113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
// ///////////////////// //
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// Red Panda chiplet + Harness //
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// ///////////////////// //
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// Most hardware functionality is similar to red panda
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void red_chiplet_enable_can_transceiver(uint8_t transceiver, bool enabled) {
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switch (transceiver) {
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case 1U:
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set_gpio_output(GPIOG, 11, !enabled);
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break;
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case 2U:
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set_gpio_output(GPIOB, 10, !enabled);
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break;
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case 3U:
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set_gpio_output(GPIOD, 7, !enabled);
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break;
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case 4U:
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set_gpio_output(GPIOB, 11, !enabled);
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break;
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default:
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break;
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}
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}
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void red_chiplet_enable_can_transceivers(bool enabled) {
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uint8_t main_bus = (harness.status == HARNESS_STATUS_FLIPPED) ? 3U : 1U;
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for (uint8_t i=1U; i<=4U; i++) {
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// Leave main CAN always on for CAN-based ignition detection
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if (i == main_bus) {
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red_chiplet_enable_can_transceiver(i, true);
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} else {
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red_chiplet_enable_can_transceiver(i, enabled);
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}
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}
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}
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void red_chiplet_set_fan_or_usb_load_switch(bool enabled) {
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set_gpio_output(GPIOD, 3, enabled);
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}
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void red_chiplet_init(void) {
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common_init_gpio();
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// A8, A3: OBD_SBU1_RELAY, OBD_SBU2_RELAY
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set_gpio_output_type(GPIOA, 8, OUTPUT_TYPE_OPEN_DRAIN);
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set_gpio_pullup(GPIOA, 8, PULL_NONE);
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set_gpio_output(GPIOA, 8, 1);
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set_gpio_mode(GPIOA, 8, MODE_OUTPUT);
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set_gpio_output_type(GPIOA, 3, OUTPUT_TYPE_OPEN_DRAIN);
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set_gpio_pullup(GPIOA, 3, PULL_NONE);
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set_gpio_output(GPIOA, 3, 1);
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set_gpio_mode(GPIOA, 3, MODE_OUTPUT);
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// G11,B10,D7,B11: transceiver enable
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set_gpio_pullup(GPIOG, 11, PULL_NONE);
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set_gpio_mode(GPIOG, 11, MODE_OUTPUT);
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set_gpio_pullup(GPIOB, 10, PULL_NONE);
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set_gpio_mode(GPIOB, 10, MODE_OUTPUT);
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set_gpio_pullup(GPIOD, 7, PULL_NONE);
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set_gpio_mode(GPIOD, 7, MODE_OUTPUT);
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set_gpio_pullup(GPIOB, 11, PULL_NONE);
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set_gpio_mode(GPIOB, 11, MODE_OUTPUT);
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// D3: usb load switch
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set_gpio_pullup(GPIOD, 3, PULL_NONE);
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set_gpio_mode(GPIOD, 3, MODE_OUTPUT);
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// B0: 5VOUT_S
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set_gpio_pullup(GPIOB, 0, PULL_NONE);
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set_gpio_mode(GPIOB, 0, MODE_ANALOG);
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// Initialize harness
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harness_init();
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// Initialize RTC
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rtc_init();
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// Enable CAN transceivers
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red_chiplet_enable_can_transceivers(true);
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// Disable LEDs
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red_set_led(LED_RED, false);
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red_set_led(LED_GREEN, false);
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red_set_led(LED_BLUE, false);
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// Set normal CAN mode
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red_set_can_mode(CAN_MODE_NORMAL);
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// flip CAN0 and CAN2 if we are flipped
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if (harness.status == HARNESS_STATUS_FLIPPED) {
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can_flip_buses(0, 2);
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}
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}
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const harness_configuration red_chiplet_harness_config = {
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.has_harness = true,
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.GPIO_SBU1 = GPIOC,
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.GPIO_SBU2 = GPIOA,
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.GPIO_relay_SBU1 = GPIOA,
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.GPIO_relay_SBU2 = GPIOA,
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.pin_SBU1 = 4,
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.pin_SBU2 = 1,
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.pin_relay_SBU1 = 8,
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.pin_relay_SBU2 = 3,
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.adc_channel_SBU1 = 4, // ADC12_INP4
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.adc_channel_SBU2 = 17 // ADC1_INP17
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};
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