void IOController_Output(uint16_t address, uint8_t data)
{
LsbA_Write(address & 0x00FF);
MsbA_Write((address & 0xFF00) >> 8);
CyPins_ClearPin(ExtBus_IoReq);
CyPins_ClearPin(ExtBus_Wr);
D_Write(data);
SpinWaitIO();
CyPins_SetPin(ExtBus_Wr);
CyPins_SetPin(ExtBus_IoReq);
}
uint8_t IOController_Input(uint16_t address)
{
LsbA_Write(address & 0x00FF);
MsbA_Write((address & 0xFF00) >> 8);
CyPins_ClearPin(ExtBus_IoReq);
CyPins_ClearPin(ExtBus_Rd);
SpinWaitIO();
uint8_t data = D_Read();
CyPins_SetPin(ExtBus_Rd);
CyPins_SetPin(ExtBus_IoReq);
return data;
}
void spi_setHighCS(spi_t *obj)
{
if (obj->port != NULL && !obj->port->hardwareCS)
CyPins_SetPin(obj->cs);
}
int main()
{
// This must be more dynamic in the future, but right now this IOREF is only used for the analog switches in the 10-pin connector
// (UART pins are handled by SIORefGen, and that voltage has to be lower than this IORef voltage)
//#define DYN_IOREF
#ifdef DYN_IOREF
// ~1.0V to 4.1V vref
IOVoltGen_Start();
IOVoltGen_SetValue(0x80);
IOVoltBuffer_Start();
#else
// Results in 5V vref
VDDIO2ref_SetDriveMode(VDDIO2ref_DM_STRONG);
VDDIO2ref_Write(1);
#endif
NV_Init();
SIORefGen_Start();
SIORefGen_SetValue(62); // 1V
GPIO_SetTXDrive(0);
debuguart1_init();
CyGlobalIntEnable; /* Uncomment this line to enable global interrupts. */
CyPins_ClearPin(LED_Status_0);
CyPins_SetPin(FanEna_0);
if(NVREAD->USBserial[0] != 0 && NVREAD->USBserial[0] != 0xff) {
for(uint8_t loopah=0; loopah<8; loopah++) {
mySerial[2 + (loopah<<1)] = NVREAD->USBserial[loopah]; // Update USB descriptor Unicode values with our ASCII
}
USBFS_1_SerialNumString(mySerial);
}
USB_Init();
CyDelay(500);
CyPins_ClearPin(FanEna_0);
targetuart_init();
#ifdef SPECIAL_EDITION
// Note that VtargetRef is in the 5V quadrant so that pin will always
// output 5V when set high, no matter what the IOREF is set to!
GPIO_SetPinState( TREF_PIN7, PIN_OUT_HIGH ); // Output on Vref
GPIO_SetPinState( DFMS_PIN8, PIN_UART_TX ); // Send on DFMS pin, recv on DTMS!
GPIO_SetPinState( DTMS_PIN9, PIN_UART_RX );
#else
GPIO_SetPinState( DTMS_PIN9, PIN_UART_TX ); // Send on DTMS pin, recv on DFMS!
