amiro-os / devices / LightRing / exti.cpp @ ba75ee1d
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1 | 58fe0e0b | Thomas Schöpping | #include <ch.hpp> |
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2 | #include <hal.h> |
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3 | |||
4 | #include <board.h> |
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5 | |||
6 | #include "exti.hpp" |
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7 | |||
8 | volatile uint32_t shutdown_now = 0x00000000u; // = BL_SHUTDOWN_NONE in main.cpp |
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9 | |||
10 | EXTConfig extcfg = { |
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11 | |||
12 | { |
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13 | /* channel 0 */
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14 | { |
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15 | /* mode */ EXT_CH_MODE_DISABLED,
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16 | /* cb */ NULL, |
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17 | }, |
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18 | /* channel 1 */
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19 | { |
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20 | /* mode */ EXT_CH_MODE_DISABLED,
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21 | /* cb */ NULL, |
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22 | }, |
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23 | /* channel 2 */
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24 | { |
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25 | /* mode */ EXT_CH_MODE_DISABLED,
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26 | /* cb */ NULL, |
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27 | }, |
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28 | /* channel 3 */
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29 | { |
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30 | /* mode */ EXT_CH_MODE_DISABLED,
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31 | /* cb */ NULL, |
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32 | }, |
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33 | /* channel 4 */
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34 | { |
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35 | /* mode */ EXT_CH_MODE_DISABLED,
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36 | /* cb */ NULL, |
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37 | }, |
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38 | /* channel 5 */
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39 | { |
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40 | /* mode */ EXT_CH_MODE_DISABLED,
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41 | /* cb */ NULL, |
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42 | }, |
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43 | /* channel 6 */
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44 | { |
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45 | /* mode */ EXT_CH_MODE_DISABLED,
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46 | /* cb */ NULL, |
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47 | }, |
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48 | /* channel 7 */
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49 | { |
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50 | /* mode */ EXT_CH_MODE_DISABLED,
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51 | /* cb */ NULL, |
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52 | }, |
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53 | /* channel 8 */
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54 | { |
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55 | /* mode */ EXT_CH_MODE_DISABLED,
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56 | /* cb */ NULL, |
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57 | }, |
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58 | /* channel 9 */
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59 | { |
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60 | /* mode */ EXT_CH_MODE_DISABLED,
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61 | /* cb */ NULL, |
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62 | }, |
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63 | /* channel 10 */
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64 | { |
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65 | /* mode */ EXT_CH_MODE_DISABLED,
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66 | /* cb */ NULL, |
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67 | }, |
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68 | /* channel 11 */
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69 | { |
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70 | /* mode */ EXT_CH_MODE_DISABLED,
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71 | /* cb */ NULL, |
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72 | }, |
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73 | /* channel 12 */
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74 | { |
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75 | /* mode */ EXT_CH_MODE_DISABLED,
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76 | /* cb */ NULL, |
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77 | }, |
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78 | /* channel 13 */
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79 | { |
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80 | /* mode */ EXT_CH_MODE_DISABLED,
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81 | /* cb */ NULL, |
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82 | }, |
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83 | /* channel 14 */
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84 | { |
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85 | /* mode */ EXT_MODE_GPIOC | EXT_CH_MODE_AUTOSTART | EXT_CH_MODE_FALLING_EDGE,
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86 | /* cb */ power_down_cb,
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87 | }, |
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88 | /* channel 15 */
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89 | { |
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90 | /* mode */ EXT_CH_MODE_DISABLED,
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91 | /* cb */ NULL, |
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92 | }, |
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93 | /* channel 16 */
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94 | { |
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95 | /* mode */ EXT_CH_MODE_DISABLED,
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96 | /* cb */ NULL, |
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97 | }, |
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98 | /* channel 17 */
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99 | { |
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100 | /* mode */ EXT_CH_MODE_DISABLED,
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101 | /* cb */ NULL, |
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102 | }, |
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103 | /* channel 18 */
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104 | { |
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105 | /* mode */ EXT_CH_MODE_DISABLED,
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106 | /* cb */ NULL, |
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107 | }, |
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108 | } |
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109 | }; |
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110 | |||
111 | void power_down_cb(EXTDriver *extp, expchannel_t channel) {
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112 | |||
113 | (void) extp;
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114 | (void) channel;
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115 | // make sure we don't accidentally power down when somebody tries to wake us
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116 | if (!palReadPad(GPIOC, GPIOC_SYS_PD_N))
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117 | palWritePad(GPIOD, GPIOD_SYS_INT_N, PAL_LOW); // indicate that the module needs some time to shut down
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118 | shutdown_now = 5; // = SHUTDOWN_HANDLE_REQUEST in main.cpp |
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119 | } |