CyU3PReturnStatus_t ep0_rdwr_setup() {
// Fetch the rdwr command
// NOTE this api call acks the vendor command if it's successful
CyU3PReturnStatus_t status = CyU3PUsbGetEP0Data(sizeof(rdwr_data_header_t), glEp0Buffer, 0);
if(status != CY_U3P_SUCCESS){
log_error("Error get EP0 Data\n", status);
return status;
}
CyU3PMemCopy ( (uint8_t*)&gRdwrCmd.header, glEp0Buffer, sizeof(gRdwrCmd.header) );
return CY_U3P_SUCCESS;
}
uint16_t uxn1330_read(CyU3PDmaBuffer_t* pBuf) {
memset(pBuf->buffer,0,gRdwrCmd.header.transfer_length);
switch ( gRdwrCmd.header.reg_addr ) {
case UXN1330_VERSION:
{
uint32_t version=VERSION;
CyU3PMemCopy( pBuf->buffer, (uint8_t*)&version, sizeof(version) );
return 0;
}
case UXN1330_LP_B:
case UXN1330_V18_EN:
case UXN1330_VCON_EN:
{
CyBool_t val;
CyU3PReturnStatus_t ret;
ret=CyU3PGpioGetValue( gRdwrCmd.header.reg_addr, &val );
log_debug ( "gpio pin %d val: %d\n", gRdwrCmd.header.reg_addr, val );
if (ret == CY_U3P_SUCCESS) {
pBuf->buffer[0] = val;
pBuf->buffer[1] = 0;
return 0;
} else {
log_error ( "gpio read failed: %d\n", ret );
}
}
break;
case UXN1330_VCON_POT:
{
uint8_t val;
uint16_t ret=rdwr_vcon_pot(&val,CyFalse);
if (ret == CY_U3P_SUCCESS) {
pBuf->buffer[0] = val;
pBuf->buffer[1] = 0;
return 0;
}
return ret;
}
break;
default:
log_info("Unhandled UXN1330 read reg addr: %d\n", gRdwrCmd.header.reg_addr );
}
return 1;
}