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bladeRF.c
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/*
* bladeRF FX3 firmware (bladeRF.c)
*/
#include "cyu3system.h"
#include "cyu3os.h"
#include "cyu3dma.h"
#include "cyu3error.h"
#include "cyu3usb.h"
#include "cyu3uart.h"
#include "bladeRF.h"
#include "cyu3gpif.h"
#include "cyu3pib.h"
#include "cyu3gpio.h"
#include "pib_regs.h"
/* This file should be included only once as it contains
* structure definitions. Including it in multiple places
* can result in linker error. */
#include "cyfxgpif_C4loader.h"
#include "cyfxgpif_RFlink.h"
uint32_t glAppMode = MODE_NO_CONFIG;
CyU3PThread bladeRFAppThread;
CyU3PDmaChannel glChHandlebladeRFUtoP; /* DMA Channel for RF U2P (USB to P-port) transfers */
CyU3PDmaChannel glChHandlebladeRFPtoU; /* DMA Channel for RF P2U (P-Port to USB) transfers */
CyU3PDmaChannel glChHandlebladeRFUtoUART; /* DMA Channel for U2P transfers */
CyU3PDmaChannel glChHandlebladeRFUARTtoU; /* DMA Channel for U2P transfers */
#ifdef TX_MULTI
CyU3PDmaMultiChannel glChHandleMultiUtoP;
#else
CyU3PDmaChannel glChHandleUtoP;
#endif
#ifdef RX_MULTI
CyU3PDmaMultiChannel glChHandleMultiPtoU;
#else
CyU3PDmaChannel glChHandlePtoU;
#endif
uint8_t glUsbConfiguration = 0; /* Active USB configuration. */
uint8_t glUsbInterface = 0; /* Active USB interface. */
uint32_t glDMARxCount = 0; /* Counter to track the number of buffers received
* from USB during FPGA programming */
uint8_t glEp0Buffer[4096] __attribute__ ((aligned (32)));
uint32_t glEp0Idx;
/* Application Error Handler */
void CyFxAppErrorHandler(CyU3PReturnStatus_t apiRetStatus)
{
/* firmware failed with the error code apiRetStatus */
/* Loop Indefinitely */
for (;;)
/* Thread sleep : 100 ms */
CyU3PThreadSleep(100);
}
void NuandGPIOReconfigure(CyBool_t fullGpif, CyBool_t warm)
{
CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
CyU3PIoMatrixConfig_t io_cfg;
CyU3PGpioSimpleConfig_t gpioConfig;
CyU3PReturnStatus_t status = CY_U3P_SUCCESS;
int i;
struct {
int pin; // pin number
int input; // is this an input pin
int warm; // should this pin be enabled via IOMatrix() call?
// GPIF pins should be marked False, because they have to overriden
} pins[] = {
{GPIO_nSTATUS, CyTrue, CyTrue},
{GPIO_CONFDONE, CyTrue, CyTrue},
{GPIO_SYS_RST, CyFalse, CyFalse},
{GPIO_RX_EN, CyFalse, CyFalse},
{GPIO_TX_EN, CyFalse, CyFalse},
{GPIO_nCONFIG, CyFalse, CyTrue},
{GPIO_ID, CyTrue, CyTrue},
{GPIO_LED, CyFalse, CyTrue}
};
#define ARR_SIZE(x) (sizeof(x)/sizeof(x[0]))
io_cfg.useUart = CyTrue;
io_cfg.useI2C = CyFalse;
io_cfg.useI2S = CyFalse;
io_cfg.useSpi = !fullGpif;
io_cfg.isDQ32Bit = fullGpif;
io_cfg.lppMode = CY_U3P_IO_MATRIX_LPP_DEFAULT;
io_cfg.gpioSimpleEn[0] = 0;
io_cfg.gpioSimpleEn[1] = 0;
if (warm) {
for (i = 0; i < ARR_SIZE(pins); i++) {
if (!pins[i].warm)
continue;
if (pins[i].pin < 32) {
io_cfg.gpioSimpleEn[0] |= 1 << (pins[i].pin - 1);
} else {
io_cfg.gpioSimpleEn[1] |= 1 << (pins[i].pin - 32);
}
}
}
io_cfg.gpioComplexEn[0] = 0;
io_cfg.gpioComplexEn[1] = 0;
status = CyU3PDeviceConfigureIOMatrix (&io_cfg);
if (status != CY_U3P_SUCCESS) {
while(1);
}
for (i = 0; i < ARR_SIZE(pins); i++) {
// the pin has already been activated by the call to IOMatrix()
if (warm && pins[i].warm)
continue;
apiRetStatus = CyU3PDeviceGpioOverride(pins[i].pin, CyTrue);
