d00616
1b1cf8ff9c
* Fix NRF5_ESB_readMessage, allways enable radio
* NRF5: fixes and improvements
- Compiles with arduino core for nRF52 (primo)
MY_RADIO_NRF5_ESB stays unsupported with primo!
- Split ACK negation flag into
MY_NRF5_ESB_REVERSE_ACK_TX
MY_NRF5_ESB_REVERSE_ACK_RX
- MY_RADIO_NRF5_ESB changes to act more than NRF24
- MY_RADIO_NRF5_ESB better support for powerdown/standby
- Moved initialization from MyMainNRF5 to hwInit()
103 lines
3.7 KiB
C
103 lines
3.7 KiB
C
/*
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Copyright (c) 2015 Arduino LLC. All right reserved.
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Copyright (c) 2016 Sandeep Mistry All right reserved.
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Copyright (c) 2017 Frank Holtz All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "nrf.h"
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#include "Arduino.h"
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#include "nrf5_wiring_constants.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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void nrf5_pinMode(uint32_t ulPin, uint32_t ulMode)
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{
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if (ulPin >= PINS_COUNT) {
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return;
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}
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#ifdef ARDUINO_ARCH_NRF52
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// Arduino: https://github.com/arduino-org/arduino-core-nrf52
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ulPin = g_APinDescription[ulPin].ulPin;
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#else
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// Sandeep Mistry: https://github.com/sandeepmistry/arduino-nRF5
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ulPin = g_ADigitalPinMap[ulPin];
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#endif
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// Set pin mode according to chapter '22.6.3 I/O Pin Configuration'
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switch (ulMode) {
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case INPUT:
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// Set pin to input mode
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NRF_GPIO->PIN_CNF[ulPin] =
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((uint32_t)GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos) |
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((uint32_t)GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) |
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((uint32_t)GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos) |
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((uint32_t)GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) |
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((uint32_t)GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos);
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break;
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case INPUT_PULLUP:
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// Set pin to input mode with pull-up resistor enabled
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NRF_GPIO->PIN_CNF[ulPin] =
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((uint32_t)GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos) |
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((uint32_t)GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) |
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((uint32_t)GPIO_PIN_CNF_PULL_Pullup << GPIO_PIN_CNF_PULL_Pos) |
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((uint32_t)GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) |
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((uint32_t)GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos);
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break;
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case INPUT_PULLDOWN:
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// Set pin to input mode with pull-down resistor enabled
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NRF_GPIO->PIN_CNF[ulPin] =
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((uint32_t)GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos) |
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((uint32_t)GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) |
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((uint32_t)GPIO_PIN_CNF_PULL_Pulldown << GPIO_PIN_CNF_PULL_Pos) |
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((uint32_t)GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) |
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((uint32_t)GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos);
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break;
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case OUTPUT:
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// Set pin to output mode
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NRF_GPIO->PIN_CNF[ulPin] =
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((uint32_t)GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos) |
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((uint32_t)GPIO_PIN_CNF_INPUT_Disconnect << GPIO_PIN_CNF_INPUT_Pos) |
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((uint32_t)GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos) |
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((uint32_t)GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) |
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((uint32_t)GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos);
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break;
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default:
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// calculate nRF specific output modes
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if ((ulMode >= OUTPUT_S0S1) && (ulMode <= OUTPUT_H0D1)) {
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// Set pin to given output mode
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NRF_GPIO->PIN_CNF[ulPin] =
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((uint32_t)GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos) |
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((uint32_t)GPIO_PIN_CNF_INPUT_Disconnect << GPIO_PIN_CNF_INPUT_Pos) |
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((uint32_t)GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos) |
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((uint32_t)(ulMode - OUTPUT_S0S1) << GPIO_PIN_CNF_DRIVE_Pos) |
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((uint32_t)GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos);
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}
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break;
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}
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}
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#ifdef __cplusplus
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}
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#endif
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