void setUp() {
init_fake_port();
twi_tests_setUp();
twea_flag = 0;
BOOL res = twi_init(testPin1, testPin2);
TEST_ASSERT_TRUE_MESSAGE(res, "failed to initialize twi master.");
}
int main( void )
{
twi_init(); // Init TWI interface
// Init HT16K22. Page 32 datasheet
twi_start();
twi_tx(0xE0); // Display I2C addres + R/W bit
twi_tx(0x21); // Internal osc on (page 10 HT16K33)
twi_stop();
twi_start();
twi_tx(0xE0); // Display I2C address + R/W bit
twi_tx(0xA0); // HT16K33 pins all output
twi_stop();
twi_start();
twi_tx(0xE0); // Display I2C address + R/W bit
twi_tx(0xE3); // Display Dimming 4/16 duty cycle
twi_stop();
twi_start();
twi_tx(0xE0); // Display I2C address + R/W bit
twi_tx(0x81); // Display OFF - Blink On
twi_stop();
twi_clear();
play_fill_animation();
clear_rows();
return 1;
}
int main(void)
{
DDRA=0xFF;
PORTA=0x00;
uint8_t time[3];
uint8_t Flag,Flag1;
usartInit();
printf("*--------------------------------------------------- *\r\n");
printf("*-------------------AT24CXX experiment-------------- *\r\n");
printf("*--------------------------------------------------- *\r\n");
twi_init();
PCF8563_init();
PCF8563_setTime(0,0,0);
while(1)
{
while(1)
{
PCF8563_getTime(time);
if(Flag1 != Flag)
{
PORTA = time[0];
printf("Real time clock %d:%d:%d \r \n",time[2],time[1],time[0]);
Flag1=Flag;
}
Flag = time[0];
}
}
}
int
main (void)
// This is just a place holder application that will be replaced by
// bootloader programming. When built with BOOTSTRAPPER defined the
// application will allow the bootloader itself to be programmed.
{
#ifdef BOOTSTRAPPER
// Initialize the bootloader exit and active flags.
bootloader_exit = 0;
bootloader_active = 0;
// Initialize programming module.
prog_init();
// Initialize TWI module.
twi_init();
#endif
// Loop forever.
for (;;)
{
#ifdef BOOTSTRAPPER
// Check for TWI conditions that require handling.
twi_check_conditions();
#endif
}
#ifdef BOOTSTRAPPER
// Restore TWI interface to powerup defaults.
twi_deinit();
#endif
return 0;
}
int main(void)
{
init_sys_clocks();
init_dbg_rs232(FPBA_HZ);
print_dbg("AVR UC3 DSP DEMO\r\n");
irq_initialize_vectors();
// GUI, Controller and DSP process init
gui_init(FCPU_HZ, FHSB_HZ, FPBA_HZ, FPBB_HZ);
gui_text_print(GUI_COMMENT_ID, TEXT_IDLE);
gui_text_print(GUI_FILTER_ID, filter_active_get_description());
controller_init(FCPU_HZ, FHSB_HZ, FPBA_HZ, FPBB_HZ);
twi_init();
dsp_process_init(FCPU_HZ, FHSB_HZ, FPBA_HZ, FPBB_HZ);
cpu_irq_enable();
// Main loop
while (1)
{
gui_task();
controller_task();
dsp_process_task();
state_machine_task();
}
}
/* returns
* - success: 0
*/
uint8_t teensy_init(void) {
CPU_PRESCALE(CPU_16MHz); // speed should match F_CPU in makefile
// onboard LED
DDRD &= ~(1<<6); // set D(6) as input
PORTD &= ~(1<<6); // set D(6) internal pull-up disabled
// keyboard LEDs (see "PWM on ports OC1(A|B|C)" in "teensy-2-0.md")
_led_all_off(); // (just to put the pins in a known state)
TCCR1A = 0b10101001; // set and configure fast PWM
TCCR1B = 0b00001001; // set and configure fast PWM
// I2C (TWI)
twi_init(); // on pins D(1,0)
// unused pins
teensypin_write_all_unused(DDR, CLEAR); // set as input
teensypin_write_all_unused(PORT, SET); // set internal pull-up enabled
// rows
teensypin_write_all_row(DDR, CLEAR); // set as input
teensypin_write_all_row(PORT, SET); // set internal pull-up enabled
// columns
teensypin_write_all_column(DDR, CLEAR); // set as input (hi-Z)
teensypin_write_all_column(PORT, CLEAR); // set internal pull-up
// disabled
return 0; // success
}
void GadgetShield::Setup(void)
{
// Configure infrared emitter and detector
pinMode(IRIN_PIN, INPUT); // There is already an external pullup in the detector itself but it
digitalWrite(IRIN_PIN, HIGH); // doesn't hurt to add our own pullup as the detector's is weak.
