sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Fixes for STM32 ADC driver on the F4; LC17xx LED initial state

Browse Source 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4257 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-01-03 23:25:49 +00:00
parent f90b79bf8b
commit 93c3e9f7af
6 changed files with 83 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

100
arch/arm/src/stm32/stm32_adc.c
View File

@ -162,7 +162,7 @@ static void adc_timstart(FAR struct stm32_dev_s *priv, bool enable);
static int adc_timinit(FAR struct stm32_dev_s *priv);
#endif
#ifdef CONFIG_ADC_DMA
#ifdef CONFIG_STM32_STM32F40XX
static void adc_startconv(FAR struct stm32_dev_s *priv, bool enable);
#endif
@ -226,7 +226,7 @@ static struct stm32_dev_s g_adcpriv2 =
.intf = 2;
.base = STM32_ADC2_BASE,
#ifdef ADC2_HAVE_TIMER
.trigger = CONFIG_STM32_ADC2_TIMTRIG;
.trigger = CONFIG_STM32_ADC2_TIMTRIG,
.tbase = ADC2_TIMER_BASE,
.extsel = ADC2_EXTSEL_VALUE,
.pclck = ADC2_TIMER_PCLK_FREQUENCY,
@ -253,10 +253,10 @@ static struct stm32_dev_s g_adcpriv3 =
.irq = STM32_IRQ_ADC,
.isr = adc123_interrupt,
#endif
.intf = 3;
.intf = 3,
.base = STM32_ADC3_BASE,
#ifdef ADC3_HAVE_TIMER
.trigger = CONFIG_STM32_ADC3_TIMTRIG;
.trigger = CONFIG_STM32_ADC3_TIMTRIG,
.tbase = ADC3_TIMER_BASE,
.extsel = ADC3_EXTSEL_VALUE,
.pclck = ADC3_TIMER_PCLK_FREQUENCY,
@ -485,27 +485,31 @@ static int adc_timinit(FAR struct stm32_dev_s *priv)
uint16_t ccenable;
uint16_t ccer;
uint16_t egr;
avdbg("Initializing timers extsel = %d\n", priv->extsel);
/* If the timer base address is zero, then this ADC was not configured to
* use a timer.
*/
regval = adc_getreg(priv, STM32_ADC_CR2_OFFSET);
#ifdef CONFIG_STM32_STM32F10XX
if (!priv->tbase)
{
/* Configure the ADC to use the selected timer and timer channel as the trigger
* EXTTRIG: External Trigger Conversion mode for regular channels DISABLE
*/
regval = adc_getreg(priv, STM32_ADC_CR2_OFFSET);
regval &= ~ADC_CR2_EXTTRIG;
adc_putreg(priv, STM32_ADC_CR2_OFFSET, regval);
return OK;
}
else
{
regval = adc_getreg(priv, STM32_ADC_CR2_OFFSET);
regval |= ADC_CR2_EXTTRIG;
}
#endif
/* EXTSEL selection: These bits select the external event used to trigger
* the start of conversion of a regular group. NOTE:
@ -803,14 +807,14 @@ static int adc_timinit(FAR struct stm32_dev_s *priv)
*
****************************************************************************/
#ifdef CONFIG_ADC_DMA
#ifdef CONFIG_STM32_STM32F40XX
static void adc_startconv(struct stm32_dev_s *priv, bool enable)
{
uint32_t regval;
avdbg("enable: %d\n", enable);
regval = adc_getreg(priv, STM32_ADC_CR2_OFFSET);
regval = adc_getreg(priv, STM32_ADC_CR2_OFFSET);
if (enable)
{
/* Start conversion of regular channles */
@ -961,6 +965,7 @@ static void adc_reset(FAR struct adc_dev_s *dev)
uint32_t regval;
int offset;
int i;
int ret;
avdbg("intf: ADC%d\n", priv->intf);
flags = irqsave();
@ -1014,21 +1019,24 @@ static void adc_reset(FAR struct adc_dev_s *dev)
/* Initialize the Analog watchdog enable */
regval |= ADC_CR1_AWDEN;
regval |= (priv->chanlist[0] << ADC_CR1_AWDCH_SHIFT);
/* Enable interrupt flags */
regval |= ADC_CR1_ALLINTS;
adc_putreg(priv, STM32_ADC_CR1_OFFSET, regval);
/* ADC CCR configuration */
#ifdef CONFIG_STM32_STM32F40XX
regval |= adc_getreg(priv, STM32_ADC_CCR_OFFSET);
regval &= ~(ADC_CCR_MULTI_MASK | ADC_CCR_DELAY_MASK | ADC_CCR_DDS | ADC_CCR_DMA_MASK |
