diff options
Diffstat (limited to 'firmware/microblaze/lib')
| -rw-r--r-- | firmware/microblaze/lib/Makefile.am | 4 | ||||
| -rw-r--r-- | firmware/microblaze/lib/lsadc.c | 73 | ||||
| -rw-r--r-- | firmware/microblaze/lib/lsadc.h | 45 | ||||
| -rw-r--r-- | firmware/microblaze/lib/lsdac.c | 68 | ||||
| -rw-r--r-- | firmware/microblaze/lib/lsdac.h | 47 | ||||
| -rw-r--r-- | firmware/microblaze/lib/u2_init.c | 4 |
6 files changed, 0 insertions, 241 deletions
diff --git a/firmware/microblaze/lib/Makefile.am b/firmware/microblaze/lib/Makefile.am index 3d02cfe8b..bd8972f5c 100644 --- a/firmware/microblaze/lib/Makefile.am +++ b/firmware/microblaze/lib/Makefile.am @@ -38,8 +38,6 @@ libu2fw_a_SOURCES = \ hal_io.c \ hal_uart.c \ i2c.c \ - lsadc.c \ - lsdac.c \ mdelay.c \ memcpy_wa.c \ memset_wa.c \ @@ -71,8 +69,6 @@ noinst_HEADERS = \ hal_io.h \ hal_uart.h \ i2c.h \ - lsadc.h \ - lsdac.h \ mdelay.h \ memcpy_wa.h \ memory_map.h \ diff --git a/firmware/microblaze/lib/lsadc.c b/firmware/microblaze/lib/lsadc.c deleted file mode 100644 index 7983552e7..000000000 --- a/firmware/microblaze/lib/lsadc.c +++ /dev/null @@ -1,73 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2008 Free Software Foundation, Inc. - * - * This program 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 of the License, or - * (at your option) any later version. - * - * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "lsadc.h" -#include "spi.h" -#include "memory_map.h" - - -// AD9712 or AD7922 1 MS/s, 10-/12-bit ADCs - -//#define SPI_SS_DEBUG SPI_SS_RX_DB -#define SPI_SS_DEBUG 0 - - -void -lsadc_init(void) -{ - // nop -} - -/* - * The ADC's are pipelined. That is, you have to tell them - * which of the two inputs you want one cycle ahead of time. - * We could optimize and keep track of which one we used last - * time, but for simplicity we'll always tell it which - * one we want. This takes 2 16-bit xfers, one to set the - * input and one to read the one we want. - */ - -int -_lsadc_read(int which_adc, int slave_select) -{ - uint32_t r; - int channel = which_adc & 0x1; - - // Set CHN and STY equal to channel number. We don't want "daisy chain mode" - uint16_t cmd = (channel << 13) | (channel << 12); - - spi_transact(SPI_TXONLY, slave_select | SPI_SS_DEBUG, - cmd, 16, SPIF_PUSH_RISE | SPIF_LATCH_RISE); - - r = spi_transact(SPI_TXRX, slave_select | SPI_SS_DEBUG, - cmd, 16, SPIF_PUSH_RISE | SPIF_LATCH_RISE); - - return r & 0x0fff; -} - -int -lsadc_read_rx(int which_adc) -{ - return _lsadc_read(which_adc, SPI_SS_RX_ADC); -} - -int -lsadc_read_tx(int which_adc) -{ - return _lsadc_read(which_adc, SPI_SS_TX_ADC); -} diff --git a/firmware/microblaze/lib/lsadc.h b/firmware/microblaze/lib/lsadc.h deleted file mode 100644 index 319f34d91..000000000 --- a/firmware/microblaze/lib/lsadc.h +++ /dev/null @@ -1,45 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2008 Free Software Foundation, Inc. - * - * This program 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 of the License, or - * (at your option) any later version. - * - * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. - */ -#ifndef INCLUDED_LSADC_H -#define INCLUDED_LSADC_H - -#include "memory_map.h" - -/*! - * \brief One time call to initialize low-speed ADCs. - */ -void lsadc_init(void); - -/*! - * \brief Read one of the low-speed Rx daughterboard ADCs. - * \param which_adc in [0, 1] - * - * \returns 12-bit value in [0,4095] - */ -int lsadc_read_rx(int which_adc); - -/*! - * \brief Read one of the low-speed Tx daughterboard ADCs. - * \param which_adc in [0, 1] - * - * \returns 12-bit value in [0,4095] - */ -int lsadc_read_tx(int