[LPC11Uxx]: Initial support for GPIO (PAL)
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@ -487,35 +487,59 @@ typedef struct { /*!< (@ 0x40048000) SYSCON Structure
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} LPC_SYSCON_Type;
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// SYSCON_SYSPLLCTRL
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#define SYSCON_SYSPLLCTRL_MSEL_POS 0U
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#define SYSCON_SYSPLLCTRL_MSEL_MASK 0x1FU << SYSPLLCTRL_MSEL_POS
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#define SYSCON_SYSPLLCTRL_PSEL_POS 5U
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#define SYSCON_SYSPLLCTRL_PSEL_MASK 0x03U << SYSPLLCTRL_PSEL_POS
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#define SYSCON_SYSPLLCTRL_MSEL_POS (0U)
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#define SYSCON_SYSPLLCTRL_MSEL_MASK (0x1FU << SYSPLLCTRL_MSEL_POS)
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#define SYSCON_SYSPLLCTRL_PSEL_POS (5U)
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#define SYSCON_SYSPLLCTRL_PSEL_MASK (0x03U << SYSPLLCTRL_PSEL_POS)
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// SYSCON_SYSPLLSTAT
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#define SYSCON_SYSPLLSTAT_LOCK 0x1
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// SYSCON_SYSPLLCLKSEL
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#define SYSCON_SYSPLLCLKSEL_IRC 0x00U << 0
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#define SYSCON_SYSPLLCLKSEL_SYSOSC 0x01U << 0
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#define SYSCON_SYSPLLCLKSEL_IRC (0x00U << 0)
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#define SYSCON_SYSPLLCLKSEL_SYSOSC (0x01U << 0)
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#define SYSCON_SYSPLLCLKUEN_ENA 0x01
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#define SYSCON_MAINCLKSEL_IRC 0x00U << 0
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#define SYSCON_MAINCLKSEL_PLLIN 0x01U << 0
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#define SYSCON_MAINCLKSEL_WATCHDOG 0x02U << 0
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#define SYSCON_MAINCLKSEL_PLLOUT 0x03U << 0
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#define SYSCON_MAINCLKSEL_IRC (0x00U << 0)
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#define SYSCON_MAINCLKSEL_PLLIN (0x01U << 0)
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#define SYSCON_MAINCLKSEL_WATCHDOG (0x02U << 0)
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#define SYSCON_MAINCLKSEL_PLLOUT (0x03U << 0)
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#define SYSCON_MAINCLKUEN_ENA 0x01
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#define SYS_CON_PDRUNCFG_IRCOUT_PD 0x1U << 0U
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#define SYS_CON_PDRUNCFG_IRC_PD 0x1U << 1U
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#define SYS_CON_PDRUNCFG_FLASH_PD 0x1U << 2U
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#define SYS_CON_PDRUNCFG_BOD_PD 0x1U << 3U
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#define SYS_CON_PDRUNCFG_ADC_PD 0x1U << 4U
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#define SYS_CON_PDRUNCFG_SYSSOC_PD 0x1U << 5U
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#define SYS_CON_PDRUNCFG_WDTOSC_PD 0x1U << 6U
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#define SYS_CON_PDRUNCFG_SYSPLL_PD 0x1U << 7U
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#define SYS_CON_PDRUNCFG_USBPLL_PD 0x1U << 8U
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#define SYS_CON_PDRUNCFG_USBPAD_PD 0x1U << 10U
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#define SYSAHBCLKCTRL_SYS (1U << 0)
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#define SYSAHBCLKCTRL_ROM (1U << 1)
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#define SYSAHBCLKCTRL_RAM0 (1U << 2)
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#define SYSAHBCLKCTRL_FLASHREG (1U << 3)
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#define SYSAHBCLKCTRL_FLASHARRAY (1U << 4)
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#define SYSAHBCLKCTRL_I2C (1U << 5)
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#define SYSAHBCLKCTRL_GPIO (1U << 6)
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#define SYSAHBCLKCTRL_CT16B0 (1U << 7)
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#define SYSAHBCLKCTRL_CT16B1 (1U << 8)
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#define SYSAHBCLKCTRL_CT32B0 (1U << 9)
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#define SYSAHBCLKCTRL_CT32B1 (1U << 10)
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#define SYSAHBCLKCTRL_SSP0 (1U << 11)
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#define SYSAHBCLKCTRL_USART (1U << 12)
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#define SYSAHBCLKCTRL_ADC (1U << 13)
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#define SYSAHBCLKCTRL_USB (1U << 14)
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#define SYSAHBCLKCTRL_WWDT (1U << 15)
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#define SYSAHBCLKCTRL_IOCON (1U << 16)
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#define SYSAHBCLKCTRL_SSP1 (1U << 18)
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#define SYSAHBCLKCTRL_PINT (1U << 19)