if (apiRetStatus != 0) {
CyU3PDebugPrint(4, "CyU3PDeviceGpioOverride failed, error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
gpioConfig.intrMode = CY_U3P_GPIO_NO_INTR;
if (pins[i].input) {
// input config
gpioConfig.outValue = CyTrue;
gpioConfig.inputEn = CyTrue;
gpioConfig.driveLowEn = CyFalse;
gpioConfig.driveHighEn = CyFalse;
} else {
// output config
gpioConfig.outValue = CyFalse;
gpioConfig.driveLowEn = CyTrue;
gpioConfig.driveHighEn = CyTrue;
gpioConfig.inputEn = CyFalse;
}
apiRetStatus = CyU3PGpioSetSimpleConfig(pins[i].pin, &gpioConfig);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PGpioSetSimpleConfig failed, error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
}
}
void UartBridgeStart(void)
{
uint16_t size = 0;
CyU3PEpConfig_t epCfg;
CyU3PUSBSpeed_t usbSpeed = CyU3PUsbGetSpeed();
CyU3PDmaChannelConfig_t dmaCfg;
CyU3PUartConfig_t uartConfig;
CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
/* Initialize the UART for printing debug messages */
apiRetStatus = CyU3PUartInit();
if (apiRetStatus != CY_U3P_SUCCESS) {
CyFxAppErrorHandler(apiRetStatus);
}
/* Set UART configuration */
CyU3PMemSet ((uint8_t *)&uartConfig, 0, sizeof (uartConfig));
uartConfig.baudRate = CY_U3P_UART_BAUDRATE_115200;
uartConfig.stopBit = CY_U3P_UART_ONE_STOP_BIT;
uartConfig.parity = CY_U3P_UART_NO_PARITY;
uartConfig.txEnable = CyTrue;
uartConfig.rxEnable = CyTrue;
uartConfig.flowCtrl = CyFalse;
uartConfig.isDma = CyTrue;
apiRetStatus = CyU3PUartSetConfig (&uartConfig, NULL);
if (apiRetStatus != CY_U3P_SUCCESS)
{
CyFxAppErrorHandler(apiRetStatus);
}
/* Set UART Tx and Rx transfer Size to infinite */
apiRetStatus = CyU3PUartTxSetBlockXfer(0xFFFFFFFF);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyFxAppErrorHandler(apiRetStatus);
}
apiRetStatus = CyU3PUartRxSetBlockXfer(0xFFFFFFFF);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyFxAppErrorHandler(apiRetStatus);
}
/* Determine max packet size based on USB speed */
switch (usbSpeed)
{
case CY_U3P_FULL_SPEED:
size = 64;
break;
case CY_U3P_HIGH_SPEED:
size = 512;
break;
case CY_U3P_SUPER_SPEED:
size = 1024;
break;
default:
CyU3PDebugPrint (4, "Error! Invalid USB speed.\n");
CyFxAppErrorHandler (CY_U3P_ERROR_FAILURE);
break;
}
CyU3PMemSet ((uint8_t *)&epCfg, 0, sizeof (epCfg));
epCfg.enable = CyTrue;
epCfg.epType = CY_U3P_USB_EP_BULK;
epCfg.burstLen = 1;
epCfg.streams = 0;
epCfg.pcktSize = size;
/* Producer endpoint configuration */
apiRetStatus = CyU3PSetEpConfig(BLADE_UART_EP_PRODUCER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint (4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler (apiRetStatus);
}
/* Consumer endpoint configuration */
apiRetStatus = CyU3PSetEpConfig(BLADE_UART_EP_CONSUMER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint (4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler (apiRetStatus);
}
CyU3PMemSet((uint8_t *)&dmaCfg, 0, sizeof(dmaCfg));
dmaCfg.size = 16;
dmaCfg.count = 10;
dmaCfg.prodSckId = CY_U3P_UIB_SOCKET_PROD_2;
dmaCfg.consSckId = CY_U3P_LPP_SOCKET_UART_CONS;
dmaCfg.dmaMode = CY_U3P_DMA_MODE_BYTE;
dmaCfg.notification = 0;
dmaCfg.cb = 0;
dmaCfg.prodHeader = 0;
dmaCfg.prodFooter = 0;
dmaCfg.consHeader = 0;
dmaCfg.prodAvailCount = 0;
apiRetStatus = CyU3PDmaChannelCreate(&glChHandlebladeRFUtoUART,
