From 92eafe4186c4b10f991db998cb483edabb0f2ccf Mon Sep 17 00:00:00 2001 From: Stephane D'Alu Date: Wed, 16 Nov 2016 15:17:35 +0100 Subject: BBC micro:bit board --- os/hal/boards/MICROBIT/board.c | 91 +++++++++++++++++++++++++ os/hal/boards/MICROBIT/board.h | 147 ++++++++++++++++++++++++++++++++++++++++ os/hal/boards/MICROBIT/board.mk | 5 ++ 3 files changed, 243 insertions(+) create mode 100644 os/hal/boards/MICROBIT/board.c create mode 100644 os/hal/boards/MICROBIT/board.h create mode 100644 os/hal/boards/MICROBIT/board.mk (limited to 'os/hal/boards') diff --git a/os/hal/boards/MICROBIT/board.c b/os/hal/boards/MICROBIT/board.c new file mode 100644 index 0000000..12f78e2 --- /dev/null +++ b/os/hal/boards/MICROBIT/board.c @@ -0,0 +1,91 @@ +/* + Copyright (C) 2017 Stéphane D'Alu + + 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. +*/ + +#include "hal.h" + +#if HAL_USE_PAL || defined(__DOXYGEN__) + +/* RAM Banks + * (Values are defined in Nordic gcc_startup_nrf51.s) + */ +#define NRF_POWER_RAMON_ADDRESS 0x40000524 +#define NRF_POWER_RAMONB_ADDRESS 0x40000554 +#define NRF_POWER_RAMONx_RAMxON_ONMODE_Msk 0x3 + +/** + * @brief PAL setup. + * @details Digital I/O ports static configuration as defined in @p board.h. + * This variable is used by the HAL when initializing the PAL driver. + */ +const PALConfig pal_default_config = +{ + .pads = { + PAL_MODE_OUTPUT_OPENDRAIN, /* P0.0 : SCL P19 */ + PAL_MODE_UNCONNECTED, /* P0.1 : PAD1 P2 */ + PAL_MODE_UNCONNECTED, /* P0.2 : PAD2 P1 */ + PAL_MODE_UNCONNECTED, /* P0.3 : PAD3 P0 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.4 : COL1 P3 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.5 : COL2 P4 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.6 : COL3 P10 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.7 : COL4 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.8 : COL5 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.9 : COL6 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.10: COL7 P9 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.11: COL8 P7 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.12: COL9 P6 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.13: ROW1 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.14: ROW2 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.15: ROW3 */ + PAL_MODE_UNCONNECTED, /* P0.16 P16 */ + PAL_MODE_INPUT, /* P0.17: BTN_A P5 */ + PAL_MODE_UNCONNECTED, /* P0.18 P8 */ + PAL_MODE_INPUT, /* P0.19: BTN_RST */ + PAL_MODE_UNCONNECTED, /* P0.20 P12 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.21: SPI_MOSI P15 */ + PAL_MODE_INPUT_PULLUP, /* P0.22: SPI_MISO P14 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.23: SPI_SCK P13 */ + PAL_MODE_OUTPUT_PUSHPULL, /* P0.24: UART_TX */ + PAL_MODE_INPUT_PULLUP, /* P0.25: UART_RX */ + PAL_MODE_INPUT, /* P0.26: BTN_B P11 */ + PAL_MODE_INPUT, /* P0.27: ACC_INT2 */ + PAL_MODE_INPUT, /* P0.28: ACC_INT1 */ + PAL_MODE_INPUT, /* P0.29: MAG_INT1 */ + PAL_MODE_OUTPUT_OPENDRAIN, /* P0.30: SDA P20 */ + PAL_MODE_UNCONNECTED, /* P0.31 */ + }, +}; +#endif + +/** + * @brief Early initialization code. + * @details This initialization is performed just after reset before BSS and + * DATA segments initialization. + */ +void __early_init(void) +{ + /* Make sure ALL RAM banks are powered on */ + *(uint32_t *)NRF_POWER_RAMON_ADDRESS |= NRF_POWER_RAMONx_RAMxON_ONMODE_Msk; + *(uint32_t *)NRF_POWER_RAMONB_ADDRESS |= NRF_POWER_RAMONx_RAMxON_ONMODE_Msk; +} + +/** + * @brief Late initialization code. + * @note This initialization is performed after BSS and DATA segments + * initialization and before invoking the main() function. + */ +void boardInit(void) +{ +} diff --git a/os/hal/boards/MICROBIT/board.h b/os/hal/boards/MICROBIT/board.h new file mode 100644 index 0000000..7798634 --- /dev/null +++ b/os/hal/boards/MICROBIT/board.h @@ -0,0 +1,147 @@ +/* + Copyright (C) 2016 Stephane D'Alu + + 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. +*/ + +#ifndef _BOARD_H_ +#define _BOARD_H_ + +/* + * See: https://www.microbit.co.uk/device/pins + * https://lancaster-university.github.io/microbit-docs/ubit/display/ + */ + +/* Board identifier. */ +#define BOARD_MICROBIT +#define BOARD_NAME "micro:bit" + +/* Board oscillators-related settings. */ +#define NRF51_XTAL_VALUE 16000000 +#define NRF51_LFCLK_SOURCE 0 /* RC oscillator */ + +/* + * IO pins assignments. + */ +#define IOPORT1_P0 3U +#define IOPORT1_P1 2U +#define IOPORT1_P2 1U +#define IOPORT1_P3 4U +#define IOPORT1_P4 5U +#define IOPORT1_P5 17U +#define IOPORT1_P6 12U +#define IOPORT1_P7 11U +#define IOPORT1_P8 18U +#define IOPORT1_P9 10U +#define IOPORT1_P10 6U +#define IOPORT1_P11 26U +#define IOPORT1_P12 20U +#define IOPORT1_P13 23U +#define IOPORT1_P14 22U +#define IOPORT1_P15 21U +#define IOPORT1_P16 16U +#define IOPORT1_P19 0U +#define IOPORT1_P20 30U +#define IOPORT1_BTN_A 17U +#define IOPORT1_BTN_B 26U +#define IOPORT1_BTN_RST 19U +#define IOPORT1_LED_COL_1 4U +#define IOPORT1_LED_COL_2 5U +#define IOPORT1_LED_COL_3 6U +#define IOPORT1_LED_COL_4 7U +#define IOPORT1_LED_COL_5 8U +#define IOPORT1_LED_COL_6 9U +#define IOPORT1_LED_COL_7 10U +#define IOPORT1_LED_COL_8 11U +#define IOPORT1_LED_COL_9 12U +#define IOPORT1_LED_ROW_1 13U +#define IOPORT1_LED_ROW_2 14U +#define IOPORT1_LED_ROW_3 15U +#define IOPORT1_PAD_1 1U +#define IOPORT1_PAD_2 2U +#define IOPORT1_PAD_3 3U +#define IOPORT1_SPI_MOSI 21U +#define IOPORT1_SPI_MISO 22U +#define IOPORT1_SPI_SCK 23U +#define IOPORT1_I2C_SCL 0U +#define IOPORT1_I2C_SDA 30U +#define IOPORT1_UART_TX 24U +#define IOPORT1_UART_RX 25U +#define IOPORT1_ACC_INT1 28U +#define IOPORT1_ACC_INT2 27U +#define IOPORT1_MAG_INT1 29U + + +/* + * IO lines assignments. + */ +#define LINE_P0 PAL_LINE(IOPORT1, IOPORT1_P0) +#define LINE_P1 PAL_LINE(IOPORT1, IOPORT1_P1) +#define LINE_P2 PAL_LINE(IOPORT1, IOPORT1_P2) +#define LINE_P3 