mirror of https://github.com/commaai/panda.git
103 lines
2.8 KiB
C
103 lines
2.8 KiB
C
#pragma once
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#include "board_declarations.h"
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// ///////////////////////////
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// Tres (STM32H7) + Harness //
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// ///////////////////////////
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static bool tres_ir_enabled;
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static bool tres_fan_enabled;
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static void tres_update_fan_ir_power(void) {
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red_chiplet_set_fan_or_usb_load_switch(tres_ir_enabled || tres_fan_enabled);
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}
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static void tres_set_ir_power(uint8_t percentage){
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tres_ir_enabled = (percentage > 0U);
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tres_update_fan_ir_power();
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pwm_set(TIM3, 4, percentage);
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}
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static void tres_set_bootkick(BootState state) {
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set_gpio_output(GPIOA, 0, state != BOOT_BOOTKICK);
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set_gpio_output(GPIOC, 12, state != BOOT_RESET);
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}
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static void tres_set_fan_enabled(bool enabled) {
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// NOTE: fan controller reset doesn't work on a tres if IR is enabled
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tres_fan_enabled = enabled;
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tres_update_fan_ir_power();
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}
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static bool tres_read_som_gpio (void) {
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return (get_gpio_input(GPIOC, 2) != 0);
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}
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static void tres_init(void) {
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// Enable USB 3.3V LDO for USB block
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register_set_bits(&(PWR->CR3), PWR_CR3_USBREGEN);
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register_set_bits(&(PWR->CR3), PWR_CR3_USB33DEN);
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while ((PWR->CR3 & PWR_CR3_USB33RDY) == 0U);
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red_chiplet_init();
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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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// WARNING: make sure output state is set before configuring as output
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tres_set_bootkick(BOOT_BOOTKICK);
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set_gpio_mode(GPIOC, 12, MODE_OUTPUT);
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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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// Fake siren
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set_gpio_alternate(GPIOC, 10, GPIO_AF4_I2C5);
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set_gpio_alternate(GPIOC, 11, GPIO_AF4_I2C5);
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register_set_bits(&(GPIOC->OTYPER), GPIO_OTYPER_OT10 | GPIO_OTYPER_OT11); // open drain
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// Clock source
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clock_source_init();
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}
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board board_tres = {
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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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.fan_max_rpm = 6600U,
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.fan_max_pwm = 100U,
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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 = tres_init,
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.init_bootloader = unused_init_bootloader,
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.enable_can_transceiver = red_chiplet_enable_can_transceiver,
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.enable_can_transceivers = red_chiplet_enable_can_transceivers,
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.set_led = red_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 = red_read_voltage_mV,
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.read_current_mA = unused_read_current,
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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 = fake_siren_set,
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.set_bootkick = tres_set_bootkick,
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.read_som_gpio = tres_read_som_gpio,
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.set_amp_enabled = unused_set_amp_enabled
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};
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