CY_U3P_DMA_TYPE_AUTO, &dmaCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint (4, "CyU3PDmaChannelCreate failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
dmaCfg.prodSckId = CY_U3P_LPP_SOCKET_UART_PROD;
dmaCfg.consSckId = CY_U3P_UIB_SOCKET_CONS_2;
apiRetStatus = CyU3PDmaChannelCreate(&glChHandlebladeRFUARTtoU,
CY_U3P_DMA_TYPE_AUTO, &dmaCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint (4, "CyU3PDmaChannelCreate failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
/* Flush the endpoint memory */
CyU3PUsbFlushEp(BLADE_UART_EP_PRODUCER);
CyU3PUsbFlushEp(BLADE_UART_EP_CONSUMER);
/* Set DMA channel transfer size */
apiRetStatus = CyU3PDmaChannelSetXfer(&glChHandlebladeRFUtoUART, BLADE_DMA_TX_SIZE);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint (4, "CyU3PDmaChannelSetXfer Failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
apiRetStatus = CyU3PDmaChannelSetXfer(&glChHandlebladeRFUARTtoU, BLADE_DMA_TX_SIZE);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint (4, "CyU3PDmaChannelSetXfer Failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
/* Set UART Tx and Rx transfer Size to infinite */
apiRetStatus = CyU3PUartTxSetBlockXfer(0xFFFFFFFF);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyFxAppErrorHandler(apiRetStatus);
}
apiRetStatus = CyU3PUartRxSetBlockXfer(0xFFFFFFFF);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyFxAppErrorHandler(apiRetStatus);
}
}
void UartBridgeStop(void)
{
CyU3PEpConfig_t epCfg;
CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
/* Flush the endpoint memory */
CyU3PUsbFlushEp(BLADE_UART_EP_PRODUCER);
CyU3PUsbFlushEp(BLADE_UART_EP_CONSUMER);
/* Destroy the channel */
CyU3PDmaChannelDestroy(&glChHandlebladeRFUARTtoU);
CyU3PDmaChannelDestroy(&glChHandlebladeRFUtoUART);
/* Disable endpoints. */
CyU3PMemSet((uint8_t *)&epCfg, 0, sizeof (epCfg));
epCfg.enable = CyFalse;
/* Producer endpoint configuration. */
apiRetStatus = CyU3PSetEpConfig(BLADE_UART_EP_PRODUCER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint (4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler (apiRetStatus);
}
apiRetStatus = CyU3PSetEpConfig(BLADE_UART_EP_CONSUMER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint (4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler (apiRetStatus);
}
CyU3PUartDeInit();
}
void CyFxGpioInit(void)
{
CyU3PGpioClock_t gpioClock;
CyU3PGpioSimpleConfig_t gpioConfig;
CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
/* Init the GPIO module */
gpioClock.fastClkDiv = 2;
gpioClock.slowClkDiv = 0;
gpioClock.simpleDiv = CY_U3P_GPIO_SIMPLE_DIV_BY_2;
gpioClock.clkSrc = CY_U3P_SYS_CLK;
gpioClock.halfDiv = 0;
apiRetStatus = CyU3PGpioInit(&gpioClock, NULL);
if (apiRetStatus != 0)
{
/* Error Handling */
CyU3PDebugPrint (4, "CyU3PGpioInit failed, error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
NuandGPIOReconfigure(CyTrue, CyFalse);
}
int FpgaBeginProgram(void)
{
CyBool_t value;
int tEnd;
CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
apiRetStatus = CyU3PGpioSetValue(GPIO_nCONFIG, CyFalse);
tEnd = CyU3PGetTime() + 10;
while (CyU3PGetTime() < tEnd);
apiRetStatus = CyU3PGpioSetValue(GPIO_nCONFIG, CyTrue);
tEnd = CyU3PGetTime() + 1000;
do {
apiRetStatus = CyU3PGpioGetValue(GPIO_nSTATUS, &value);
if (CyU3PGetTime() > tEnd)
return -1;
} while (!value);
return 0;
