amiro-os / devices / LightRing / exti.cpp @ 3a4c95b0
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#include <ch.hpp> |
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#include <hal.h> |
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#include <board.h> |
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#include "exti.hpp" |
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volatile uint32_t shutdown_now = 0x00000000u; // = BL_SHUTDOWN_NONE in main.cpp |
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EXTConfig extcfg = {
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{
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/* channel 0 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 1 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 2 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 3 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 4 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 5 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 6 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 7 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 8 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 9 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 10 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 11 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 12 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 13 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 14 */
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{
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/* mode */ EXT_MODE_GPIOC | EXT_CH_MODE_AUTOSTART | EXT_CH_MODE_FALLING_EDGE,
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/* cb */ power_down_cb,
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}, |
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/* channel 15 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 16 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 17 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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/* channel 18 */
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{
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/* mode */ EXT_CH_MODE_DISABLED,
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/* cb */ NULL, |
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}, |
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} |
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}; |
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void power_down_cb(EXTDriver *extp, expchannel_t channel) {
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(void) extp;
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(void) channel;
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// make sure we don't accidentally power down when somebody tries to wake us
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if (!palReadPad(GPIOC, GPIOC_SYS_PD_N))
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palWritePad(GPIOD, GPIOD_SYS_INT_N, PAL_LOW); // indicate that the module needs some time to shut down
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shutdown_now = 5; // = SHUTDOWN_HANDLE_REQUEST in main.cpp |
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} |