48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
/* -*- mode:c -*-
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*
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* Copyright 2016 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Declare symbolic names for all the GPIOs that we care about.
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* Note: Those with interrupt handlers must be declared first. */
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GPIO_INT(USER_BUTTON, PIN(C, 13), GPIO_INT_FALLING, button_event)
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#ifdef CTS_MODULE
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#ifndef CTS_MODULE_GPIO
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/* Overload C1 for interrupt. Enabled only for non-GPIO suites as
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* GPIO tests don't require a separate notification line. */
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GPIO_INT(CTS_IRQ1, PIN(C, 1), GPIO_INT_FALLING | GPIO_PULL_UP , cts_irq1)
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/* Used to disable interrupt. This IRQ# has to match the number used for the
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* pin set above */
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#define CTS_IRQ_NUMBER STM32_IRQ_EXTI0_1
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#endif
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GPIO_INT(CTS_IRQ2, PIN(C, 2), GPIO_INT_FALLING | GPIO_PULL_UP , cts_irq2)
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#endif
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/* Outputs */
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GPIO(LED_U, PIN(A, 5), GPIO_OUT_LOW)
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/* Unimplemented signals which we need to emulate for now */
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UNIMPLEMENTED(ENTERING_RW)
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UNIMPLEMENTED(WP_L)
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ALTERNATE(PIN_MASK(A, 0x000C), 1, MODULE_UART, 0) /* USART2: PA2/PA3 */
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GPIO(I2C1_SCL, PIN(B, 6), GPIO_ODR_HIGH) /* I2C port 1 SCL */
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GPIO(I2C1_SDA, PIN(B, 7), GPIO_ODR_HIGH) /* I2C port 1 SDA */
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/* I2C1: PB6/7*/
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ALTERNATE(PIN_MASK(B, 0x00C0), GPIO_ALT_F1, MODULE_I2C, GPIO_PULL_UP)
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#ifdef CTS_MODULE
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/* CTS Signals */
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GPIO(HANDSHAKE_INPUT, PIN(A, 4), GPIO_INPUT | GPIO_PULL_UP)
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GPIO(HANDSHAKE_OUTPUT, PIN(B, 0), GPIO_ODR_LOW)
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#ifdef CTS_MODULE_GPIO
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GPIO(INPUT_TEST, PIN(C, 1), GPIO_INPUT | GPIO_PULL_UP)
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#endif
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GPIO(OUTPUT_TEST, PIN(C, 0), GPIO_ODR_LOW)
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#endif
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