/bass8.wav");
Ran = 0;
}
if (Ran == 4) {
printf("%d \n", Ran);
system("mplayer bass/bass19.wav");
Ran = 0;
}
if (Ran == 5) {
printf("%d \n", Ran);
system("mplayer bass/bass23.wav");
Ran = 0;
}
if (Ran == 6) {
printf("%d \n", Ran);
system("mplayer bass/bass22.wav");
Ran = 0;
}
}
}
return 0;
}
bool CommandHandler::init()
{
if (wiringPiSetupGpio() == -1)
return false;
pinMode(pin, OUTPUT);
digitalWrite(pin, 1);
digitalWrite(pin, 0);
return true;
}
/* wiringPiSetupGpio
*
* Parameters: None
* Return Type: int
*/
mrb_value
mrb_Pi_wiringPiSetupGpio(mrb_state* mrb, mrb_value self) {
/* Invocation */
int result = wiringPiSetupGpio();
/* Box the return value */
mrb_value return_value = mrb_fixnum_value(result);
return return_value;
}
/** @brief Pin initialisation
*/
void VirtualSPISlaveInit(void){
wiringPiSetupGpio();
pinMode(SLAVE_MOSI, INPUT);
pinMode(SLAVE_MISO, OUTPUT);
pinMode(SLAVE_SCLK, INPUT);
//pinMode(SLAVE_CS, OUTPUT);
wiringPiISR(SLAVE_SCLK, INT_EDGE_FALLING, &SPI_SLAVE_ISR) ;
}
/** @brief VirtualSPIInit
* @param shieldVersion:the configured shield Version
*/
void VirtualSPIInit(uint32_t shieldVersion){
wiringPiSetupGpio();
selectedShieldVersion = shieldVersion;
pinMode(MOSI, OUTPUT);
pinMode(MISO, INPUT);
pinMode(SCLK, OUTPUT);
if (selectedShieldVersion < 4){
pinMode(CS, OUTPUT);
}
delay(30);
}
int main (void)
{
printf ("Raspberry Pi wiringPi GPIO speed test program\n") ;
printf ("=============================================\n") ;
// Start the standard way
printf ("\nNative wiringPi method: (%8d iterations)\n", FAST_COUNT) ;
wiringPiSetup () ;
pinMode (7, OUTPUT) ;
speedTest (7, FAST_COUNT) ;
// GPIO
printf ("\nNative GPIO method: (%8d iterations)\n", FAST_COUNT) ;
wiringPiSetupGpio () ;
pinMode (7, OUTPUT) ;
speedTest (7, FAST_COUNT) ;
// Phys
printf ("\nPhysical pin GPIO method: (%8d iterations)\n", FAST_COUNT) ;
wiringPiSetupPhys () ;
pinMode (7, OUTPUT) ;
speedTest (7, FAST_COUNT) ;
// Switch to SYS mode:
system ("/usr/bin/gpio export 7 out") ;
printf ("\n/sys/class/gpio method: (%8d iterations)\n", SLOW_COUNT) ;
wiringPiSetupSys () ;
speedTest (7, SLOW_COUNT) ;
return 0 ;
}