GPIO_SetPinState( DFMS_PIN8, PIN_UART_RX );
#endif
printf("\n\nWJ CDB Assist v3 controller init\n");
FB_init();
FB_clear();
disp_str("CDB ASSIST V3",13,(64-39),0,FONT6X6 | INVERT);
disp_str("Sony Mobile",11,(64-33),64-12,FONT6X6);
#ifdef SPECIAL_EDITION
disp_str("Calibration Edition",19,(64-57),64-6,FONT6X6);
#else
disp_str("Open Devices",12,(64-36),64-6,FONT6X6);
#endif
FB_update();
GPIO_Init();
DummyLoad_Init();
USBMux_Init();
I2C_Init();
PWM_Init();
ADC_Init();
uint16_t ctr=0;
for(;;)
{
char buffah[22];
uint8_t num;
float vbatvolt,vbatcur,vbusvolt,vbuscur;
I2C_Work();
vbatvolt=(float)I2C_Get_VBAT_VoltAvg() * 0.001f;
vbatcur=I2C_Get_VBAT_CurAvg();
PWM_Work(I2C_Get_VBAT_Volt(),I2C_Get_VBAT_CurRaw());
DummyLoad_Work(I2C_Get_VBAT_Volt());
ADC_Work();
uint8_t vrefok = ADC_VtargetValid();
static uint8_t oldvrefok = 2;
if( vrefok != oldvrefok ) {
if( vrefok ) {
CyPins_ClearPin(LED_Vref_0);
GPIO_SetTXDrive( 1 );
} else {
CyPins_SetPin(LED_Vref_0);
GPIO_SetTXDrive( 0 );
SIORefGen_SetValue(62); // Default 1V ref
}
oldvrefok = vrefok;
}
if(ctr == 0) {
vbusvolt=(float)I2C_Get_VBUS_Volt() * 0.001f;
vbuscur=I2C_Get_VBUS_Cur();
USBMux_UpdateMeasurements(vbusvolt,vbuscur);
num = snprintf(buffah, sizeof(buffah), "VBAT %5.2fV %6.1fmA", vbatvolt,vbatcur);
disp_str(buffah, num, 0, 8, FONT6X6);
num = snprintf(buffah, sizeof(buffah), "VBUS %5.2fV %6.1fmA", vbusvolt,vbuscur);
disp_str(buffah, num, 0, 8+6, FONT6X6);
DummyLoad_ADCWork();
float loadcur = DummyLoad_GetCur();
float loadtemp = DummyLoad_GetTemp();
num = snprintf(buffah, sizeof(buffah), "Load %5.1f` %6.1fmA", loadtemp,loadcur);
disp_str(buffah, num, 0, 8+12, FONT6X6);
float tmp = ADC_GetVoltage(VBATSENSE);
num = snprintf(buffah, sizeof(buffah), "VBAT %5.2fV", tmp);
disp_str(buffah, num, 0, 8+18, FONT6X6);
tmp = ADC_GetVoltage(USB2SENSE);
num = snprintf(buffah, sizeof(buffah), "USB2 %5.2fV", tmp);
disp_str(buffah, num, 0, 8+24, FONT6X6);
tmp = ADC_GetVoltage(USB3SENSE);
num = snprintf(buffah, sizeof(buffah), "USB3 %5.2fV", tmp);
disp_str(buffah, num, 0, 8+30, FONT6X6);
tmp = ADC_GetVoltage(VTARGETSENSE);
if( tmp > 4.5f ) { // Assume 5V, disable regulated output
CY_SET_REG8(DTMS__SIO_CFG, (CY_GET_REG8(DTMS__SIO_CFG) & 0xcf) | 0x20);
CY_SET_REG8(DTMS__SIO_DIFF, (CY_GET_REG8(DTMS__SIO_DIFF) & 0xcf) | 0x00);
CY_SET_REG8(DTMS__SIO_HYST_EN, (CY_GET_REG8(DTMS__SIO_HYST_EN) & 0xcf) | 0x00);
} else if( tmp > 0.89f ) {
float val = tmp * 255.0f / 4.096f;
if(val > 255.0f) val = 255.0f;
SIORefGen_SetValue((uint8_t)val);
CY_SET_REG8(DTMS__SIO_CFG, (CY_GET_REG8(DTMS__SIO_CFG) & 0xcf) | 0x30); // Regulated output buffer
CY_SET_REG8(DTMS__SIO_DIFF, (CY_GET_REG8(DTMS__SIO_DIFF) & 0xcf) | 0x20);
CY_SET_REG8(DTMS__SIO_HYST_EN, (CY_GET_REG8(DTMS__SIO_HYST_EN) & 0xcf) | 0x20);
}
num = snprintf(buffah, sizeof(buffah), "VTGT %5.2fV", tmp);
disp_str(buffah, num, 0, 8+36, FONT6X6);
