93 lines
3.8 KiB
C
93 lines
3.8 KiB
C
/*
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Copyright (C) 2015 Fabio Utzig
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2016 Stéphane D'Alu / Bruno Remond
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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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#include "hal.h"
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#if HAL_USE_PAL || defined(__DOXYGEN__)
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/* RAM Banks
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* (Values are defined in Nordic gcc_startup_nrf51.s)
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*/
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#define NRF_POWER_RAMON_ADDRESS 0x40000524
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#define NRF_POWER_RAMONB_ADDRESS 0x40000554
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#define NRF_POWER_RAMONx_RAMxON_ONMODE_Msk 0x3
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/**
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* @brief PAL setup.
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* @details Digital I/O ports static configuration as defined in @p board.h.
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* This variable is used by the HAL when initializing the PAL driver.
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*/
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const PALConfig pal_default_config =
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{
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.pads = {
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PAL_MODE_UNCONNECTED, /* P0.0 */
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PAL_MODE_UNCONNECTED, /* P0.1 */
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PAL_MODE_UNCONNECTED, /* P0.2 */
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PAL_MODE_UNCONNECTED, /* P0.3 */
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PAL_MODE_UNCONNECTED, /* P0.4 */
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PAL_MODE_UNCONNECTED, /* P0.5 */
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PAL_MODE_UNCONNECTED, /* P0.6 */
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PAL_MODE_OUTPUT_OPENDRAIN, /* P0.7 : SCL */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.8 : UART_RTS */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.9 : UART_TX */
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PAL_MODE_INPUT_PULLUP, /* P0.10: UART_CTS */
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PAL_MODE_INPUT_PULLUP, /* P0.11: UART_RX */
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PAL_MODE_UNCONNECTED, /* P0.12 */
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PAL_MODE_UNCONNECTED, /* P0.13 */
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PAL_MODE_UNCONNECTED, /* P0.14 */
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PAL_MODE_UNCONNECTED, /* P0.15 */
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PAL_MODE_UNCONNECTED, /* P0.16 */
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PAL_MODE_INPUT_PULLUP, /* P0.17: BTN1 */
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PAL_MODE_INPUT_PULLUP, /* P0.18: BTN2 */
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PAL_MODE_INPUT_PULLUP, /* P0.19: BTN3 */
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PAL_MODE_INPUT_PULLUP, /* P0.20: BTN4 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.21: LED1 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.22: LED2 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.23: LED3 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.24: LED4 | SPI_SEL */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.25: SPI_MOSI */
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PAL_MODE_UNCONNECTED, /* P0.26: XTAL (32MHz) */
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PAL_MODE_UNCONNECTED, /* P0.27: XTAL (32MHz) */
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PAL_MODE_INPUT_PULLUP, /* P0.28: SPI_MISO */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.29: SPI_SCK */
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PAL_MODE_OUTPUT_OPENDRAIN, /* P0.30: SDA */
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PAL_MODE_UNCONNECTED, /* P0.31 */
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},
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};
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#endif
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/**
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* @brief Early initialization code.
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* @details This initialization is performed just after reset before BSS and
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* DATA segments initialization.
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*/
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void __early_init(void)
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{
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/* Make sure ALL RAM banks are powered on */
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*(uint32_t *)NRF_POWER_RAMON_ADDRESS |= NRF_POWER_RAMONx_RAMxON_ONMODE_Msk;
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*(uint32_t *)NRF_POWER_RAMONB_ADDRESS |= NRF_POWER_RAMONx_RAMxON_ONMODE_Msk;
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}
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/**
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* @brief Late initialization code.
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* @note This initialization is performed after BSS and DATA segments
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* initialization and before invoking the main() function.
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*/
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void boardInit(void)
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{
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}
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