void SensorsTestInit()
{
char pinDirection = 0;
int i;
PIO_Configure(aDigitalOuts, PIO_LISTSIZE(aDigitalOuts));
PIO_Configure(digitalIns, PIO_LISTSIZE(digitalIns));
PIO_Configure(sensorsPower, PIO_LISTSIZE(sensorsPower));
PMC_EnablePeripheral(AT91C_ID_PIOB);
PMC_EnablePeripheral(AT91C_ID_PIOA);
SelectAng0(); // select analog port 0 to be mesured instead of BattVoltage
SensorPowerOn(); // turn on the Vcc line
if(PMC_IsPeriphEnabled(AT91C_ID_TWI) == 0){
PIO_Configure(twiPortPins, PIO_LISTSIZE(twiPortPins));
PMC_EnablePeripheral(AT91C_ID_TWI);
TWI_ConfigureMaster(AT91C_BASE_TWI,TWCK,MCK);
}
// set all pins on pullup chip to output
WritePullupData(0x00,&pinDirection,1);
WritePullupData(0x01,&pinDirection,1);
for(i = 0;i < 8;i++){
if(i>1) AnalogPullup(i,0); // disable Analog pullups for output test
DigitalPullup(i,1); // enable all digital pullups
}
}
unsigned char AccelInit(void)
{
PIO_Configure(accIntPins, PIO_LISTSIZE(accIntPins));
if(PMC_IsPeriphEnabled(AT91C_ID_TWI) == 0){
PIO_Configure(twiPins, PIO_LISTSIZE(twiPins));
PMC_EnablePeripheral(AT91C_ID_TWI);
TWI_ConfigureMaster(AT91C_BASE_TWI,TWCK,MCK);
}
usleep(10000);
#ifdef STACCEL
// ST Accelerometer
char setup[4];
setup[0] = (1<<5)|(2<<3)|7; // Normal power, data rate = 400Hz, ZYX axis enabled
setup[1] = 0; // Do not add filter stuff
setup[2] = (2<<0); // Data ready interrupt on INT 2 pad
setup[3] = (0<<4); // do update between reads, and set scale to +/- 2g's
WriteAccelData(0x20|(1<<7),setup,4);
#else
// Freescale Accelerometer
//AccelCalibration();
AccelSetScale(2);
AccelSetCalibration();
#endif
SetPitCallback(AccelCallback,3);
return 0;
}
/**
* \brief Application entry point for ssc_dam_audio example.
*
* \return Unused (ANSI-C compatibility).
*/
int main( void )
{
uint16_t data = 0;
/* Disable watchdog */
WDT_Disable( WDT ) ;
/* Enable I and D cache */
SCB_EnableICache();
SCB_EnableDCache();
/* Output example information */
printf("-- SSC DMA Audio Example %s --\n\r", SOFTPACK_VERSION);
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
/* Configure systick for 1 ms. */
printf( "Configure system tick to get 1ms tick period.\n\r" ) ;
if ( TimeTick_Configure( ) )
{
printf("-F- Systick configuration error\n\r" ) ;
}
/* Configure all pins */
PIO_Configure(pinsSsc, PIO_LISTSIZE(pinsSsc));
/* Configure SSC */
SSC_Configure(AUDIO_IF , 0 , SSC_MCK );
SSC_ConfigureReceiver(AUDIO_IF,I2S_SLAVE_RX_SETTING,I2S_SLAVE_RX_FRM_SETTING);
SSC_DisableReceiver(AUDIO_IF);
SSC_ConfigureTransmitter(AUDIO_IF,I2S_SLAVE_TX_SETTING,I2S_SLAVE_TX_FRM_SETTING);
SSC_DisableTransmitter(AUDIO_IF);
/* Configure DMA */
Dma_configure();
/* Configure and enable the TWI (required for accessing the DAC) */
PMC_EnablePeripheral(ID_TWIHS0);
TWI_ConfigureMaster(TWIHS0, TWI_CLOCK, BOARD_MCK);
TWID_Initialize(&twid, TWIHS0);
/* Configure TWI interrupts */
NVIC_ClearPendingIRQ(TWIHS0_IRQn);
NVIC_EnableIRQ(TWIHS0_IRQn);
/* check that WM8904 is present */
WM8904_Write(&twid, WM8904_SLAVE_ADDRESS, 22, 0);
data=WM8904_Read(&twid, WM8904_SLAVE_ADDRESS, 0);
if( data != 0x8904){
printf("WM8904 not found!\n\r");
while(1);
}
/* Initialize the audio DAC */
WM8904_Init(&twid, WM8904_SLAVE_ADDRESS, PMC_MCKR_CSS_SLOW_CLK);
/* Enable the DAC master clock */
PMC_ConfigurePCK2(PMC_MCKR_CSS_SLOW_CLK, PMC_MCKR_PRES_CLK_1 );
printf("Insert Line-in cable with PC Headphone output\n\r");
PlayRecording();
while ( 1 );
}
void TwoWire::begin(void) {
if (onBeginCallback)
onBeginCallback();
// Disable PDC channel
twi->TWI_PTCR = UART_PTCR_RXTDIS | UART_PTCR_TXTDIS;
TWI_ConfigureMaster(twi, twiClock, VARIANT_MCK);
status = MASTER_IDLE;
}
//------------------------------------------------------------------------------
/// Initialize EEPROM device.