FB_update();
UpdateCtrl();
ctr=256;
} else {
ctr--;
}
USB_Work();
}
}
// uint8 cStatus,cIndex,cPosn;
int main()
{
/* Initializations */
uint8 m_u8Data=0,m_u8DataPrev=0xf;
// enable global interrupts
CYGlobalIntEnable;
// enable I2C interrupts
// I2C_1_EnableInt();
//Start I2C
// I2C_1_Start();
/* Clear All Relays */
CyPins_ClearPin(RL1_CTR_P0_2);
CyPins_ClearPin(RL2_CTR_P0_1);
CyPins_ClearPin(RL3_CTR_P0_0);
CyPins_ClearPin(RL4_CTR_P4_1);
CyPins_ClearPin(RL5_CTR_P4_0);
CyPins_ClearPin(RL6_CTR_P12_3);
CyPins_ClearPin(RL7_CTR_P12_2);
/* Set AC & DC Voltage as Default */
CyPins_SetPin(RL2_CTR_P0_1);
CyDelay(10);// 10 milli seconds delay
for(;;)
{
m_u8Data=0;
if(CyPins_ReadPin(ISO_DI0_P15_3)!=0)
m_u8Data |= 1;
else
m_u8Data |= 0;
if(CyPins_ReadPin(ISO_DI1_P15_2)!=0)
m_u8Data |= 1<<1;
else
m_u8Data |= 0<<1;
if(CyPins_ReadPin(ISO_DI2_P3_7)!=0)
m_u8Data |= 1<<2;
else
m_u8Data |= 0<<2;
if((m_u8Data != m_u8DataPrev) && (m_u8Data != 0x07) ){
m_u8DataPrev = m_u8Data;
switch(m_u8Data)
{
case 0x00: //ACV & DCV Mode
CyPins_ClearPin(RL1_CTR_P0_2);
CyPins_ClearPin(RL3_CTR_P0_0);
CyPins_ClearPin(RL4_CTR_P4_1);
CyPins_ClearPin(RL5_CTR_P4_0);
CyPins_ClearPin(RL6_CTR_P12_3);
CyPins_ClearPin(RL7_CTR_P12_2);
CyDelay(10);// 10 milli seconds delay
CyPins_SetPin(RL2_CTR_P0_1);
CyDelay(10);// 10 milli seconds delay
break;
case 0x01: //ACmV & DCmV Mode
CyPins_ClearPin(RL2_CTR_P0_1);
CyPins_ClearPin(RL3_CTR_P0_0);
CyPins_ClearPin(RL4_CTR_P4_1);
CyPins_ClearPin(RL5_CTR_P4_0);
CyPins_ClearPin(RL6_CTR_P12_3);
CyPins_ClearPin(RL7_CTR_P12_2);
CyDelay(10);// 10 milli seconds delay
CyPins_SetPin(RL1_CTR_P0_2);
CyDelay(10);// 10 milli seconds delay
break;
case 0x02: //ACI & DCI Mode - Amps
CyPins_ClearPin(RL1_CTR_P0_2);
CyPins_ClearPin(RL2_CTR_P0_1);
CyPins_ClearPin(RL3_CTR_P0_0);
CyPins_ClearPin(RL4_CTR_P4_1);
CyPins_ClearPin(RL5_CTR_P4_0);
CyPins_ClearPin(RL7_CTR_P12_2);
CyDelay(10);// 10 milli seconds delay
CyPins_ClearPin(RL6_CTR_P12_3);//changed for direct 10A on 22/11/2014
CyDelay(10);// 10 milli seconds delay
break;
case 0x03: //ACI & DCI Mode - mA
CyPins_ClearPin(RL1_CTR_P0_2);
CyPins_ClearPin(RL2_CTR_P0_1);
CyPins_ClearPin(RL3_CTR_P0_0);
CyPins_ClearPin(RL4_CTR_P4_1);
CyPins_ClearPin(RL6_CTR_P12_3);
CyPins_ClearPin(RL7_CTR_P12_2);
CyDelay(10);// 10 milli seconds delay
CyPins_SetPin(RL5_CTR_P4_0);
CyDelay(10);// 10 milli seconds delay
break;
case 0x04: //ACI & DCI Mode - uA
CyPins_ClearPin(RL1_CTR_P0_2);
CyPins_ClearPin(RL2_CTR_P0_1);
CyPins_ClearPin(RL3_CTR_P0_0);
CyPins_ClearPin(RL5_CTR_P4_0);
CyPins_ClearPin(RL6_CTR_P12_3);
CyPins_ClearPin(RL7_CTR_P12_2);
CyDelay(10);// 10 milli seconds delay
CyPins_SetPin(RL4_CTR_P4_1);
CyDelay(10);// 10 milli seconds delay
break;
case 0x05: //Resistor,Continuity,Diode&Capacitor
CyPins_ClearPin(RL2_CTR_P0_1);
CyPins_ClearPin(RL3_CTR_P0_0);
CyPins_ClearPin(RL4_CTR_P4_1);