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#define SYSAHBCLKCTRL_GROUP0INT (1U << 23)
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#define SYSAHBCLKCTRL_GROUP1INT (1U << 24)
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#define SYSAHBCLKCTRL_RAM1 (1U << 26)
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#define SYSAHBCLKCTRL_USBRAM (1U << 27)
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#define SYSCON_PDRUNCFG_IRCOUT_PD (1U << 0U)
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#define SYSCON_PDRUNCFG_IRC_PD (1U << 1U)
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#define SYSCON_PDRUNCFG_FLASH_PD (1U << 2U)
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#define SYSCON_PDRUNCFG_BOD_PD (1U << 3U)
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#define SYSCON_PDRUNCFG_ADC_PD (1U << 4U)
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#define SYSCON_PDRUNCFG_SYSSOC_PD (1U << 5U)
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#define SYSCON_PDRUNCFG_WDTOSC_PD (1U << 6U)
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#define SYSCON_PDRUNCFG_SYSPLL_PD (1U << 7U)
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#define SYSCON_PDRUNCFG_USBPLL_PD (1U << 8U)
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#define SYSCON_PDRUNCFG_USBPAD_PD (1U << 10U)
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// ------------------------------------------------------------------------------------------------
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// ----- GPIO_PIN_INT -----
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// ------------------------------------------------------------------------------------------------
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@ -0,0 +1,3 @@
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PLATFORMSRC += $(CHIBIOS_CONTRIB)/os/hal/ports/LPC/LLD/GPIO/hal_pal_lld.c
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PLATFORMINC += $(CHIBIOS_CONTRIB)/os/hal/ports/LPC/LLD/GPIO
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@ -0,0 +1,108 @@
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/*
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ChibiOS - Copyright (C) 2020 Yaotian Feng / Codetector
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file hal_pal_lld.c
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* @brief LPC11Uxx PAL subsystem low level driver source.
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*
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* @addtogroup PAL
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* @{
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*/
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#include "hal.h"
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#if (HAL_USE_PAL == TRUE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local variables and types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver interrupt handlers. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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/**
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* @brief LPC1Uxx I/O ports configuration.
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*
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* @notapi
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*/
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void _pal_lld_init(void) {
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// Enable GPIO / IOCON CLK
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LPC_SYSCON->SYSAHBCLKCTRL |= SYSAHBCLKCTRL_GPIO | SYSAHBCLKCTRL_IOCON;
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}
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/**
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* @brief Group Pads mode setup.
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* @details This function programs a pads group belonging to the same port
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* with the specified mode.
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*
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* @param[in] port the port identifier
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* @param[in] mask the group mask
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* @param[in] mode the mode
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*
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* @notapi
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*/
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void _pal_lld_setgroupmode(ioportid_t port,
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ioportmask_t mask,
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iomode_t mode) {
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for (uint8_t i = 0; i < PAL_IOPORTS_WIDTH; ++i)
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{
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if (mask & (1U << i)) {
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_pal_lld_setpadmode(port, i, mode);
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}
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}
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}
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/**
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* @brief Pads mode setup.
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* @details This function programs a pads with the specified mode.
