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131 lines
3.3 KiB
131 lines
3.3 KiB
1 year ago
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// ////////////////////////// //
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// Cuatro (STM32H7) + Harness //
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// ////////////////////////// //
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void cuatro_set_led(uint8_t color, bool enabled) {
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switch (color) {
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case LED_RED:
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set_gpio_output(GPIOD, 15, !enabled);
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break;
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case LED_GREEN:
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set_gpio_output(GPIOD, 14, !enabled);
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break;
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case LED_BLUE:
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set_gpio_output(GPIOE, 2, !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 cuatro_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(GPIOB, 7, !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, 8, !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 cuatro_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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cuatro_enable_can_transceiver(i, true);
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} else {
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cuatro_enable_can_transceiver(i, enabled);
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}
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}
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}
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uint32_t cuatro_read_voltage_mV(void) {
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return adc_get_mV(8) * 11U;
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}
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uint32_t cuatro_read_current_mA(void) {
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return adc_get_mV(3) * 2U;
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}
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void cuatro_init(void) {
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red_chiplet_init();
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// Power readout
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set_gpio_mode(GPIOC, 5, MODE_ANALOG);
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set_gpio_mode(GPIOA, 6, MODE_ANALOG);
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// CAN transceiver enables
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set_gpio_pullup(GPIOB, 7, PULL_NONE);
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set_gpio_mode(GPIOB, 7, MODE_OUTPUT);
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set_gpio_pullup(GPIOD, 8, PULL_NONE);
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set_gpio_mode(GPIOD, 8, MODE_OUTPUT);
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// FDCAN3, different pins on this package than the rest of the reds
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set_gpio_pullup(GPIOD, 12, PULL_NONE);
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set_gpio_alternate(GPIOD, 12, GPIO_AF5_FDCAN3);
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set_gpio_pullup(GPIOD, 13, PULL_NONE);
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set_gpio_alternate(GPIOD, 13, GPIO_AF5_FDCAN3);
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// C2: SOM GPIO used as input (fan control at boot)
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set_gpio_mode(GPIOC, 2, MODE_INPUT);
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set_gpio_pullup(GPIOC, 2, PULL_DOWN);
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// SOM bootkick + reset lines
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set_gpio_mode(GPIOC, 12, MODE_OUTPUT);
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tres_set_bootkick(BOOT_BOOTKICK);
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// SOM debugging UART
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gpio_uart7_init();
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uart_init(&uart_ring_som_debug, 115200);
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// SPI init
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gpio_spi_init();
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// fan setup
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set_gpio_alternate(GPIOC, 8, GPIO_AF2_TIM3);
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// Initialize IR PWM and set to 0%
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set_gpio_alternate(GPIOC, 9, GPIO_AF2_TIM3);
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pwm_init(TIM3, 4);
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tres_set_ir_power(0U);
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// Clock source
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clock_source_init();
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}
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const board board_cuatro = {
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.harness_config = &red_chiplet_harness_config,
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.has_obd = true,
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.has_spi = true,
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.has_canfd = true,
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.has_rtc_battery = true,
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.fan_max_rpm = 6600U,
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.avdd_mV = 1800U,
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.fan_stall_recovery = false,
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.fan_enable_cooldown_time = 3U,
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.init = cuatro_init,
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.init_bootloader = unused_init_bootloader,
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.enable_can_transceiver = cuatro_enable_can_transceiver,
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.enable_can_transceivers = cuatro_enable_can_transceivers,
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.set_led = cuatro_set_led,
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.set_can_mode = red_chiplet_set_can_mode,
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.check_ignition = red_check_ignition,
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.read_voltage_mV = cuatro_read_voltage_mV,
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.read_current_mA = cuatro_read_current_mA,
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.set_fan_enabled = tres_set_fan_enabled,
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.set_ir_power = tres_set_ir_power,
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.set_siren = unused_set_siren,
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.set_bootkick = tres_set_bootkick,
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.read_som_gpio = tres_read_som_gpio
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};
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