1 | /** |
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2 | * @file watchdog-defs.h |
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3 | * |
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4 | * @ingroup lpc176x |
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5 | * |
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6 | * @brief API definitions of the Watchdog driver for the lpc176x bsp in RTEMS. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2014 Taller Technologies. |
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11 | * |
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12 | * @author Boretto Martin (martin.boretto@tallertechnologies.com) |
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13 | * @author Diaz Marcos (marcos.diaz@tallertechnologies.com) |
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14 | * @author Lenarduzzi Federico (federico.lenarduzzi@tallertechnologies.com) |
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15 | * @author Daniel Chicco (daniel.chicco@tallertechnologies.com) |
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16 | * |
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17 | * The license and distribution terms for this file may be |
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18 | * found in the file LICENSE in this distribution or at |
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19 | * http://www.rtems.com/license/LICENSE. |
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20 | */ |
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21 | |
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22 | #ifndef LIBBSP_ARM_LPC176X_WATCHDOG_DEFS_H |
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23 | #define LIBBSP_ARM_LPC176X_WATCHDOG_DEFS_H |
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24 | |
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25 | #include <rtems/score/cpu.h> |
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26 | #include <bsp.h> |
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27 | #include <bspopts.h> |
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28 | #include <bsp/utility.h> |
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29 | #include <bsp/irq.h> |
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30 | #include <bsp/common-types.h> |
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31 | |
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32 | #ifdef __cplusplus |
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33 | extern "C" { |
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34 | #endif /* __cplusplus */ |
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35 | |
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36 | #define LPC176X_WDMOD_BASE 0x40000000U |
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37 | #define LPC176X_WDFEED_CON 0XAAU |
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38 | #define LPC176X_WDFEED_CFG 0X55U |
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39 | #define LPC176X_WD_PRESCALER_DIVISOR 4000000U |
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40 | #define LPC176X_WWDT_MOD_WDEN BSP_BIT32( 0 ) |
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41 | #define LPC176X_WWDT_MOD_WDRESET BSP_BIT32( 1 ) |
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42 | #define LPC176X_WWDT_MOD_WDTOF BSP_BIT32( 2 ) |
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43 | #define LPC176X_WWDT_MOD_WDINT BSP_BIT32( 3 ) |
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44 | #define LPC176X_WWDT_CLKSEL_WDSEL_IRC 0x0U |
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45 | #define LPC176X_WWDT_CLKSEL_WDSEL_PCLK 0x1U |
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46 | #define LPC176X_WWDT_CLKSEL_WDSEL_RTC 0x2U |
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47 | #define LPC176X_WD_INTERRUPT_VECTOR_NUMBER 0U |
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48 | #define LPC176X_WDMOD ( *(volatile uint32_t *) ( LPC176X_WDMOD_BASE + 0x00U ) ) |
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49 | #define LPC176X_WDTC ( *(volatile uint32_t *) ( LPC176X_WDMOD_BASE + 0x04U ) ) |
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50 | #define LPC176X_WDFEED ( *(volatile uint32_t *) ( LPC176X_WDMOD_BASE + \ |
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51 | 0x08U ) ) |
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52 | #define LPC176X_WDTV ( *(volatile uint32_t *) ( LPC176X_WDMOD_BASE + 0x0CU ) ) |
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53 | #define LPC176X_WDCLKSEL ( *(volatile uint32_t *) ( LPC176X_WDMOD_BASE + \ |
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54 | 0x10U ) ) |
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55 | |
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56 | /** |
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57 | * @brief A function that attends an interruption for a watchdog. |
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58 | */ |
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59 | typedef rtems_interrupt_handler lpc176x_wd_isr_funct; |
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60 | |
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61 | #ifdef __cplusplus |
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62 | } |
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63 | #endif /* __cplusplus */ |
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64 | |
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65 | #endif /* LIBBSP_ARM_LPC176X_WATCHDOG_DEFS_H */ |
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