1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup lpc176x |
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5 | * |
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6 | * @brief Global BSP definitions. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2008-2013 embedded brains GmbH. All rights reserved. |
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11 | * |
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12 | * embedded brains GmbH |
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13 | * Obere Lagerstr. 30 |
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14 | * 82178 Puchheim |
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15 | * Germany |
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16 | * <rtems@embedded-brains.de> |
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17 | * |
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18 | * The license and distribution terms for this file may be |
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19 | * found in the file LICENSE in this distribution or at |
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20 | * http://www.rtems.org/license/LICENSE. |
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21 | */ |
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22 | |
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23 | #ifndef LIBBSP_ARM_LPC176X_BSP_H |
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24 | #define LIBBSP_ARM_LPC176X_BSP_H |
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25 | |
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26 | #include <bspopts.h> |
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27 | |
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28 | #define LPC176X_PCLK ( LPC176X_CCLK / LPC176X_PCLKDIV ) |
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29 | #define LPC176X_MPU_REGION_COUNT 8u |
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30 | |
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31 | #define BSP_FEATURE_IRQ_EXTENSION |
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32 | #define BSP_ARMV7M_IRQ_PRIORITY_DEFAULT ( 29u << 3u ) |
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33 | #define BSP_ARMV7M_SYSTICK_PRIORITY ( 30u << 3u ) |
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34 | #define BSP_ARMV7M_SYSTICK_FREQUENCY LPC176X_CCLK |
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35 | |
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36 | #ifndef ASM |
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37 | |
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38 | #include <rtems.h> |
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39 | #include <bsp/default-initial-extension.h> |
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40 | |
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41 | #ifdef __cplusplus |
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42 | extern "C" { |
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43 | #endif /* __cplusplus */ |
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44 | |
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45 | struct rtems_bsdnet_ifconfig; |
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46 | |
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47 | /** |
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48 | * @defgroup lpc176x LPC176X Support |
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49 | * |
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50 | * @ingroup bsp_arm |
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51 | * |
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52 | * @brief LPC176X support package. |
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53 | * |
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54 | * @{ |
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55 | */ |
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56 | |
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57 | /** |
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58 | * @brief Optimized idle task. |
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59 | * |
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60 | * This idle task sets the power mode to idle. This causes the processor |
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61 | * clock to be stopped, while on-chip peripherals remain active. |
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62 | * Any enabled interrupt from a peripheral or an external interrupt source |
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63 | * will cause the processor to resume execution. |
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64 | * |
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65 | * To enable the idle task use the following in the system configuration: |
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66 | * |
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67 | * @code |
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68 | * #include <bsp.h> |
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69 | * |
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70 | * #define CONFIGURE_INIT |
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71 | * |
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72 | * #define CONFIGURE_IDLE_TASK_BODY bsp_idle_thread |
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73 | * |
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74 | * #include <confdefs.h> |
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75 | * @endcode |
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76 | */ |
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77 | void*bsp_idle_thread( uintptr_t ignored ); |
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78 | |
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79 | #define BSP_CONSOLE_UART_BASE 0x4000C000U |
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80 | |
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81 | /** |
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82 | * @brief Restarts the bsp with "addr" address |
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83 | * @param addr Address used to restart the bsp |
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84 | */ |
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85 | void bsp_restart( const void *addr ); |
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86 | |
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87 | /** @} */ |
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88 | |
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89 | #ifdef __cplusplus |
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90 | } |
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91 | #endif /* __cplusplus */ |
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92 | |
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93 | #endif /* ASM */ |
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94 | |
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95 | #endif /* LIBBSP_ARM_LPC176X_BSP_H */ |
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