pinMode(IROUT_PIN, OUTPUT);
digitalWrite(IROUT_PIN, LOW);
// Configure general-purpose LED's
pinMode(LED1_PIN, OUTPUT); pinMode(LED2_PIN, OUTPUT); pinMode(LED3_PIN, OUTPUT); pinMode(LED4_PIN, OUTPUT);
digitalWrite(LED1_PIN, LOW); digitalWrite(LED2_PIN, LOW); digitalWrite(LED3_PIN, LOW); digitalWrite(LED4_PIN, LOW);
// Configure RGB LED
pinMode(RED_PIN, OUTPUT); pinMode(GREEN_PIN, OUTPUT); pinMode(BLUE_PIN, OUTPUT);
RGB(0,0,0);
// Configure pushbuttons
pinMode(PB1_PIN, INPUT); // There are already external pullups so no internal pullup is needed
pinMode(PB2_PIN, INPUT);
// Configure speaker
pinMode(SPEAKER_PIN, OUTPUT);
digitalWrite(SPEAKER_PIN, LOW);
Speaker(1000); // Just to initialize timer infrastructure for speaker and Blue RGB LED pin
Speaker(0);
// Configure TWI interface to accelerometer and restore to default settings
twi_init();
// Initialize accelerometer
accel_init();
// Assume microphone baseline is 2.5V. Establish experimentally by calling MicrophoneSetBaseline().
m_mic_baseline = 127;
}
void hh10d_init(void *cfg) {
// Read calibrate paremeter with TWI
int rc;
char buf[6];
twi_init();
rc = ee24xx_read_bytes(10,4,buf);
if (rc != 4) {
sens = 0;
offset = 0;
return;
}
#ifdef DEBUG
uart_hexdump(buf,4);
uart_putc ('\r');
uart_putc ('\n');
#endif
sens = buf[0] * 256 + buf[1];
offset = buf[2] * 256 + buf[3];
#ifdef DEBUG
itoa(sens,buf,10);
uart_putstr(buf);
uart_putstr_P(PSTR("\r\n"));
itoa(offset,buf,10);
uart_putstr(buf);
uart_putstr_P(PSTR("\r\n"));
#endif
// rising edge
EICRA |= (1 << ISC10) | (1 << ISC11);
// enable INT1
EIMSK |= (1 << INT1);
}
int main(void)
{
// Enable peripherals
system_init();
pins_init();
us1_init();
us0_init();
twi_init();
// Initialize state machines
qcfp_init();
eq_init();
// Once everything is initialized, enable interrupts globally
interrupts_enable();
// Enable Expansion module 3 and 4 (sensors plugged into these temporarily)
AT91C_BASE_PIOA->PIO_CODR = AT91C_PIO_PA20;
AT91C_BASE_PIOA->PIO_CODR = AT91C_PIO_PA23;
sensors_init();
eq_post_timer(gpio_led_dance, 250, eq_timer_periodic);
while(1)
{
eq_dispatch();
eq_dispatch_timers();
}
return 0;
}
int main(void)
{
char str[30];
status_init();
adc_init();
status_set(false);
uart_init(1);
twi_init(0xC);
twi_enable_interrupt();
twi_register_get(get);
measurement = 0;
sei();
while (1) {
// VRef is 2.56V
// at T = 0, VOut = 0V. VOut scales at 10mV / ºC
// T = adc * (2.56 / 1024) * 100
// T = adc * 256 / 1024
// T = adc / 4
uint16_t read = adc_read();
measurement = read / 4;
sprintf(str, "%dºC (raw = %d)", measurement, read);
uart_send(str);
_delay_ms(500);
}
}
/**
* @brief TWI initialization.
