From afc3928a9c359d7fa9dcab8cbc0bbd0111bb23e1 Mon Sep 17 00:00:00 2001 From: Hauke Petersen Date: Thu, 30 Mar 2017 16:57:59 +0200 Subject: [PATCH] boards: added support for nucleo-l476 --- boards/nucleo-l476/Makefile | 3 + boards/nucleo-l476/Makefile.dep | 1 + boards/nucleo-l476/Makefile.features | 13 ++ boards/nucleo-l476/Makefile.include | 6 + boards/nucleo-l476/board.c | 34 ++++ boards/nucleo-l476/dist/openocd.cfg | 5 + boards/nucleo-l476/include/board.h | 37 ++++ boards/nucleo-l476/include/periph_conf.h | 242 +++++++++++++++++++++++ 8 files changed, 341 insertions(+) create mode 100644 boards/nucleo-l476/Makefile create mode 100644 boards/nucleo-l476/Makefile.dep create mode 100644 boards/nucleo-l476/Makefile.features create mode 100644 boards/nucleo-l476/Makefile.include create mode 100644 boards/nucleo-l476/board.c create mode 100644 boards/nucleo-l476/dist/openocd.cfg create mode 100644 boards/nucleo-l476/include/board.h create mode 100644 boards/nucleo-l476/include/periph_conf.h diff --git a/boards/nucleo-l476/Makefile b/boards/nucleo-l476/Makefile new file mode 100644 index 0000000000..f8fcbb53a0 --- /dev/null +++ b/boards/nucleo-l476/Makefile @@ -0,0 +1,3 @@ +MODULE = board + +include $(RIOTBASE)/Makefile.base diff --git a/boards/nucleo-l476/Makefile.dep b/boards/nucleo-l476/Makefile.dep new file mode 100644 index 0000000000..76e2dc17b4 --- /dev/null +++ b/boards/nucleo-l476/Makefile.dep @@ -0,0 +1 @@ +include $(RIOTBOARD)/nucleo-common/Makefile.dep diff --git a/boards/nucleo-l476/Makefile.features b/boards/nucleo-l476/Makefile.features new file mode 100644 index 0000000000..7ab9ac6290 --- /dev/null +++ b/boards/nucleo-l476/Makefile.features @@ -0,0 +1,13 @@ +# Put defined MCU peripherals here (in alphabetical order) +FEATURES_PROVIDED += periph_cpuid +FEATURES_PROVIDED += periph_gpio +FEATURES_PROVIDED += periph_pwm +FEATURES_PROVIDED += periph_spi +FEATURES_PROVIDED += periph_timer +FEATURES_PROVIDED += periph_uart + +# load the common Makefile.features for Nucleo boards +include $(RIOTBOARD)/nucleo-common/Makefile.features + +# The board MPU family (used for grouping by the CI system) +FEATURES_MCU_GROUP = cortex_m4_2 diff --git a/boards/nucleo-l476/Makefile.include b/boards/nucleo-l476/Makefile.include new file mode 100644 index 0000000000..7ca5c424a2 --- /dev/null +++ b/boards/nucleo-l476/Makefile.include @@ -0,0 +1,6 @@ +## the cpu to build for +export CPU = stm32l4 +export CPU_MODEL = stm32l476rg + +# load the common Makefile.include for Nucleo boards +include $(RIOTBOARD)/nucleo-common/Makefile.include diff --git a/boards/nucleo-l476/board.c b/boards/nucleo-l476/board.c new file mode 100644 index 0000000000..e5e9b97ad9 --- /dev/null +++ b/boards/nucleo-l476/board.c @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2017 Freie Universität Berlin + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License v2.1. See the file LICENSE in the top level + * directory for more details. + */ + +/** + * @ingroup boards_nucleo-l476 + * @{ + * + * @file + * @brief Board specific implementations for the nucleo-l476 board + * + * @author Hauke Petersen + * + * @} + */ + +#include "board.h" +#include "periph/gpio.h" + +void board_init(void) +{ + /* initialize the CPU */ + cpu_init(); + + /* initialize the boards LED only if explicitly enabled (pin is already used + * for SPI_DEV(0)) */ +#ifdef AUTO_INIT_LED0 + gpio_init(LED0_PIN, GPIO_OUT); +#endif +} diff --git a/boards/nucleo-l476/dist/openocd.cfg b/boards/nucleo-l476/dist/openocd.cfg new file mode 100644 index 0000000000..79ee8f3fb8 --- /dev/null +++ b/boards/nucleo-l476/dist/openocd.cfg @@ -0,0 +1,5 @@ +source [find interface/stlink-v2-1.cfg] + +transport select hla_swd + +source [find target/stm32l4x.cfg] diff --git a/boards/nucleo-l476/include/board.h b/boards/nucleo-l476/include/board.h new file mode 100644 index 0000000000..b9e442b6a5 --- /dev/null +++ b/boards/nucleo-l476/include/board.h @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2017 Freie Universität Berlin + * 2017 Inria + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License v2.1. See the file LICENSE in the top level + * directory for more details. + */ + +/** + * @defgroup boards_nucleo-l476 Nucleo-L476 + * @ingroup boards + * @brief Board specific files for the nucleo-l476 board + * @{ + * + * @file + * @brief Board specific definitions for the nucleo-l476 board + * + * @author Hauke Petersen + * @author Alexandre Abadie + */ + +#ifndef BOARD_H +#define BOARD_H + +#include "board_common.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* BOARD_H */ +/** @} */ diff --git a/boards/nucleo-l476/include/periph_conf.h b/boards/nucleo-l476/include/periph_conf.h new file mode 100644 index 0000000000..eb1d1b924a --- /dev/null +++ b/boards/nucleo-l476/include/periph_conf.h @@ -0,0 +1,242 @@ +/* + * Copyright (C) 2017 Freie Universität Berlin + * 2017 Inria + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License v2.1. See the file LICENSE in the top level + * directory for more details. + */ + +/** + * @ingroup boards_nucleo-l476 + * @{ + * + * @file + * @brief Peripheral MCU configuration for the nucleo-l476 board + * + * @author Hauke Petersen + * @author Alexandre Abadie + */ + +#ifndef PERIPH_CONF_H +#define PERIPH_CONF_H + +#include "periph_cpu.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @name Clock system configuration + * @{ + */ +/* 0: no external high speed crystal available + * else: actual crystal frequency [in Hz] */ +#define CLOCK_HSE (0) +/* 0: no external low speed crystal available, + * 1: external crystal available (always 32.768kHz) */ +#define CLOCK_LSE (1) +/* give the target core clock (HCLK) frequency [in Hz], maximum: 80MHz */ +#define CLOCK_CORECLOCK (80000000U) +/* PLL configuration: make sure your values are legit! + * + * compute by: CORECLOCK = (((PLL_IN / M) * N) / R) + * with: + * PLL_IN: input clock, HSE or MSI @ 48MHz + * M: pre-divider, allowed range: [1:8] + * N: multiplier, allowed range: [8:86] + * R: post-divider, allowed range: [2,4,6,8] + * + * Also the following constraints need to be met: + * (PLL_IN / M) -> [4MHz:16MHz] + * (PLL_IN / M) * N -> [64MHz:344MHz] + * CORECLOCK -> 80MHz MAX! + */ +#define CLOCK_PLL_M (6) +#define CLOCK_PLL_N (20) +#define CLOCK_PLL_R (2) +/* peripheral clock setup */ +#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1 +#define CLOCK_AHB (CLOCK_CORECLOCK / 1) +#define CLOCK_APB1_DIV RCC_CFGR_PPRE1_DIV4 +#define CLOCK_APB1 (CLOCK_CORECLOCK / 4) +#define CLOCK_APB2_DIV RCC_CFGR_PPRE2_DIV2 +#define CLOCK_APB2 (CLOCK_CORECLOCK / 2) +/** @} */ + +/** + * @name Timer configuration + * @{ + */ +static const timer_conf_t timer_config[] = { + { + .dev = TIM5, + .max = 0xffffffff, + .rcc_mask = RCC_APB1ENR1_TIM5EN, + .bus = APB1, + .irqn = TIM5_IRQn + } +}; + +#define TIMER_0_ISR isr_tim5 + +#define TIMER_NUMOF (sizeof(timer_config) / sizeof(timer_config[0])) +/** @} */ + +/** + * @brief UART configuration + * @{ + */ +static const uart_conf_t uart_config[] = { + { + .dev = USART2, + .rcc_mask = RCC_APB1ENR1_USART2EN, + .rx_pin = GPIO_PIN(PORT_A, 3), + .tx_pin = GPIO_PIN(PORT_A, 2), + .rx_af = GPIO_AF7, + .tx_af = GPIO_AF7, + .bus = APB1, + .irqn = USART2_IRQn, +#ifdef UART_USE_DMA + .dma_stream = 6, + .dma_chan = 4 +#endif + }, + { + .dev = USART3, + .rcc_mask = RCC_APB1ENR1_USART3EN, + .rx_pin = GPIO_PIN(PORT_C, 11), + .tx_pin = GPIO_PIN(PORT_C, 10), + .rx_af = GPIO_AF7, + .tx_af = GPIO_AF7, + .bus = APB1, + .irqn = USART3_IRQn, +#ifdef UART_USE_DMA + .dma_stream = 5, + .dma_chan = 4 +#endif + }, + { + .dev = USART1, + .rcc_mask = RCC_APB2ENR_USART1EN, + .rx_pin = GPIO_PIN(PORT_A, 10), + .tx_pin = GPIO_PIN(PORT_A, 9), + .rx_af = GPIO_AF7, + .tx_af = GPIO_AF7, + .bus = APB2, + .irqn = USART1_IRQn, +#ifdef UART_USE_DMA + .dma_stream = 4, + .dma_chan = 4 +#endif + } +}; + +#define UART_0_ISR (isr_usart2) +#define UART_1_ISR (isr_usart3) +#define UART_2_ISR (isr_usart1) + +#define UART_NUMOF (sizeof(uart_config) / sizeof(uart_config[0])) +/** @} */ + +/** + * @brief PWM configuration + * @{ + */ +static const pwm_conf_t pwm_config[] = { + { + .dev = TIM2, + .rcc_mask = RCC_APB1ENR1_TIM2EN, + .chan = { { .pin = GPIO_PIN(PORT_A, 15), .cc_chan = 0}, + { .pin = GPIO_PIN(PORT_B, 3), .cc_chan = 1}, + { .pin = GPIO_PIN(PORT_B, 10), .cc_chan = 2}, + { .pin = GPIO_PIN(PORT_B, 11), .cc_chan = 3} }, + .af = GPIO_AF1, + .bus = APB1 + }, + { + .dev = TIM3, + .rcc_mask = RCC_APB1ENR1_TIM3EN, + .chan = { { .pin = GPIO_PIN(PORT_B, 4), .cc_chan = 0 }, + { .pin = GPIO_UNDEF, .cc_chan = 0 }, + { .pin = GPIO_UNDEF, .cc_chan = 0 }, + { .pin = GPIO_UNDEF, .cc_chan = 0 } }, + .af = GPIO_AF2, + .bus = APB1 + }, + { + .dev = TIM8, + .rcc_mask = RCC_APB2ENR_TIM8EN, + .chan = { { .pin = GPIO_PIN(PORT_C, 6), .cc_chan = 0}, + { .pin = GPIO_PIN(PORT_C, 7), .cc_chan = 1}, + { .pin = GPIO_PIN(PORT_C, 8), .cc_chan = 2}, + { .pin = GPIO_PIN(PORT_C, 9), .cc_chan = 3} }, + .af = GPIO_AF3, + .bus = APB2 + } +}; + +#define PWM_NUMOF (sizeof(pwm_config) / sizeof(pwm_config[0])) +/** @} */ + +/** + * @name SPI configuration + * + * @note The spi_divtable is auto-generated from + * `cpu/stm32_common/dist/spi_divtable/spi_divtable.c` + * @{ + */ +static const uint8_t spi_divtable[2][5] = { + { /* for APB1 @ 20000000Hz */ + 7, /* -> 78125Hz */ + 5, /* -> 312500Hz */ + 3, /* -> 1250000Hz */ + 1, /* -> 5000000Hz */ + 0 /* -> 10000000Hz */ + }, + { /* for APB2 @ 40000000Hz */ + 7, /* -> 156250Hz */ + 6, /* -> 312500Hz */ + 4, /* -> 1250000Hz */ + 2, /* -> 5000000Hz */ + 1 /* -> 10000000Hz */ + } +}; + +static const spi_conf_t spi_config[] = { + { + .dev = SPI1, + .mosi_pin = GPIO_PIN(PORT_A, 7), + .miso_pin = GPIO_PIN(PORT_A, 6), + .sclk_pin = GPIO_PIN(PORT_A, 5), + .cs_pin = GPIO_UNDEF, + .af = GPIO_AF0, + .rccmask = RCC_APB2ENR_SPI1EN, + .apbbus = APB2 + } +}; + +#define SPI_NUMOF (sizeof(spi_config) / sizeof(spi_config[0])) +/** @} */ + +/** + * @brief ADC configuration + * @{ + */ +#define ADC_NUMOF (0) +/** @} */ + +/** + * @brief DAC configuration + * @{ + */ +#define DAC_NUMOF (0) +/** @} */ + +#ifdef __cplusplus +} +#endif + +#endif /* PERIPH_CONF_H */ +/** @} */