}
/* DMA callback function to handle the produce events for U to P transfers. */
void bladeRFConfigUtoPDmaCallback(CyU3PDmaChannel *chHandle, CyU3PDmaCbType_t type, CyU3PDmaCBInput_t *input)
{
CyU3PReturnStatus_t status = CY_U3P_SUCCESS;
if (type == CY_U3P_DMA_CB_PROD_EVENT) {
int i;
unsigned char *buf = input->buffer_p.buffer;
unsigned *us_buf = (unsigned short *)input->buffer_p.buffer;
unsigned tmpr, tmpw;
/* Flip the bits in such a way that the FPGA can be programmed
* This mapping can be determined by looking at the schematic */
for (i = input->buffer_p.count - 1; i >= 0; i--) {
buf[i * 4] = buf[i];
buf[i * 4 + 1] = 0;
buf[i * 4 + 2] = 0;
buf[i * 4 + 3] = 0;
tmpr = us_buf[i];
tmpw = 0;
#define US_GPIF_2_FPP(GPIFbit, FPPbit) tmpw |= (tmpr & (1 << FPPbit)) ? (1 << GPIFbit) : 0;
US_GPIF_2_FPP(7, 0);
US_GPIF_2_FPP(15, 1);
US_GPIF_2_FPP(6, 2);
US_GPIF_2_FPP(2, 3);
US_GPIF_2_FPP(1, 4);
US_GPIF_2_FPP(3, 5);
US_GPIF_2_FPP(9, 6);
US_GPIF_2_FPP(11, 7);
us_buf[i] = tmpw;
}
status = CyU3PDmaChannelCommitBuffer (chHandle, input->buffer_p.count * 4, 0);
if (status != CY_U3P_SUCCESS) {
CyU3PDebugPrint (4, "CyU3PDmaChannelCommitBuffer failed, Error code = %d\n", status);
}
/* Increment the counter. */
glDMARxCount++;
}
}
/* This function starts the RF data transport mechanism. This is the second
* interface of the first and only descriptor. */
void NuandRFLinkStart(void)
{
uint16_t size = 0;
CyU3PEpConfig_t epCfg;
CyU3PDmaChannelConfig_t dmaCfg;
CyU3PDmaMultiChannelConfig_t dmaMultiConfig;
CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
CyU3PUSBSpeed_t usbSpeed = CyU3PUsbGetSpeed();
NuandGPIOReconfigure(CyTrue, CyTrue);
/* Load the GPIF configuration for loading the RF transceiver */
apiRetStatus = CyU3PGpifLoad(&Rflink_CyFxGpifConfig);
if (apiRetStatus != CY_U3P_SUCCESS)
{
CyU3PDebugPrint (4, "CyU3PGpifLoad failed, Error Code = %d\n",apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
// strobe the RESET pin to the FPGA
CyU3PGpioSetValue(GPIO_SYS_RST, CyTrue);
CyU3PGpioSetValue(GPIO_SYS_RST, CyFalse);
/* Start the state machine. */
apiRetStatus = CyU3PGpifSMStart(RFLINK_START, RFLINK_ALPHA_START);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PGpifSMStart failed, Error Code = %d\n",apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
/* Determine max packet size based on USB speed */
switch (usbSpeed)
{
case CY_U3P_FULL_SPEED:
size = 64;
break;
case CY_U3P_HIGH_SPEED:
size = 512;
break;
case CY_U3P_SUPER_SPEED:
size = 1024;
break;
default:
CyU3PDebugPrint (4, "Error! Invalid USB speed.\n");
CyFxAppErrorHandler (CY_U3P_ERROR_FAILURE);
break;
}
CyU3PMemSet ((uint8_t *)&epCfg, 0, sizeof (epCfg));
epCfg.enable = CyTrue;
epCfg.epType = CY_U3P_USB_EP_BULK;
epCfg.burstLen = (usbSpeed == CY_U3P_SUPER_SPEED ? 15 : 1);
epCfg.streams = 0;
epCfg.pcktSize = size;
/* Producer endpoint configuration */
apiRetStatus = CyU3PSetEpConfig(BLADE_RF_SAMPLE_EP_PRODUCER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler (apiRetStatus);
}
/* Consumer endpoint configuration */
apiRetStatus = CyU3PSetEpConfig(BLADE_RF_SAMPLE_EP_CONSUMER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler (apiRetStatus);
}
// multi variant
dmaMultiConfig.size = size * 2;
dmaMultiConfig.count = 22;
dmaMultiConfig.validSckCount = 2;
dmaMultiConfig.prodSckId[0] = BLADE_RF_SAMPLE_EP_PRODUCER_USB_SOCKET;