//------------------------------------------------------------------------------
static void EepromInit()
{
TRACE_INFO("Init TWI EEPROM %s\n\r", NAME_REF);
// Configure Pins
PIO_Configure(pins, PIO_LISTSIZE(pins));
// Configure TWI
AT91C_BASE_PMC->PMC_PCER = 1 << BOARD_ID_TWI;
TWI_ConfigureMaster(BOARD_BASE_TWI, TWCK, BOARD_MCK);
TWID_Initialize(&twid, BOARD_BASE_TWI);
IRQ_ConfigureIT(BOARD_ID_TWI, 0, ISR_Twi);
IRQ_EnableIT(BOARD_ID_TWI);
}
void i2c_eeprom_master_init(Twi *twi) {
const Pin twi_pins[] = {PINS_TWI_BRICKLET};
// Configure TWI pins
PIO_Configure(twi_pins, PIO_LISTSIZE(twi_pins));
// Enable TWI peripheral clock
PMC->PMC_PCER0 = 1 << ID_TWI0;
// Configure TWI interrupts
NVIC_DisableIRQ(TWI0_IRQn);
NVIC_ClearPendingIRQ(TWI0_IRQn);
NVIC_SetPriority(TWI0_IRQn, PRIORITY_EEPROM_MASTER_TWI0);
NVIC_EnableIRQ(TWI0_IRQn);
// Configure TWI as master
TWI_ConfigureMaster(twi, I2C_EEPROM_CLOCK, BOARD_MCK);
}
void eeprom_init()
{
PIO_Configure(pins_eeprom, PIO_LISTSIZE(pins_eeprom));
PMC->PMC_PCER0 = 1 << ID_TWI0;
TWI_ConfigureMaster(TWI0, TWCK, BOARD_MCK);
TWID_Initialize(&twid, TWI0);
eeprom_readBytes(0x100-6, eui48, sizeof(eui48));
//TWID_Read(&twid, 0x50, 0x100-6, 0x01, eui48, sizeof(eui48), 0);
eui64[0] = eui48[0];
eui64[1] = eui48[1];
eui64[2] = eui48[2];
eui64[3] = 0xFF;
eui64[4] = 0xFE;
eui64[5] = eui48[3];
eui64[6] = eui48[4];
eui64[7] = eui48[5];
return;
}
uint8_t i2cInit(uint8_t instance, uint32_t clock){
uint8_t i;
if(instance >= I2C_NUM_INSTANCES) return I2C_ERR_INVAL;
gpioSetFun(pins[instance][0], GPIO_FUNC_GPIO);
gpioSetFun(pins[instance][1], GPIO_FUNC_GPIO);
gpioSetPullup(pins[instance][0], 1);
gpioSetPullup(pins[instance][1], 1);
gpioSetDir(pins[instance][0], 0);
gpioSetDir(pins[instance][1], 0);
gpioSetVal(pins[instance][0], 0);
gpioSetVal(pins[instance][1], 0);
sdaHi(instance);
sclHi(instance);
delayTicks[instance] = (TICKS_PER_MS * 1000) / (8 * clock * 2);
i2cDelay(instance);
i2cDelay(instance);
for (i = 0; i < 100; i++) // Try to reset the bus
i2cBitTx(instance, 1);
i2cStop(instance);
#if !I2C_BITBANG
PMC_EnablePeripheral(instance ? ID_TWI1 : ID_TWI0);
gpioSetFun(pins[instance][0], GPIO_FUNC_A);
gpioSetFun(pins[instance][1], GPIO_FUNC_A);
TWI_ConfigureMaster(instance ? TWI1 : TWI0, clock, BOARD_MCK);