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*
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* @param[in] port the port identifier
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* @param[in] pad the pad id
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* @param[in] mode the mode
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*
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* @notapi
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*/
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void _pal_lld_setpadmode(ioportid_t port, iopadid_t pad, iomode_t mode) {
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((uint32_t *)LPC_IOCON)[(PAL_IOPORTS_WIDTH * LPC_IOPORT_NUM(port)) + pad]
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= mode & MODE_IOCONF_MASK;
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if (mode & MODE_DIR_MASK) {
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LPC_GPIO->DIR[LPC_IOPORT_NUM(port)] |= 1U << pad;
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} else {
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LPC_GPIO->DIR[LPC_IOPORT_NUM(port)] &= ~(1U << pad);
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}
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}
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#endif /* HAL_USE_PAL == TRUE */
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/** @} */
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@ -0,0 +1,383 @@
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/*
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ChibiOS - Copyright (C) 2020 Yaotian Feng / Codetector
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file hal_pal_lld.h
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* @brief LPC11Uxx PAL subsystem low level driver header.
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*
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* @addtogroup PAL
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* @{
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*/
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#ifndef HAL_PAL_LLD_H
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#define HAL_PAL_LLD_H
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#if (HAL_USE_PAL == TRUE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Unsupported modes and specific modes */
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/*===========================================================================*/
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/* Specifies palInit() without parameter, required until all platforms will
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be updated to the new style.*/
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#define PAL_NEW_INIT
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/*===========================================================================*/
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/* I/O Ports Types and constants. */
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/*===========================================================================*/
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/**
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* @name Port related definitions
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* @{
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*/
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/**
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* @brief Width, in bits, of an I/O port.
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*/
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#define PAL_IOPORTS_WIDTH 32U
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/**
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* @brief Whole port mask.
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* @details This macro specifies all the valid bits into a port.
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*/
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#define PAL_WHOLE_PORT ((ioportmask_t)0xFFFFFFFFU)
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/** @} */
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/**
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* @name Line handling macros
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* @{
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*/
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/**
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* @brief Forms a line identifier.
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* @details A port/pad pair are encoded into an @p ioline_t type. The encoding
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* of this type is platform-dependent.
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*/
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#define PAL_LINE(port, pad) \
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((ioline_t)((uint32_t)(port)) | ((uint32_t)(pad)))
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/**
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* @brief Decodes a port identifier from a line identifier.
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*/
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#define PAL_PORT(line) \
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(((uint32_t)(line)) & 0xFFFFFFE0U)
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/**
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* @brief Decodes a pad identifier from a line identifier.
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*/
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#define PAL_PAD(line) \
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(((uint32_t)(line) & 0x0000001FU))
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/**
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* @brief Value identifying an invalid line.
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*/
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#define PAL_NOLINE 0U
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/** @} */
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/**
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* @brief Generic I/O ports static initializer.
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* @details An instance of this structure must be passed to @p palInit() at
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* system startup time in order to initialized the digital I/O
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* subsystem. This represents only the initial setup, specific pads
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* or whole ports can be reprogrammed at later time.
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* @note Implementations may extend this structure to contain more,
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* architecture dependent, fields.
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*/
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typedef struct {
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} PALConfig;
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/**
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* @brief Digital I/O port sized unsigned type.
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*/
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typedef uint32_t ioportmask_t;
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/**
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* @brief Digital I/O modes.