ADC_CCR_ADCPRE_MASK | ADC_CCR_VBATE | ADC_CCR_TSVREFE);
regval |= (ADC_CCR_MULTI_NONE | ADC_CCR_DMA_DISABLED | ADC_CCR_ADCPRE_DIV2);
adc_putreg(priv, STM32_ADC_CCR_OFFSET, regval);
/* Enable or disable Overrun interrupt */
regval &= ~ADC_CR1_OVRIE;
/* Set the resolution of the conversion */
regval |= ACD_CR1_RES_12BIT;
#endif
adc_putreg(priv, STM32_ADC_CR1_OFFSET, regval);
/* ADC CR2 Configuration */
@ -1041,22 +1049,15 @@ static void adc_reset(FAR struct adc_dev_s *dev)
/* Set ALIGN (Right = 0) */
regval &= ~ADC_CR2_ALIGN;
adc_putreg(priv, STM32_ADC_CR2_OFFSET, regval);
#if 0
#ifdef CONFIG_STM32_STM32F10XX
/* ADC reset calibaration register */
regval |= ADC_CR2_RSTCAL;
adc_putreg(priv, STM32_ADC_CR2_OFFSET, regval);
usleep(5);
/* A/D Calibration */
regval |= ADC_CR2_CAL;
adc_putreg(priv, STM32_ADC_CR2_OFFSET, regval);
#endif
#ifdef CONFIG_STM32_STM32F40XX
/* External trigger enable for regular channels */
regval |= ACD_CR2_EXTEN_RISING;
#endif
adc_putreg(priv, STM32_ADC_CR2_OFFSET, regval);
/* Configuration of the channel conversions */
regval = adc_getreg(priv, STM32_ADC_SQR3_OFFSET) & ADC_SQR3_RESERVED;
@ -1078,6 +1079,16 @@ static void adc_reset(FAR struct adc_dev_s *dev)
{
regval |= (uint32_t)priv->chanlist[i] << offset;
}
/* ADC CCR configuration */
#ifdef CONFIG_STM32_STM32F40XX
regval = getreg32(STM32_ADC_CCR);
regval &= ~(ADC_CCR_MULTI_MASK | ADC_CCR_DELAY_MASK | ADC_CCR_DDS | ADC_CCR_DMA_MASK |
ADC_CCR_ADCPRE_MASK | ADC_CCR_VBATE | ADC_CCR_TSVREFE);
regval |= (ADC_CCR_MULTI_NONE | ADC_CCR_DMA_DISABLED | ADC_CCR_ADCPRE_DIV2);
putreg32(regval, STM32_ADC_CCR);
#endif
/* Set the number of conversions */
@ -1101,12 +1112,16 @@ static void adc_reset(FAR struct adc_dev_s *dev)
adbg("Error initializing the timers\n");
}
#else
#ifdef CONFIG_STM32_STM32F10XX
/* Set ADON (Again) to start the conversion. Only if Timers are not
* configured as triggers
*/
adc_enable(priv, true);
#endif
#else
adc_startconv(priv, true);
#endif /* CONFIG_STM32_STM32F10XX */
#endif /* ADC_HAVE_TIMER */
irqrestore(flags);
@ -1118,6 +1133,10 @@ static void adc_reset(FAR struct adc_dev_s *dev)
adc_getreg(priv, STM32_ADC_SQR1_OFFSET),
adc_getreg(priv, STM32_ADC_SQR2_OFFSET),
adc_getreg(priv, STM32_ADC_SQR3_OFFSET));
#ifdef CONFIG_STM32_STM32F40XX
avdbg("CCR: 0x%08x\n",
getreg32(STM32_ADC_CCR));
#endif
}
/****************************************************************************
@ -1228,7 +1247,7 @@ static void adc_rxint(FAR struct adc_dev_s *dev, bool enable)
*
****************************************************************************/
static int adc_ioctl(FAR struct adc_dev_s *dev, int cmd, unsigned long arg)
static int adc_ioctl(FAR struct adc_dev_s *dev, int cmd, unsigned long arg)
{
return -ENOTTY;
}
@ -1251,14 +1270,21 @@ static int adc_interrupt(FAR struct adc_dev_s *dev)
uint32_t adcsr;
int32_t value;
/* Identifies the interruption AWD or EOC */
/* Identifies the interruption AWD, OVR or EOC */
adcsr = adc_getreg(priv, STM32_ADC_SR_OFFSET);
if ((adcsr & ADC_SR_AWD) != 0)
{
adbg("WARNING: Analog Watchdog, Value converted out of range!\n");
alldbg("WARNING: Analog Watchdog, Value converted out of range!\n");
}
#ifdef CONFIG_STM32_STM32F40XX
if ((adcsr & ADC_SR_OVR) != 0)
{
alldbg("WARNING: Overrun has ocurred!\n");
}
#endif
/* EOC: End of conversion */
if ((adcsr & ADC_SR_EOC) != 0)

