422 lines
12 KiB
C
422 lines
12 KiB
C
/** @file gio.c
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* @brief GIO Driver Implementation File
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* @date 29.May.2013
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* @version 03.05.02
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*
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*/
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/* (c) Texas Instruments 2009-2013, All rights reserved. */
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/* USER CODE BEGIN (0) */
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/* USER CODE END */
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#include "gio.h"
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/* USER CODE BEGIN (1) */
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/* USER CODE END */
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/** @fn void gioInit(void)
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* @brief Initializes the GIO Driver
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*
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* This function initializes the GIO module and set the GIO ports
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* to the initial values.
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*/
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/* SourceId : GIO_SourceId_001 */
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/* Requirements : HL_SR115, HL_SR116, HL_SR117, HL_SR118, HL_SR119, HL_SR120, HL_SR121, HL_SR122 */
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void gioInit(void)
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{
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/* USER CODE BEGIN (2) */
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/* USER CODE END */
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/** bring GIO module out of reset */
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gioREG->GCR0 = 1U;
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gioREG->INTENACLR = 0xFFU;
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gioREG->LVLCLR = 0xFFU;
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/** @b initialize @b Port @b A */
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/** - Port A output values */
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gioPORTA->DOUT = 0U /* Bit 0 */
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| (0U << 1U) /* Bit 1 */
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| (0U << 2U) /* Bit 2 */
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| (0U << 3U) /* Bit 3 */
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| (0U << 4U) /* Bit 4 */
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| (0U << 5U) /* Bit 5 */
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| (0U << 6U) /* Bit 6 */
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| (0U << 7U); /* Bit 7 */
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/** - Port A direction */
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gioPORTA->DIR = 0U /* Bit 0 */
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| (0U << 1U) /* Bit 1 */
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| (0U << 2U) /* Bit 2 */
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| (0U << 3U) /* Bit 3 */
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| (0U << 4U) /* Bit 4 */
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| (0U << 5U) /* Bit 5 */
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| (0U << 6U) /* Bit 6 */
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| (0U << 7U); /* Bit 7 */
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/** - Port A open drain enable */
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gioPORTA->PDR = 0U /* Bit 0 */
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| (0U << 1U) /* Bit 1 */
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| (0U << 2U) /* Bit 2 */
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| (0U << 3U) /* Bit 3 */
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| (0U << 4U) /* Bit 4 */
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| (0U << 5U) /* Bit 5 */
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| (0U << 6U) /* Bit 6 */
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| (0U << 7U); /* Bit 7 */
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/** - Port A pullup / pulldown selection */
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gioPORTA->PSL = 0U /* Bit 0 */
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| (0U << 1U) /* Bit 1 */
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| (0U << 2U) /* Bit 2 */
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| (0U << 3U) /* Bit 3 */
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| (0U << 4U) /* Bit 4 */
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| (0U << 5U) /* Bit 5 */
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| (0U << 6U) /* Bit 6 */
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| (0U << 7U); /* Bit 7 */
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/** - Port A pullup / pulldown enable*/
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gioPORTA->PULDIS = 0U /* Bit 0 */
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| (0U << 1U) /* Bit 1 */
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| (0U << 2U) /* Bit 2 */
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| (0U << 3U) /* Bit 3 */
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| (0U << 4U) /* Bit 4 */
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| (0U << 5U) /* Bit 5 */
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| (0U << 6U) /* Bit 6 */
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| (0U << 7U); /* Bit 7 */
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/** @b initialize @b Port @b B */
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/** - Port B output values */
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gioPORTB->DOUT = 0U /* Bit 0 */
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| (0U << 1U) /* Bit 1 */
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| (0U << 2U) /* Bit 2 */
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| (0U << 3U) /* Bit 3 */
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| (0U << 4U) /* Bit 4 */
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| (0U << 5U) /* Bit 5 */
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| (0U << 6U) /* Bit 6 */
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| (0U << 7U); /* Bit 7 */
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/** - Port B direction */
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gioPORTB->DIR = 0U /* Bit 0 */
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| (0U << 1U) /* Bit 1 */
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| (0U << 2U) /* Bit 2 */
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| (0U << 3U) /* Bit 3 */
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| (0U << 4U) /* Bit 4 */
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| (0U << 5U) /* Bit 5 */
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| (0U << 6U) /* Bit 6 */
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| (0U << 7U); /* Bit 7 */
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/** - Port B open drain enable */
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gioPORTB->PDR = 0U /* Bit 0 */
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| (0U << 1U) /* Bit 1 */
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| (0U << 2U) /* Bit 2 */
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| (0U << 3U) /* Bit 3 */
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| (0U << 4U) /* Bit 4 */
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| (0U << 5U) /* Bit 5 */
