From d4fcd8fed94336b767b78628584108da286c27ee Mon Sep 17 00:00:00 2001 From: patacongo Date: Sat, 9 Mar 2013 13:29:47 +0000 Subject: [PATCH] ZKIT-ARM-1769 support for ADC and DAC from Rashid git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5723 42af7a65-404d-4744-a932-0658087f49c3 --- configs/zkit-arm-1769/src/Makefile | 8 ++ configs/zkit-arm-1769/src/up_adc.c | 123 +++++++++++++++++++++++++++++ configs/zkit-arm-1769/src/up_dac.c | 100 +++++++++++++++++++++++ 3 files changed, 231 insertions(+) create mode 100644 configs/zkit-arm-1769/src/up_adc.c create mode 100644 configs/zkit-arm-1769/src/up_dac.c diff --git a/configs/zkit-arm-1769/src/Makefile b/configs/zkit-arm-1769/src/Makefile index 8eb8a4f67d..856705614b 100644 --- a/configs/zkit-arm-1769/src/Makefile +++ b/configs/zkit-arm-1769/src/Makefile @@ -51,6 +51,14 @@ ifeq ($(CONFIG_USBMSC),y) CSRCS += up_usbmsc.c endif +ifeq ($(CONFIG_ADC),y) +CSRCS += up_adc.c +endif + +ifeq ($(CONFIG_DAC),y) +CSRCS += up_dac.c +endif + ifeq ($(CONFIG_CAN),y) CSRCS += up_can.c endif diff --git a/configs/zkit-arm-1769/src/up_adc.c b/configs/zkit-arm-1769/src/up_adc.c new file mode 100644 index 0000000000..1e7b9b7dad --- /dev/null +++ b/configs/zkit-arm-1769/src/up_adc.c @@ -0,0 +1,123 @@ +/************************************************************************************ + * configs/zkit-arm-1769/src/up_adc.c + * arch/arm/src/board/up_adc.c + * + * Copyright (C) 2013 Zilogic Systems. All rights reserved. + * Author: Kannan + * + * Based on configs/stm3220g-eval/src/up_adc.c + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 + +#include +#include + +#include +#include + +#include "chip.h" +#include "up_arch.h" + +#include "lpc17_pwm.h" +#include "zkitarm_internal.h" + +#ifdef CONFIG_ADC + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/************************************************************************************ + * Private Data + ************************************************************************************/ + +/************************************************************************************ + * Private Functions + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/************************************************************************************ + * Name: adc_devinit + * + * Description: + * All LPC17 architectures must provide the following interface to work with + * examples/adc. + * + ************************************************************************************/ + +int adc_devinit(void) +{ + static bool initialized = false; + struct adc_dev_s *adc; + int ret; + + /* Check if we have already initialized */ + + if (!initialized) + { + /* Call lpc17_adcinitialize() to get an instance of the ADC interface */ + + adc = lpc17_adcinitialize(); + if (adc == NULL) + { + adbg("ERROR: Failed to get ADC interface\n"); + return -ENODEV; + } + + /* Register the ADC driver at "/dev/adc0" */ + + ret = adc_register("/dev/adc0", adc); + if (ret < 0) + { + adbg("adc_register failed: %d\n", ret); + return ret; + } + + /* Now we are initialized */ + + initialized = true; + } + + return OK; +} + +#endif /* CONFIG_ADC */ diff --git a/configs/zkit-arm-1769/src/up_dac.c b/configs/zkit-arm-1769/src/up_dac.c new file mode 100644 index 0000000000..a6f5db7cef --- /dev/null +++ b/configs/zkit-arm-1769/src/up_dac.c @@ -0,0 +1,100 @@ +/************************************************************************************ + * configs/zkit-arm-1769/src/up_dac.c + * arch/arm/src/board/up_dac.c + * + * Copyright (C) 2013 Zilogic Systems. All rights reserved. + * Author: Kannan + * + * Based on configs/stm3220g-eval/src/up_dac.c + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 + +#include +#include + +#include +#include + +#include "up_arch.h" +#include "up_internal.h" + +#include "zkitarm_internal.h" + +#ifdef CONFIG_DAC + +/************************************************************************************ + * Name: dac_devinit + * + * Description: + * All LPC17xx architectures must provide the following interface to work with + * examples/diag. + * + ************************************************************************************/ + +int dac_devinit(void) +{ + static bool initialized = false; + struct dac_dev_s *dac; + int ret; + + if (!initialized) + { + /* Call lpc17_dacinitialize() to get an instance of the dac interface */ + + dac = lpc17_dacinitialize(); + if (dac == NULL) + { + adbg("ERROR: Failed to get dac interface\n"); + return -ENODEV; + } + + ret = dac_register("/dev/dac0", dac); + if (ret < 0) + { + adbg("dac_register failed: %d\n", ret); + return ret; + } + + initialized = true; + } + + return OK; +} + +#endif /* CONFIG_DAC */