110 lines
4.0 KiB
C
110 lines
4.0 KiB
C
/****************************************************************************
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* boards/arm/tiva/lm3s6432-s2e/src/lm3s6432-s2e.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_TIVA_LM3S6432_S2E_SRC_LM3S6432_S2E_H
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#define __BOARDS_ARM_TIVA_LM3S6432_S2E_SRC_LM3S6432_S2E_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 <nuttx/compiler.h>
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#include "chip.h"
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#include "tiva_gpio.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* How many SSI modules does this chip support?
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* The LM3S6432 supports 1 SSI module
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* (others may support more than 2 -- in such case, the following must be
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* expanded).
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*/
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#if TIVA_NSSI == 0
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# undef CONFIG_TIVA_SSI0
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#endif
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#undef CONFIG_TIVA_SSI1
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/* LM3S6432 MDL-S2E *********************************************************/
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/* GPIO Usage
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*
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* PIN SIGNAL S2E Function
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* --- ----------------- ---------------------------------------
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* L3 PA0/U0RX Virtual COM port receive
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* M3 PA1/U0TX Virtual COM port transmit
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* E12 PB0/U0CTS Virtual COM port CTS
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* D12 PB1/U0RTS Virtual COM port RTS
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* L5 PA4/SPIRX SPI receive
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* M5 PA5/SPITX SPI transmit
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* H2 PD2/U1RX Virtual COM port receive
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* H1 PD3/U1TX Virtual COM port transmit
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* L4 PA3/U1CTS/SPICLK Virtual COM port CTS
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* M4 PA2/U1RTS/SPISEL Virtual COM port RTS
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* J11 PF0/LED1 Ethernet LED1 (green)
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* J12 PF1/LED0 Ethernet LED0 (yellow)
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* C11 PB2 Transceiver #INVALID
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* C12 PB3 Transceiver #ENABLE
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* A6 PB4 Transceiver ON
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* B7 PB5 Transceiver #OFF
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*/
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/* GPIO for LEDs:
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* - PF0: User LED
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*/
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#define LED1_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTF | 2)
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#define LED0_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTF | 3)
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/* GPIO for SSI0 select
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*/
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#define SSICS_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTA | 3)
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/* GPIOs for the RS-232 transceiver enable/disable.
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* Default state for these enables the transceiver.
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*/
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#define XCVR_INV_GPIO (GPIO_FUNC_INPUT | GPIO_PORTB | 2)
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#define XCVR_ENA_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTB | 3)
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#define XCVR_ON_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTB | 4)
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#define XCVR_OFF_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTB | 5)
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/****************************************************************************
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* Public Functions Definitions
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Name: lm_ssidev_initialize
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*
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* Description:
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* Called to configure SPI chip select GPIO pins for the MDL-S2E.
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*
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****************************************************************************/
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void weak_function lm_ssidev_initialize(void);
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_TIVA_LM3S6432_S2E_SRC_LM3S6432_S2E_H */
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