#if I2C_INT_PDC
NVIC_EnableIRQ(instance ? TWI1_IRQn : TWI0_IRQn);
if (instance)
TWI1->TWI_IDR = 0x00F77;
else
TWI0->TWI_IDR = 0x00F77;
#endif
#endif
return I2C_ALL_OK;
}
void SensorsInit()
{
char pinDirection = 0;
int i;
PIO_Configure(analogs, PIO_LISTSIZE(analogs));
PIO_Configure(digitalIns, PIO_LISTSIZE(digitalIns));
PIO_Configure(sensorsPower, PIO_LISTSIZE(sensorsPower));
PMC_EnablePeripheral(AT91C_ID_PIOB);
PMC_EnablePeripheral(AT91C_ID_PIOA);
PMC_EnablePeripheral(AT91C_ID_ADC1);
ADC_Initialize(AT91C_BASE_ADC1, AT91C_ID_ADC1, AT91C_ADC_TRGEN_DIS, \
0, AT91C_ADC_SLEEP_NORMAL_MODE, AT91C_ADC_LOWRES_10_BIT, \
MCK, BOARD_ADC_FREQ, 10, 3000);
for(i = 0;i < 8;i++) ADC_EnableChannel(AT91C_BASE_ADC1, i);
SetPitCallback(SensorsCallback,1);
SelectAng0(); // select analog port 0 to be mesured instead of BattVoltage
SensorPowerOn(); // turn on the Vcc line
if(PMC_IsPeriphEnabled(AT91C_ID_TWI) == 0){
PIO_Configure(twiPortPins, PIO_LISTSIZE(twiPortPins));
PMC_EnablePeripheral(AT91C_ID_TWI);
TWI_ConfigureMaster(AT91C_BASE_TWI,TWCK,MCK);
}
// set all pins on pullup chip to output
WritePullupData(0x00,&pinDirection,1);
WritePullupData(0x01,&pinDirection,1);
for(i = 0;i < 8;i++){
if(i>1) AnalogPullup(i,1); // enable pullups if needed
DigitalPullup(i,1); // enable all digital pullups
}
}
void imu_init()
{
printf("imu_init()\r\n");
PMC_EnablePeripheral(ID_TWI0);
PIO_Configure(&pin_i2c_scl, 1);
PIO_Configure(&pin_i2c_sda, 1);
TWI_ConfigureMaster(TWI0, 400000, F_CPU);
TWID_Initialize(&g_twid, TWI0);
g_twid_async.status = 0;
g_twid_async.callback = (void *)imu_twi_cb;
NVIC_SetPriority(TWI0_IRQn, 2); // lower priority than rs485 comms
NVIC_EnableIRQ(TWI0_IRQn);
// write a few registers to init the sensors
//imu_reg_write(ACCEL_ADDR, 0x20, 0x00); // low-power mode
imu_reg_write(ACCEL_ADDR, 0x20, 0x57); // turn on all axes
imu_reg_write(ACCEL_ADDR, 0x23, 0x88);
imu_reg_write(MAG_ADDR , 0x00, 0x9c);
imu_reg_write(MAG_ADDR , 0x01, 0x80); // no idea what range should be
//imu_reg_write(MAG_ADDR , 0x02, 0x03); // sleep mode
imu_reg_write(MAG_ADDR , 0x02, 0x00); // continuous-conversion mode
g_imu_data[0] = 42;
}
/**
* Configure the TWI and DACC for audio output.
* \param sampleRate Audio sample rate.
* \param mck MCK frequency.