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| (0U << 6U) /* Bit 6 */
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| (0U << 7U); /* Bit 7 */
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/** - Port B pullup / pulldown selection */
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gioPORTB->PSL = 0U /* Bit 0 */
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| (0U << 1U) /* Bit 1 */
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| (0U << 2U) /* Bit 2 */
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| (0U << 3U) /* Bit 3 */
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| (0U << 4U) /* Bit 4 */
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| (0U << 5U) /* Bit 5 */
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| (0U << 6U) /* Bit 6 */
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| (0U << 7U); /* Bit 7 */
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/** - Port B pullup / pulldown enable*/
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gioPORTB->PULDIS = 0U /* Bit 0 */
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| (0U << 1U) /* Bit 1 */
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| (0U << 2U) /* Bit 2 */
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| (0U << 3U) /* Bit 3 */
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| (0U << 4U) /* Bit 4 */
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| (0U << 5U) /* Bit 5 */
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| (0U << 6U) /* Bit 6 */
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| (0U << 7U); /* Bit 7 */
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/* USER CODE BEGIN (3) */
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/* USER CODE END */
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/** @b initialize @b interrupts */
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/** - interrupt polarity */
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gioREG->POL = 0U /* Bit 0 */
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| (0U << 1U) /* Bit 1 */
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| (0U << 2U) /* Bit 2 */
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| (0U << 3U) /* Bit 3 */
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| (0U << 4U) /* Bit 4 */
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| (0U << 5U) /* Bit 5 */
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| (0U << 6U) /* Bit 6 */
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| (0U << 7U) /* Bit 7 */
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| (0U << 8U) /* Bit 8 */
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| (0U << 9U) /* Bit 9 */
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| (0U << 10U) /* Bit 10 */
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| (0U << 11U) /* Bit 11 */
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| (0U << 12U) /* Bit 12 */
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| (0U << 13U) /* Bit 13 */
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| (0U << 14U) /* Bit 14 */
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| (0U << 15U);/* Bit 15 */
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/** - interrupt level */
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gioREG->LVLSET = 0U /* Bit 0 */
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| (0U << 1U) /* Bit 1 */
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| (0U << 2U) /* Bit 2 */
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| (0U << 3U) /* Bit 3 */
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| (0U << 4U) /* Bit 4 */
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| (0U << 5U) /* Bit 5 */
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| (0U << 6U) /* Bit 6 */
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| (0U << 7U) /* Bit 7 */
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| (0U << 8U) /* Bit 8 */
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| (0U << 9U) /* Bit 9 */
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| (0U << 10U) /* Bit 10 */
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| (0U << 11U) /* Bit 11 */
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| (0U << 12U) /* Bit 12 */
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| (0U << 13U) /* Bit 13 */
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| (0U << 14U) /* Bit 14 */
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| (0U << 15U);/* Bit 15 */
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/** - clear all pending interrupts */
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gioREG->FLG = 0xFFU;
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/** - enable interrupts */
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gioREG->INTENASET = 0U /* Bit 0 */
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| (0U << 1U) /* Bit 1 */
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| (0U << 2U) /* Bit 2 */
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| (0U << 3U) /* Bit 3 */
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| (0U << 4U) /* Bit 4 */
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| (0U << 5U) /* Bit 5 */
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| (0U << 6U) /* Bit 6 */
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| (0U << 7U) /* Bit 7 */
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| (0U << 8U) /* Bit 8 */
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| (0U << 9U) /* Bit 9 */
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| (0U << 10U) /* Bit 10 */
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| (0U << 11U) /* Bit 11 */
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| (0U << 12U) /* Bit 12 */
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| (0U << 13U) /* Bit 13 */
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| (0U << 14U) /* Bit 14 */
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| (0U << 15U);/* Bit 15 */
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/* USER CODE BEGIN (4) */
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/* USER CODE END */
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}
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/** @fn void gioSetDirection(gioPORT_t *port, uint32 dir)
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* @brief Set Port Direction
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* @param[in] port pointer to GIO port:
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* - gioPORTA: PortA pointer
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* - gioPORTB: PortB pointer
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* @param[in] dir value to write to DIR register
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*
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* Set the direction of GIO pins at runtime.
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*/
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/* SourceId : GIO_SourceId_002 */
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/* Requirements : HL_SR123 */
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void gioSetDirection(gioPORT_t *port, uint32 dir)
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{
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port->DIR = dir;
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}
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/** @fn void gioSetBit(gioPORT_t *port, uint32 bit, uint32 value)
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* @brief Write Bit
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* @param[in] port pointer to GIO port:
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* - gioPORTA: PortA pointer
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* - gioPORTB: PortB pointer
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* @param[in] bit number 0-7 that specifies the bit to be written to.