which_adc); - - -#endif /* INCLUDED_LSADC_H */ diff --git a/firmware/microblaze/lib/lsdac.c b/firmware/microblaze/lib/lsdac.c deleted file mode 100644 index 6bc2e5cb5..000000000 --- a/firmware/microblaze/lib/lsdac.c +++ /dev/null @@ -1,68 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2008 Free Software Foundation, Inc. - * - * This program 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 of the License, or - * (at your option) any later version. - * - * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "lsdac.h" -#include "spi.h" -#include "memory_map.h" - -// AD5624, AD5623 - -#define CMD(x) ((x) << 19) -#define CMD_WR_INPUT_N CMD(0) // write input N -#define CMD_UP_DAC_N CMD(1) // update DAC N from input reg -#define CMD_WR_INPUT_N_LDAC CMD(2) // write input N, update all -#define CMD_WR_UP_DAC_N CMD(3) // write and update N -#define CMD_WR_PWR_CONFIG CMD(4) // write power up/down config reg -#define CMD_SW_RESET CMD(5) // force s/w reset -#define CMD_WR_LDAC_CFG CMD(6) // write LDAC config reg -#define CMD_WR_INT_REF_CFG CMD(7) // write internal ref cfg reg (AD5623R only) - - -//#define SPI_SS_DEBUG SPI_SS_TX_DB -#define SPI_SS_DEBUG 0 - -inline static void -_write_rx(uint32_t v) -{ - spi_transact(SPI_TXONLY, SPI_SS_RX_DAC | SPI_SS_DEBUG, v, 24, SPIF_PUSH_RISE); -} - -inline static void -_write_tx(uint32_t v) -{ - spi_transact(SPI_TXONLY, SPI_SS_TX_DAC | SPI_SS_DEBUG, v, 24, SPIF_PUSH_RISE); -} - -void -lsdac_init(void) -{ - _write_tx(CMD_SW_RESET | 0x1); // power-on reset - _write_rx(CMD_SW_RESET | 0x1); // power-on reset -} - -void -lsdac_write_rx(int which_dac, int value) -{ - _write_rx(CMD_WR_UP_DAC_N | ((which_dac & 0x7) << 16) | ((value << 4) & 0xffff)); -} - -void -lsdac_write_tx(int which_dac, int value) -{ - _write_tx(CMD_WR_UP_DAC_N | ((which_dac & 0x7) << 16) | ((value << 4) & 0xffff)); -} diff --git a/firmware/microblaze/lib/lsdac.h b/firmware/microblaze/lib/lsdac.h deleted file mode 100644 index 9cad917e3..000000000 --- a/firmware/microblaze/lib/lsdac.h +++ /dev/null @@ -1,47 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2008 Free Software Foundation, Inc. - * - * This program 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 of the License, or - * (at your option) any later version. - * - * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. - */ -#ifndef INCLUDED_LSDAC_H -#define INCLUDED_LSDAC_H - -#include "memory_map.h" - -/*! - * \brief One time call to initialize low-speed DACs. - */ -void lsdac_init(void); - -/*! - * \brief Write one of the low-speed Rx daughterboard DACs. - * \param which_dac in [0, 3] - * \param unsigned 12-bit value in [0, 4095] - * - * value maps linearly to output voltage from 0 to 3.3V - */ -void lsdac_write_rx(int which_dac, int value); - -/*! - * \brief Write one of the low-speed Tx daughterboard DACs. - * \param which_dac in [0, 3] - * \param unsigned 12-bit value in [0, 4095] - * - * value maps linearly to output voltage from 0 to 3.3V - */ -void lsdac_write_tx(int which_dac, int value); - - -#endif /* INCLUDED_LSDAC_H */ diff --git a/firmware/microblaze/lib/u2_init.c b/firmware/microblaze/lib/u2_init.c index bd3302d95..76e83c660 100644 --- a/firmware/microblaze/lib/u2_init.c +++ b/firmware/microblaze/lib/u2_init.c @@ -20,8 +20,6 @@ #include "spi.h" #include "pic.h" #include "hal_io.h" -#include "lsadc.h" -#include "lsdac.h" #include "buffer_pool.h" #include "hal_uart.h" #include "i2c.h" @@ -84,8 +82,6 @@ u2_init(void) pic_init(); // progammable interrupt controller bp_init(); // buffer pool - lsadc_init(); // low-speed ADCs - lsdac_init(); // low-speed DACs hal_enable_ints(); |