PAL_LINE(IOPORT1, IOPORT1_P3) +#define LINE_P4 PAL_LINE(IOPORT1, IOPORT1_P4) +#define LINE_P5 PAL_LINE(IOPORT1, IOPORT1_P5) +#define LINE_P6 PAL_LINE(IOPORT1, IOPORT1_P6) +#define LINE_P7 PAL_LINE(IOPORT1, IOPORT1_P7) +#define LINE_P8 PAL_LINE(IOPORT1, IOPORT1_P8) +#define LINE_P9 PAL_LINE(IOPORT1, IOPORT1_P9) +#define LINE_P10 PAL_LINE(IOPORT1, IOPORT1_P10) +#define LINE_P11 PAL_LINE(IOPORT1, IOPORT1_P11) +#define LINE_P12 PAL_LINE(IOPORT1, IOPORT1_P12) +#define LINE_P13 PAL_LINE(IOPORT1, IOPORT1_P13) +#define LINE_P14 PAL_LINE(IOPORT1, IOPORT1_P14) +#define LINE_P15 PAL_LINE(IOPORT1, IOPORT1_P15) +#define LINE_P16 PAL_LINE(IOPORT1, IOPORT1_P16) +#define LINE_P19 PAL_LINE(IOPORT1, IOPORT1_P19) +#define LINE_P20 PAL_LINE(IOPORT1, IOPORT1_P20) +#define LINE_BTN_A PAL_LINE(IOPORT1, IOPORT1_BTN_A) +#define LINE_BTN_B PAL_LINE(IOPORT1, IOPORT1_BTN_B) +#define LINE_BTN_RST PAL_LINE(IOPORT1, IOPORT1_BTN_RST) +#define LINE_LED_COL_1 PAL_LINE(IOPORT1, IOPORT1_LED_COL_1) +#define LINE_LED_COL_2 PAL_LINE(IOPORT1, IOPORT1_LED_COL_2) +#define LINE_LED_COL_3 PAL_LINE(IOPORT1, IOPORT1_LED_COL_3) +#define LINE_LED_COL_4 PAL_LINE(IOPORT1, IOPORT1_LED_COL_4) +#define LINE_LED_COL_5 PAL_LINE(IOPORT1, IOPORT1_LED_COL_5) +#define LINE_LED_COL_6 PAL_LINE(IOPORT1, IOPORT1_LED_COL_6) +#define LINE_LED_COL_7 PAL_LINE(IOPORT1, IOPORT1_LED_COL_7) +#define LINE_LED_COL_8 PAL_LINE(IOPORT1, IOPORT1_LED_COL_8) +#define LINE_LED_COL_9 PAL_LINE(IOPORT1, IOPORT1_LED_COL_9) +#define LINE_LED_ROW_1 PAL_LINE(IOPORT1, IOPORT1_LED_ROW_1) +#define LINE_LED_ROW_2 PAL_LINE(IOPORT1, IOPORT1_LED_ROW_2) +#define LINE_LED_ROW_3 PAL_LINE(IOPORT1, IOPORT1_LED_ROW_3) +#define LINE_PAD_1 PAL_LINE(IOPORT1, IOPORT1_PAD_1) +#define LINE_PAD_2 PAL_LINE(IOPORT1, IOPORT1_PAD_2) +#define LINE_PAD_3 PAL_LINE(IOPORT1, IOPORT1_PAD_3) +#define LINE_SPI_MOSI PAL_LINE(IOPORT1, IOPORT1_SPI_MOSI) +#define LINE_SPI_MISO PAL_LINE(IOPORT1, IOPORT1_SPI_MISO) +#define LINE_SPI_SCK PAL_LINE(IOPORT1, IOPORT1_SPI_SCK) +#define LINE_I2C_SCL PAL_LINE(IOPORT1, IOPORT1_I2C_SCL) +#define LINE_I2C_SDA PAL_LINE(IOPORT1, IOPORT1_I2C_SDA) +#define LINE_UART_TX PAL_LINE(IOPORT1, IOPORT1_UART_TX) +#define LINE_UART_RX PAL_LINE(IOPORT1, IOPORT1_UART_RX) +#define LINE_ACC_INT1 PAL_LINE(IOPORT1, IOPORT1_ACC_INT1) +#define LINE_ACC_INT2 PAL_LINE(IOPORT1, IOPORT1_ACC_INT2) +#define LINE_MAG_INT1 PAL_LINE(IOPORT1, IOPORT1_MAG_INT1) + + +#if !defined(_FROM_ASM_) +#ifdef __cplusplus +extern "C" { +#endif + void boardInit(void); +#ifdef __cplusplus +} +#endif +#endif /* _FROM_ASM_ */ + +#endif /* _BOARD_H_ */ diff --git a/os/hal/boards/MICROBIT/board.mk b/os/hal/boards/MICROBIT/board.mk new file mode 100644 index 0000000..3595b1a --- /dev/null +++ b/os/hal/boards/MICROBIT/board.mk @@ -0,0 +1,5 @@ +# List of all the board related files. +BOARDSRC = ${CHIBIOS_CONTRIB}/os/hal/boards/MICROBIT/board.c + +# Required include directories +BOARDINC = ${CHIBIOS_CONTRIB}/os/hal/boards/MICROBIT -- cgit v1.2.3