diff options
Diffstat (limited to 'firmware/fx2/src/usrp1/fpga_rev2.c')
-rw-r--r-- | firmware/fx2/src/usrp1/fpga_rev2.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/firmware/fx2/src/usrp1/fpga_rev2.c b/firmware/fx2/src/usrp1/fpga_rev2.c deleted file mode 100644 index cca961dc4..000000000 --- a/firmware/fx2/src/usrp1/fpga_rev2.c +++ /dev/null @@ -1,122 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2004 Free Software Foundation, Inc. - * - * This file is part of GNU Radio - * - * GNU Radio is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3, or (at your option) - * any later version. - * - * GNU Radio is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GNU Radio; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, - * Boston, MA 02110-1301, USA. - */ - -#include "fpga.h" -#include "fpga_regs_common.h" -#include "usrp_common.h" -#include "usrp_globals.h" -#include "spi.h" - -unsigned char g_tx_reset = 0; -unsigned char g_rx_reset = 0; - -void -fpga_write_reg (unsigned char regno, const xdata unsigned char *regval) -{ - spi_write (0, 0x00 | (regno & 0x7f), - SPI_ENABLE_FPGA, - SPI_FMT_MSB | SPI_FMT_HDR_1, - regval, 4); -} - - -static xdata unsigned char regval[4] = {0, 0, 0, 0}; - -static void -write_fpga_master_ctrl (void) -{ - unsigned char v = 0; - if (g_tx_enable) - v |= bmFR_MC_ENABLE_TX; - if (g_rx_enable) - v |= bmFR_MC_ENABLE_RX; - if (g_tx_reset) - v |= bmFR_MC_RESET_TX; - if (g_rx_reset) - v |= bmFR_MC_RESET_RX; - regval[3] = v; - - fpga_write_reg (FR_MASTER_CTRL, regval); -} - -// Resets both AD9862's and the FPGA serial bus interface. - -void -fpga_set_reset (unsigned char on) -{ - on &= 0x1; - - if (on){ - USRP_PC &= ~bmPC_nRESET; // active low - g_tx_enable = 0; - g_rx_enable = 0; - g_tx_reset = 0; - g_rx_reset = 0; - } - else - USRP_PC |= bmPC_nRESET; -} - -void -fpga_set_tx_enable (unsigned char on) -{ - on &= 0x1; - g_tx_enable = on; - - write_fpga_master_ctrl (); - - if (on){ - g_tx_underrun = 0; - fpga_clear_flags (); - } -} - -void -fpga_set_rx_enable (unsigned char on) -{ - on &= 0x1; - g_rx_enable = on; - - write_fpga_master_ctrl (); - if (on){ - g_rx_overrun = 0; - fpga_clear_flags (); - } -} - -void -fpga_set_tx_reset (unsigned char on) -{ - on &= 0x1; - g_tx_reset = on; - - write_fpga_master_ctrl (); -} - -void -fpga_set_rx_reset (unsigned char on) -{ - on &= 0x1; - g_rx_reset = on; - - write_fpga_master_ctrl (); -} |