CyPins_ClearPin(RL5_CTR_P4_0);
CyPins_ClearPin(RL6_CTR_P12_3);
CyPins_ClearPin(RL7_CTR_P12_2);
CyDelay(10);// 10 milli seconds delay
CyPins_SetPin(RL1_CTR_P0_2);
CyPins_SetPin(RL6_CTR_P12_3);//changed on 22/11/2014
CyDelay(10);// 10 milli seconds delay
break;
case 0x06: //Frequency
CyPins_ClearPin(RL2_CTR_P0_1);
CyPins_ClearPin(RL4_CTR_P4_1);
CyPins_ClearPin(RL5_CTR_P4_0);
CyPins_ClearPin(RL6_CTR_P12_3);
CyPins_ClearPin(RL7_CTR_P12_2);
CyDelay(10);// 10 milli seconds delay
CyPins_SetPin(RL3_CTR_P0_0);
CyDelay(10);// 10 milli seconds delay
CyPins_SetPin(RL1_CTR_P0_2);
CyDelay(10);// 10 milli seconds delay
break;
case 0x07:
CyPins_ClearPin(RL1_CTR_P0_2);
CyPins_ClearPin(RL2_CTR_P0_1);
CyPins_SetPin(RL3_CTR_P0_0);
CyPins_ClearPin(RL4_CTR_P4_1);
CyPins_ClearPin(RL5_CTR_P4_0);
CyPins_ClearPin(RL6_CTR_P12_3);
CyDelay(10);// 10 milli seconds delay
CyPins_SetPin(RL7_CTR_P12_2);
CyDelay(10);// 10 milli seconds delay
break;
}
}
else if(m_u8Data == 0x07 && m_u8DataPrev==0x05){
m_u8DataPrev = m_u8Data;
CyPins_ClearPin(RL2_CTR_P0_1);
CyPins_ClearPin(RL3_CTR_P0_0);
CyPins_ClearPin(RL4_CTR_P4_1);
CyPins_ClearPin(RL5_CTR_P4_0);
CyPins_ClearPin(RL6_CTR_P12_3);
CyPins_SetPin(RL7_CTR_P12_2);
CyDelay(10);// 10 milli seconds delay
}
}
//~~~~~~~~~~~~~~~~~~~~~I2C MEMORY~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// I2C_1_MasterClearStatus(); /* Clear any previous status */
//Following API writes the data from PSoC3 RAM buffer to EEPROM
//SLAVE_ADDR is the slave address in this API
//cMessage is the pointer to array which contains the data to be written to EEPROM.
//cLength is the number of bytes which have to be written to EEPROM
//I2C_MODE_COMPLETE_XFER, is to send data completly before sending stop command.
//The macro definition for 1) I2C_MODE_REPEAT_START = 0x01
// 2) I2C_MODE_COMPLETE_XFER = 0x00
// 3) I2C_MODE_NO_STOP = 0x02.
//I2C_1_MasterWriteBuf(SLAVE_ADDR, cMessage, 3, I2C_1_MODE_COMPLETE_XFER);
//wait until Transfer is complete
//while((I2C_1_MasterStatus() & I2C_1_MSTAT_WR_CMPLT )==0);
// delay to complete the write operation(twr)
//CyDelay(10);
//write a dummy byte to initialize the address word counter of
//eeprom to start address for read back operation. First location
//of cMessage array has word address.
// I2C_1_MasterWriteBuf(SLAVE_ADDR, dummy, 2, I2C_1_MODE_COMPLETE_XFER);
//wait until Transfer is complete
// while((I2C_1_MasterStatus() & I2C_1_MSTAT_WR_CMPLT )==0);
//Delay for setting address in EEPROM
// CyDelayUs(1);
//Read the 16 bytes from slave, staring from word address specified by iMessage
//SLAVE_ADDR is the slave address in this API
//cRx_Buffer is the pointer to array where data has to be stored after reading from EEPROM.
//cLength-1 is the number of bytes which have to be read from EEPROM
//I2C_MODE_COMPLETE_XFER, is to read data completly before sending stop command.