dmaMultiConfig.consSckId[0] = CY_U3P_PIB_SOCKET_2;
dmaMultiConfig.consSckId[1] = CY_U3P_PIB_SOCKET_3;
dmaMultiConfig.dmaMode = CY_U3P_DMA_MODE_BYTE;
dmaMultiConfig.notification = 0;
dmaMultiConfig.cb = 0;
dmaMultiConfig.prodHeader = 0;
dmaMultiConfig.prodFooter = 0;
dmaMultiConfig.consHeader = 0;
dmaMultiConfig.prodAvailCount = 0;
// non multi variant
CyU3PMemSet((uint8_t *)&dmaCfg, 0, sizeof(dmaCfg));
dmaCfg.size = size * 2;
dmaCfg.count = 22;
dmaCfg.prodSckId = BLADE_RF_SAMPLE_EP_PRODUCER_USB_SOCKET;
dmaCfg.consSckId = CY_U3P_PIB_SOCKET_3;
dmaCfg.dmaMode = CY_U3P_DMA_MODE_BYTE;
dmaCfg.notification = 0;
dmaCfg.cb = 0;
dmaCfg.prodHeader = 0;
dmaCfg.prodFooter = 0;
dmaCfg.consHeader = 0;
dmaCfg.prodAvailCount = 0;
#if TX_MULTI
apiRetStatus = CyU3PDmaMultiChannelCreate(&glChHandleMultiUtoP, CY_U3P_DMA_TYPE_AUTO_ONE_TO_MANY, &dmaMultiConfig);
#else
apiRetStatus = CyU3PDmaChannelCreate(&glChHandleUtoP, CY_U3P_DMA_TYPE_AUTO, &dmaCfg);
#endif
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PDmaMultiChannelCreate failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
#ifdef RX_MULTI
dmaMultiConfig.prodSckId[0] = CY_U3P_PIB_SOCKET_0;
dmaMultiConfig.prodSckId[1] = CY_U3P_PIB_SOCKET_1;
dmaMultiConfig.consSckId[0] = BLADE_RF_SAMPLE_EP_CONSUMER_USB_SOCKET;
dmaMultiConfig.consSckId[1] = 0;
apiRetStatus = CyU3PDmaMultiChannelCreate(&glChHandleMultiPtoU, CY_U3P_DMA_TYPE_AUTO_MANY_TO_ONE, &dmaMultiConfig);
#else
dmaCfg.prodSckId = CY_U3P_PIB_SOCKET_0;
dmaCfg.consSckId = BLADE_RF_SAMPLE_EP_CONSUMER_USB_SOCKET;
apiRetStatus = CyU3PDmaChannelCreate(&glChHandlePtoU, CY_U3P_DMA_TYPE_AUTO, &dmaCfg);
#endif
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PDmaMultiChannelCreate failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
/* Flush the Endpoint memory */
CyU3PUsbFlushEp(BLADE_RF_SAMPLE_EP_PRODUCER);
CyU3PUsbFlushEp(BLADE_RF_SAMPLE_EP_CONSUMER);
/* Set DMA channel transfer size. */
#ifdef TX_MULTI
apiRetStatus = CyU3PDmaMultiChannelSetXfer (&glChHandleMultiUtoP, BLADE_DMA_TX_SIZE, 0);
#else
apiRetStatus = CyU3PDmaChannelSetXfer (&glChHandleUtoP, BLADE_DMA_TX_SIZE);
#endif
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PDmaChannelSetXfer Failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
#ifdef RX_MULTI
apiRetStatus = CyU3PDmaMultiChannelSetXfer (&glChHandleMultiPtoU, BLADE_DMA_TX_SIZE, 0);
#else
apiRetStatus = CyU3PDmaChannelSetXfer (&glChHandlePtoU, BLADE_DMA_TX_SIZE);
#endif
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PDmaChannelSetXfer Failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
UartBridgeStart();
glAppMode = MODE_RF_CONFIG;
}
/* This function stops the slave FIFO loop application. This shall be called
* whenever a RESET or DISCONNECT event is received from the USB host. The
* endpoints are disabled and the DMA pipe is destroyed by this function. */
void NuandRFLinkStop (void)
{
CyU3PEpConfig_t epCfg;
CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
/* Flush endpoint memory buffers */
CyU3PUsbFlushEp(BLADE_RF_SAMPLE_EP_PRODUCER);
CyU3PUsbFlushEp(BLADE_RF_SAMPLE_EP_CONSUMER);
/* Destroy the channels */
#ifdef TX_MUTLI
CyU3PDmaMultiChannelDestroy(&glChHandleMultiUtoP);
#else
CyU3PDmaChannelDestroy(&glChHandleUtoP);
#endif
#ifdef RX_MULTI
CyU3PDmaMultiChannelDestroy(&glChHandleMultiPtoU);