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*/
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typedef uint32_t iomode_t;
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#define MODE_IOCONF_MASK 0xFFFF
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#define MODE_FUNC_POS 0U
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#define MODE_FUNC_MASK (0x7U << MODE_FUNC_POS)
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#define MODE_FUNC_DEFAULT (0x0U << MODE_FUNC_POS)
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#define MODE_FUNC_ALT1 (0x1U << MODE_FUNC_POS)
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#define MODE_FUNC_ALT2 (0x2U << MODE_FUNC_POS)
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#define MODE_FUNC_ALT3 (0x3U << MODE_FUNC_POS)
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#define MODE_FUNC_ALT4 (0x4U << MODE_FUNC_POS)
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#define MODE_FUNC_ALT5 (0x5U << MODE_FUNC_POS)
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#define MODE_FUNC_ALT6 (0x6U << MODE_FUNC_POS)
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#define MODE_FUNC_ALT7 (0x7U << MODE_FUNC_POS)
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#define MODE_MODE_POS 3U
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#define MODE_MODE_MASK (0x3U << MODE_MODE_POS)
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#define MODE_MODE_INACTIVE (0x0U << MODE_MODE_POS)
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#define MODE_MODE_PULL_DOWN (0x1U << MODE_MODE_POS)
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#define MODE_MODE_PULL_UP (0x2U << MODE_MODE_POS)
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#define MODE_MODE_REPEATER (0x3U << MODE_MODE_POS)
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#define MODE_DIR_POS 31U
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#define MODE_DIR_MASK (0x1U << MODE_DIR_POS)
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#define MODE_DIR_IN (0U << MODE_DIR_POS)
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#define MODE_DIR_OUT (1U << MODE_DIR_POS)
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/**
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* @brief Type of an I/O line.
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*/
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typedef uint32_t ioline_t;
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/**
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* @brief Port Identifier.
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* @details This type can be a scalar or some kind of pointer, do not make
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* any assumption about it, use the provided macros when populating
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* variables of this type.
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*/
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typedef uint32_t ioportid_t;
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/**
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* @brief Type of an pad identifier.
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*/
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typedef uint32_t iopadid_t;
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/*===========================================================================*/
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/* I/O Ports Identifiers. */
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/*===========================================================================*/
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/**
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* @brief First I/O port identifier.
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* @details Low level drivers can define multiple ports, it is suggested to
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* use this naming convention.
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*/
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#define LPC_IOPORT_ID(x) (x << 5U)
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#define LPC_IOPORT_NUM(x) (x >> 5U)
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#define IOPORT0 LPC_IOPORT_ID(0)
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#define IOPORT1 LPC_IOPORT_ID(1)
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/*===========================================================================*/
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/* Implementation, some of the following macros could be implemented as */
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/* functions, if so please put them in pal_lld.c. */
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/*===========================================================================*/
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/**
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* @brief Low level PAL subsystem initialization.
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*
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* @notapi
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*/
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#define pal_lld_init() _pal_lld_init()
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/**
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* @brief Reads the physical I/O port states.
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*
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* @param[in] port port identifier
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* @return The port bits.
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*
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* @notapi
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*/
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#define pal_lld_readport(port) \
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(LPC_GPIO->PIN[LPC_IOPORT_NUM(port)])
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/**
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* @brief Reads the output latch.
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* @details The purpose of this function is to read back the latched output
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* value.
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*
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* @param[in] port port identifier
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* @return The latched logical states.
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*
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* @notapi
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*/
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#define pal_lld_readlatch(port) \
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(LPC_GPIO->PIN[LPC_IOPORT_NUM(port)])
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/**
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* @brief Writes a bits mask on a I/O port.
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*
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* @param[in] port port identifier
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* @param[in] bits bits to be written on the specified port
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*
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* @notapi
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*/
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#define pal_lld_writeport(port, bits) \
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do { \
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(LPC_GPIO->PIN[LPC_IOPORT_NUM(port)]) = bits; \
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} while (false)
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/**
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* @brief Pads group mode setup.
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* @details This function programs a pads group belonging to the same port
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* with the specified mode.
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* @note Programming an unknown or unsupported mode is silently ignored.
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*
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* @param[in] port port identifier
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* @param[in] mask group mask
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* @param[in] offset group bit offset within the port
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* @param[in] mode group mode
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*
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* @notapi
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*/
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#define pal_lld_setgroupmode(port, mask, offset, mode) \
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_pal_lld_setgroupmode(port, mask << offset, mode)
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/**
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* @brief Sets a bits mask on a I/O port.
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* @note The @ref PAL provides a default software implementation of this
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* functionality, implement this function if can optimize it by using
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* special hardware functionalities or special coding.
