From 2dad881e22746b8c56e97757e9fcb3928d196bd4 Mon Sep 17 00:00:00 2001 From: Gregory Nutt Date: Mon, 23 Jun 2014 12:13:52 -0600 Subject: Add support for the LPCXpresso's RTC, ADC, DAC, Timer, PWM, and MCPWM. All form Max --- nuttx/configs/lpcxpresso-lpc1768/src/Makefile | 4 +- nuttx/configs/lpcxpresso-lpc1768/src/up_adc.c | 123 +++++++++++++++++++++ nuttx/configs/lpcxpresso-lpc1768/src/up_dac.c | 100 +++++++++++++++++ nuttx/configs/lpcxpresso-lpc1768/src/up_pwm.c | 152 ++++++++++++++++++++++++++ 4 files changed, 377 insertions(+), 2 deletions(-) create mode 100644 nuttx/configs/lpcxpresso-lpc1768/src/up_adc.c create mode 100644 nuttx/configs/lpcxpresso-lpc1768/src/up_dac.c create mode 100644 nuttx/configs/lpcxpresso-lpc1768/src/up_pwm.c (limited to 'nuttx/configs') diff --git a/nuttx/configs/lpcxpresso-lpc1768/src/Makefile b/nuttx/configs/lpcxpresso-lpc1768/src/Makefile index 0ad6b33d2..5bdf9459e 100644 --- a/nuttx/configs/lpcxpresso-lpc1768/src/Makefile +++ b/nuttx/configs/lpcxpresso-lpc1768/src/Makefile @@ -1,7 +1,7 @@ ############################################################################ # configs/lpcxpresso-lpc1768/src/Makefile # -# Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. +# Copyright (C) 2011-2012, 2014 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Redistribution and use in source and binary forms, with or without @@ -38,7 +38,7 @@ CFLAGS += -I$(TOPDIR)/sched ASRCS = -CSRCS = up_boot.c up_leds.c up_ssp.c +CSRCS = up_boot.c up_leds.c up_ssp.c up_adc.c up_dac.c up_pwm.c ifeq ($(CONFIG_NSH_ARCHINIT),y) CSRCS += up_nsh.c diff --git a/nuttx/configs/lpcxpresso-lpc1768/src/up_adc.c b/nuttx/configs/lpcxpresso-lpc1768/src/up_adc.c new file mode 100644 index 000000000..cb5b296b9 --- /dev/null +++ b/nuttx/configs/lpcxpresso-lpc1768/src/up_adc.c @@ -0,0 +1,123 @@ +/************************************************************************************ + * configs/lpcexpresso-1768/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, 2014 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_adc.h" +#include "lpcxpresso_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/nuttx/configs/lpcxpresso-lpc1768/src/up_dac.c b/nuttx/configs/lpcxpresso-lpc1768/src/up_dac.c new file mode 100644 index 000000000..9b54bea18 --- /dev/null +++ b/nuttx/configs/lpcxpresso-lpc1768/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, 2014 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 "lpc17_dac.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 */ diff --git a/nuttx/configs/lpcxpresso-lpc1768/src/up_pwm.c b/nuttx/configs/lpcxpresso-lpc1768/src/up_pwm.c new file mode 100644 index 000000000..88741fd0d --- /dev/null +++ b/nuttx/configs/lpcxpresso-lpc1768/src/up_pwm.c @@ -0,0 +1,152 @@ +/************************************************************************************ + * configs/lpcexpresso-lpc1768/up_pwm.c + * + * Copyright (C) 2014 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 + +#include "chip.h" +#include "up_arch.h" +#include "lpc17_pwm.h" +#include "lpc17_timer.h" +#include "lpcxpresso_internal.h" + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +#ifdef CONFIG_PWM + +FAR struct pwm_lowerhalf_s *lpc17_pwminitialize(int timer); +FAR struct pwm_lowerhalf_s *lpc17_mcpwminitialize(int timer); +FAR struct pwm_lowerhalf_s *lpc17_timerinitialize(int timer); + +/************************************************************************************ + * Private Functions + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/************************************************************************************ + * Name: pwm_devinit + * + * Description: + * All LPC17 architectures must provide the following interface to work with + * examples/pwm. + * + ************************************************************************************/ + +int pwm_devinit(void) +{ + static bool initialized = false; + struct pwm_lowerhalf_s *pwm; + struct pwm_lowerhalf_s *mcpwm; + struct pwm_lowerhalf_s *timer; + int ret; + + /* Have we already initialized? */ + + if (!initialized) + { + /* Call lpc17_pwminitialize() to get an instance of the PWM interface */ + + pwm = lpc17_pwminitialize(0); + if (!pwm) + { + adbg("Failed to get the LPC17XX PWM lower half\n"); + return -ENODEV; + } + + /* Register the PWM driver at "/dev/pwm0" */ + + ret = pwm_register("/dev/pwm0", pwm); + if (ret < 0) + { + adbg("pwm_register failed: %d\n", ret); + return ret; + } + + mcpwm = lpc17_mcpwminitialize(0); + if (!mcpwm) + { + adbg("Failed to get the LPC17XX MOTOR PWM lower half\n"); + return -ENODEV; + } + + /* Register the MOTOR CONTROL PWM driver at "/dev/mcpwm0" */ + + ret = pwm_register("/dev/mcpwm0", mcpwm); + if (ret < 0) + { + adbg("mcpwm_register failed: %d\n", ret); + return ret; + } + + timer = lpc17_timerinitialize(0); + if (!timer) + { + adbg("Failed to get the LPC17XX TIMER lower half\n"); + return -ENODEV; + } + + /* Register the PWM driver at "/dev/timer0" */ + + ret = pwm_register("/dev/timer0", timer); + if (ret < 0) + { + adbg("timer_register failed: %d\n", ret); + return ret; + } + + /* Now we are initialized */ + + initialized = true; + } + + return OK; +} + +#endif /* CONFIG_PWM */ -- cgit v1.2.3