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* - 0: LSB
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* - 7: MSB
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* @param[in] value binary value to write to bit
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*
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* Writes a value to the specified pin of the given GIO port
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*/
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/* SourceId : GIO_SourceId_003 */
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/* Requirements : HL_SR126 */
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void gioSetBit(gioPORT_t *port, uint32 bit, uint32 value)
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{
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/* USER CODE BEGIN (5) */
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/* USER CODE END */
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if (value != 0U)
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{
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port->DSET = 1U << bit;
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}
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else
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{
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port->DCLR = 1U << bit;
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}
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}
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/** @fn void gioSetPort(gioPORT_t *port, uint32 value)
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* @brief Write Port Value
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* @param[in] port pointer to GIO port:
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* - gioPORTA: PortA pointer
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* - gioPORTB: PortB pointer
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* @param[in] value value to write to port
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*
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* Writes a value to all pin of a given GIO port
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*/
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/* SourceId : GIO_SourceId_004 */
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/* Requirements : HL_SR127 */
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void gioSetPort(gioPORT_t *port, uint32 value)
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{
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/* USER CODE BEGIN (6) */
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/* USER CODE END */
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port->DOUT = value;
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/* USER CODE BEGIN (7) */
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/* USER CODE END */
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}
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/** @fn uint32 gioGetBit(gioPORT_t *port, uint32 bit)
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* @brief Read Bit
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* @param[in] port pointer to GIO port:
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* - gioPORTA: PortA pointer
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* - gioPORTB: PortB pointer
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* @param[in] bit number 0-7 that specifies the bit to be written to.
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* - 0: LSB
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* - 7: MSB
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*
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* Reads a the current value from the specified pin of the given GIO port
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*/
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/* SourceId : GIO_SourceId_005 */
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/* Requirements : HL_SR124 */
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uint32 gioGetBit(gioPORT_t *port, uint32 bit)
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{
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/* USER CODE BEGIN (8) */
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/* USER CODE END */
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return (port->DIN >> bit) & 1U;
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}
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/** @fn uint32 gioGetPort(gioPORT_t *port)
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* @brief Read Port Value
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* @param[in] port pointer to GIO port:
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* - gioPORTA: PortA pointer
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* - gioPORTB: PortB pointer
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*
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* Reads a the current value of a given GIO port
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*/
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/* SourceId : GIO_SourceId_006 */
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/* Requirements : HL_SR125 */
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uint32 gioGetPort(gioPORT_t *port)
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{
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/* USER CODE BEGIN (9) */
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/* USER CODE END */
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return port->DIN;
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}
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/** @fn void gioToggleBit(gioPORT_t *port, uint32 bit)
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* @brief Write Bit
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* @param[in] port pointer to GIO port:
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* - gioPORTA: PortA pointer
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* - gioPORTB: PortB pointer
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* @param[in] bit number 0-7 that specifies the bit to be written to.
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* - 0: LSB
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* - 7: MSB
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*
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* Toggle a value to the specified pin of the given GIO port
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*/
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/* SourceId : GIO_SourceId_007 */
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/* Requirements : */
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void gioToggleBit(gioPORT_t *port, uint32 bit)
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{
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/* USER CODE BEGIN (10) */
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/* USER CODE END */
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if ((port->DIN & (1U << bit)) != 0U)
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{
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port->DCLR = 1U << bit;
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}
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else
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{
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port->DSET = 1U << bit;
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}
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}
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/** @fn void gioEnableNotification(uint32 bit)
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* @brief Enable Interrupt
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* @param[in] port pointer to GIO port:
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* - gioPORTA: PortA pointer
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* - gioPORTB: PortB pointer
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* @param[in] bit interrupt pin to enable
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* - 0: LSB
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* - 7: MSB
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*
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* Enables an interrupt pin of selected port
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*/
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/* SourceId : GIO_SourceId_008 */
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/* Requirements : HL_SR128 */
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void gioEnableNotification(gioPORT_t *port, uint32 bit)
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{
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/* USER CODE BEGIN (11) */
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/* USER CODE END */
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if (port == gioPORTA)
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{
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gioREG->INTENASET = 1U << bit;
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}
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else if (port == gioPORTB)
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{
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gioREG->INTENASET = 1U << (bit + 8);
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}
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else
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{
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/* Empty */
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}
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}
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/** @fn void gioDisableNotification(uint32 bit)
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* @brief Disable Interrupt
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* @param[in] port pointer to GIO port:
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* - gioPORTA: PortA pointer
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* - gioPORTB: PortB pointer
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* @param[in] bit interrupt pin to enable
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* - 0: LSB
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* - 7: MSB
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*
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* Disables an interrupt pin of selected port
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*/
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/* SourceId : GIO_SourceId_009 */
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/* Requirements : HL_SR129 */
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void gioDisableNotification(gioPORT_t *port, uint32 bit)
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{
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/* USER CODE BEGIN (12) */
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/* USER CODE END */
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if (port == gioPORTA)
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{
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gioREG->INTENACLR = 1U << bit;
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}
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else if (port == gioPORTB)
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{
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gioREG->INTENACLR = 1U << (bit + 8);
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}
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else
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{
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/* Empty */
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}
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}
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/* USER CODE BEGIN (19) */
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/* USER CODE END */
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