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*
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* @param[in] port port identifier
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* @param[in] bits bits to be ORed on the specified port
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*
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* @notapi
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*/
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#define pal_lld_setport(port, bits) \
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do { \
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(LPC_GPIO->SET[LPC_IOPORT_NUM(port)]) = bits; \
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} while (false)
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/**
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* @brief Clears a bits mask on a I/O port.
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* @note The @ref PAL provides a default software implementation of this
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* functionality, implement this function if can optimize it by using
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* special hardware functionalities or special coding.
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||||
*
|
||||
* @param[in] port port identifier
|
||||
* @param[in] bits bits to be cleared on the specified port
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_clearport(port, bits) \
|
||||
do { \
|
||||
(LPC_GPIO->CLR[LPC_IOPORT_NUM(port)]) = bits; \
|
||||
} while (false)
|
||||
|
||||
|
||||
/**
|
||||
* @brief Toggles a bits mask on a I/O port.
|
||||
* @note The @ref PAL provides a default software implementation of this
|
||||
* functionality, implement this function if can optimize it by using
|
||||
* special hardware functionalities or special coding.
|
||||
*
|
||||
* @param[in] port port identifier
|
||||
* @param[in] bits bits to be XORed on the specified port
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_toggleport(port, bits) \
|
||||
do { \
|
||||
(LPC_GPIO->NOT[LPC_IOPORT_NUM(port)]) = bits; \
|
||||
} while (false)
|
||||
|
||||
/**
|
||||
* @brief Reads a logical state from an I/O pad.
|
||||
* @note The @ref PAL provides a default software implementation of this
|
||||
* functionality, implement this function if can optimize it by using
|
||||
* special hardware functionalities or special coding.
|
||||
*
|
||||
* @param[in] port port identifier
|
||||
* @param[in] pad pad number within the port
|
||||
* @return The logical state.
|
||||
* @retval PAL_LOW low logical state.
|
||||
* @retval PAL_HIGH high logical state.
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_readpad(port, pad) \
|
||||
(LPC_GPIO->B[(PAL_IOPORTS_WIDTH * LPC_IOPORT_NUM(port)) + pad])
|
||||
|
||||
/**
|
||||
* @brief Writes a logical state on an output pad.
|
||||
* @note This function is not meant to be invoked directly by the
|
||||
* application code.
|
||||
* @note The @ref PAL provides a default software implementation of this
|
||||
* functionality, implement this function if can optimize it by using
|
||||
* special hardware functionalities or special coding.
|
||||
*
|
||||
* @param[in] port port identifier
|
||||
* @param[in] pad pad number within the port
|
||||
* @param[in] bit logical value, the value must be @p PAL_LOW or
|
||||
* @p PAL_HIGH
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_writepad(port, pad, bit) \
|
||||
do { \
|
||||
(LPC_GPIO->B[(PAL_IOPORTS_WIDTH * LPC_IOPORT_NUM(port)) + pad]) = bit; \ \
|
||||
} while (false)
|
||||
|
||||
|
||||
/**
|
||||
* @brief Pad mode setup.
|
||||
* @details This function programs a pad with the specified mode.
|
||||
* @note The @ref PAL provides a default software implementation of this
|
||||
* functionality, implement this function if can optimize it by using
|
||||
* special hardware functionalities or special coding.
|
||||
* @note Programming an unknown or unsupported mode is silently ignored.
|
||||
*
|
||||
* @param[in] port port identifier
|
||||
* @param[in] pad pad number within the port
|
||||
* @param[in] mode pad mode
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_setpadmode(port, pad, mode) \
|
||||
_pal_lld_setpadmode(port, pad, mode)
|
||||
|
||||
/**
|
||||
* @brief Returns a PAL event structure associated to a pad.
|
||||
*
|
||||
* @param[in] port port identifier
|
||||
* @param[in] pad pad number within the port
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_get_pad_event(port, pad) \
|
||||
&_pal_events[0]; (void)(port); (void)pad
|
||||
|
||||
/**
|
||||
* @brief Returns a PAL event structure associated to a line.