// I2C_1_MasterReadBuf(SLAVE_ADDR, cRx_Buffer,1, I2C_1_MODE_COMPLETE_XFER );
//wait until Transfer is complete
// while((I2C_1_MasterStatus() & I2C_1_MSTAT_RD_CMPLT )==0); */
}
/*******************************************************************************
* Function Name: ServiceUSB
********************************************************************************
* Summary: This routine performs tasks that should be done soon after USB
* enumeration is completed (configure DMA, initialize state machine etc).
* When the USB configuration is changed, this routine reinitializes all
* the USB endpoints as required by the application.
*
* Parameters:
* void
*
* Return:
* void
*
*******************************************************************************/
void ServiceUSB(void)
{
CYBIT macPC_flag=FALSE;
if(USB_INTERFACE_INACTIVE == USBDeviceState)
{
USBDeviceState = USB_INIT_AFTER_ENUMERATION_REQUIRED;
}
/* Initialization sequence for every USB host enumeration event */
if(USBDeviceState == USB_INIT_AFTER_ENUMERATION_REQUIRED)
{
uint16 index = 0;
USBDeviceState = USB_INIT_AFTER_ENUMERATION_COMPLETED;
SetAppleDeviceAudioSource(AUDIO_SOURCE_DIGITAL);
macPC_flag = IsMacPCConnected();
#if(USBFS_EP_MM == USBFS__EP_DMAAUTO)
/* USER_CODE: [Audio Buffers] Add a separate for loop if the playback and recording audio buffer size are
* not equal */
for(index=0; index< OUT_AUDIOMAXPKT; index++)
{
#ifndef ENABLE_DIGITAL_AUDIO_OUT_ONLY
inRam[index] = 0;
#endif
#ifndef ENABLE_DIGITAL_AUDIO_IN_ONLY
outRam[index] = 0;
#endif
}
#ifndef ENABLE_DIGITAL_AUDIO_OUT_ONLY
inCnt = IN_AUDIOMAXPKT;
#endif
#endif
#ifdef CDC_ENABLED
USBUARTStart(); /* Initializes the USB UART interface */
#endif
/* Configure the HID input endpoint buffer for Mac/PC playlist control */
if(macPC_flag)
{
USBFS_LoadInEP(MAC_PC_HID_CONTROL_ENDPOINT, (uint8 *)&playlistControlReport, sizeof(playlistControlReport));
#ifdef PHONE_CONTROL_ENABLED
USBFS_ReadOutEP(MAC_PC_HID_OUT_ENDPOINT, &hidOutReport, sizeof(hidOutReport));
USBFS_EnableOutEP(MAC_PC_HID_OUT_ENDPOINT);
#endif
}
/* If Aux is not currently configured, then switch to digital audio mode */
if(IS_AUX_NOT_SELECTED())
{
ConfigureDigitalAudioDMA();
}
else
{
#ifdef LCD_MODULE_ENABLED
/* Else Display Aux Configured message on the LCD */
LCD2LineDisplay("Analog Loopback ",
" ");
#endif
}
/* USER_CODE: [USB enumeration] placeholder for initializing custom user code after the USB host enumerates the
* accessory. This routine will be called once per accessory connection after the host issues SET_CONFIGURATION
* request */
}
#ifdef MIDI_ENABLED
if (midiEPInitialized == FALSE || usbReset)
{
/* Initialize MIDI only when a valid USB host is connected */
if ((IsUSBConfigured() && IsMacPCConnected()))
{
USBFS_MIDI_EP_Init();
/* USB Component internally sets the priority of the UART TX and RX ISRs to 4 and 2 respectively, change the
* interrupt priority in the application code to match the system interrupt setup */
CyIntSetPriority(MIDI1_UART_TX_VECT_NUM, MIDI_UART_INTERRUPT_PRIORITY_SIX);
CyIntSetPriority(MIDI1_UART_RX_VECT_NUM, MIDI_UART_INTERRUPT_PRIORITY_FIVE);
#if (USBFS_MIDI_EXT_MODE >= USBFS_TWO_EXT_INTRF)
CyIntSetPriority(MIDI2_UART_TX_VECT_NUM, MIDI_UART_INTERRUPT_PRIORITY_SIX);
CyIntSetPriority(MIDI2_UART_RX_VECT_NUM, MIDI_UART_INTERRUPT_PRIORITY_FIVE);
#endif
midiEPInitialized = TRUE;
usbReset = 0;
}
}
if(USBFS_midiInPointer%USBFS_EVENT_LENGTH == 0 && USBFS_midiInPointer!=0)
{
if(midiInWaitTimer == 0)
{
midiInWaitTimer = MIDI_IN_EP_WAIT_TIME;
USBFS_MIDI_IN_EP_Service();
}
}
else
{
midiInWaitTimer = MIDI_IN_EP_WAIT_TIME;
}
#endif
