diff --git a/boards/common/nucleo64/include/board.h b/boards/common/nucleo64/include/board.h index 2b5e80a244..e89a24c9d1 100644 --- a/boards/common/nucleo64/include/board.h +++ b/boards/common/nucleo64/include/board.h @@ -33,7 +33,7 @@ extern "C" { * @name LED pin definitions and handlers * @{ */ -#ifdef CPU_MODEL_STM32F302R8 +#ifdef CPU_MODEL_STM32F302R8 || defined(CPU_MODEL_STM32L433RC) #define LED0_PORT GPIOB #define LED0_PIN GPIO_PIN(PORT_B, 13) #define LED0_MASK (1 << 13) diff --git a/boards/nucleo-l433rc/Makefile b/boards/nucleo-l433rc/Makefile new file mode 100644 index 0000000000..4dd17b1d0c --- /dev/null +++ b/boards/nucleo-l433rc/Makefile @@ -0,0 +1,4 @@ +MODULE = board +DIRS = $(RIOTBOARD)/common/nucleo + +include $(RIOTBASE)/Makefile.base diff --git a/boards/nucleo-l433rc/Makefile.dep b/boards/nucleo-l433rc/Makefile.dep new file mode 100644 index 0000000000..7294858272 --- /dev/null +++ b/boards/nucleo-l433rc/Makefile.dep @@ -0,0 +1 @@ +include $(RIOTBOARD)/common/nucleo/Makefile.dep diff --git a/boards/nucleo-l433rc/Makefile.features b/boards/nucleo-l433rc/Makefile.features new file mode 100644 index 0000000000..e2b7533200 --- /dev/null +++ b/boards/nucleo-l433rc/Makefile.features @@ -0,0 +1,16 @@ +# Put defined MCU peripherals here (in alphabetical order) +FEATURES_PROVIDED += periph_gpio +FEATURES_PROVIDED += periph_pwm +FEATURES_PROVIDED += periph_rtc +FEATURES_PROVIDED += periph_rtt +FEATURES_PROVIDED += periph_spi +FEATURES_PROVIDED += periph_timer +FEATURES_PROVIDED += periph_uart + +# load the common Makefile.features for Nucleo boards +include $(RIOTBOARD)/common/nucleo64/Makefile.features + +# The board MPU family (used for grouping by the CI system) +FEATURES_MCU_GROUP = cortex_m4_2 + +-include $(RIOTCPU)/stm32l4/Makefile.features diff --git a/boards/nucleo-l433rc/Makefile.include b/boards/nucleo-l433rc/Makefile.include new file mode 100644 index 0000000000..83fedf0dc9 --- /dev/null +++ b/boards/nucleo-l433rc/Makefile.include @@ -0,0 +1,11 @@ +## the cpu to build for +export CPU = stm32l4 +export CPU_MODEL = stm32l433rc + +# stdio is not available over st-link but on the Arduino TX/RX pins +# A serial to USB converter plugged to the host is required +PORT_LINUX ?= /dev/ttyUSB0 +PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.usbmodem*))) + +# load the common Makefile.include for Nucleo boards +include $(RIOTBOARD)/common/nucleo64/Makefile.include diff --git a/boards/nucleo-l433rc/include/periph_conf.h b/boards/nucleo-l433rc/include/periph_conf.h new file mode 100644 index 0000000000..64e830ee06 --- /dev/null +++ b/boards/nucleo-l433rc/include/periph_conf.h @@ -0,0 +1,220 @@ +/* + * Copyright (C) 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-l433rc STM32 Nucleo-L433RC + * @ingroup boards_common_nucleo64 + * @brief Support for the STM32 Nucleo-L433RC + * @{ + * + * @file + * @brief Peripheral MCU configuration for the nucleo-l433rc board + * + * @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) + +#ifndef CLOCK_LSE +/* 0: no external low speed crystal available, + * 1: external crystal available (always 32.768kHz) + */ +#define CLOCK_LSE (1) +#endif + +/* 0: enable MSI only if HSE isn't available + * 1: always enable MSI (e.g. if USB or RNG is used)*/ +#define CLOCK_MSI_ENABLE (1) + +#ifndef CLOCK_MSI_LSE_PLL +/* 0: disable Hardware auto calibration with LSE + * 1: enable Hardware auto calibration with LSE (PLL-mode) + * Same as with CLOCK_LSE above this defaults to 0 because LSE is + * mandatory for MSI/LSE-trimming to work */ +#define CLOCK_MSI_LSE_PLL (0) +#endif + +/* 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 = TIM2, + .max = 0xffffffff, + .rcc_mask = RCC_APB1ENR1_TIM2EN, + .bus = APB1, + .irqn = TIM2_IRQn + } +}; + +#define TIMER_0_ISR isr_tim2 + +#define TIMER_NUMOF (sizeof(timer_config) / sizeof(timer_config[0])) +/** @} */ + +/** + * @name UART configuration + * @{ + */ +static const uart_conf_t uart_config[] = { + { + .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 = 5, + .dma_chan = 4 +#endif + } +}; + +#define UART_0_ISR (isr_usart1) + +#define UART_NUMOF (sizeof(uart_config) / sizeof(uart_config[0])) +/** @} */ + +/** + * @name PWM configuration + * @{ + */ +static const pwm_conf_t pwm_config[] = { + { + .dev = TIM1, + .rcc_mask = RCC_APB2ENR_TIM1EN, + .chan = { { .pin = GPIO_PIN(PORT_A, 8) /* D9 */, .cc_chan = 0 }, + { .pin = GPIO_UNDEF, .cc_chan = 0 }, + { .pin = GPIO_UNDEF, .cc_chan = 0 }, + { .pin = GPIO_UNDEF, .cc_chan = 0 } }, + .af = GPIO_AF1, + .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 = SPI2, + .mosi_pin = GPIO_PIN(PORT_B, 15), + .miso_pin = GPIO_PIN(PORT_B, 14), + .sclk_pin = GPIO_PIN(PORT_B, 13), + .cs_pin = GPIO_UNDEF, + .af = GPIO_AF5, + .rccmask = RCC_APB1ENR1_SPI2EN, + .apbbus = APB1 + } +}; + +#define SPI_NUMOF (sizeof(spi_config) / sizeof(spi_config[0])) +/** @} */ + +/** + * @name ADC configuration + * @{ + */ +#define ADC_NUMOF (0) +/** @} */ + +/** + * @name RTT configuration + * + * On the STM32Lx platforms, we always utilize the LPTIM1. + * @{ + */ +#define RTT_NUMOF (1) +#define RTT_FREQUENCY (1024U) /* 32768 / 2^n */ +#define RTT_MAX_VALUE (0x0000ffff) /* 16-bit timer */ +/** @} */ + +/** + * @name RTC configuration + * @{ + */ +#define RTC_NUMOF (1) +/** @} */ + +#ifdef __cplusplus +} +#endif + +#endif /* PERIPH_CONF_H */ +/** @} */