arch/arm/src/max326xx: Add encodings that will be needed for GPIO pin configurations.
This commit is contained in:
Gregory Nutt
parent
61fd244fd3
commit
6d5c1ec64f
@ -58,7 +58,7 @@
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#define MAX326_GPIO_INTPOL_OFFSET 0x002c /* Interrupt Polarity Select
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* Register */
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#define MAX326_GPIO_INTEN_OFFSET 0x0034 /* Interrupt Enable Register */
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#define MAX326_GPIO_INTFL_OFFSET 0x0040 /*1C Interrupt Flag Register */
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#define MAX326_GPIO_INTFL_OFFSET 0x0040 /* Interrupt Flag Register */
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#define MAX326_GPIO_WAKEEN_OFFSET 0x004c /* Wakeup Enable Register */
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#define MAX326_GPIO_INTDUALEDGE_OFFSET 0x005c /* Dual Edge Select Interrupt
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* Register */
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@ -126,7 +126,7 @@
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#define GPIO_INTEN(n) (1 << (n)) /* GPIO Pin n interrupt enabled */
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/*1C Interrupt Flag Register */
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/* Interrupt Flag Register */
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#define GPIO_INTFL(n) (1 << (n)) /* GPIO Pin n interrupt pending */
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189
arch/arm/src/max326xx/max32660_gpio.h
Normal file
189
arch/arm/src/max326xx/max32660_gpio.h
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@ -0,0 +1,189 @@
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/************************************************************************************
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* arch/arm/src/max326xx/max32660_gpio.h
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*
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* Copyright (C) 2018 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_ARM_SRC_MAX326XX_MAX32660_GPIO_H
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#define __ARCH_ARM_SRC_MAX326XX_MAX32660_GPIO_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Bit-encoded input to max326_gpio_config() ******************************************/
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/* 16-Bit Encoding: FFFF WRRV HSDD NNNN
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*
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* Pin Function: FFFF
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* Wakeup: W
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* Pin Pull Up/Down: RR
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* Initial Value: V (output pins)
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* Input Hysteresis: H
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* Slew Rate: S
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* Drive Strength: DD
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* Port Number: (implicitly 0)
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* Pin Number: NNNN (0-13)
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*/
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/* Pin Function bits:
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* Only meaningful when the GPIO function is GPIO_PIN
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*
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* FFFF .... .... ....
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*/
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#define GPIO_FUNC_SHIFT (11) /* Bits 12-15: Pin Function */
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#define GPIO_FUNC_MASK (15 << GPIO_FUNC_SHIFT)
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# define GPIO_INPUT (0 << GPIO_FUNC_SHIFT) /* 0000 GPIO input pin */
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# define GPIO_OUTPUT (1 << GPIO_FUNC_SHIFT) /* 0001 GPIO output pin */
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# define GPIO_ALT0 (4 << GPIO_FUNC_SHIFT) /* 0100 GPIO Alternate function 0 */
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# define GPIO_ALT1 (5 << GPIO_FUNC_SHIFT) /* 0101 GPIO Alternate function 1 */
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# define GPIO_ALT2 (6 << GPIO_FUNC_SHIFT) /* 0110 GPIO Alternate function 2 */
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# define GPIO_ALT3 (7 << GPIO_FUNC_SHIFT) /* 0111 GPIO Alternate function 3 */
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# define GPIO_INTFE (9 << GPIO_FUNC_SHIFT) /* 1001 GPIO interrupt falling edge */
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# define GPIO_INTRE (10 << GPIO_FUNC_SHIFT) /* 1010 GPIO interrupt rising edge */
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# define GPIO_INTBOTH (11 << GPIO_FUNC_SHIFT) /* 1011 GPIO interrupt both edges */
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# define GPIO_INTLOW (13 << GPIO_FUNC_SHIFT) /* 1101 GPIO interrupt low level */
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# define GPIO_INTHIGH (14 << GPIO_FUNC_SHIFT) /* 1110 GPIO interrupt high level */
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/* Bit encoding */
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#define GPIO_GPIO_MASK (0xc << GPIO_FUNC_SHIFT) /* 11xx */
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#define GPIO_GPIO_CODE (0x0 << GPIO_FUNC_SHIFT) /* 00xx */
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#define GPIO_ALT_MASK (0xc << GPIO_FUNC_SHIFT) /* 11xx */
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#define GPIO_ALT_CODE (0x4 << GPIO_FUNC_SHIFT) /* 01xx */
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#define GPIO_INTR_MASK (0x8 << GPIO_FUNC_SHIFT) /* 1xxx */
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#define GPIO_INTR_CODE (0x8 << GPIO_FUNC_SHIFT) /* 1xxx */
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#define GPIO_INTEDGE_MASK (0xc << GPIO_FUNC_SHIFT) /* 11xx */
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#define GPIO_INTEDGE_CODE (0x8 << GPIO_FUNC_SHIFT) /* 10xx */
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#define GPIO_INTLVL_MASK (0xc << GPIO_FUNC_SHIFT) /* 11xx */
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#define GPIO_INTLVL_CODE (0xc << GPIO_FUNC_SHIFT) /* 11xx */
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#define GPIO_IS_GPIO(ps) (((uint16_t)(ps) & GPIO_GPIO_MASK) == GPIO_GPIO_CODE)
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#define GPIO_IS_ALT(ps) (((uint16_t)(ps) & GPIO_ALT_MASK) == GPIO_ALT_CODE)
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#define GPIO_IS_INTR(ps) (((uint16_t)(ps) & GPIO_ALT_MASK) == GPIO_ALT_CODE)
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#define GPIO_IS_INTEDGE(ps) (((uint16_t)(ps) & GPIO_INTEDGE_MASK) == GPIO_INTEDGE_CODE)
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#define GPIO_IS_INTLVL(ps) (((uint16_t)(ps) & GPIO_INTLVL_MASK) == GPIO_INTLVL_CODE)
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/* Wake-UP:
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*
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* .... W... .... ....