/* USBFS_IsConfigurationChanged() is a clear on read status update therefore, only one read of
* USBFS_IsConfigurationChanged() should ever exist in user code */
if(USBFS_IsConfigurationChanged())
{
macPC_flag = IsMacPCConnected();
#ifndef ENABLE_DIGITAL_AUDIO_IN_ONLY
/* Get Alternate setting */
altSetting[AUDIO_OUT_INTERFACE_INDEX] = (macPC_flag? USBFS_GetInterfaceSetting(1):USBFS_GetInterfaceSetting(2));
/* ByteSwap control register bit is set to 1 if alt setting 2 is selected so that
* Byte swap digital logic processes data as 16 bits. ByteSwap control register is set to 0
* if alt setting 1 is selected and byte swap processes data as 24 bits */
if (altSetting[AUDIO_OUT_INTERFACE_INDEX]==ALT_SETTING_ACTIVE_24_BIT)
{
ByteSwap_Tx_CONTROL_REG = ByteSwap_Tx_CONTROL_REG & (~ByteSwap_Tx_RES_CTRL_16);
}
else if (altSetting[AUDIO_OUT_INTERFACE_INDEX]==ALT_SETTING_ACTIVE_16_BIT)
{
ByteSwap_Tx_CONTROL_REG = ByteSwap_Tx_CONTROL_REG | ByteSwap_Tx_RES_CTRL_16;
}
/* Arming the audio out EP if it is not zero bandwidth alt setting */
if (altSetting[AUDIO_OUT_INTERFACE_INDEX]!= ALT_SETTING_ZERO_BANDWIDTH &&
(CY_GET_REG8(USBFS_SIE_EP1_CR0_PTR + ((AUDIO_OUT_ENDPOINT - USBFS_EP1) << USBFS_EPX_CNTX_ADDR_SHIFT)) & USBFS_MODE_MASK)
== USBFS_MODE_NAK_IN_OUT)
{
/* Init DMA configurations for audio OUT EP */
USBFS_ReadOutEP(AUDIO_OUT_ENDPOINT, &outRam[0], OUT_AUDIOMAXPKT);
USBFS_EnableOutEP(AUDIO_OUT_ENDPOINT);
}
#endif
#ifndef ENABLE_DIGITAL_AUDIO_OUT_ONLY
#ifndef ENABLE_DIGITAL_AUDIO_IN_ONLY
if(altSetting[AUDIO_IN_INTERFACE_INDEX] != (macPC_flag? USBFS_GetInterfaceSetting(2):USBFS_GetInterfaceSetting(3)))
{
altSetting[AUDIO_IN_INTERFACE_INDEX] = (macPC_flag? USBFS_GetInterfaceSetting(2):USBFS_GetInterfaceSetting(3));
#else
if(altSetting[AUDIO_IN_INTERFACE_INDEX] != (macPC_flag? USBFS_GetInterfaceSetting(1):USBFS_GetInterfaceSetting(2)))
{
altSetting[AUDIO_IN_INTERFACE_INDEX] = (macPC_flag? USBFS_GetInterfaceSetting(1):USBFS_GetInterfaceSetting(2));
#endif
/* Setting the ByteSwap control register bit to 0 regardless of alt setting is selected. Because audio in
* interface both the alternate settings alt setting1 and alt setting 2 both use 3 byte subframe size. */
ByteSwap_Rx_CONTROL_REG = ByteSwap_Rx_CONTROL_REG & (~ByteSwap_Rx_RES_CTRL_16);
/* Arming the audio in EP if it is not zero bandwidth alt setting */
if (altSetting[AUDIO_IN_INTERFACE_INDEX]!= ALT_SETTING_ZERO_BANDWIDTH &&
(CY_GET_REG8(USBFS_SIE_EP1_CR0_PTR + ((AUDIO_IN_ENDPOINT - USBFS_EP1) << USBFS_EPX_CNTX_ADDR_SHIFT)) & USBFS_MODE_MASK)
== USBFS_MODE_NAK_IN_OUT)
{
/* Init DMA configurations for audio IN EP */
inCnt = IN_AUDIOMAXPKT;
USBFS_LoadInEP(AUDIO_IN_ENDPOINT, &inRam[0], inCnt);
/* Pre-arm first audio IN request */
USBFS_LoadInEP(AUDIO_IN_ENDPOINT, USBFS_NULL, inCnt);
}
}
#endif
/* USER_CODE: [USB configuration changed] Placeholder for adding additional USB endpoint initialization code
* when the host issues either a SET_INTERFACE or SET_CONFIGURATION request to the accessory. After receiving
* a SET_INTERFACE request from the host, the endpoint belonging to the alternate setting being configured
* by the USB host is reset and must be reinitialized here for proper operation of the USB block */
}
}
/*******************************************************************************
* Function Name: ServiceUSBSuspend
********************************************************************************
* Summary:
* This function handles USB suspend event from USB host and forces PSoC 3
* to enter low power mode. Once the USB resume event is detected, PSoC3
* wakes up and starts operating in normal mode.
