af8a002a10
I2C support for STM32H7 * stm32h7/chip.h: update peripherals * stm32h7x3xx_rcc.h: update definitions * stm32h7x3xx_rcc.c: remove some unused code and configure I2C clocks * stm32h7: add lower half I2C driver (based on F7 I2C driver) * configs/nucleo-h743zi: add LSM303AGR and LSM6DSL configuration * Remove whitespace * sensors/lsm303agr.c, sensors/lsm6dsl.c: add mising include, remove whitespace Approved-by: GregoryN <gnutt@nuttx.org>
322 lines
11 KiB
C
322 lines
11 KiB
C
/************************************************************************************
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* configs/nucleo-h743zi/include/board.h
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*
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* Copyright (C) 2018 Gregory Nutt. All rights reserved.
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* Authors: Gregory Nutt <gnutt@nuttx.org>
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* Simon Laube <simon@leitwert.ch>
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* Mateusz Szafoni <raiden00@railab.me>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __CONFIG_NUCLEO_H743ZI_INCLUDE_BOARD_H
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#define __CONFIG_NUCLEO_H743ZI_INCLUDE_BOARD_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Clocking *************************************************************************/
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/* The Nucleo-144 board provides the following clock sources:
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*
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* MCO: 8 MHz from MCO output of ST-LINK is used as input clock
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* X2: 32.768 KHz crystal for LSE
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* X3: HSE crystal oscillator (not provided)
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*
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* So we have these clock source available within the STM32
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*
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* HSI: 16 MHz RC factory-trimmed
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* LSI: 32 KHz RC
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* HSE: 8 MHz from MCO output of ST-LINK
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* LSE: 32.768 kHz
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*/
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#define STM32_BOARD_XTAL 8000000ul
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#define STM32_HSI_FREQUENCY 16000000ul
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#define STM32_LSI_FREQUENCY 32000
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#define STM32_HSE_FREQUENCY STM32_BOARD_XTAL
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#define STM32_LSE_FREQUENCY 32768
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/* Main PLL Configuration.
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*
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* PLL source is HSE = 8,000,000
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*
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* To use HSE, configure the solder bridges on the board:
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*
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* - SB148, SB8 and SB9 OFF
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* - SB112 and SB149 ON
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*
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* When STM32_HSE_FREQUENCY / PLLM <= 2MHz VCOL must be selected. VCOH otherwise.
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*
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* PLL_VCOx = (STM32_HSE_FREQUENCY / PLLM) * PLLN
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* Subject to:
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*
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* 1 <= PLLM <= 63
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* 4 <= PLLN <= 512
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* 150 MHz <= PLL_VCOL <= 420MHz
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* 192 MHz <= PLL_VCOH <= 836MHz
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*
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* SYSCLK = PLL_VCO / PLLP
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* CPUCLK = SYSCLK / D1CPRE
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* Subject to
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*
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* PLLP1 = {2, 4, 6, 8, ..., 128}
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* PLLP2,3 = {2, 3, 4, ..., 128}
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* CPUCLK <= 400 MHz
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*
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*/
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/* PLL1_VCO = (8,000,000 / 2) * 200 = 800 MHz
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* SYSCLK = 800 MHz / 2 = 400 MHz
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* CPUCLK = 800 MHz / 1 = 400 MHz
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*/
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#define STM32_BOARD_USEHSE
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#define STM32_HSEBYP_ENABLE
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#define STM32_PLLCFG_PLLSRC RCC_PLLCKSELR_PLLSRC_HSE
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/* Wide PLL1, 4 - 8 MHz input, enable DIVP */
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#define STM32_PLLCFG_PLL1CFG (RCC_PLLCFGR_PLL1VCOSEL_WIDE | \
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RCC_PLLCFGR_PLL1RGE_4_8_MHZ | \
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RCC_PLLCFGR_DIVP1EN)
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#define STM32_PLLCFG_PLL1M RCC_PLLCKSELR_DIVM1(2)
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#define STM32_PLLCFG_PLL1N RCC_PLL1DIVR_N1(200)
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#define STM32_PLLCFG_PLL1P RCC_PLL1DIVR_P1(2)
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#define STM32_PLLCFG_PLL1Q RCC_PLL1DIVR_Q1(4)
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#define STM32_PLLCFG_PLL1R RCC_PLL1DIVR_R1(8)
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/* PLL2 */
