From 007509996946c8779e4c7c8c1d8bd5507a3d6ad4 Mon Sep 17 00:00:00 2001 From: Michael Ossmann Date: Thu, 14 Jun 2012 10:40:37 -0600 Subject: [PATCH] mixertx: tests RFFC5071/Lollipop --- firmware/mixertx/Makefile | 11 +++++ firmware/mixertx/README | 26 +++++++++++ firmware/mixertx/mixertx.c | 89 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 126 insertions(+) create mode 100644 firmware/mixertx/Makefile create mode 100644 firmware/mixertx/README create mode 100644 firmware/mixertx/mixertx.c diff --git a/firmware/mixertx/Makefile b/firmware/mixertx/Makefile new file mode 100644 index 00000000..0954b89b --- /dev/null +++ b/firmware/mixertx/Makefile @@ -0,0 +1,11 @@ +# Hey Emacs, this is a -*- makefile -*- + +BINARY = mixertx + +SRC = $(BINARY).c \ + ../common/hackrf_core.c \ + ../common/si5351c.c \ + ../common/max2837.c \ + ../common/rffc5071.c + +include ../common/Makefile_inc.mk diff --git a/firmware/mixertx/README b/firmware/mixertx/README new file mode 100644 index 00000000..eeb90270 --- /dev/null +++ b/firmware/mixertx/README @@ -0,0 +1,26 @@ +This program activates the MAX2837 transceiver to transmit an unmodulated +carrier. It also configures the RFFC5071 to downconvert the carrier to a lower +frequency. + +Required Lemondrop -> Jellybean connections: + +SCK: Lemondrop P3 pin 2 -> Jellybean P9 2 +MOSI: Lemondrop P3 pin 4 -> Jellybean P9 4 +MISO: Lemondrop P3 pin 6 -> Jellybean P9 6 +SSEL: Lemondrop P3 pin 3 -> Jellybean P9 3 +SCL: Lemondrop P7 pin 3 -> Jellybean P6 pin 3 +SDA: Lemondrop P7 pin 5 -> Jellybean P6 pin 5 +SDA: Lemondrop P7 pin 6 -> Jellybean P6 pin 6 +VCC: Lemondrop P4 pin 2, 4, or 6 -> Jellybean P17 pin 2, 4, or 6 +1V8: Lemondrop P11 pin 2, 4, or 6 -> Jellybean P16 pin 2, 4, or 6 +GND: Lemondrop P5 -> Jellybean P13 + +Required Lollipop -> Jellybean connections: +GND: Lollipop P8 pin 1, 3, or 5 -> Jellybean P17 pin 1, 3, or 5 +VCC: Lollipop P8 pin 2, 4, or 6 -> Jellybean P17 pin 2, 4, or 6 +ENX: Lollipop P4 pin 5 -> Jellybean P5 pin 1 +SCLK: Lollipop P4 pin 3 -> Jellybean P5 pin 3 +DATA: Lollipop P4 pin 1 -> Jellybean P5 pin 5 + +Also RF connectors, and you're on your own to get the RF switches configured +properly. diff --git a/firmware/mixertx/mixertx.c b/firmware/mixertx/mixertx.c new file mode 100644 index 00000000..25218303 --- /dev/null +++ b/firmware/mixertx/mixertx.c @@ -0,0 +1,89 @@ +/* + * Copyright 2012 Michael Ossmann + * + * 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. + */ + +#include +#include +#include +#include + +#include "hackrf_core.h" +#include "max2837.h" +#include "rffc5071.h" + +void pin_setup(void) +{ + /* Configure SCU Pin Mux as GPIO */ + scu_pinmux(SCU_PINMUX_LED1, SCU_GPIO_FAST); + scu_pinmux(SCU_PINMUX_LED2, SCU_GPIO_FAST); + scu_pinmux(SCU_PINMUX_LED3, SCU_GPIO_FAST); + + scu_pinmux(SCU_PINMUX_EN1V8, SCU_GPIO_FAST); + + /* Configure all GPIO as Input (safe state) */ + GPIO0_DIR = 0; + GPIO1_DIR = 0; + GPIO2_DIR = 0; + GPIO3_DIR = 0; + GPIO4_DIR = 0; + GPIO5_DIR = 0; + GPIO6_DIR = 0; + GPIO7_DIR = 0; + + /* Configure GPIO2[1/2/8] (P4_1/2 P6_12) as output. */ + GPIO2_DIR |= (PIN_LED1|PIN_LED2|PIN_LED3); + + /* GPIO3[6] on P6_10 as output. */ + GPIO3_DIR |= PIN_EN1V8; +} + +int main(void) +{ + const uint32_t freq = 2441000000U; + + pin_setup(); + gpio_set(PORT_EN1V8, PIN_EN1V8); /* 1V8 on */ + cpu_clock_init(); + + gpio_set(PORT_LED1_3, (PIN_LED1)); /* LED1 on */ + + max2837_setup(); + rffc5071_init(); + gpio_set(PORT_LED1_3, (PIN_LED2)); /* LED2 on */ + + /* FIXME testing serial reads */ + while (1) { + //rffc5071_init(); + //rffc5071_reg_write(0x7a, 0xf0ca); + if (rffc5071_reg_read(0x00) == 0xbefb) + gpio_set(PORT_LED1_3, (PIN_LED3)); /* LED3 on */ + else + gpio_clear(PORT_LED1_3, (PIN_LED3)); /* LED3 off */ + } + + max2837_set_frequency(freq); + max2837_start(); + max2837_tx(); + gpio_set(PORT_LED1_3, (PIN_LED3)); /* LED3 on */ + while (1); + max2837_stop(); + + return 0; +}