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57 lines
1.5 KiB
57 lines
1.5 KiB
#define POWER_SAVE_STATUS_DISABLED 0
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#define POWER_SAVE_STATUS_ENABLED 1
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int power_save_status = POWER_SAVE_STATUS_DISABLED;
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void power_save_enable(void) {
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if (power_save_status == POWER_SAVE_STATUS_ENABLED) return;
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puts("enable power savings\n");
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// turn off can
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set_can_enable(CAN1, 0);
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set_can_enable(CAN2, 0);
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set_can_enable(CAN3, 0);
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// turn off GMLAN
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set_gpio_output(GPIOB, 14, 0);
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set_gpio_output(GPIOB, 15, 0);
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// turn off LIN
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set_gpio_output(GPIOB, 7, 0);
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set_gpio_output(GPIOA, 14, 0);
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if (is_grey_panda) {
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char UBLOX_SLEEP_MSG[] = "\xb5\x62\x06\x04\x04\x00\x01\x00\x08\x00\x17\x78";
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uart_ring *ur = get_ring_by_number(1);
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for (int i = 0; i < sizeof(UBLOX_SLEEP_MSG)-1; i++) while (!putc(ur, UBLOX_SLEEP_MSG[i]));
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}
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power_save_status = POWER_SAVE_STATUS_ENABLED;
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}
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void power_save_disable(void) {
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if (power_save_status == POWER_SAVE_STATUS_DISABLED) return;
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puts("disable power savings\n");
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// turn on can
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set_can_enable(CAN1, 1);
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set_can_enable(CAN2, 1);
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set_can_enable(CAN3, 1);
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// turn on GMLAN
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set_gpio_output(GPIOB, 14, 1);
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set_gpio_output(GPIOB, 15, 1);
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// turn on LIN
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set_gpio_output(GPIOB, 7, 1);
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set_gpio_output(GPIOA, 14, 1);
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if (is_grey_panda) {
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char UBLOX_WAKE_MSG[] = "\xb5\x62\x06\x04\x04\x00\x01\x00\x09\x00\x18\x7a";
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uart_ring *ur = get_ring_by_number(1);
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for (int i = 0; i < sizeof(UBLOX_WAKE_MSG)-1; i++) while (!putc(ur, UBLOX_WAKE_MSG[i]));
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}
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power_save_status = POWER_SAVE_STATUS_DISABLED;
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}
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