RFFC5071: Separate hardware-specific code.
Conflicts: firmware/CMakeLists.txt firmware/hackrf_usb/Makefile firmware/mixertx/Makefile firmware/sgpio/CMakeLists.txt firmware/simpletx/Makefile firmware/spiflash/CMakeLists.txt firmware/startup/Makefile firmware/startup_systick/Makefile firmware/startup_systick_perfo/Makefile
This commit is contained in:
Jared Boone
@ -34,6 +34,7 @@
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
#include "rffc5071.h"
|
||||
#include "rffc5071_drv.h"
|
||||
#include "rffc5071_regs.def" // private register def macros
|
||||
|
||||
#if (defined DEBUG)
|
||||
@ -41,9 +42,6 @@
|
||||
#define LOG printf
|
||||
#else
|
||||
#define LOG(x,...)
|
||||
#include <libopencm3/lpc43xx/ssp.h>
|
||||
#include <libopencm3/lpc43xx/scu.h>
|
||||
#include <libopencm3/lpc43xx/gpio.h>
|
||||
#include "hackrf_core.h"
|
||||
#endif
|
||||
|
||||
@ -105,25 +103,8 @@ void rffc5071_setup(void)
|
||||
{
|
||||
rffc5071_init();
|
||||
LOG("# rffc5071_setup\n");
|
||||
#if !defined TEST
|
||||
/* Configure GPIO pins. */
|
||||
scu_pinmux(SCU_MIXER_ENX, SCU_GPIO_FAST);
|
||||
scu_pinmux(SCU_MIXER_SCLK, SCU_GPIO_FAST | SCU_CONF_FUNCTION4);
|
||||
scu_pinmux(SCU_MIXER_SDATA, SCU_GPIO_FAST);
|
||||
scu_pinmux(SCU_MIXER_RESETX, SCU_GPIO_FAST);
|
||||
|
||||
/* Set GPIO pins as outputs. */
|
||||
GPIO_DIR(PORT_MIXER_ENX) |= PIN_MIXER_ENX;
|
||||
GPIO_DIR(PORT_MIXER_SCLK) |= PIN_MIXER_SCLK;
|
||||
GPIO_DIR(PORT_MIXER_SDATA) |= PIN_MIXER_SDATA;
|
||||
GPIO_DIR(PORT_MIXER_RESETX) |= PIN_MIXER_RESETX;
|
||||
|
||||
/* set to known state */
|
||||
gpio_set(PORT_MIXER_ENX, PIN_MIXER_ENX); /* active low */
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
gpio_clear(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
gpio_set(PORT_MIXER_RESETX, PIN_MIXER_RESETX); /* active low */
|
||||
#endif
|
||||
rffc5071_pin_config();
|
||||
|
||||
/* initial setup */
|
||||
/* put zeros in freq contol registers */
|
||||
@ -152,181 +133,6 @@ void rffc5071_setup(void)
|
||||
rffc5071_regs_commit();
|
||||
}
|
||||
|
||||
void serial_delay(void)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < 2; i++)
|
||||
__asm__("nop");
|
||||
}
|
||||
|
||||
/* SPI register read.
|
||||
*
|
||||
* Send 9 bits:
|
||||
* first bit is ignored,
|
||||
* second bit is one for read operation,
|
||||
* next 7 bits are register address.
|
||||
* Then receive 16 bits (register value).
|
||||
*/
|
||||
uint16_t rffc5071_spi_read(uint8_t r) {
|
||||
|
||||
int bits = 9;
|
||||
int msb = 1 << (bits -1);
|
||||
uint32_t data = 0x80 | (r & 0x7f);
|
||||
|
||||
#if DEBUG
|
||||
LOG("reg%d = 0\n", r);
|
||||
return 0;
|
||||
#else
|
||||
/* make sure everything is starting in the correct state */
|
||||
gpio_set(PORT_MIXER_ENX, PIN_MIXER_ENX);
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
gpio_clear(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
|
||||
/*
|
||||
* The device requires two clocks while ENX is high before a serial
|
||||
* transaction. This is not clearly documented.
|
||||
*/
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
/* start transaction by bringing ENX low */
|
||||
gpio_clear(PORT_MIXER_ENX, PIN_MIXER_ENX);
|
||||
|
||||
while (bits--) {
|
||||
if (data & msb)
|
||||
gpio_set(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
else
|
||||
gpio_clear(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
data <<= 1;
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
}
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
bits = 16;
|
||||
data = 0;
|
||||
/* set SDATA line as input */
|
||||
GPIO_DIR(PORT_MIXER_SDATA) &= ~PIN_MIXER_SDATA;
|
||||
|
||||
while (bits--) {
|
||||
data <<= 1;
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
if (MIXER_SDATA_STATE)
|
||||
data |= 1;
|
||||
}
|
||||
/* set SDATA line as output */
|
||||
GPIO_DIR(PORT_MIXER_SDATA) |= PIN_MIXER_SDATA;
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_ENX, PIN_MIXER_ENX);
|
||||
|
||||
/*
|
||||
* The device requires a clock while ENX is high after a serial
|
||||
* transaction. This is not clearly documented.