*/
static ret_code_t twi_init (void)
{
ret_code_t err_code;
const nrf_drv_twi_config_t twi_mcp4725_config = {
.scl = ARDUINO_SCL_PIN,
.sda = ARDUINO_SDA_PIN,
.frequency = NRF_TWI_FREQ_100K,
.interrupt_priority = APP_IRQ_PRIORITY_HIGH,
.clear_bus_init = false
};
err_code = nrf_drv_twi_init(&m_twi, &twi_mcp4725_config, twi_handler, NULL);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
nrf_drv_twi_enable(&m_twi);
return NRF_SUCCESS;
}
ret_code_t mcp4725_setup(void)
{
ret_code_t err_code = twi_init();
if (err_code != NRF_SUCCESS)
{
return err_code;
}
return NRF_SUCCESS;
}
void test_initialization() {
TEST_ASSERT_EQUAL_HEX(_BV(TWEN) | _BV(TWIE), TWCR);
TEST_ASSERT_EQUAL_HEX(0x00, TWDR);
BOOL res = twi_init(testPin1, testPin2);
TEST_ASSERT_FALSE_MESSAGE(res, "Second initialization of twi master should not be possible");
TEST_ASSERT_EQUAL(PinTwiIO, pinOccupation(testPin1));
TEST_ASSERT_EQUAL(PinTwiIO, pinOccupation(testPin2));
}
// initialise the devices
void init_devices()
{
cli(); // disable all interrupts
lcd_port_config(); // configure the LCD port
twi_init(); // configur the I2cC, i.e TWI module
sei(); // re-enable interrupts
//all peripherals are now initialized
}
void twi_begin() {
rxBufferIndex = 0;
rxBufferLength = 0;
txBufferIndex = 0;
txBufferLength = 0;
twi_init();
}
void TwoWire::begin(bool use_internal_pull_up)
{
rxBufferIndex = 0;
rxBufferLength = 0;
txBufferIndex = 0;
txBufferLength = 0;
twi_init(use_internal_pull_up);
}
uint8_t twi_tout(uint8_t ini)
{
if (ini) twi_toutc=0; else twi_toutc++;
if (twi_toutc>=100000UL) {
twi_toutc=0;
twi_init();
return 1;
}
return 0;
}
void TwoWire::begin(uint32_t speed)
{
rxBufferIndex = 0;
rxBufferLength = 0;
txBufferIndex = 0;
txBufferLength = 0;
twi_init(speed);
}
void TwoWire::begin(void)
{
rxBufferIndex = 0;
rxBufferLength = 0;
txBufferIndex = 0;
txBufferLength = 0;
twi_init((p32_i2c *)_TWI_BASE, _TWI_BUS_IRQ, _TWI_SLV_IRQ, _TWI_MST_IRQ, _TWI_VECTOR);
}
void twi_init_master(void)
{
rxBufferIndex = 0;
rxBufferLength = 0;
txBufferIndex = 0;
txBufferLength = 0;
twi_init();
}
void TwoWire::begin(void)
{
rxBufferIndex = 0;
rxBufferLength = 0;
txBufferIndex = 0;
txBufferLength = 0;
twi_init();
}
void config_IMU(void){
if (twi_init() == TWI_SUCCESS){
adxl_init();
itg_init();
} else {
while(1){
gpio_toggle_pin(LED2_GPIO);
mdelay(5000); //Delay 500.0 ms
}
}
}
void twi_ctor(void)
{
SERIALSTR("twi_ctor()\r\n");
QActive_ctor((QActive*)(&twi), (QStateHandler)&twiInitial);
