diff --git a/configs/nucleo-l496zg/include/board.h b/configs/nucleo-l496zg/include/board.h index 7cfbf844f6c..e85d94a17f2 100644 --- a/configs/nucleo-l496zg/include/board.h +++ b/configs/nucleo-l496zg/include/board.h @@ -194,6 +194,25 @@ #endif +/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx + * otherwise frequency is 2xAPBx. + * Note: TIM1,8,15,16,17 are on APB2, others on APB1 + */ + +#define BOARD_TIM1_FREQUENCY STM32L4_HCLK_FREQUENCY +#define BOARD_TIM2_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2) +#define BOARD_TIM3_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2) +#define BOARD_TIM4_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2) +#define BOARD_TIM5_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2) +#define BOARD_TIM6_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2) +#define BOARD_TIM7_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2) +#define BOARD_TIM8_FREQUENCY STM32L4_HCLK_FREQUENCY +#define BOARD_TIM15_FREQUENCY STM32L4_HCLK_FREQUENCY +#define BOARD_TIM16_FREQUENCY STM32L4_HCLK_FREQUENCY +#define BOARD_TIM17_FREQUENCY STM32L4_HCLK_FREQUENCY +#define BOARD_LPTIM1_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2) +#define BOARD_LPTIM2_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2) + /* SDMMC dividers. Note that slower clocking is required when DMA is disabled * in order to avoid RX overrun/TX underrun errors due to delayed responses * to service FIFOs in interrupt driven mode. These values have not been diff --git a/configs/nucleo-l496zg/src/Makefile b/configs/nucleo-l496zg/src/Makefile index d30f3bc75e0..1ae9cc1d70c 100644 --- a/configs/nucleo-l496zg/src/Makefile +++ b/configs/nucleo-l496zg/src/Makefile @@ -61,6 +61,10 @@ ifeq ($(CONFIG_ADC),y) CSRCS += stm32_adc.c endif +ifeq ($(CONFIG_DAC),y) +CSRCS += stm32_dac.c +endif + ifeq ($(CONFIG_MMCSD),y) CSRCS += stm32_sdio.c endif diff --git a/configs/nucleo-l496zg/src/nucleo-144.h b/configs/nucleo-l496zg/src/nucleo-144.h index fc4bc9381c3..74ff14a0cc5 100644 --- a/configs/nucleo-l496zg/src/nucleo-144.h +++ b/configs/nucleo-l496zg/src/nucleo-144.h @@ -281,5 +281,17 @@ void stm32_usbinitialize(void); int stm32_adc_setup(void); #endif +/************************************************************************************ + * Name: stm32_dac_setup + * + * Description: + * Initialize DAC and register the DAC driver. + * + ************************************************************************************/ + +#ifdef CONFIG_DAC +int stm32_dac_setup(void); +#endif + #endif /* __ASSEMBLY__ */ #endif /* __CONFIGS_NUCLEO_L496ZG_SRC_NUCLEO_144_H */ diff --git a/configs/nucleo-l496zg/src/stm32_appinitialize.c b/configs/nucleo-l496zg/src/stm32_appinitialize.c index a37ba99f127..0d21b280e39 100644 --- a/configs/nucleo-l496zg/src/stm32_appinitialize.c +++ b/configs/nucleo-l496zg/src/stm32_appinitialize.c @@ -132,6 +132,16 @@ int board_app_initialize(uintptr_t arg) } #endif +#ifdef CONFIG_DAC + /* Initialize DAC and register the DAC driver. */ + + ret = stm32_dac_setup(); + if (ret < 0) + { + syslog(LOG_ERR, "ERROR: stm32_dac_setup failed: %d\n", ret); + } +#endif + #if defined(CONFIG_FAT_DMAMEMORY) if (stm32_dma_alloc_init() < 0) { diff --git a/configs/nucleo-l496zg/src/stm32_dac.c b/configs/nucleo-l496zg/src/stm32_dac.c new file mode 100644 index 00000000000..cc53b76b192 --- /dev/null +++ b/configs/nucleo-l496zg/src/stm32_dac.c @@ -0,0 +1,117 @@ +/***************************************************************************** + * configs/nucleo-l496zg/src/stm32_dac.c + * + * Copyright (C) 2017 Haltian Ltd. All rights reserved. + * Authors: Juha Niskanen + * + * 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 "stm32l4_gpio.h" +#include "stm32l4_dac.h" +#include "nucleo-144.h" + +#ifdef CONFIG_DAC + +/************************************************************************************ + * Private Data + ************************************************************************************/ + +#ifdef CONFIG_STM32L4_DAC1 +static struct dac_dev_s *g_dac1; +#endif + +#ifdef CONFIG_STM32L4_DAC2 +static struct dac_dev_s *g_dac2; +#endif + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/************************************************************************************ + * Name: stm32_dac_setup + ************************************************************************************/ + +int stm32_dac_setup(void) +{ + static bool initialized = false; + + if (!initialized) + { + int ret; + +#ifdef CONFIG_STM32L4_DAC1 + g_dac1 = stm32l4_dacinitialize(0); + if (g_dac1 == NULL) + { + aerr("ERROR: Failed to get DAC1 interface\n"); + return -ENODEV; + } + + ret = dac_register("/dev/dac0", g_dac1); + if (ret < 0) + { + aerr("ERROR: dac_register failed: %d\n", ret); + return ret; + } +#endif +#ifdef CONFIG_STM32L4_DAC2 + g_dac2 = stm32l4_dacinitialize(1); + if (g_dac2 == NULL) + { + aerr("ERROR: Failed to get DAC2 interface\n"); + return -ENODEV; + } + + ret = dac_register("/dev/dac1", g_dac2); + if (ret < 0) + { + aerr("ERROR: dac_register failed: %d\n", ret); + return ret; + } +#endif + UNUSED(ret); + initialized = true; + } + + return OK; +} +#endif /* CONFIG_DAC */