92 lines
3.8 KiB
C
92 lines
3.8 KiB
C
/*
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Copyright (C) 2017 Stéphane D'Alu
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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_OUTPUT_OPENDRAIN, /* P0.0 : SCL P19 */
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PAL_MODE_UNCONNECTED, /* P0.1 : PAD1 P2 */
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PAL_MODE_UNCONNECTED, /* P0.2 : PAD2 P1 */
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PAL_MODE_UNCONNECTED, /* P0.3 : PAD3 P0 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.4 : COL1 P3 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.5 : COL2 P4 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.6 : COL3 P10 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.7 : COL4 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.8 : COL5 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.9 : COL6 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.10: COL7 P9 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.11: COL8 P7 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.12: COL9 P6 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.13: ROW1 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.14: ROW2 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.15: ROW3 */
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PAL_MODE_UNCONNECTED, /* P0.16 P16 */
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PAL_MODE_INPUT, /* P0.17: BTN_A P5 */
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PAL_MODE_UNCONNECTED, /* P0.18 P8 */
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PAL_MODE_INPUT, /* P0.19: BTN_RST */
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PAL_MODE_UNCONNECTED, /* P0.20 P12 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.21: SPI_MOSI P15 */
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PAL_MODE_INPUT_PULLUP, /* P0.22: SPI_MISO P14 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.23: SPI_SCK P13 */
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PAL_MODE_OUTPUT_PUSHPULL, /* P0.24: UART_TX */
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PAL_MODE_INPUT_PULLUP, /* P0.25: UART_RX */
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PAL_MODE_INPUT, /* P0.26: BTN_B P11 */
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PAL_MODE_INPUT, /* P0.27: ACC_INT2 */
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PAL_MODE_INPUT, /* P0.28: ACC_INT1 */
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PAL_MODE_INPUT, /* P0.29: MAG_INT1 */
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PAL_MODE_OUTPUT_OPENDRAIN, /* P0.30: SDA P20 */
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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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