*
* Parameters:
* void
*
* Return:
* void
*
*******************************************************************************/
#ifdef HANDLE_USB_SUSPEND
void ServiceUSBSuspend(void)
{
if(!IsMacPCConnected() || ! USBFS_initVar)
{
return;
}
/* Check if the host is active */
if(USBFS_bCheckActivity() != 0 )
{
usbActivityCounter = 0;
}
else
{
usbActivityCounter++;
}
/* USB Suspend event is lack of greater than 3 consecutive SOF's */
if(usbActivityCounter > USB_SUSPEND_TIME_TICKS )
{
/* The debounce delay is taken care by increasing the suspend time to 40ms (5 * 8ms) */
if(IsMacPCConnected() && IsUSBConfigured())
{
/* USER_CODE: [USB suspend] Placeholder for configuring ALL the additional components added by the user in
* sleep mode before calling USB suspend/PSoC 3 sleep API */
#ifdef LCD_MODULE_ENABLED
LCD_Position(0,0);
LCD_PrintString(" USB Suspend ");
#endif
/* If the accessory is not in low power mode, enter low power mode on seeing a USB suspend */
if(!lowPowerIdle)
{
lowPowerIdle = TRUE;
StopAudioComponents(); /* Changes to 24 MHz IMO for USB */
StopAnalogAudioComponents(); /* Turn OFF Analog path for Audio-In/iPod Analog */
}
if(!midiPowerIdle)
{
if(!lowPowerIdle)
{
StopAudioComponents(); /* Changes to 24 MHz IMO for USB */
}
CyPins_SetPin(PSOC_MIDI_PWR_0); /* Turn off the MIDI I/O hardware */
midiPowerIdle = TRUE; /* MIDI low power mode enabled */
}
CyPins_ClearPin(PSOC_CODEC_PWR_0); /* Turn off the regulator to reduce suspend mode current */
USBFS_Suspend();
I2C_Master_Sleep(); /* Configure I2C master block in sleep mode */
#ifdef CAPSENSE_ENABLED
while(CapSense_IsBusy()); /* Wait for current scan to complete */
CapSense_Sleep();
#endif
#ifdef MIDI_ENABLED
MIDI1_UART_Sleep();
#if (USBFS_MIDI_EXT_MODE >= USBFS_TWO_EXT_INTRF)
MIDI2_UART_Sleep();
#endif
#endif
CyPmSaveClocks();
CyPmSleep(PM_SLEEP_TIME_NONE, PM_SLEEP_SRC_PICU); /* PSoC 3 is in sleep mode */
CyPmRestoreClocks();
USBFS_Resume();
I2C_Master_Wakeup();
#ifdef CAPSENSE_ENABLED
CapSense_Wakeup();
CapSense_IntClock_SetSource(CYCLK_SRC_SEL_IMO);
#endif
#ifdef MIDI_ENABLED
MIDI1_UART_Wakeup();
#if (USBFS_MIDI_EXT_MODE >= USBFS_TWO_EXT_INTRF)
MIDI2_UART_Wakeup();
#endif
#endif
CyPins_SetPin(PSOC_CODEC_PWR_0); /* Turn ON the CODEC regulator after wake up */
#ifdef WINDOWS7_WORKAROUND
if(USBFS_GetConfiguration() != 0)
{
USBFS_configurationChanged = USBFS_TRUE;
USBFS_Config(USBFS_FALSE);
}
#endif
#ifdef LCD_MODULE_ENABLED
LCD_Position(0,0);
LCD_PrintString("Mac/PC Interface");
#endif
/* USER_CODE: [USB wakeup] Placeholder for re-configuring ALL the additional components added by the user in
* wakeup mode after calling USB wakeup */
}
usbActivityCounter = 0;
/* After coming out of USB suspend, MIDI end point should be re-initialized */
midiEPInitialized = 0;
}
}
#endif
/*******************************************************************************
* Function Name: HandlePCMacUSBInterface
********************************************************************************
* Summary: Checks if PC/Mac is connected/disconnected and start the USB component