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#define STM32_PLLCFG_PLL2CFG 0
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#define STM32_PLLCFG_PLL2M 0
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#define STM32_PLLCFG_PLL2N 0
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#define STM32_PLLCFG_PLL2P 0
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#define STM32_PLLCFG_PLL2Q 0
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#define STM32_PLLCFG_PLL2R 0
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/* PLL3 */
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#define STM32_PLLCFG_PLL3CFG 0
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#define STM32_PLLCFG_PLL3M 0
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#define STM32_PLLCFG_PLL3N 0
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#define STM32_PLLCFG_PLL3P 0
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#define STM32_PLLCFG_PLL3Q 0
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#define STM32_PLLCFG_PLL3R 0
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#define STM32_VCO1_FREQUENCY ((STM32_HSE_FREQUENCY / 4) * 200)
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#define STM32_SYSCLK_FREQUENCY (STM32_VCO1_FREQUENCY / 1)
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#define STM32_CPUCLK_FREQUENCY (STM32_SYSCLK_FREQUENCY / 1)
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/* Configure Clock Assignments */
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// TODO ....
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/* Several prescalers allow the configuration of the two AHB buses, the
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* high-speed APB (APB2) and the low-speed APB (APB1) domains. The maximum
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* frequency of the two AHB buses is 216 MHz while the maximum frequency of
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* the high-speed APB domains is 108 MHz. The maximum allowed frequency of
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* the low-speed APB domain is 54 MHz.
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*/
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/* AHB3 clock is SYSCLK (216 MHz) */
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#define STM32_RCC_D1CFGR_HPRE RCC_D1CFGR_HPRE_SYSCLKd2 /* HCLK = SYSCLK / 2 */
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#define STM32_ACLK_FREQUENCY (STM32_CPUCLK_FREQUENCY / 2) /* ACLK in D1, HCLK3 in D1 */
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#define STM32_HCLK_FREQUENCY (STM32_CPUCLK_FREQUENCY / 2) /* HCLK in D2, HCLK4 in D3 */
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#define STM32_BOARD_HCLK STM32_HCLK_FREQUENCY /* same as above, to satisfy compiler */
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/* APB3 clock (PCLK1) is HCLK/4 (54 MHz) */
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#define STM32_RCC_D1CFGR_D1PPRE RCC_D1CFGR_D1PPRE_HCLKd4 /* PCLK1 = HCLK / 4 */
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#define STM32_PCLK3_FREQUENCY (STM32_HCLK_FREQUENCY/4)
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/* APB1 clock is HCLK/4 (54 MHz) */
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#define STM32_RCC_D2CFGR_D2PPRE1 RCC_D2CFGR_D2PPRE1_HCLKd4 /* PCLK1 = HCLK / 4 */
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#define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/4)
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/* APB2 clock is HCLK/4 (54 MHz) */
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#define STM32_RCC_D2CFGR_D2PPRE2 RCC_D2CFGR_D2PPRE2_HCLKd4 /* PCLK1 = HCLK / 4 */
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#define STM32_PCLK2_FREQUENCY (STM32_HCLK_FREQUENCY/4)
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/* APB4 clock is HCLK/4 (54 MHz) */
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#define STM32_RCC_D3CFGR_D3PPRE RCC_D3CFGR_D3PPRE_HCLKd4 /* PCLK1 = HCLK / 4 */
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#define STM32_PCLK4_FREQUENCY (STM32_HCLK_FREQUENCY/4)
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/* I2C123 clock source */
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#define STM32_RCC_D2CCIP2R_I2C123SRC RCC_D2CCIP2R_I2C123SEL_HSI
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/* I2C4 clock source */
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#define STM32_RCC_D2CCIP3R_I2C4SRC RCC_D2CCIP3R_I2C4SEL_HSI
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/* FLASH wait states
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*
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* ------------ ---------- -----------
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* Vcore MAX ACLK WAIT STATES
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* ------------ ---------- -----------
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* 1.15-1.26 V 70 MHz 0
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* (VOS1 level) 140 MHz 1
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* 210 MHz 2
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* 1.05-1.15 V 55 MHz 0
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* (VOS2 level) 110 MHz 1
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* 165 MHz 2
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* 220 MHz 3
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* 0.95-1.05 V 45 MHz 0
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* (VOS3 level) 90 MHz 1
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* 135 MHz 2
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* 180 MHz 3
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* 225 MHz 4
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* ------------ ---------- -----------
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*/
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#define BOARD_FLASH_WAITSTATES 4
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/* LED definitions ******************************************************************/
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/* The Nucleo-144 board has numerous LEDs but only three, LD1 a Green LED, LD2 a Blue
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* LED and LD3 a Red LED, that can be controlled by software. The following
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* definitions assume the default Solder Bridges are installed.