*/
static void _ConfigureAudioPlay(uint32_t sampleRate, uint32_t mck)
{
/* -- Pins Configuration -- */
PIO_Configure(pinsAudio, PIO_LISTSIZE(pinsAudio));
/* -- SSC Configuration -- */
sampleRate = sampleRate; /*dummy */
SSC_Configure(SSC, 0, mck);
SSC_DisableTransmitter(SSC);
SSC_DisableReceiver(SSC);
SSC_ConfigureTransmitter(SSC, I2S_SLAVE_TX_SETTING, I2S_SLAVE_TX_FRM_SETTING);
SSC_DisableTransmitter(SSC);
/* Enable TWI peripheral clock */
PMC_EnablePeripheral(ID_TWIHS0);
/* Configure and enable the TWI (required for accessing the DAC) */
TWI_ConfigureMaster(TWIHS0, TWI_CLOCK, mck);
TWID_Initialize(&twid, TWIHS0);
/* Initialize the audio DAC
*/
WM8904_Write(&twid, WM8904_SLAVE_ADDRESS, WM8904_REG_RESET, 0);
Wait(100);
/* WM8904 as master */
if (WM8904_Read(&twid, WM8904_SLAVE_ADDRESS, 0) != 0x8904) {
printf("WM8904 not found!\n\r");
while (1);
}
WM8904_Init(&twid, WM8904_SLAVE_ADDRESS, PMC_MCKR_CSS_SLOW_CLK);
_SyncAdjust(0);
PMC_ConfigurePCK2(PMC_MCKR_CSS_SLOW_CLK, PMC_MCKR_PRES_CLK_1);
/* Mute */
AudioPlayEnable(0);
}
//------------------------------------------------------------------------------
/// Main function
//------------------------------------------------------------------------------
int main(void)
{
unsigned char key;
unsigned char isValid;
// Configure all pins
PIO_Configure(pins, PIO_LISTSIZE(pins));
LED_Configure(0);
LED_Set(0);
LED_Configure(1);
LED_Set(1);
// Initialize the DBGU
TRACE_CONFIGURE(DBGU_STANDARD, 115200, BOARD_MCK);
// Switch to Main clock
AT91C_BASE_PMC->PMC_MCKR = (AT91C_BASE_PMC->PMC_MCKR & ~AT91C_PMC_CSS) | AT91C_PMC_CSS_MAIN_CLK;
while ((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) == 0);
// Configure PLL to 98.285MHz
*AT91C_CKGR_PLLR = ((1 << 29) | (171 << AT91C_CKGR_MUL_SHIFT) \
| (0x0 << AT91C_CKGR_OUT_SHIFT) |(0x3f << AT91C_CKGR_PLLCOUNT_SHIFT) \
| (21 << AT91C_CKGR_DIV_SHIFT));
while ((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_LOCK) == 0);
// Configure master clock in two operations
AT91C_BASE_PMC->PMC_MCKR = (( AT91C_PMC_PRES_CLK_2 | AT91C_PMC_CSS_PLLA_CLK) & ~AT91C_PMC_CSS) | AT91C_PMC_CSS_MAIN_CLK;
while ((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) == 0);
AT91C_BASE_PMC->PMC_MCKR = ( AT91C_PMC_PRES_CLK_2 | AT91C_PMC_CSS_PLLA_CLK);
while ((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) == 0);
// DBGU reconfiguration
DBGU_Configure(DBGU_STANDARD, 115200, SSC_MCK);
// Configure and enable the TWI (required for accessing the DAC)
*AT91C_PMC_PCER = (1<< AT91C_ID_TWI0);
TWI_ConfigureMaster(AT91C_BASE_TWI0, TWI_CLOCK, SSC_MCK);
TWID_Initialize(&twid, AT91C_BASE_TWI0);
printf("-- OsmoSDR firmware (" BOARD_NAME ") " GIT_REVISION " --\n\r");
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
req_ctx_init();
PIO_InitializeInterrupts(0);
cmd_state.out = vprintf;
uart_cmd_reset(&cmd_state);
uart_cmds_register(cmds, sizeof(cmds)/sizeof(cmds[0]));
fastsource_init();
VBus_Configure();
power_peripherals(1);
si570_init(&si570, &twid, SI570_I2C_ADDR);
set_si570_freq(30000000);
sam3u_e4k_init(&e4k, &twid, E4K_I2C_ADDR);
e4k.vco.fosc = 30000000;
osdr_fpga_init(SSC_MCK);
//osdr_fpga_reg_write(OSDR_FPGA_REG_ADC_TIMING, (1 << 8) | 255);
//osdr_fpga_reg_write(OSDR_FPGA_REG_PWM1, (1 << 400) | 800);
osdr_fpga_set_iq_swap(0);
ssc_init();
e4k_init(&e4k);
e4k_init(&e4k);
// Enter menu loop
while (1) {
if (DBGU_IsRxReady()) {
key = DBGU_GetChar();
// Process user input
if (uart_cmd_char(&cmd_state, key) == 1) {
//ssc_stats();
}
}
ssc_dma_start();
fastsource_start();
}
}
/**
* \brief gmac_uip_telnetd example entry point.
*
* \return Unused (ANSI-C compatibility).