#else
CyU3PDmaChannelDestroy(&glChHandlePtoU);
#endif
/* Disable endpoints. */
CyU3PMemSet ((uint8_t *)&epCfg, 0, sizeof (epCfg));
epCfg.enable = CyFalse;
/* Disable producer endpoint */
apiRetStatus = CyU3PSetEpConfig(BLADE_RF_SAMPLE_EP_PRODUCER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
/* Disable consumer endpoint */
apiRetStatus = CyU3PSetEpConfig(BLADE_RF_SAMPLE_EP_CONSUMER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
/* Reset the GPIF */
CyU3PGpifDisable(CyTrue);
UartBridgeStop();
glAppMode = MODE_NO_CONFIG;
}
void NuandFpgaConfigStart(void)
{
uint16_t size = 0;
CyU3PEpConfig_t epCfg;
CyU3PDmaChannelConfig_t dmaCfg;
CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
CyU3PUSBSpeed_t usbSpeed = CyU3PUsbGetSpeed();
NuandGPIOReconfigure(CyTrue, CyFalse);
/* Load the GPIF configuration for loading the FPGA */
apiRetStatus = CyU3PGpifLoad(&C4loader_CyFxGpifConfig);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint (4, "CyU3PGpifLoad failed, Error Code = %d\n",apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
/* Start the state machine. */
apiRetStatus = CyU3PGpifSMStart(C4LOADER_START, C4LOADER_ALPHA_START);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PGpifSMStart failed, Error Code = %d\n",apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
/* Determine max packet size based on USB speed */
switch (usbSpeed)
{
case CY_U3P_FULL_SPEED:
size = 64;
break;
case CY_U3P_HIGH_SPEED:
size = 512;
break;
case CY_U3P_SUPER_SPEED:
size = 1024;
break;
default:
CyU3PDebugPrint(4, "Error! Invalid USB speed.\n");
CyFxAppErrorHandler(CY_U3P_ERROR_FAILURE);
break;
}
CyU3PMemSet((uint8_t *)&epCfg, 0, sizeof (epCfg));
epCfg.enable = CyTrue;
epCfg.epType = CY_U3P_USB_EP_BULK;
epCfg.burstLen = 1;
epCfg.streams = 0;
epCfg.pcktSize = size;
apiRetStatus = CyU3PSetEpConfig(BLADE_FPGA_EP_PRODUCER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler (apiRetStatus);
}
dmaCfg.size = size * 4;
dmaCfg.count = BLADE_DMA_BUF_COUNT;
dmaCfg.prodSckId = BLADE_FPGA_CONFIG_SOCKET;
dmaCfg.consSckId = CY_U3P_PIB_SOCKET_3;
dmaCfg.dmaMode = CY_U3P_DMA_MODE_BYTE;
/* Enable the callback for produce event, this is where the bits will get flipped */
dmaCfg.notification = CY_U3P_DMA_CB_PROD_EVENT;
dmaCfg.cb = bladeRFConfigUtoPDmaCallback;
dmaCfg.prodHeader = 0;
dmaCfg.prodFooter = size * 3;
dmaCfg.consHeader = 0;
dmaCfg.prodAvailCount = 0;
apiRetStatus = CyU3PDmaChannelCreate(&glChHandlebladeRFUtoP,
CY_U3P_DMA_TYPE_MANUAL, &dmaCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PDmaChannelCreate failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
/* Flush the endpoint memory */
CyU3PUsbFlushEp(BLADE_FPGA_EP_PRODUCER);
/* Set DMA channel transfer size. */
apiRetStatus = CyU3PDmaChannelSetXfer(&glChHandlebladeRFUtoP, BLADE_DMA_TX_SIZE);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PDmaChannelSetXfer Failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
glAppMode = MODE_FPGA_CONFIG;
}
void NuandFpgaConfigStop(void)
{
CyU3PEpConfig_t epCfg;
CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
/* Flush the endpoint memory */
CyU3PUsbFlushEp(BLADE_FPGA_EP_PRODUCER);
/* Destroy the channel */
CyU3PDmaChannelDestroy(&glChHandlebladeRFUtoP);
/* Disable endpoints. */
CyU3PMemSet((uint8_t *)&epCfg, 0, sizeof (epCfg));
