From 5aec76eedc2c7069807ada183ab48df597ebedc4 Mon Sep 17 00:00:00 2001 From: Michael Ossmann Date: Thu, 7 Jun 2012 12:02:49 -0600 Subject: [PATCH] startup example/test firmware --- firmware/startup/Makefile | 9 +++++ firmware/startup/README | 11 +++++++ firmware/startup/startup.c | 67 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 87 insertions(+) create mode 100644 firmware/startup/Makefile create mode 100644 firmware/startup/README create mode 100644 firmware/startup/startup.c diff --git a/firmware/startup/Makefile b/firmware/startup/Makefile new file mode 100644 index 00000000..3576bd6d --- /dev/null +++ b/firmware/startup/Makefile @@ -0,0 +1,9 @@ +# Hey Emacs, this is a -*- makefile -*- + +BINARY = startup + +SRC = $(BINARY).c \ + ../common/hackrf_core.c \ + ../common/si5351c.c + +include ../common/Makefile_inc.mk diff --git a/firmware/startup/README b/firmware/startup/README new file mode 100644 index 00000000..5c184f43 --- /dev/null +++ b/firmware/startup/README @@ -0,0 +1,11 @@ +This program is an example of the startup sequence for HackRF (Jellybean with +Lemondrop attached). LED1, LED2, and LED3 are illuminated upon success. + +Required Lemondrop -> Jellybean connections: + +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 diff --git a/firmware/startup/startup.c b/firmware/startup/startup.c new file mode 100644 index 00000000..97ed69ae --- /dev/null +++ b/firmware/startup/startup.c @@ -0,0 +1,67 @@ +/* + * Copyright 2010 - 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 "hackrf_core.h" + +void gpio_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) +{ + gpio_setup(); + + gpio_set(PORT_EN1V8, PIN_EN1V8); /* 1V8 on */ + + cpu_clock_init(); + + gpio_set(PORT_LED1_3, (PIN_LED1|PIN_LED2|PIN_LED3)); /* LEDs on */ + + while (1); + + return 0; +}