7
configs/olimex-lpc1766stk/src/lpc1766stk_internal.h
View File

@ -127,10 +127,13 @@
* -------------------------------- ---- --------------
* P1[25]/MC1A/MAT1[1] 39 LED1
* P0[4]/I2SRX_CLK/RD2/CAP2[0] 81 LED2/ACC IRQ
*
* LEDs are connected to +3.3V through a diode on one side and must be pulled
* low (through a resistor) on the LPC17xx side in order to illuminuate them.
*/
#define LPC1766STK_LED1 (GPIO_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORT1 | GPIO_PIN25)
#define LPC1766STK_LED2 (GPIO_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORT0 | GPIO_PIN4)
#define LPC1766STK_LED1 (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT1 | GPIO_PIN25)
#define LPC1766STK_LED2 (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT0 | GPIO_PIN4)
/* Buttons GPIO PIN SIGNAL NAME
* -------------------------------- ---- --------------

2
configs/stm3240g-eval/README.txt
View File

@ -603,7 +603,9 @@ Where <subdir> is one of the following:
CONFIG_ADC=y : Enable the generic ADC infrastructure
CONFIG_STM32_ADC3=y : Enable ADC3
CONFIG_STM32_TIM1=y : Enable Timer 1
CONFIG_STM32_TIM1_ADC3=y : Assign timer 1 to driver ADC3 sampling
CONFIG_STM32_ADC3_SAMPLE_FREQUENCY=100 : Select a sampling frequency
See also apps/examples/README.txt

3
configs/stm3240g-eval/src/up_adc.c
View File

@ -40,6 +40,7 @@
#include <nuttx/config.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/analog/adc.h>
@ -136,7 +137,7 @@ int adc_devinit(void)
/* Call stm32_adcinitialize() to get an instance of the ADC interface */
adc = stm32_adcinitialize(1, g_chanlist, ADC3_NCHANNELS);
adc = stm32_adcinitialize(3, g_chanlist, ADC3_NCHANNELS);
if (adc == NULL)
{
adbg("ERROR: Failed to get ADC interface\n");

11
configs/sure-pic32mx/README.txt
View File

@ -329,7 +329,6 @@ PIC32MX Configuration Options
CONFIG_PIC32MX_USBDEV - USB device
CONFIG_PIC32MX_USBHOST - USB host
PIC32MX Configuration Settings
DEVCFG0:
CONFIG_PIC32MX_DEBUGGER - Background Debugger Enable. Default 3 (disabled). The
@ -431,3 +430,13 @@ Where <subdir> is one of the following:
ostest:
This configuration directory, performs a simple OS test using
apps/examples/ostest.
nsh:
Configures the NuttShell (nsh) located at apps/examples/nsh. The
Configuration enables only the serial NSH interface.
The examples/usbterm program can be included as an NSH built-in
function by defined the following in your .config file:
CONFIG_USBEV=y : Enable basic USB device support
CONFIG_PIC32MX_USBDEV=y : Enable PIC32 USB device support

2
drivers/can.c
View File

@ -1,7 +1,7 @@
/****************************************************************************
* drivers/can.c
*
* Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved.
* Copyright (C) 2008-2009, 2011-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without