From 5805e10f74104e3de60470c38d6643d2bdb00fe0 Mon Sep 17 00:00:00 2001 From: Stephane D'Alu Date: Sat, 9 Jul 2016 23:57:48 +0200 Subject: NRF52832 implementation --- os/hal/ports/NRF5/LLD/hal_pal_lld.c | 158 ++++++++++++++++++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 os/hal/ports/NRF5/LLD/hal_pal_lld.c (limited to 'os/hal/ports/NRF5/LLD/hal_pal_lld.c') diff --git a/os/hal/ports/NRF5/LLD/hal_pal_lld.c b/os/hal/ports/NRF5/LLD/hal_pal_lld.c new file mode 100644 index 0000000..cb25ee4 --- /dev/null +++ b/os/hal/ports/NRF5/LLD/hal_pal_lld.c @@ -0,0 +1,158 @@ +/* + Copyright (C) 2015 Fabio Utzig + + Licensed 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. +*/ + +/** + * @file pal_lld.c + * @brief NRF5 PAL subsystem low level driver source. + * + * @addtogroup PAL + * @{ + */ + +#include "osal.h" +#include "hal.h" + +#if (HAL_USE_PAL == TRUE) || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +void _pal_lld_setpadmode(ioportid_t port, uint8_t pad, iomode_t mode) +{ + (void)port; + osalDbgAssert(pad <= 31, "pal_lld_setpadmode() - invalid pad"); + + switch (mode) { + case PAL_MODE_RESET: + case PAL_MODE_UNCONNECTED: + IOPORT1->PIN_CNF[pad] = + (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) | + (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) | + (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos) | + (GPIO_PIN_CNF_INPUT_Disconnect << GPIO_PIN_CNF_INPUT_Pos) | + (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos); + break; + case PAL_MODE_INPUT: + case PAL_MODE_INPUT_ANALOG: + IOPORT1->PIN_CNF[pad] = + (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) | + (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) | + (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos) | + (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | + (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos); + break; + case PAL_MODE_INPUT_PULLUP: + IOPORT1->PIN_CNF[pad] = + (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) | + (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) | + (GPIO_PIN_CNF_PULL_Pullup << GPIO_PIN_CNF_PULL_Pos) | + (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | + (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos); + break; + case PAL_MODE_INPUT_PULLDOWN: + IOPORT1->PIN_CNF[pad] = + (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) | + (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) | + (GPIO_PIN_CNF_PULL_Pulldown << GPIO_PIN_CNF_PULL_Pos) | + (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | + (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos); + break; + case PAL_MODE_OUTPUT_PUSHPULL: + IOPORT1->PIN_CNF[pad] = + (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) | + (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) | + (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos) | + (GPIO_PIN_CNF_INPUT_Disconnect << GPIO_PIN_CNF_INPUT_Pos) | + (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos); + break; + case PAL_MODE_OUTPUT_OPENDRAIN: + IOPORT1->PIN_CNF[pad] = + (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) | + (GPIO_PIN_CNF_DRIVE_S0D1 << GPIO_PIN_CNF_DRIVE_Pos) | + (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos) | + (GPIO_PIN_CNF_INPUT_Disconnect << GPIO_PIN_CNF_INPUT_Pos) | + (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos); + break; + default: + osalDbgAssert(FALSE, "invalid pal mode"); + break; + } +} + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief NRF5 I/O ports configuration. + * + * @param[in] config the NRF5 ports configuration + * + * @notapi + */ +void _pal_lld_init(const PALConfig *config) +{ + uint8_t i; + + for (i = 0; i < TOTAL_GPIO_PADS; i++) { + pal_lld_setpadmode(IOPORT1, i, config->pads[i]); + } +} + +/** + * @brief Pads mode setup. + * @details This function programs a pads group belonging to the same port + * with the specified mode. + * + * @param[in] port the port identifier + * @param[in] mask the group mask + * @param[in] mode the mode + * + * @notapi + */ +void _pal_lld_setgroupmode(ioportid_t port, + ioportmask_t mask, + iomode_t mode) +{ + uint8_t i; + + for (i = 0; i < TOTAL_GPIO_PADS; i++, mask >>= 1) { + if (mask & 1) { + pal_lld_setpadmode(port, i, mode); + } + } +} + +#endif /* HAL_USE_PAL == TRUE */ + +/** @} */ -- cgit v1.2.3