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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-11-01 00:42:39 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-11-01 00:42:39 +0000 |
commit | a440b85be84c22756148426a6c0e8dcf03d47138 (patch) | |
tree | 71f364d48d59e0247ebab4104022f68772bb3cfb /nuttx/configs/olimex-strp711/src | |
parent | 40c5377d94f76f07e30e85f7be5a4892726aba81 (diff) | |
download | px4-nuttx-a440b85be84c22756148426a6c0e8dcf03d47138.tar.gz px4-nuttx-a440b85be84c22756148426a6c0e8dcf03d47138.tar.bz2 px4-nuttx-a440b85be84c22756148426a6c0e8dcf03d47138.zip |
Add support for LEDs and buttons
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1113 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/olimex-strp711/src')
-rw-r--r-- | nuttx/configs/olimex-strp711/src/Makefile | 2 | ||||
-rw-r--r-- | nuttx/configs/olimex-strp711/src/up_buttons.c | 116 | ||||
-rw-r--r-- | nuttx/configs/olimex-strp711/src/up_leds.c | 134 |
3 files changed, 247 insertions, 5 deletions
diff --git a/nuttx/configs/olimex-strp711/src/Makefile b/nuttx/configs/olimex-strp711/src/Makefile index 7fa4565c8..bff294aef 100644 --- a/nuttx/configs/olimex-strp711/src/Makefile +++ b/nuttx/configs/olimex-strp711/src/Makefile @@ -40,7 +40,7 @@ CFLAGS += -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(TOPDIR)/sched ASRCS = AOBJS = $(ASRCS:.S=$(OBJEXT)) -CSRCS = up_spi.c up_leds.c +CSRCS = up_spi.c up_leds.c up_buttons.c COBJS = $(CSRCS:.c=$(OBJEXT)) SRCS = $(ASRCS) $(CSRCS) diff --git a/nuttx/configs/olimex-strp711/src/up_buttons.c b/nuttx/configs/olimex-strp711/src/up_buttons.c new file mode 100644 index 000000000..2ee386daa --- /dev/null +++ b/nuttx/configs/olimex-strp711/src/up_buttons.c @@ -0,0 +1,116 @@ +/**************************************************************************** + * configs/olimex-strp711/src/up_leds.c + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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 <nuttx/config.h> +#include <sys/types.h> + +#include "chip.h" +#include "up_arch.h" +#include "up_internal.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/* The Olimex board has two buttons, one labled "BUT" and the other "WAKEUP" + * + * P1.14: WAKEUP button + * P1.13: BUT button + */ + +#define STR71X_BUTBUTTON_GPIO1 (0x2000) +#define STR71X_WAKEUPBUTTON_GPIO1 (0x4000) +#define STR71X_BOTHBUTTONS_GPIO1 (STR71X_BUTBUTTON_GPIO1|STR71X_WAKEUPBUTTON_GPIO1) + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_buttoninit + ****************************************************************************/ + +#ifdef CONFIG_ARCH_BUTTONS +void up_buttoninit(void) +{ + uint16 reg16; + + /* Configure the GPIO pins as inputs */ + + reg16 = getreg16(STR71X_GPIO1_PC0); + reg16 |= STR71X_BOTHBUTTONS_GPIO1 + putreg16(reg16, STR71X_GPIO1_PC0); + + reg16 = getreg16(STR71X_GPIO1_PC1); + reg16 &= ~STR71X_BOTHBUTTONS_GPIO1 + putreg16(reg16, STR71X_GPIO1_PC1); + + reg16 = getreg16(STR71X_GPIO1_PC2); + reg16 &= ~STR71X_BOTHBUTTONS_GPIO1 + putreg16(reg16, STR71X_GPIO1_PC2); +} + +/**************************************************************************** + * Name: up_buttons + ****************************************************************************/ + +ubyte up_buttons(void) +{ + uint16 reg16 = getreg16(STR71X_GPIO1_PD); + ubyte ret = 0; + + if ((reg16 & STR71X_BUTBUTTON_GPIO1) != 0) + { + ret |= BUT_BUTTON; + } + if ((reg16 & STR71X_WAKEUPBUTTON_GPIO1) != 0) + { + ret |= WAKEUP_BUTTON; + } + return ret; +} +#endif /* CONFIG_ARCH_BUTTONS */ diff --git a/nuttx/configs/olimex-strp711/src/up_leds.c b/nuttx/configs/olimex-strp711/src/up_leds.c index 5014b05e2..873994c68 100644 --- a/nuttx/configs/olimex-strp711/src/up_leds.c +++ b/nuttx/configs/olimex-strp711/src/up_leds.c @@ -48,16 +48,50 @@ * Definitions ****************************************************************************/ +/* There are two LEDs are connected to P1.8 & 9 */ + +#if defined(CONFIG_ARCH_LEDS) && !defined(CONFIG_STR71X_GPIO1) +# error "LEDs require GPIO1" +#endif + +#define STR71X_LED1GPIO1_BIT (0x0100) +#define STR71X_LED2GPIO1_BIT (0x0200) +#define STR71X_LEDGPIO1_BITS (STR71X_LED1GPIO1_BIT|STR71X_LED2GPIO1_BIT) + /**************************************************************************** * Private Data ****************************************************************************/ +static uint16 g_led2set; +static uint16 g_led2clr; + /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** - * Public Funtions + * Name: up_setleds + ****************************************************************************/ + +static void up_setleds(uint16 setbits, uint16 clearbits) +{ + uint16 reg16; + + /* Save the state of LED2 for later */ + + g_led2set = setbits & STR71X_LED2GPIO1_BIT; + g_led2clr = clearbits & STR71X_LED2GPIO1_BIT; + + /* Set and clear bits as directed */ + + reg16 = getreg16(STR71X_GPIO1_PD); + reg16 &= ~clearbits; + reg16 |= setbits; + putreg16(reg16, STR71X_GPIO1_PD); +} + +/**************************************************************************** + * Public Functions ****************************************************************************/ /**************************************************************************** @@ -67,7 +101,27 @@ #ifdef CONFIG_ARCH_LEDS void up_ledinit(void) { -#warning "To be provided" + uint16 reg16; + + /* Set normal function output */ + + reg16 = getreg16(STR71X_GPIO1_PC0); + reg16 |= STR71X_LEDGPIO1_BITS + putreg16(reg16, STR71X_GPIO1_PC0); + + reg16 = getreg16(STR71X_GPIO1_PC1); + reg16 &= ~STR71X_LEDGPIO1_BITS + putreg16(reg16, STR71X_GPIO1_PC1); + + reg16 = getreg16(STR71X_GPIO1_PC2); + reg16 |= STR71X_LEDGPIO1_BITS + putreg16(reg16, STR71X_GPIO1_PC2); + + /* Clear the LEDs (1 clears; 0 sets) */ + + reg16 = getreg16(STR71X_GPIO1_PD); + reg16 |= STR71X_LEDGPIO1_BITS + putreg16(reg16, STR71X_GPIO1_PD); } /**************************************************************************** @@ -76,7 +130,45 @@ void up_ledinit(void) void up_ledon(int led) { -#warning "To be provided" + /* The Olimex board has only two LEDs, so following states are faked as + * follows + * + * SET CLEAR + * LED_STARTED (none) (n/a) + * LED_HEAPALLOCATE LED1 (n/a) + * LED_IRQSENABLED LED1 (n/a) + * LED_STACKCREATED LED1 (n/a) + * LED_INIRQ LED1+LED2 LED1 + * LED_SIGNAL LED1+LED2 LED1 + * LED_ASSERTION LED1+LED2 LED1 + * LED_PANIC LED1+LED2* LED1 + * + * *The previous state of LED2 will be retained + */ + + switch (led) + { + default: + case LED_STARTED: + up_setleds(0, STR71X_LED1GPIO1_BIT|STR71X_LED2GPIO1_BIT); /* Clear LED1&2 */ + break; + + case LED_HEAPALLOCATE: + case LED_IRQSENABLED: + case LED_STACKCREATED: + up_setleds(STR71X_LED1GPIO1_BIT, STR71X_LED2GPIO1_BIT); /* Set LED1, clear LED2 */ + break; + + case LED_INIRQ: + case LED_SIGNAL: + case LED_ASSERTION: + up_setleds(STR71X_LED1GPIO1_BIT|STR71X_LED2GPIO1_BIT, 0); /* Set LED1&2 */ + break; + + case LED_PANIC: + up_setleds(STR71X_LED2GPIO1_BIT|g_led2set, g_led2set); /* Set LED1, preserve LED2 */ + break; + } } /**************************************************************************** @@ -85,6 +177,40 @@ void up_ledon(int led) void up_ledoff(int led) { -#warning "To be provided" + /* The Olimex board has only two LEDs, so following states are faked as + * follows + * + * SET CLEAR + * LED_STARTED (none) (n/a) + * LED_HEAPALLOCATE LED1 (n/a) + * LED_IRQSENABLED LED1 (n/a) + * LED_STACKCREATED LED1 (n/a) + * LED_INIRQ LED1+LED2 LED1 + * LED_SIGNAL LED1+LED2 LED1 + * LED_ASSERTION LED1+LED2 LED1 + * LED_PANIC LED1+LED2* LED1 + * + * *The previous state of LED2 will be retained + */ + + switch (led) + { + default: + case LED_STARTED: + case LED_HEAPALLOCATE: + case LED_IRQSENABLED: + case LED_STACKCREATED: + break; + + case LED_INIRQ: + case LED_SIGNAL: + case LED_ASSERTION: + up_setleds(STR71X_LED1GPIO1_BIT, STR71X_LED2GPIO1_BIT); /* Set LED1, clear LED2 */ + break; + + case LED_PANIC: + up_setleds(g_led2set, STR71X_LED1GPIO1_BIT|g_led2clr); /* Clear LED1, preserve LED2 */ + break; + } } #endif /* CONFIG_ARCH_LEDS */ |