amiro-os / devices / LightRing / exti.cpp @ c0757912
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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 | } |