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*/
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#define GPIO_WAKEUP (1 << 11) /* Bit 11: Wakeup Enable */
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/* Pin Pull Up/Down: PP
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*
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* .... .RR. .... ....
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*/
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#define GPIO_MODE_SHIFT (9) /* Bits 9-10: Pin pull up/down mode */
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#define GPIO_MODE_MASK (3 << GPIO_MODE_SHIFT)
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# define GPIO_FLOAT (0 << GPIO_MODE_SHIFT) /* Neither pull-up nor -down */
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# define GPIO_PULLDOWN (1 << GPIO_MODE_SHIFT) /* Pull-down resistor enabled */
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# define GPIO_PULLUP (2 << GPIO_MODE_SHIFT) /* Pull-up resistor enabled */
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/* Initial value: V
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*
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* .... ...V .... ....
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*/
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#define GPIO_VALUE (1 << 8) /* Bit 8: Initial GPIO output value */
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# define GPIO_VALUE_ONE GPIO_VALUE
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# define GPIO_VALUE_ZERO (0)
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/* Input Hysteresis:
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*
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* .... .... H... ....
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*/
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#define GPIO_HYSTERESIS (1 << 7) /* Bit 7: Input hysteresis */
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/* Slew Rate:
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*
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* .... .... .S.. ....
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*/
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#define GPIO_SLEW (1 << 6) /* Bit 7: Slew rate mode */
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/* Drive Strength:
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*
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* .... .... ..DD ....
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*/
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#define GPIO_DRIVE_SHIFT (4) /* Bits 4-5: Drive strength */
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#define GPIO_DRIVE_MASK (3 << GPIO_MODE_SHIFT)
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# define GPIO_DRIVE_LO (0 << GPIO_MODE_SHIFT) /* Low drive strength */
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# define GPIO_DRIVE_MEDLO (1 << GPIO_MODE_SHIFT) /* Low or medium-low drive */
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# define GPIO_DRIVE_MEDHI (2 << GPIO_MODE_SHIFT) /* High or midium-high driver */
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# define GPIO_DRIVE_HI (3 << GPIO_MODE_SHIFT) /* High drive strength */
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/* Port number: There is only one port, GPIO0
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*
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* .... .... .... ....