|
||||
*
|
||||
* @param[in] line line identifier
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
#define pal_lld_get_line_event(line) \
|
||||
&_pal_events[0]; (void)line
|
||||
|
||||
#if !defined(__DOXYGEN__)
|
||||
#if (PAL_USE_WAIT == TRUE) || (PAL_USE_CALLBACKS == TRUE)
|
||||
extern palevent_t _pal_events[1];
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
void _pal_lld_init(void);
|
||||
void _pal_lld_setgroupmode(ioportid_t port,
|
||||
ioportmask_t mask,
|
||||
iomode_t mode);
|
||||
void _pal_lld_setpadmode(ioportid_t port,
|
||||
iopadid_t pad,
|
||||
iomode_t mode);
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* HAL_USE_PAL == TRUE */
|
||||
|
||||
#endif /* HAL_PAL_LLD_H */
|
||||
|
||||
/** @} */
|
||||
|
|
@ -58,7 +58,7 @@
|
|||
#error "Using a wrong mcuconf.h file, LPC11Uxx_MCUCONF not defined"
|
||||
#endif
|
||||
|
||||
#if (defined(LPC_USE_SYSOSC) && LPC_USE_SYSOSC == FALSE) || !defined(LPC_SYSOSC_FREQUENCY)
|
||||
#if defined(LPC_USE_SYSOSC) && LPC_USE_SYSOSC != FALSE && !defined(LPC_SYSOSC_FREQUENCY)
|
||||
#error "LPC_SYSOSC_FREQUENCY must be defined if LPC_USE_SYSOSC"
|
||||
#endif
|
||||
|
||||
|
|
@ -89,7 +89,7 @@ SYSCON_SYSPLLCLKSEL_SYSOSC"
|
|||
// PLL OUT
|
||||
#if defined(LPC_SYSPLL_MULT) && LPC_SYSPLL_MULT > 0 && LPC_SYSPLL_MULT <= 32 \
|
||||
&& defined(LPC_SYSPLL_PDIV) && (LPC_SYSPLL_PDIV == 2 || LPC_SYSPLL_PDIV == 4 \
|
||||
&& LPC_SYSPLL_PDIV == 8 || LPC_SYSPLL_PDIV == 16)
|
||||
|| LPC_SYSPLL_PDIV == 8 || LPC_SYSPLL_PDIV == 16)
|
||||
|
||||
#if LPC_SYSPLL_PDIV == 2
|
||||
#define LPC_SYSPLL_PSEL_VAL 0x0U
|
||||
|
|
@ -99,7 +99,9 @@ SYSCON_SYSPLLCLKSEL_SYSOSC"
|
|||
#define LPC_SYSPLL_PSEL_VAL 0x2U
|
||||
#elif LPC_SYSPLL_PDIV == 16
|
||||
#define LPC_SYSPLL_PSEL_VAL 0x3U
|
||||
#endif
|
||||
#else
|
||||
#error "INVALID PDIV VALUE"
|
||||
#endif //LPC_SYSPLL_PDIV == xx
|
||||
|
||||
#if (LPC_SYSPLLIN_FREQUENCY * LPC_SYSPLL_MULT * LPC_SYSPLL_PDIV < 156000000UL) ||\
|
||||
(LPC_SYSPLLIN_FREQUENCY * LPC_SYSPLL_MULT * LPC_SYSPLL_PDIV > 320000000UL)
|
||||
|
|
|
|||
|
|
@ -7,6 +7,7 @@ PLATFORMINC = ${CHIBIOS}/os/hal/ports/common/ARMCMx \
|
|||
${CHIBIOS_CONTRIB}/os/hal/ports/LPC/LPC11Uxx
|
||||
|
||||
include $(CHIBIOS_CONTRIB)/os/hal/ports/LPC/LLD/STM/driver.mk
|
||||
include $(CHIBIOS_CONTRIB)/os/hal/ports/LPC/LLD/GPIO/driver.mk
|
||||
|
||||
# Shared variables
|
||||
ALLCSRC += $(PLATFORMSRC)
|
||||
|
|
|
|||
Loading…
Reference in New Issue