Add adc support (on-board potentiometer)

This commit is contained in:
Michał Łyszczek 2016-08-14 17:16:49 +02:00
parent 7bca86fa31
commit 8c396a2986
5 changed files with 158 additions and 4 deletions

View File

@ -148,6 +148,12 @@
* application if CONFIG_ARCH_LEDS is not defined.
*/
/* ADC configuration. Right now only ADC12_IN10 is supported (potentiometer) */
#ifdef CONFIG_STM32_ADC2
# error "CONFIG_STM32_ADC2 is not supported"
#endif
/*******************************************************************************
* Public Data
******************************************************************************/

View File

@ -43,7 +43,38 @@ CONFIG_RAW_BINARY=y
# Debug Options
#
CONFIG_DEBUG_ALERT=y
# CONFIG_DEBUG_FEATURES is not set
CONFIG_DEBUG_FEATURES=y
#
# Debug SYSLOG Output Controls
#
CONFIG_DEBUG_ERROR=y
CONFIG_DEBUG_WARN=y
CONFIG_DEBUG_INFO=y
# CONFIG_DEBUG_ASSERTIONS is not set
#
# Subsystem Debug Options
#
# CONFIG_DEBUG_BINFMT is not set
# CONFIG_DEBUG_FS is not set
# CONFIG_DEBUG_GRAPHICS is not set
# CONFIG_DEBUG_LIB is not set
# CONFIG_DEBUG_MM is not set
# CONFIG_DEBUG_NET is not set
# CONFIG_DEBUG_SCHED is not set
#
# OS Function Debug Options
#
# CONFIG_DEBUG_IRQ is not set
#
# Driver Debug Options
#
# CONFIG_DEBUG_LEDS is not set
# CONFIG_DEBUG_ANALOG is not set
# CONFIG_DEBUG_GPIO is not set
CONFIG_ARCH_HAVE_STACKCHECK=y
# CONFIG_STACK_COLORATION is not set
CONFIG_ARCH_HAVE_HEAPCHECK=y
@ -130,6 +161,7 @@ CONFIG_ARCH_HAVE_CMNVECTOR=y
# CONFIG_ARCH_HAVE_TRUSTZONE is not set
CONFIG_ARM_HAVE_MPU_UNIFIED=y
# CONFIG_ARM_MPU is not set
# CONFIG_DEBUG_HARDFAULT is not set
#
# ARMV7M Configuration Options
@ -365,7 +397,7 @@ CONFIG_STM32_HAVE_SPI3=y
# CONFIG_STM32_HAVE_SPI6 is not set
# CONFIG_STM32_HAVE_SAIPLL is not set
# CONFIG_STM32_HAVE_I2SPLL is not set
# CONFIG_STM32_ADC1 is not set
CONFIG_STM32_ADC1=y
# CONFIG_STM32_ADC2 is not set
# CONFIG_STM32_BKP is not set
# CONFIG_STM32_CAN1 is not set
@ -396,6 +428,7 @@ CONFIG_STM32_USART2=y
# CONFIG_STM32_UART5 is not set
# CONFIG_STM32_IWDG is not set
# CONFIG_STM32_WWDG is not set
CONFIG_STM32_ADC=y
# CONFIG_STM32_NOEXT_VECTORS is not set
#
@ -421,6 +454,10 @@ CONFIG_STM32_JTAG_FULL_ENABLE=y
# CONFIG_STM32_TIM3_CAP is not set
# CONFIG_STM32_TIM4_CAP is not set
# CONFIG_STM32_TIM5_CAP is not set
#
# ADC Configuration
#
CONFIG_STM32_USART=y
CONFIG_STM32_SERIALDRIVER=y
@ -555,7 +592,14 @@ CONFIG_ARCH_HAVE_BUTTONS=y
# Board-Specific Options
#
# CONFIG_BOARD_CRASHDUMP is not set
# CONFIG_LIB_BOARDCTL is not set
CONFIG_LIB_BOARDCTL=y
# CONFIG_BOARDCTL_RESET is not set
# CONFIG_BOARDCTL_UNIQUEID is not set
# CONFIG_BOARDCTL_TSCTEST is not set
CONFIG_BOARDCTL_ADCTEST=y
# CONFIG_BOARDCTL_PWMTEST is not set
# CONFIG_BOARDCTL_GRAPHICS is not set
# CONFIG_BOARDCTL_IOCTL is not set
#
# RTOS Features
@ -693,7 +737,14 @@ CONFIG_ARCH_HAVE_I2CRESET=y
# CONFIG_TIMER is not set
# CONFIG_RTC is not set
# CONFIG_WATCHDOG is not set
# CONFIG_ANALOG is not set
CONFIG_ANALOG=y
CONFIG_ADC=y
CONFIG_ADC_FIFOSIZE=8
# CONFIG_ADC_NO_STARTUP_CONV is not set
# CONFIG_ADC_ADS1242 is not set
# CONFIG_ADC_ADS125X is not set
# CONFIG_ADC_PGA11X is not set
# CONFIG_DAC is not set
# CONFIG_AUDIO_DEVICES is not set
# CONFIG_VIDEO_DEVICES is not set
# CONFIG_BCH is not set
@ -732,6 +783,7 @@ CONFIG_NETDEVICES=y
# CONFIG_NETDEV_MULTINIC is not set
# CONFIG_ARCH_HAVE_NETDEV_STATISTICS is not set
# CONFIG_NETDEV_LATEINIT is not set
# CONFIG_NET_DUMPPACKET is not set
#
# External Ethernet MAC Device Support
@ -762,6 +814,7 @@ CONFIG_ETH0_PHY_DP83848C=y
# CONFIG_ETH0_PHY_LAN8740A is not set
# CONFIG_ETH0_PHY_LAN8742A is not set
# CONFIG_ETH0_PHY_DM9161 is not set
# CONFIG_NETDEV_PHY_DEBUG is not set
# CONFIG_PIPES is not set
# CONFIG_PM is not set
# CONFIG_POWER is not set
@ -800,6 +853,7 @@ CONFIG_SERIAL_NPOLLWAITERS=2
# CONFIG_SERIAL_IFLOWCONTROL is not set
# CONFIG_SERIAL_OFLOWCONTROL is not set
# CONFIG_SERIAL_DMA is not set
# CONFIG_SERIAL_TIOCSERGSTRUCT is not set
CONFIG_ARCH_HAVE_SERIAL_TERMIOS=y
CONFIG_USART2_SERIAL_CONSOLE=y
# CONFIG_OTHER_SERIAL_CONSOLE is not set
@ -938,6 +992,7 @@ CONFIG_NET_IOB=y
CONFIG_IOB_NBUFFERS=24
CONFIG_IOB_BUFSIZE=196
CONFIG_IOB_NCHAINS=8
# CONFIG_IOB_DEBUG is not set
# CONFIG_NET_ARCH_INCR32 is not set
# CONFIG_NET_ARCH_CHKSUM is not set
# CONFIG_NET_STATISTICS is not set
@ -1094,6 +1149,10 @@ CONFIG_BUILTIN_PROXY_STACKSIZE=1024
#
# Examples
#
CONFIG_EXAMPLES_ADC=y
CONFIG_EXAMPLES_ADC_DEVPATH="/dev/adc0"
CONFIG_EXAMPLES_ADC_GROUPSIZE=4
CONFIG_EXAMPLES_ADC_SWTRIG=y
# CONFIG_EXAMPLES_CHAT is not set
# CONFIG_EXAMPLES_CONFIGDATA is not set
# CONFIG_EXAMPLES_DHCPD is not set
@ -1139,6 +1198,7 @@ CONFIG_EXAMPLES_NSH=y
# CONFIG_EXAMPLES_TELNETD is not set
# CONFIG_EXAMPLES_TIFF is not set
# CONFIG_EXAMPLES_TOUCHSCREEN is not set
# CONFIG_EXAMPLES_USBSERIAL is not set
# CONFIG_EXAMPLES_USBTERM is not set
# CONFIG_EXAMPLES_WATCHDOG is not set
# CONFIG_EXAMPLES_WEBSERVER is not set
@ -1297,6 +1357,7 @@ CONFIG_NSH_NETINIT=y
CONFIG_NSH_NETINIT_THREAD=y
CONFIG_NSH_NETINIT_THREAD_STACKSIZE=1568
CONFIG_NSH_NETINIT_THREAD_PRIORITY=80
# CONFIG_NSH_NETINIT_DEBUG is not set
#
# IP Address Configuration

