| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| #include <assert.h> |
| |
| #include "os/mynewt.h" |
| |
| #if MYNEWT_VAL(UART_0) |
| #include <uart/uart.h> |
| #include <uart_hal/uart_hal.h> |
| #endif |
| |
| #include <hal/hal_bsp.h> |
| #include <hal/hal_gpio.h> |
| #include <hal/hal_flash_int.h> |
| #include <hal/hal_timer.h> |
| |
| #if MYNEWT_VAL(SPI_1_MASTER) || MYNEWT_VAL(SPI_1_SLAVE) |
| #include <hal/hal_spi.h> |
| #endif |
| |
| #include <stm32l072xx.h> |
| #include <stm32l0xx_hal_rcc.h> |
| #include <stm32l0xx_hal_pwr.h> |
| #include <stm32l0xx_hal_flash.h> |
| #include <stm32l0xx_hal_gpio_ex.h> |
| #include <mcu/stm32l0_bsp.h> |
| #include "mcu/stm32l0xx_mynewt_hal.h" |
| #include "mcu/stm32_hal.h" |
| #include "hal/hal_i2c.h" |
| |
| #include "bsp/bsp.h" |
| |
| #if MYNEWT_VAL(UART_0) |
| static struct uart_dev hal_uart0; |
| |
| static const struct stm32_uart_cfg uart_cfg[UART_CNT] = { |
| [0] = { |
| .suc_uart = USART2, |
| .suc_rcc_reg = &RCC->APB1ENR, |
| .suc_rcc_dev = RCC_APB1ENR_USART2EN, |
| .suc_pin_tx = MCU_GPIO_PORTA(2), |
| .suc_pin_rx = MCU_GPIO_PORTA(3), |
| .suc_pin_rts = -1, |
| .suc_pin_cts = -1, |
| .suc_pin_af = GPIO_AF4_USART2, |
| .suc_irqn = USART2_IRQn |
| } |
| }; |
| #endif |
| |
| #if MYNEWT_VAL(I2C_0) |
| static struct stm32_hal_i2c_cfg i2c_cfg0 = { |
| .hic_i2c = I2C1, |
| .hic_rcc_reg = &RCC->APB1ENR, |
| .hic_rcc_dev = RCC_APB1ENR_I2C1EN, |
| .hic_pin_sda = MCU_GPIO_PORTB(9), /* PB9 on CN3 */ |
| .hic_pin_scl = MCU_GPIO_PORTB(8), /* PB8 on CN3 */ |
| .hic_pin_af = GPIO_AF4_I2C1, |
| .hic_10bit = 0, |
| .hic_timingr = 0x10420F13, /* FIXME: 100KHz at 8MHz of SysCoreClock */ |
| }; |
| #endif |
| |
| #if MYNEWT_VAL(SPI_1_SLAVE) || MYNEWT_VAL(SPI_1_MASTER) |
| struct stm32_hal_spi_cfg spi1_cfg = { |
| .ss_pin = MCU_GPIO_PORTB(12), |
| .sck_pin = MCU_GPIO_PORTB(13), |
| .miso_pin = MCU_GPIO_PORTB(14), |
| .mosi_pin = MCU_GPIO_PORTB(15), |
| .irq_prio = 2, |
| }; |
| #endif |
| |
| static const struct hal_bsp_mem_dump dump_cfg[] = { |
| [0] = { |
| .hbmd_start = &_ram_start, |
| .hbmd_size = RAM_SIZE |
| }, |
| }; |
| |
| const struct hal_flash * |
| hal_bsp_flash_dev(uint8_t id) |
| { |
| /* |
| * Internal flash mapped to id 0. |
| */ |
| if (id != 0) { |
| return NULL; |
| } |
| return &stm32l0_flash_dev; |
| } |
| |
| const struct hal_bsp_mem_dump * |
| hal_bsp_core_dump(int *area_cnt) |
| { |
| *area_cnt = sizeof(dump_cfg) / sizeof(dump_cfg[0]); |
| return dump_cfg; |
| } |
| |
| void |
| hal_bsp_init(void) |
| { |
| int rc; |
| |
| (void)rc; |
| |
| #if MYNEWT_VAL(UART_0) |
| rc = os_dev_create((struct os_dev *) &hal_uart0, "uart0", |
| OS_DEV_INIT_PRIMARY, 0, uart_hal_init, (void *)&uart_cfg[0]); |
| assert(rc == 0); |
| #endif |
| |
| #if MYNEWT_VAL(TIMER_0) |
| hal_timer_init(0, TIM2); |
| #endif |
| |
| #if MYNEWT_VAL(TIMER_1) |
| hal_timer_init(1, TIM3); |
| #endif |
| |
| #if MYNEWT_VAL(TIMER_2) |
| hal_timer_init(2, TIM21); |
| #endif |
| |
| #if MYNEWT_VAL(SPI_1_MASTER) |
| rc = hal_spi_init(1, &spi1_cfg, HAL_SPI_TYPE_MASTER); |
| assert(rc == 0); |
| #endif |
| |
| #if MYNEWT_VAL(SPI_1_SLAVE) |
| rc = hal_spi_init(1, &spi1_cfg, HAL_SPI_TYPE_SLAVE); |
| assert(rc == 0); |
| #endif |
| |
| #if MYNEWT_VAL(I2C_0) |
| rc = hal_i2c_init(0, &i2c_cfg0); |
| assert(rc == 0); |
| #endif |
| } |
| |
| /** |
| * Returns the configured priority for the given interrupt. If no priority |
| * configured, return the priority passed in |
| * |
| * @param irq_num |
| * @param pri |
| * |
| * @return uint32_t |
| */ |
| uint32_t |
| hal_bsp_get_nvic_priority(int irq_num, uint32_t pri) |
| { |
| /* Add any interrupt priorities configured by the bsp here */ |
| return pri; |
| } |