epCfg.enable = CyFalse;
/* Producer endpoint configuration. */
apiRetStatus = CyU3PSetEpConfig(BLADE_FPGA_EP_PRODUCER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint (4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler (apiRetStatus);
}
CyU3PGpifDisable(CyTrue);
glAppMode = MODE_NO_CONFIG;
}
/* Callback to handle the USB setup requests. */
CyBool_t CyFxbladeRFApplnUSBSetupCB(uint32_t setupdat0, uint32_t setupdat1)
{
uint8_t bRequest, bReqType;
uint8_t bType, bTarget;
uint16_t wValue, wIndex, wLength;
CyBool_t isHandled = CyFalse;
/* Decode the fields from the setup request. */
bReqType = (setupdat0 & CY_U3P_USB_REQUEST_TYPE_MASK);
bType = (bReqType & CY_U3P_USB_TYPE_MASK);
bTarget = (bReqType & CY_U3P_USB_TARGET_MASK);
bRequest = ((setupdat0 & CY_U3P_USB_REQUEST_MASK) >> CY_U3P_USB_REQUEST_POS);
wValue = ((setupdat0 & CY_U3P_USB_VALUE_MASK) >> CY_U3P_USB_VALUE_POS);
wIndex = ((setupdat1 & CY_U3P_USB_INDEX_MASK) >> CY_U3P_USB_INDEX_POS);
wLength = ((setupdat1 & CY_U3P_USB_LENGTH_MASK) >> CY_U3P_USB_LENGTH_POS);
if (bType == CY_U3P_USB_STANDARD_RQT)
{
if (bRequest == CY_U3P_USB_SC_GET_INTERFACE) {
glEp0Buffer[0] = glUsbInterface;
CyU3PUsbSendEP0Data(wLength, glEp0Buffer);
isHandled = CyTrue;
}
/* Handle suspend requests */
if ((bTarget == CY_U3P_USB_TARGET_INTF) && ((bRequest == CY_U3P_USB_SC_SET_FEATURE)
|| (bRequest == CY_U3P_USB_SC_CLEAR_FEATURE)) && (wValue == 0)) {
if (glAppMode != MODE_NO_CONFIG)
CyU3PUsbAckSetup();
else
CyU3PUsbStall(0, CyTrue, CyFalse);
isHandled = CyTrue;
}
/* Flush enpoint memory and reset channel if CLEAR_FEATURE is received */
if ((bTarget == CY_U3P_USB_TARGET_ENDPT) && (bRequest == CY_U3P_USB_SC_CLEAR_FEATURE)
&& (wValue == CY_U3P_USBX_FS_EP_HALT))
{
if (glAppMode != MODE_NO_CONFIG) {
#if 0
if (wIndex == CY_FX_EP_PRODUCER) {
CyU3PDmaChannelReset (&glChHandlebladeRFUtoP);
CyU3PUsbFlushEp(CY_FX_EP_PRODUCER);
CyU3PUsbResetEp(CY_FX_EP_PRODUCER);
CyU3PDmaChannelSetXfer (&glChHandlebladeRFUtoP, BLADE_DMA_TX_SIZE);
}
if (wIndex == CY_FX_EP_CONSUMER) {
CyU3PDmaChannelReset (&glChHandlebladeRFPtoU);
CyU3PUsbFlushEp(CY_FX_EP_CONSUMER);
CyU3PUsbResetEp(CY_FX_EP_CONSUMER);
CyU3PDmaChannelSetXfer (&glChHandlebladeRFPtoU, BLADE_DMA_RX_SIZE);
}
#endif
CyU3PUsbStall(wIndex, CyFalse, CyTrue);
isHandled = CyTrue;
}
}
}
/* Handle supported bladeRF vendor requests. */
if (bType == CY_U3P_USB_VENDOR_RQT)
{
unsigned int ret;
CyBool_t fpgaProg;
struct bladeRF_version ver;
CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
int retStatus;
char buf[10];
uint16_t readC;
isHandled = CyTrue;
switch (bRequest)
{
case BLADE_USB_CMD_QUERY_VERSION:
ver.major = 0;
ver.minor = 3;
apiRetStatus = CyU3PUsbSendEP0Data(sizeof(ver), &ver);
break;
case BLADE_USB_CMD_RF_RX:
CyU3PGpioSetValue(GPIO_SYS_RST, CyTrue);
CyU3PGpioSetValue(GPIO_SYS_RST, CyFalse);
apiRetStatus = CyU3PUsbGetEP0Data(4, buf, &readC);
if (!(buf[0] || buf[3])) {
apiRetStatus = CyU3PUsbResetEp(BLADE_RF_SAMPLE_EP_CONSUMER);
//CyU3PThreadSleep(1000);
}
CyU3PGpioSetValue(GPIO_RX_EN, (buf[0] || buf[3]) ? CyTrue : CyFalse);
break;
case BLADE_USB_CMD_RF_TX:
CyU3PGpioSetValue(GPIO_SYS_RST, CyTrue);
CyU3PGpioSetValue(GPIO_SYS_RST, CyFalse);
apiRetStatus = CyU3PUsbGetEP0Data(4, buf, &readC);
if (!(buf[0] || buf[3])) {
apiRetStatus = CyU3PUsbResetEp(BLADE_RF_SAMPLE_EP_PRODUCER);