|
||||
*/
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
return data;
|
||||
#endif /* DEBUG */
|
||||
}
|
||||
|
||||
/* SPI register write
|
||||
*
|
||||
* Send 25 bits:
|
||||
* first bit is ignored,
|
||||
* second bit is zero for write operation,
|
||||
* next 7 bits are register address,
|
||||
* next 16 bits are register value.
|
||||
*/
|
||||
void rffc5071_spi_write(uint8_t r, uint16_t v) {
|
||||
|
||||
#if DEBUG
|
||||
LOG("0x%04x -> reg%d\n", v, r);
|
||||
#else
|
||||
|
||||
int bits = 25;
|
||||
int msb = 1 << (bits -1);
|
||||
uint32_t data = ((r & 0x7f) << 16) | v;
|
||||
|
||||
/* make sure everything is starting in the correct state */
|
||||
gpio_set(PORT_MIXER_ENX, PIN_MIXER_ENX);
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
gpio_clear(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
|
||||
/*
|
||||
* The device requires two clocks while ENX is high before a serial
|
||||
* transaction. This is not clearly documented.
|
||||
*/
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
/* start transaction by bringing ENX low */
|
||||
gpio_clear(PORT_MIXER_ENX, PIN_MIXER_ENX);
|
||||
|
||||
while (bits--) {
|
||||
if (data & msb)
|
||||
gpio_set(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
else
|
||||
gpio_clear(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
data <<= 1;
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
}
|
||||
|
||||
gpio_set(PORT_MIXER_ENX, PIN_MIXER_ENX);
|
||||
|
||||
/*
|
||||
* The device requires a clock while ENX is high after a serial
|
||||
* transaction. This is not clearly documented.
|
||||
*/
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
#endif
|
||||
}
|
||||
|
||||
uint16_t rffc5071_reg_read(uint8_t r)
|
||||
{
|
||||
/* Readback register is not cached. */
|
||||
|
||||
229
firmware/common/rffc5071_drv.c
Normal file
229
firmware/common/rffc5071_drv.c
Normal file
@ -0,0 +1,229 @@
|
||||
/*
|
||||
* Copyright 2012 Michael Ossmann
|
||||
* Copyright 2014 Jared Boone <jared@sharebrained.com>
|
||||
*
|
||||
* This file is part of HackRF.
|
||||
*
|
||||
* 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 2, 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; see the file COPYING. If not, write to
|
||||
* the Free Software Foundation, Inc., 51 Franklin Street,
|
||||
* Boston, MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#if (defined DEBUG)
|
||||
#include <stdio.h>
|
||||
#define LOG printf
|
||||
#else
|
||||
#define LOG(x,...)
|
||||
#include <libopencm3/lpc43xx/ssp.h>
|
||||
#include <libopencm3/lpc43xx/scu.h>
|
||||
#include <libopencm3/lpc43xx/gpio.h>
|
||||
#include "hackrf_core.h"
|
||||
#endif
|
||||
|
||||
void rffc5071_pin_config() {
|
||||
#if !defined TEST
|
||||
/* Configure GPIO pins. */
|
||||
scu_pinmux(SCU_MIXER_ENX, SCU_GPIO_FAST);
|
||||
scu_pinmux(SCU_MIXER_SCLK, SCU_GPIO_FAST | SCU_CONF_FUNCTION4);
|
||||
scu_pinmux(SCU_MIXER_SDATA, SCU_GPIO_FAST);
|
||||
scu_pinmux(SCU_MIXER_RESETX, SCU_GPIO_FAST);
|
||||
|
||||
/* Set GPIO pins as outputs. */
|
||||
GPIO_DIR(PORT_MIXER_ENX) |= PIN_MIXER_ENX;
|
||||
GPIO_DIR(PORT_MIXER_SCLK) |= PIN_MIXER_SCLK;
|
||||
GPIO_DIR(PORT_MIXER_SDATA) |= PIN_MIXER_SDATA;
|
||||
GPIO_DIR(PORT_MIXER_RESETX) |= PIN_MIXER_RESETX;
|
||||
|
||||
/* set to known state */
|
||||
gpio_set(PORT_MIXER_ENX, PIN_MIXER_ENX); /* active low */
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
gpio_clear(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
gpio_set(PORT_MIXER_RESETX, PIN_MIXER_RESETX); /* active low */
|
||||
#endif
|
||||
}
|
||||
|
||||
static void serial_delay(void)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < 2; i++)
|
||||
__asm__("nop");
|
||||
}
|
||||
|
||||
/* SPI register read.
|
||||
*
|
||||
* Send 9 bits:
|
||||
* first bit is ignored,
|
||||
* second bit is one for read operation,
|
||||
* next 7 bits are register address.
|
||||
* Then receive 16 bits (register value).