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*
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* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in any way.
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* The following definitions are used to access individual LEDs.
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*/
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/* LED index values for use with board_userled() */
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#define BOARD_LED1 0
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#define BOARD_LED2 1
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#define BOARD_LED3 2
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#define BOARD_NLEDS 3
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#define BOARD_LED_GREEN BOARD_LED1
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#define BOARD_LED_BLUE BOARD_LED2
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#define BOARD_LED_RED BOARD_LED3
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/* LED bits for use with board_userled_all() */
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#define BOARD_LED1_BIT (1 << BOARD_LED1)
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#define BOARD_LED2_BIT (1 << BOARD_LED2)
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#define BOARD_LED3_BIT (1 << BOARD_LED3)
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/* If CONFIG_ARCH_LEDS is defined, the usage by the board port is defined in
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* include/board.h and src/stm32_leds.c. The LEDs are used to encode OS-related
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* events as follows:
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*
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*
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* SYMBOL Meaning LED state
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* Red Green Blue
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* ---------------------- -------------------------- ------ ------ ----*/
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#define LED_STARTED 0 /* NuttX has been started OFF OFF OFF */
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#define LED_HEAPALLOCATE 1 /* Heap has been allocated OFF OFF ON */
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#define LED_IRQSENABLED 2 /* Interrupts enabled OFF ON OFF */
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#define LED_STACKCREATED 3 /* Idle stack created OFF ON ON */
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#define LED_INIRQ 4 /* In an interrupt N/C N/C GLOW */
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#define LED_SIGNAL 5 /* In a signal handler N/C GLOW N/C */
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#define LED_ASSERTION 6 /* An assertion failed GLOW N/C GLOW */
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#define LED_PANIC 7 /* The system has crashed Blink OFF N/C */
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#define LED_IDLE 8 /* MCU is is sleep mode ON OFF OFF */
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/* Thus if the Green LED is statically on, NuttX has successfully booted and
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* is, apparently, running normally. If the Red LED is flashing at
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* approximately 2Hz, then a fatal error has been detected and the system
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* has halted.
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*/
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/* Button definitions ***************************************************************/
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/* The NUCLEO board supports one button: Pushbutton B1, labeled "User", is
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* connected to GPIO PI11. A high value will be sensed when the button is depressed.
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*/
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#define BUTTON_USER 0
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#define NUM_BUTTONS 1
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#define BUTTON_USER_BIT (1 << BUTTON_USER)
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/* Alternate function pin selections ************************************************/
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/* USART3 (Nucleo Virtual Console) */
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#define GPIO_USART3_RX GPIO_USART3_RX_3 /* PD9 */
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#define GPIO_USART3_TX GPIO_USART3_TX_3 /* PD8 */
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/* USART6 (Arduino Serial Shield) */
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#define GPIO_USART6_RX GPIO_USART6_RX_2 /* PG9 */
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#define GPIO_USART6_TX GPIO_USART6_TX_2 /* PG14 */
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/* I2C1 Use Nucleo I2C pins */
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#define GPIO_I2C1_SCL GPIO_I2C1_SCL_2 /* PB8 */
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#define GPIO_I2C1_SDA GPIO_I2C1_SDA_2 /* PB9 */
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/* */
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/************************************************************************************
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* Public Data
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************************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/************************************************************************************
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* Public Function Prototypes
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************************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __CONFIG_NUCLEO_H743ZI_INCLUDE_BOARD_H */
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