//CyU3PThreadSleep(1000);
}
CyU3PGpioSetValue(GPIO_TX_EN, (buf[0] || buf[3]) ? CyTrue : CyFalse);
break;
case BLADE_USB_CMD_BEGIN_PROG:
retStatus = FpgaBeginProgram();
apiRetStatus = CyU3PUsbSendEP0Data (sizeof(retStatus), &retStatus);
break;
break;
case BLADE_USB_CMD_QUERY_FPGA_STATUS:
apiRetStatus = CyU3PGpioGetValue (GPIO_CONFDONE, &fpgaProg);
if (apiRetStatus == CY_U3P_SUCCESS) {
ret = fpgaProg ? 1 : 0;
} else {
ret = -1;
}
apiRetStatus = CyU3PUsbSendEP0Data (sizeof(ret), &ret);
break;
case BLADE_USB_CMD_WRITE_OTP:
NuandEnso();
if (CyU3PUsbGetSpeed() == CY_U3P_SUPER_SPEED) {
apiRetStatus = CyU3PUsbGetEP0Data(0x100, &glEp0Buffer, &readC);
apiRetStatus = CyFxSpiTransfer (0, 0x100,
glEp0Buffer, CyFalse);
}
NuandExso();
NuandLockOtp();
break;
case BLADE_USB_CMD_READ_OTP:
if (CyU3PUsbGetSpeed() == CY_U3P_HIGH_SPEED) {
if (glEp0Idx == 0) {
NuandEnso();
apiRetStatus = CyFxSpiTransfer (0, 0x100,
glEp0Buffer, CyTrue);
apiRetStatus = CyU3PUsbSendEP0Data(wLength, &glEp0Buffer);
NuandExso();
} else {
apiRetStatus = CY_U3P_SUCCESS;
}
apiRetStatus = CyU3PUsbSendEP0Data(wLength, &glEp0Buffer[glEp0Idx]);
glEp0Idx += 64;
if (glEp0Idx == 256)
glEp0Idx = 0;
} else if (CyU3PUsbGetSpeed() == CY_U3P_SUPER_SPEED) {
NuandEnso();
apiRetStatus = CyFxSpiTransfer (0, 0x100,
glEp0Buffer, CyTrue);
apiRetStatus = CyU3PUsbSendEP0Data(0x100, &glEp0Buffer);
NuandExso();
}
break;
case BLADE_USB_CMD_FLASH_READ:
if (CyU3PUsbGetSpeed() == CY_U3P_HIGH_SPEED) {
if (glEp0Idx == 0) {
apiRetStatus = CyFxSpiTransfer (wIndex, 0x100,
glEp0Buffer, CyTrue);
} else {
apiRetStatus = CY_U3P_SUCCESS;
}
apiRetStatus = CyU3PUsbSendEP0Data(wLength, &glEp0Buffer[glEp0Idx]);
glEp0Idx += 64;
if (glEp0Idx == 256)
glEp0Idx = 0;
} else if (CyU3PUsbGetSpeed() == CY_U3P_SUPER_SPEED) {
apiRetStatus = CyFxSpiTransfer (wIndex, 0x100,
glEp0Buffer, CyTrue);
apiRetStatus = CyU3PUsbSendEP0Data(0x100, &glEp0Buffer);
}
break;
case BLADE_USB_CMD_FLASH_WRITE:
if (CyU3PUsbGetSpeed() == CY_U3P_HIGH_SPEED) {
apiRetStatus = CyU3PUsbGetEP0Data(64, &glEp0Buffer[glEp0Idx], &readC);
glEp0Idx += 64;
if (glEp0Idx == 256){
apiRetStatus = CyFxSpiTransfer (wIndex, 0x100,
glEp0Buffer, CyFalse);
glEp0Idx = 0;
}
} else if (CyU3PUsbGetSpeed() == CY_U3P_SUPER_SPEED) {
apiRetStatus = CyU3PUsbGetEP0Data(0x100, &glEp0Buffer, &readC);
apiRetStatus = CyFxSpiTransfer (wIndex, 0x100,
glEp0Buffer, CyFalse);
}
break;
case BLADE_USB_CMD_FLASH_ERASE:
apiRetStatus = CyFxSpiEraseSector(CyTrue, wIndex);
ret = (apiRetStatus == CY_U3P_SUCCESS);
CyU3PUsbSendEP0Data(sizeof(ret), &ret);
break;
break;
default:
isHandled = CyFalse;
}
}
return isHandled;
}
/* This is the callback function to handle the USB events. */
void CyFxbladeRFApplnUSBEventCB (CyU3PUsbEventType_t evtype, uint16_t evdata)
{
int interface;
switch (evtype)
{
case CY_U3P_USB_EVENT_SETINTF:
interface = evdata >> 8;
/* Don't do anything if we're setting the same interface over */
if( interface == glUsbInterface ) break ;
/* Stop whatever we were doing */
switch(glUsbInterface) {
case 0: NuandFpgaConfigStop() ; break ;
case 1: NuandRFLinkStop(); break ;
default: break ;
}
/* Start up the new one */
if (interface == 0) {
NuandFpgaConfigStart();
} else if (interface == 1) {
NuandRFLinkStart();
} else if (interface == 2) {
glEp0Idx = 0;
NuandFirmwareStart();
}
glUsbInterface = interface;
break;