*/
int main(void)
{
uip_ipaddr_t ipaddr;
struct timer periodic_timer, arp_timer;
uint32_t i;
struct uip_eth_addr OrigiGMacAddr;
/* Disable watchdog */
WDT_Disable(WDT);
SCB_EnableICache();
SCB_EnableDCache();
TimeTick_Configure();
printf("-- GMAC uIP Telnetd Example %s --\n\r", SOFTPACK_VERSION);
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s With %s--\n\r", __DATE__, __TIME__ ,
COMPILER_NAME);
/* Configure systick for 1 ms. */
TimeTick_Configure();
/* Configure TWI pins. */
PIO_Configure(twiPins, PIO_LISTSIZE(twiPins));
/* Enable TWI */
PMC_EnablePeripheral(BOARD_ID_TWI_EEPROM);
TWI_ConfigureMaster(BOARD_BASE_TWI_EEPROM, TWCK, BOARD_MCK);
TWID_Initialize(&twid, BOARD_BASE_TWI_EEPROM);
/* Display MAC & IP settings */
TWID_Read(&twid, AT24MAC_SERIAL_NUM_ADD, 0x9A, 1, OrigiGMacAddr.addr, PAGE_SIZE,
0);
if ((OrigiGMacAddr.addr[0] == 0xFC) && (OrigiGMacAddr.addr[1] == 0xC2)
&& (OrigiGMacAddr.addr[2] == 0x3D)) {
for (i = 0; i < 6; i++)
GMacAddress.addr[i] = OrigiGMacAddr.addr[i];
}
printf("-- MAC %x:%x:%x:%x:%x:%x\n\r",
GMacAddress.addr[0], GMacAddress.addr[1], GMacAddress.addr[2],
GMacAddress.addr[3], GMacAddress.addr[4], GMacAddress.addr[5]);
#ifndef __DHCPC_H__
printf(" - Host IP %d.%d.%d.%d\n\r",
HostIpAddress[0], HostIpAddress[1], HostIpAddress[2], HostIpAddress[3]);
printf(" - Router IP %d.%d.%d.%d\n\r",
RoutIpAddress[0], RoutIpAddress[1], RoutIpAddress[2], RoutIpAddress[3]);
printf(" - Net Mask %d.%d.%d.%d\n\r",
NetMask[0], NetMask[1], NetMask[2], NetMask[3]);
#endif
/* System devices initialize */
gmac_tapdev_setmac((uint8_t *)GMacAddress.addr);
gmac_tapdev_init();
clock_init();
timer_set(&periodic_timer, CLOCK_SECOND / 2);
timer_set(&arp_timer, CLOCK_SECOND * 10);
/* Init uIP */
uip_init();
#ifdef __DHCPC_H__
printf("P: DHCP Supported\n\r");
uip_ipaddr(ipaddr, 0, 0, 0, 0);
uip_sethostaddr(ipaddr);
uip_ipaddr(ipaddr, 0, 0, 0, 0);
uip_setdraddr(ipaddr);
uip_ipaddr(ipaddr, 0, 0, 0, 0);
uip_setnetmask(ipaddr);
#else
/* Set the IP address of this host */
uip_ipaddr(ipaddr, HostIpAddress[0], HostIpAddress[1],
HostIpAddress[2], HostIpAddress[3]);
uip_sethostaddr(ipaddr);
uip_ipaddr(ipaddr, RoutIpAddress[0], RoutIpAddress[1],
RoutIpAddress[2], RoutIpAddress[3]);
uip_setdraddr(ipaddr);
uip_ipaddr(ipaddr, NetMask[0], NetMask[1], NetMask[2], NetMask[3]);
uip_setnetmask(ipaddr);
#endif
uip_setethaddr(GMacAddress);
_app_init();
while (1) {
uip_len = gmac_tapdev_read();
if (uip_len > 0) {
if (BUF->type == htons(UIP_ETHTYPE_IP)) {
uip_arp_ipin();
uip_input();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if (uip_len > 0) {
uip_arp_out();
gmac_tapdev_send();
}
} else if (BUF->type == htons(UIP_ETHTYPE_ARP)) {
uip_arp_arpin();
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if (uip_len > 0)
gmac_tapdev_send();
}
} else if (timer_expired(&periodic_timer)) {
timer_reset(&periodic_timer);
for (i = 0; i < UIP_CONNS; i++) {
uip_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if (uip_len > 0) {
uip_arp_out();
gmac_tapdev_send();
}
}
#if UIP_UDP
for (i = 0; i < UIP_UDP_CONNS; i++) {
uip_udp_periodic(i);