View File

@ -38,4 +38,8 @@
ASRCS =
CSRCS = stm32_boot.c stm32_leds.c
ifeq ($(CONFIG_STM32_ADC),y)
CSRCS += stm32_adc.c
endif
include $(TOPDIR)/configs/Board.mk

View File

@ -0,0 +1,78 @@
/*******************************************************************************
* configs/stm32butterfly2/src/stm32_adc.c
*
* Copyright (C) 2016 Michał Łyszczek. All rights reserved.
* Author: Michał Łyszczek <michal.lyszczek@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************/
/*******************************************************************************
* Included Files
******************************************************************************/
#include <chip.h>
#include <debug.h>
#include <errno.h>
#include <nuttx/config.h>
#include <stm32_adc.h>
/*******************************************************************************
* Public Functions
******************************************************************************/
int board_adc_setup(void)
{
static bool initialized = false;
uint8_t channel[1] = {10};
struct adc_dev_s *adc;
int rv;
if (initialized)
{
return OK;
}
stm32_configgpio(GPIO_ADC12_IN10);
adc = stm32_adcinitialize(1, channel, 1);
if (adc == NULL)
{
aerr("ERROR: Failed to get adc interface\n");
return -ENODEV;
}
if ((rv = adc_register("/dev/adc0", adc)) < 0)
{
aerr("ERROR: adc_register failed: %d\n", rv);
return rv;
}
initialized = true;
return OK;
}

View File

@ -48,3 +48,8 @@ void stm32_boardinitialize(void)
{
stm32_led_initialize();
}
int board_app_initialize(uintptr_t arg)
{
return 0;
}