|
||||
*/
|
||||
uint16_t rffc5071_spi_read(uint8_t r) {
|
||||
|
||||
int bits = 9;
|
||||
int msb = 1 << (bits -1);
|
||||
uint32_t data = 0x80 | (r & 0x7f);
|
||||
|
||||
#if DEBUG
|
||||
LOG("reg%d = 0\n", r);
|
||||
return 0;
|
||||
#else
|
||||
/* make sure everything is starting in the correct state */
|
||||
gpio_set(PORT_MIXER_ENX, PIN_MIXER_ENX);
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
gpio_clear(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
|
||||
/*
|
||||
* The device requires two clocks while ENX is high before a serial
|
||||
* transaction. This is not clearly documented.
|
||||
*/
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
/* start transaction by bringing ENX low */
|
||||
gpio_clear(PORT_MIXER_ENX, PIN_MIXER_ENX);
|
||||
|
||||
while (bits--) {
|
||||
if (data & msb)
|
||||
gpio_set(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
else
|
||||
gpio_clear(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
data <<= 1;
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
}
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
bits = 16;
|
||||
data = 0;
|
||||
/* set SDATA line as input */
|
||||
GPIO_DIR(PORT_MIXER_SDATA) &= ~PIN_MIXER_SDATA;
|
||||
|
||||
while (bits--) {
|
||||
data <<= 1;
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
if (MIXER_SDATA_STATE)
|
||||
data |= 1;
|
||||
}
|
||||
/* set SDATA line as output */
|
||||
GPIO_DIR(PORT_MIXER_SDATA) |= PIN_MIXER_SDATA;
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_ENX, PIN_MIXER_ENX);
|
||||
|
||||
/*
|
||||
* The device requires a clock while ENX is high after a serial
|
||||
* transaction. This is not clearly documented.
|
||||
*/
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
return data;
|
||||
#endif /* DEBUG */
|
||||
}
|
||||
|
||||
/* SPI register write
|
||||
*
|
||||
* Send 25 bits:
|
||||
* first bit is ignored,
|
||||
* second bit is zero for write operation,
|
||||
* next 7 bits are register address,
|
||||
* next 16 bits are register value.
|
||||
*/
|
||||
void rffc5071_spi_write(uint8_t r, uint16_t v) {
|
||||
|
||||
#if DEBUG
|
||||
LOG("0x%04x -> reg%d\n", v, r);
|
||||
#else
|
||||
|
||||
int bits = 25;
|
||||
int msb = 1 << (bits -1);
|
||||
uint32_t data = ((r & 0x7f) << 16) | v;
|
||||
|
||||
/* make sure everything is starting in the correct state */
|
||||
gpio_set(PORT_MIXER_ENX, PIN_MIXER_ENX);
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
gpio_clear(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
|
||||
/*
|
||||
* The device requires two clocks while ENX is high before a serial
|
||||
* transaction. This is not clearly documented.
|
||||
*/
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
/* start transaction by bringing ENX low */
|
||||
gpio_clear(PORT_MIXER_ENX, PIN_MIXER_ENX);
|
||||
|
||||
while (bits--) {
|
||||
if (data & msb)
|
||||
gpio_set(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
else
|
||||
gpio_clear(PORT_MIXER_SDATA, PIN_MIXER_SDATA);
|
||||
data <<= 1;
|
||||
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
}
|
||||
|
||||
gpio_set(PORT_MIXER_ENX, PIN_MIXER_ENX);
|
||||
|
||||
/*
|
||||
* The device requires a clock while ENX is high after a serial
|
||||
* transaction. This is not clearly documented.
|
||||
*/
|
||||
serial_delay();
|
||||
gpio_set(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
|
||||
serial_delay();
|
||||
gpio_clear(PORT_MIXER_SCLK, PIN_MIXER_SCLK);
|
||||
#endif
|
||||
}
|
||||
31
firmware/common/rffc5071_drv.h
Normal file
31
firmware/common/rffc5071_drv.h
Normal file
@ -0,0 +1,31 @@
|
||||
/*
|
||||
* Copyright 2012 Michael Ossmann
|
||||
* Copyright 2014 Jared Boone <jared@sharebrained.com>
|
||||
*
|
||||
* This file is part of HackRF.
|
||||
*
|
||||
* 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 2, 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; see the file COPYING. If not, write to
|
||||
* the Free Software Foundation, Inc., 51 Franklin Street,
|
||||
* Boston, MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef __RFFC5071_DRV_H
|
||||
#define __RFFC5071_DRV_H
|
||||
|
||||
void rffc5071_pin_config();
|
||||
|
||||
uint16_t rffc5071_spi_read(uint8_t r);
|
||||
void rffc5071_spi_write(uint8_t r, uint16_t v);
|
||||
|
||||
#endif // __RFFC5071_DRV_H
|
||||
@ -138,6 +138,7 @@ macro(DeclareTargets)
|
||||
${PATH_HACKRF_FIRMWARE_COMMON}/max2837_drv.c
|
||||
${PATH_HACKRF_FIRMWARE_COMMON}/max5864.c
|
||||
${PATH_HACKRF_FIRMWARE_COMMON}/rffc5071.c
|
||||
${PATH_HACKRF_FIRMWARE_COMMON}/rffc5071_drv.c
|
||||
m0_bin.s
|
||||
)
|
||||
|
||||
|
||||
Reference in New Issue
Block a user