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@@ -1,349 +0,0 @@
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-/*****************************************************************************
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- *
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- * Copyright(C) 2011, Embedded Artists AB
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- * All rights reserved.
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- *
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- ******************************************************************************
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- * Software that is described herein is for illustrative purposes only
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- * which provides customers with programming information regarding the
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- * products. This software is supplied "AS IS" without any warranties.
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- * Embedded Artists AB assumes no responsibility or liability for the
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- * use of the software, conveys no license or title under any patent,
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- * copyright, or mask work right to the product. Embedded Artists AB
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- * reserves the right to make changes in the software without
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- * notification. Embedded Artists AB also make no representation or
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- * warranty that such application will be suitable for the specified
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- * use without further testing or modification.
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- *****************************************************************************/
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-
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-/*
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- * NOTE: I2C must have been initialized before calling any functions in this
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- * file.
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- */
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-
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-/******************************************************************************
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- * Includes
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- *****************************************************************************/
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-#include "bsp/board.h"
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-
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-#ifdef BOARD_EA4357
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-
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-#include "lpc43xx_i2c.h"
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-#include "lpc43xx_cgu.h"
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-#include "lpc_types.h"
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-#include "pca9532.h"
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-
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-/******************************************************************************
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- * Defines and typedefs
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- *****************************************************************************/
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-
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-#define I2C_PORT (LPC_I2C0)
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-
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-#define LS_MODE_ON 0x01
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-#define LS_MODE_BLINK0 0x02
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-#define LS_MODE_BLINK1 0x03
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-
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-/******************************************************************************
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- * External global variables
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- *****************************************************************************/
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-
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-
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-/******************************************************************************
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- * Local variables
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- *****************************************************************************/
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-
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-static uint16_t blink0Shadow = 0;
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-static uint16_t blink1Shadow = 0;
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-static uint16_t ledStateShadow = 0;
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-
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-/******************************************************************************
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- * Local Functions
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- *****************************************************************************/
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-
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-static Status I2CWrite(uint32_t addr, uint8_t* buf, uint32_t len)
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-{
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- I2C_M_SETUP_Type i2cData;
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-
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- i2cData.sl_addr7bit = addr;
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- i2cData.tx_data = buf;
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- i2cData.tx_length = len;
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- i2cData.rx_data = NULL;
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- i2cData.rx_length = 0;
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- i2cData.retransmissions_max = 3;
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-
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- return I2C_MasterTransferData(I2C_PORT, &i2cData, I2C_TRANSFER_POLLING);
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-}
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-
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-static Status I2CRead(uint32_t addr, uint8_t* buf, uint32_t len)
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-{
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- I2C_M_SETUP_Type i2cData;
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-
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- i2cData.sl_addr7bit = addr;
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- i2cData.tx_data = NULL;
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- i2cData.tx_length = 0;
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- i2cData.rx_data = buf;
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- i2cData.rx_length = len;
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- i2cData.retransmissions_max = 3;
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-
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- return I2C_MasterTransferData(I2C_PORT, &i2cData, I2C_TRANSFER_POLLING);
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-}
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-
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-static void setLsStates(uint16_t states, uint8_t* ls, uint8_t mode)
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-{
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-#define IS_LED_SET(bit, x) ( ( ((x) & (bit)) != 0 ) ? 1 : 0 )
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-
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- int i = 0;
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-
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- for (i = 0; i < 4; i++) {
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-
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- ls[i] |= ( (IS_LED_SET(0x0001, states)*mode << 0)
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- | (IS_LED_SET(0x0002, states)*mode << 2)
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- | (IS_LED_SET(0x0004, states)*mode << 4)
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- | (IS_LED_SET(0x0008, states)*mode << 6) );
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-
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- states >>= 4;
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- }
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-}
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-
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-static void setLeds(void)
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-{
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- uint8_t buf[5];
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- uint8_t ls[4] = {0,0,0,0};
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- uint16_t states = ledStateShadow;
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-
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- /* LEDs in On/Off state */
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- setLsStates(states, ls, LS_MODE_ON);
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-
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- /* set the LEDs that should blink */
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- setLsStates(blink0Shadow, ls, LS_MODE_BLINK0);
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- setLsStates(blink1Shadow, ls, LS_MODE_BLINK1);
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-
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-
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- buf[0] = PCA9532_LS0 | PCA9532_AUTO_INC;
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- buf[1] = ls[0];
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- buf[2] = ls[1];
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- buf[3] = ls[2];
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- buf[4] = ls[3];
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- I2CWrite(PCA9532_I2C_ADDR, buf, 5);
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-}
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-
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-/******************************************************************************
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- * Public Functions
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- *****************************************************************************/
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-
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-/******************************************************************************
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- *
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- * Description:
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- * Initialize the PCA9532 Device
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- *
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- *****************************************************************************/
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-void pca9532_init (void)
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-{
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- /* nothing to initialize */
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-}
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-
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-/******************************************************************************
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- *
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- * Description:
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- * Get the LED states
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- *
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- * Params:
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- * [in] shadow - TRUE if the states should be retrieved from the shadow
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- * variables. The shadow variable are updated when any
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- * of setLeds, setBlink0Leds and/or setBlink1Leds are
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- * called.
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- *
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- * FALSE if the state should be retrieved from the PCA9532
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- * device. A blinkin LED may be reported as on or off
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- * depending on the state when calling the function.
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- *
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- * Returns:
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- * A mask where a 1 indicates that a LED is on (or blinking).