*
* Parameters:
* void
*
* Return:
* void
*
*******************************************************************************/
void HandlePCMacUSBInterface(void)
{
/* If Aux mode is enabled, then Mac/PC connection disconnection is handled only when the system is not in
* aux In mode. For self powered case, Apple device connection is also checked before starting the Mac/PC
* interface */
if(IS_AUX_NOT_SELECTED() && !USBFS_initVar && IsMacPCConnected())
{
/* Switch the PSoC USB D+ and D- lines to USB Mini B */
CyPins_ClearPin(PSOC_USB_SEL_0);
/* Start the USB component when PC/Mac is connected */
USBFS_Start(PC_MAC_AUDIO_WITH_VOLUME_DEVICE, USBFS_DWR_VDDD_OPERATION);
USBDeviceState = USB_INIT_AFTER_ENUMERATION_REQUIRED;
#ifdef LCD_MODULE_ENABLED
if(IS_AUX_NOT_SELECTED())
{
LCD2LineDisplay("Mac/PC Interface",
" ");
}
#endif
#ifdef ENABLE_VOLUME_CONTROL
currentLCDVolume--; /* dirty the LCD volume and mute update flag to update volume and mute info on the LCD */
currentLCDMute--;
#endif
usbMiniBActive = TRUE;
/* USER_CODE: [Mac/PC connection] Placeholder for initializing components or external peripherals when the
* accessory is plugged into Mac/PC (USB VBus = High) */
}
/* Check for PC/Mac USB Audio device disconnection in self powered mode.
* In device powered mode project, no need of checking disconnection event as power is shut off
* as soon as USB cable is disconnected from USB mini connector. */
else if(usbMiniBActive && (USBFS_bGetConfiguration() || USBDeviceState == USB_INIT_AFTER_ENUMERATION_REQUIRED))
{
/* If VBUS voltage from mini B is now gone and was previous present then stop USB interface */
if(!IsMacPCConnected())
{
if(USBFS_initVar)
{
USBFS_Stop();
}
CyPins_SetPin(PSOC_USB_SEL_0); /* Switch the PSoC USB D+ and D- lines back to Apple device */
/* If Aux was not configured when PC is unplugged, then switch off CODEC */
if(!auxConfigured)
{
CyPins_ClearPin(PSOC_CODEC_RST_0); /* Hold CODEC in reset */
codecInit = FALSE;
}
usbMiniBActive = FALSE;
/* USER_CODE: [Mac/PC disconnection] Placeholder for shutting down components or external peripherals when
* the accessory is disconnected from Mac/PC (USB VBus transitioned from High to Low) */
}
}
}
/*******************************************************************************
* Function Name: EnableNAKBulkIN
********************************************************************************
* Summary: Enables the NAK interrupt on a USB endpoint
*
* Parameters:
* Endpoint number for which NAK interrupt is to be enabled
*
* Return:
* void
*
*******************************************************************************/
void EnableNAKBulkIN(uint8 bEPNumber)
{
uint8 index = (bEPNumber - USBFS_EP1) << USBFS_EPX_CNTX_ADDR_SHIFT;
if((CY_GET_REG8(&USBFS_SIE_EP1_CR0_PTR[index]) & USBFS_MODE_MASK) != USBFS_MODE_ACK_IN)
{
CY_SET_REG8(&USBFS_SIE_EP1_CR0_PTR[index],
CY_GET_REG8(&USBFS_SIE_EP1_CR0_PTR[index]) | NAK_IN_INTERRUPT_ENABLE_MASK);
}
}