twi_init();
twi.requests[0] = 0;
twi.requests[1] = 0;
twi.requestIndex = 0;
twi.ready = 0;
}
uint8_t twi_tout(uint8_t ini)
{
if (ini) twi_toutc=0; else twi_toutc++;
if (twi_toutc>=wait_count) {
twi_toutc=0;
uint8_t TWBR_bak=TWBR;
twi_init(use_internal_pull_up);
TWBR=TWBR_bak;
return 1;
}
return 0;
}
int main(void)
{
char packet[1500];
struct cfg_s cfg;
/*wait 500 for ethernet*/
_delay_ms(500);
enc_init();
twi_init();
spi_init();
ip_init();
pwm_init();
sei();
/*
* EEPROM:
* Mac Address:6
* IP:4
* Subnet Mask:4
* Port:2
* ID:4
*/
eeprom_read_block(&eecfg, &cfg, sizeof(struct cfg_s));
ip_setipmac((char*)cfg.ip, (char*)cfg.subnet, (char*)cfg.mac);
while(1) {
/*
* Provide encoder deltas
* Provide Integrated/Corrected Gyro
* Accelerometer?
* Pipe PWMS
* Pipe Spike
* IP? - TCP/UDP
*
* Do reliability on cpu side.
* Send immediate acks only.
*
* Timeout of 250 ms?
*/
/* TODO:
* ANALOG:
* GYRO
* TEMP
* ACCELEROMETER
* CONTROL STATION
* PID?
*/
/*LOOP*/
}
}
void TwoWire::begin(uint32_t speed, uint8_t address)
{
rxBufferIndex = 0;
rxBufferLength = 0;
txBufferIndex = 0;
txBufferLength = 0;
twi_init(speed);
twi_setAddress(address);
twi_attachSlaveTxEvent(onRequestService);
twi_attachSlaveRxEvent(onReceiveService);
}
void TwoWireMaster::begin(void)
{
rxBufferIndex = 0;
rxBufferLength = 0;
txBufferIndex = 0;
txBufferLength = 0;
#if ORG_FILE
twi_init();
#else ORG_FILE
twiMstrBegin(I2C_100KHZ, I2C_INTERNAL_PULLUPS);
#endif // ORG_FILE
}
void TwoWire::begin(void)
{
// init buffer for reads
rxBuffer = (uint8_t*) calloc(BUFFER_LENGTH, sizeof(uint8_t));
rxBufferIndex = 0;
rxBufferLength = 0;
// init buffer for writes
txBuffer = (uint8_t*) calloc(BUFFER_LENGTH, sizeof(uint8_t));
txBufferIndex = 0;
txBufferLength = 0;
twi_init();
}
imu::imu(void)
{ twi_init(); // Initialize all peripherals.
accl_init();
mag_init();
gyro_init();
gyro_roll_angle = 0; // Initialize internal variables to zero.
gyro_pitch_angle = 0;
roll_angle = 0;
pitch_angle = 0;
yaw_angle = 0;
//gyro_x_position(void)
}
int main (void)
{
m_clockdivide(0);
twi_init(I2C_ADDR);
while(1)
{
if (receive_done)
{
process_command();
receive_done = false;
TWI_ACK();
}
}
}
void act8865_workaround(void)
{
if (!twi_init_done)
twi_init();
/* Set ACT8865 REG output voltage */
at91_board_act8865_set_reg_voltage();
/* Disable ACT8865 I2C interface, if failed, don't go on */
if (act8865_workaround_disable_i2c()) {
dbg_info("ACT8865: Failed to disable I2C interface\n");
while (1)
;
}
}