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43 lines
1.4 KiB
43 lines
1.4 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 set_power_save_state(int state) {
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bool is_valid_state = (state == POWER_SAVE_STATUS_ENABLED) || (state == POWER_SAVE_STATUS_DISABLED);
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if (is_valid_state && (state != power_save_status)) {
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bool enable = false;
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if (state == POWER_SAVE_STATUS_ENABLED) {
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puts("enable power savings\n");
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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 (unsigned int i = 0; i < sizeof(UBLOX_SLEEP_MSG) - 1U; i++) while (!putc(ur, UBLOX_SLEEP_MSG[i]));
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}
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} else {
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puts("disable power savings\n");
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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 (unsigned int i = 0; i < sizeof(UBLOX_WAKE_MSG) - 1U; i++) while (!putc(ur, UBLOX_WAKE_MSG[i]));
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}
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enable = true;
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}
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// turn on can
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set_can_enable(CAN1, enable);
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set_can_enable(CAN2, enable);
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set_can_enable(CAN3, enable);
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// turn on GMLAN
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set_gpio_output(GPIOB, 14, enable);
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set_gpio_output(GPIOB, 15, enable);
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// turn on LIN
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set_gpio_output(GPIOB, 7, enable);
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set_gpio_output(GPIOA, 14, enable);
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power_save_status = state;
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}
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}
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