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*/
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#define GPIO_PORT0 (0)
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/* Pin number: NNNN (0-13)
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*
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* .... .... .... NNNN
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*/
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#define GPIO_PIN_SHIFT 0 /* Bits 0-3: GPIO number: 0-14 */
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#define GPIO_PIN_MASK (15 << GPIO_PIN_SHIFT)
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# define GPIO_PIN0 (0 << GPIO_PIN_SHIFT)
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# define GPIO_PIN1 (1 << GPIO_PIN_SHIFT)
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# define GPIO_PIN2 (2 << GPIO_PIN_SHIFT)
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# define GPIO_PIN3 (3 << GPIO_PIN_SHIFT)
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# define GPIO_PIN4 (4 << GPIO_PIN_SHIFT)
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# define GPIO_PIN5 (5 << GPIO_PIN_SHIFT)
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# define GPIO_PIN6 (6 << GPIO_PIN_SHIFT)
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# define GPIO_PIN7 (7 << GPIO_PIN_SHIFT)
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# define GPIO_PIN8 (8 << GPIO_PIN_SHIFT)
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# define GPIO_PIN9 (9 << GPIO_PIN_SHIFT)
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# define GPIO_PIN10 (10 << GPIO_PIN_SHIFT)
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# define GPIO_PIN11 (11 << GPIO_PIN_SHIFT)
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# define GPIO_PIN12 (12 << GPIO_PIN_SHIFT)
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# define GPIO_PIN13 (13 << GPIO_PIN_SHIFT)
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/************************************************************************************
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* Public Types
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************************************************************************************/
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typedef uint16_t max326_pinset_t;
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#endif /* __ARCH_ARM_SRC_MAX326XX_MAX32660_GPIO_H */
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146
arch/arm/src/max326xx/max326_gpio.h
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146
arch/arm/src/max326xx/max326_gpio.h
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@ -0,0 +1,146 @@
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/************************************************************************************
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* arch/arm/src/max326xx/max326_gpio.h
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*
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* Copyright (C) 2018 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_ARM_SRC_MAX326XX_MAX326_GPIO_H
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#define __ARCH_ARM_SRC_MAX326XX_MAX326_GPIO_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "chip/max326_gpio.h"
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Bit-encoded input to max326_gpio_config() ******************************************/
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#if defined(CONFIG_ARCH_FAMILY_MAX32620) || defined(CONFIG_ARCH_FAMILY_MAX32630)
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# include "max32620_30_gpio.h"
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#if defined(CONFIG_ARCH_FAMILY_MAX32660)
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# include "max32660_gpio.h"
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#else
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# error "Unsupported MAX326XX family"
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#endif
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/************************************************************************************
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* Public Data
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************************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/************************************************************************************
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* Name: max326_gpio_irqinitialize
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*
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* Description:
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* Initialize logic to support interrupting GPIO pins. This function is called by
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* the OS initialization logic and is not a user interface.
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*
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************************************************************************************/
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#ifdef CONFIG_MAX326_GPIOIRQ
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void max326_gpio_irqinitialize(void);
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#else
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# define max326_gpio_irqinitialize()
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#endif
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/************************************************************************************
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* Name: max326_gpio_config
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*
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* Description:
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* Configure a GPIO pin based on bit-encoded description of the pin.
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*
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************************************************************************************/
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int max326_gpio_config(max326_pinset_t cfgset);
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/************************************************************************************
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* Name: max326_gpio_write
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*
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* Description:
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* Write one or zero to the selected GPIO pin
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*
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************************************************************************************/
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void max326_gpio_write(max326_pinset_t pinset, bool value);
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/************************************************************************************
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* Name: max326_gpio_read
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*
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* Description:
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* Read one or zero from the selected GPIO pin
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*
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************************************************************************************/
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bool max326_gpio_read(max326_pinset_t pinset);
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/************************************************************************************
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* Function: max326_gpio_dump
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*
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* Description:
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* Dump all GPIO registers associated with the base address of the provided pinset.
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*
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************************************************************************************/
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#ifdef CONFIG_DEBUG_GPIO_INFO
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int max326_gpio_dump(max326_pinset_t pinset, const char *msg);
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#else
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# define max326_gpio_dump(p,m)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_ARM_SRC_MAX326XX_MAX326_GPIO_H */
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@ -90,7 +90,7 @@ void board_autoled_initialize(void)
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{
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/* Configure LED PIOs for output */
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max326_configgpio(GPIO_LED);
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max326_gpio_config(GPIO_LED);
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}
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/****************************************************************************
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@ -101,7 +101,7 @@ void board_autoled_on(int led)
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{
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if (led == 1 || led == 3)
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{
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max326_gpiowrite(GPIO_LED, false); /* Low illuminates */
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max326_gpio_write(GPIO_LED, false); /* Low illuminates */
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}
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}
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@ -113,7 +113,7 @@ void board_autoled_off(int led)
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{
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if (led == 3)
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{
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max326_gpiowrite(GPIO_LED, true); /* High extinguishes */
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max326_gpio_write(GPIO_LED, true); /* High extinguishes */
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}
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}
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@ -60,7 +60,7 @@ void board_userled_initialize(void)
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{
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/* Configure LED PIOs for output */
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max326_configgpio(GPIO_LED);
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max326_gpio_config(GPIO_LED);
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}
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/****************************************************************************
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@ -71,7 +71,7 @@ void board_userled(int led, bool ledon)
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{
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if (led == BOARD_LED)
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{
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max326_gpiowrite(GPIO_LED, !ledon); /* Low illuminates */
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max326_gpio_write(GPIO_LED, !ledon); /* Low illuminates */
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}
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}
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@ -83,5 +83,5 @@ void board_userled_all(uint8_t ledset)
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{
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/* Low illuminates */
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max326_gpiowrite(GPIO_LED, (ledset & BOARD_LED_BIT) == 0));
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max326_gpio_write(GPIO_LED, (ledset & BOARD_LED_BIT) == 0));
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}
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