int main(int argc, char *argv[])
{
pid_t pid;
/* do some ready work before start the distributed system */
GetReady();
if ((pid = fork()) < 0)
{
printf("fork error\n");
}
else if(pid == 0)
{
int i;
/* storage process */
InitStorage();
ExitSys();
printf("storage process finished.\n");
}
else
{
/* transaction process */
InitTransaction();
dataLoading();
/* wait other slave nodes until all of them have loaded data. */
WaitDataReady();
/* begin run the benchmark. */
RunTerminals(THREADNUM);
printf("transaction process finished.\n");
}
return 0;
}
boolean Adafruit_STMPE610::begin() {
// hardware SPI
InitTransaction();
// SPI = mraa_spi_init(0); // which buss? will experment here...
SPI = mraa_spi_init_software_cs(0); // which buss? will experment here...
mraa_spi_frequency(SPI, 1000000);
mraa_spi_lsbmode(SPI, false);
mraa_spi_mode(SPI, MRAA_SPI_MODE0);
m_spiMode = MRAA_SPI_MODE0;
_gpioCS = mraa_gpio_init(_cs);
mraa_gpio_dir(_gpioCS, MRAA_GPIO_OUT);
CSHigh();
mraa_spi_write(SPI, 0x00);
// try mode0
if (getVersion() != 0x811) {
//Serial.println("try MODE1");
mraa_spi_frequency(SPI, 1000000);
mraa_spi_lsbmode(SPI, false);
mraa_spi_mode(SPI, MRAA_SPI_MODE1);
m_spiMode = MRAA_SPI_MODE1;
if (getVersion() != 0x811) {
return false;
}
}
writeRegister8(STMPE_SYS_CTRL1, STMPE_SYS_CTRL1_RESET);
delay(10);
for (uint8_t i=0; i<65; i++) {
readRegister8(i);
}
writeRegister8(STMPE_SYS_CTRL2, 0x0); // turn on clocks!
writeRegister8(STMPE_TSC_CTRL, STMPE_TSC_CTRL_XYZ | STMPE_TSC_CTRL_EN); // XYZ and enable!
//Serial.println(readRegister8(STMPE_TSC_CTRL), HEX);
writeRegister8(STMPE_INT_EN, STMPE_INT_EN_TOUCHDET);
writeRegister8(STMPE_ADC_CTRL1, STMPE_ADC_CTRL1_10BIT | (0x6 << 4)); // 96 clocks per conversion
writeRegister8(STMPE_ADC_CTRL2, STMPE_ADC_CTRL2_6_5MHZ);
writeRegister8(STMPE_TSC_CFG, STMPE_TSC_CFG_4SAMPLE | STMPE_TSC_CFG_DELAY_1MS | STMPE_TSC_CFG_SETTLE_5MS);
writeRegister8(STMPE_TSC_FRACTION_Z, 0x6);
writeRegister8(STMPE_FIFO_TH, 1);
writeRegister8(STMPE_FIFO_STA, STMPE_FIFO_STA_RESET);
writeRegister8(STMPE_FIFO_STA, 0); // unreset
writeRegister8(STMPE_TSC_I_DRIVE, STMPE_TSC_I_DRIVE_50MA);
writeRegister8(STMPE_INT_STA, 0xFF); // reset all ints
writeRegister8(STMPE_INT_CTRL, STMPE_INT_CTRL_POL_HIGH | STMPE_INT_CTRL_ENABLE);
return true;
}
int main(int argc, char *argv[])
{
pid_t pid;
GetReady();
if ((pid = fork()) < 0)
{
printf("fork error\n");
}
else if(pid == 0)
{
/* shmget the shared memory address*/
BindShmem();
InitStorage();
printf("storage process finished.\n");
}
else
{
InitTransaction();
/* load the benchmark data */
dataLoading();
/* wait other nodes in the distributed system prepare the data */
WaitDataReady();
/* run the benchmark */
RunTerminals(THREADNUM);
printf("transaction process finished.\n");
}
return 0;
}