/* If the above function invocation resulted in data that
should be sent out on the network, the global variable
uip_len is set to a value > 0. */
if (uip_len > 0) {
uip_arp_out();
gmac_tapdev_send();
}
}
#endif /* UIP_UDP */
/* Call the ARP timer function every 10 seconds. */
if (timer_expired(&arp_timer)) {
timer_reset(&arp_timer);
uip_arp_timer();
}
}
}
}
extern int main( void )
{
volatile uint32_t delay;
uint8_t i;
uint8_t SNo[16];
Async async;
/* Disable watchdog */
WDT_Disable( WDT ) ;
/* Enable I and D cache */
SCB_EnableICache();
SCB_EnableDCache();
CallBackFired = 0;
/* Output example information */
printf("-- TWI EEPROM Example %s --\n\r", SOFTPACK_VERSION);
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
TimeTick_Configure();
/* Configure TWI pins. */
PIO_Configure(pins, PIO_LISTSIZE(pins));
PMC_EnablePeripheral(BOARD_ID_TWI_EEPROM);
/* Configure TWI */
twi_dma.pTwid = malloc(sizeof(Twid));
twi_dma.pTwiDma = malloc(sizeof(sXdmad));
TWI_ConfigureMaster(BOARD_BASE_TWI_EEPROM, TWCK, BOARD_MCK);
TWID_Initialize(&twid, BOARD_BASE_TWI_EEPROM);
TWID_DmaInitialize(&twi_dma, BOARD_BASE_TWI_EEPROM, 0);
TWID_Read(&twid, AT24MAC_SERIAL_NUM_ADD, 0x80, 1, SNo, PAGE_SIZE, 0);
/* Erase all page */
memset(pData, 0, PAGE_SIZE);
for(i=0; i< EEPROM_PAGES; i++)
{
printf("-I- Filling page #%d with zeroes ...\r\n", i);
TWID_Write(&twid, AT24MAC_ADDRESS, i*PAGE_SIZE, 1, pData, PAGE_SIZE, 0);
/* Wait at least 10 ms */
Wait(10);
}
printf("\r\n");
_fillBuffer(pData);
/* Synchronous operation */
for(i=0; i< EEPROM_PAGES; i++)
{
printf("\n\r-I- Filling page #%d with checkerboard pattern ...\r", i);
TWID_DmaWrite(&twi_dma, AT24MAC_ADDRESS, i*PAGE_SIZE, 1, pData, PAGE_SIZE, 0);
/* Wait at least 10 ms */
Wait(10);
}
printf("\r\n");
/* Read back data */
memset(pData, 0, PAGE_SIZE);
for(i=0; i< EEPROM_PAGES; i++)
{
printf("-I- Reading page #%d... ", i);
TWID_DmaRead(&twi_dma, AT24MAC_ADDRESS, i*PAGE_SIZE, 1, pData, PAGE_SIZE, 0);
/* Wait at least 10 ms */
Wait(10);
_checkReadBuffer(pData);
}
printf("\r\n");
/* Configure TWI interrupts */
NVIC_ClearPendingIRQ(TWIHS0_IRQn);
NVIC_EnableIRQ(TWIHS0_IRQn);
/* Asynchronous operation */
printf("-I- Read/write on page #0 (IRQ mode)\n\r");
/* Write checkerboard pattern in first page */
_fillBuffer(pData);
memset(&async, 0, sizeof(async));
async.callback = (void *) TestCallback;
for(i=0; i< EEPROM_PAGES; i++)
{
printf("-I- Filling page #%d with checkerboard pattern ...\r", i);
TWID_Write(&twid, AT24MAC_ADDRESS, i*PAGE_SIZE, 1, pData, PAGE_SIZE, &async);
while (!ASYNC_IsFinished(&async));
/* Wait at least 10 ms */
Wait(10);
}
printf("\r\n");
/* Read back data */
memset(pData, 0, PAGE_SIZE);
memset(&async, 0, sizeof(async));
async.callback = (void *) TestCallback;
for(i=0; i< EEPROM_PAGES; i++)
{
printf("-I- Reading page # %d...\r", i);
TWID_Read(&twid, AT24MAC_ADDRESS, i*PAGE_SIZE, 1, pData, PAGE_SIZE, &async);
while ( !ASYNC_IsFinished( &async ) ) ;
/* Wait at least 10 ms */
Wait(10);
_checkReadBuffer(pData);
}
printf("\r\n Callback Fired %d times", CallBackFired);
return 0 ;
}