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- *
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- *****************************************************************************/
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-uint16_t pca9532_getLedState (uint32_t shadow)
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-{
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- uint8_t buf[2];
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- uint16_t ret = 0;
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-
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- if (shadow) {
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- /* a blink LED is reported as on*/
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- ret = (ledStateShadow | blink0Shadow | blink1Shadow);
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- }
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- else {
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-
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- /*
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- * A blinking LED may be reported as on or off depending on
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- * its state when reading the Input register.
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- */
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-
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- buf[0] = PCA9532_INPUT0;
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- I2CWrite(PCA9532_I2C_ADDR, buf, 1);
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-
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- I2CRead(PCA9532_I2C_ADDR, buf, 1);
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- ret = buf[0];
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-
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-
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- buf[0] = PCA9532_INPUT1;
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- I2CWrite(PCA9532_I2C_ADDR, buf, 1);
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-
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- I2CRead(PCA9532_I2C_ADDR, buf, 1);
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- ret |= (buf[0] << 8);
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-
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-
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- /* invert since LEDs are active low */
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- ret = ((~ret) & 0xFFFF);
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- }
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-
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- return (ret & ~PCA9532_NOT_USED);
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-}
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-
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-
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-/******************************************************************************
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- *
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- * Description:
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- * Set LED states (on or off).
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- *
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- * Params:
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- * [in] ledOnMask - The LEDs that should be turned on. This mask has
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- * priority over ledOffMask
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- * [in] ledOffMask - The LEDs that should be turned off.
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- *
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- *****************************************************************************/
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-void pca9532_setLeds (uint16_t ledOnMask, uint16_t ledOffMask)
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-{
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- /* turn off leds */
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- ledStateShadow &= (~(ledOffMask) & 0xffff);
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-
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- /* ledOnMask has priority over ledOffMask */
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- ledStateShadow |= ledOnMask;
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-
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- /* turn off blinking */
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- blink0Shadow &= (~(ledOffMask) & 0xffff);
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- blink1Shadow &= (~(ledOffMask) & 0xffff);
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-
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- setLeds();
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-}
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-
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-/******************************************************************************
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- *
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- * Description:
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- * Set the blink period for PWM0. Valid values are 0 - 255 where 0
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- * means 152 Hz and 255 means 0.59 Hz. A value of 151 means 1 Hz.
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- *
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- * Params:
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- * [in] period - the period for pwm0
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- *
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- *****************************************************************************/
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-void pca9532_setBlink0Period(uint8_t period)
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-{
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- uint8_t buf[2];
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-
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- buf[0] = PCA9532_PSC0;
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- buf[1] = period;
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- I2CWrite(PCA9532_I2C_ADDR, buf, 2);
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-}
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-
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-/******************************************************************************
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- *
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- * Description:
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- * Set the duty cycle for PWM0. Valid values are 0 - 100. 25 means the LED
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- * is on 25% of the period.
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- *
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- * Params:
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- * [in] duty - duty cycle
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- *
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- *****************************************************************************/
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-void pca9532_setBlink0Duty(uint8_t duty)
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-{
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- uint8_t buf[2];
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- uint32_t tmp = duty;
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- if (tmp > 100) {
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- tmp = 100;
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- }
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-
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- tmp = (256 * tmp)/100;
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-
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- buf[0] = PCA9532_PWM0;
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- buf[1] = tmp;
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- I2CWrite(PCA9532_I2C_ADDR, buf, 2);
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-}
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-
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-/******************************************************************************
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- *
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- * Description:
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- * Set the LEDs that should blink with rate and duty cycle from PWM0.
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- * Blinking is turned off with pca9532_setLeds.
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- *
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- * Params:
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- * [in] ledMask - LEDs that should blink.
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- *
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- *****************************************************************************/
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-void pca9532_setBlink0Leds(uint16_t ledMask)
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-{
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- blink0Shadow |= ledMask;
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- setLeds();
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-}
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-
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-/******************************************************************************
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- *
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- * Description:
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- * Set the blink period for PWM1. Valid values are 0 - 255 where 0
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- * means 152 Hz and 255 means 0.59 Hz. A value of 151 means 1 Hz.
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- *
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- * Params:
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- * [in] period - The period for PWM1
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- *
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- *****************************************************************************/
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-void pca9532_setBlink1Period(uint8_t period)
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-{
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- uint8_t buf[2];
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-
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- buf[0] = PCA9532_PSC1;
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- buf[1] = period;
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- I2CWrite(PCA9532_I2C_ADDR, buf, 2);
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-}
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-
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-/******************************************************************************
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- *
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- * Description:
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- * Set the duty cycle for PWM1. Valid values are 0 - 100. 25 means the LED
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- * is on 25% of the period.
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- *
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- * Params:
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- * [in] duty - duty cycle.
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- *
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- *****************************************************************************/
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-void pca9532_setBlink1Duty(uint8_t duty)
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-{
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- uint8_t buf[2];
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-
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- uint32_t tmp = duty;
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- if (tmp > 100) {
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- tmp = 100;
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- }
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-
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- tmp = (256 * tmp)/100;
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-
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- buf[0] = PCA9532_PWM1;
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- buf[1] = tmp;
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- I2CWrite(PCA9532_I2C_ADDR, buf, 2);
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-}
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-
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-/******************************************************************************
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- *
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- * Description:
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- * Set the LEDs that should blink with rate and duty cycle from PWM1.
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- * Blinking is turned off with pca9532_setLeds.
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- *
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- * Params:
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- * [in] ledMask - LEDs that should blink.
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- *
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- *****************************************************************************/
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-void pca9532_setBlink1Leds(uint16_t ledMask)
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-{
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- blink1Shadow |= ledMask;
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- setLeds();
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-}
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-
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-#endif
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