mirror of https://github.com/rusefi/rusefi-1.git
346 lines
9.2 KiB
C++
346 lines
9.2 KiB
C++
/**
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* @file pin_repository.cpp
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* @brief I/O pin registry code
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*
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* This job of this class is to make sure that we are not using same hardware pin for two
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* different purposes.
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*
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* @date Jan 15, 2013
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* @author Andrey Belomutskiy, (c) 2012-2020
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*/
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#include "global.h"
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#if EFI_PROD_CODE
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#include "os_access.h"
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#include "pin_repository.h"
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#include "eficonsole.h"
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#include "memstreams.h"
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#include "drivers/gpio/gpio_ext.h"
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#include "smart_gpio.h"
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#include "hardware.h"
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static LoggingWithStorage logger("pin repos");
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EXTERN_CONFIG;
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static PinRepository pinRepository;
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static int brainPin_to_index(brain_pin_e brainPin)
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{
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int index;
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if (brainPin < GPIOA_0)
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return -1;
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index = brainPin - GPIOA_0;
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if ((unsigned)index < getNumBrainPins())
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return index;
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/* gpiochips magic: skip gates for absent chips */
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#ifdef TLE8888_PIN_1
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if ((brainPin >= TLE8888_PIN_1) && (BOARD_TLE8888_COUNT == 0))
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index -= (TLE8888_PIN_28 -TLE8888_PIN_1 + 1);
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#endif
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#ifdef MC33972_PIN_1
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if ((brainPin >= MC33972_PIN_1) && (BOARD_MC33972_COUNT == 0))
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index -= (MC33972_PIN_22 - MC33972_PIN_1 + 1);
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#endif
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#ifdef TLE6240_PIN_1
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if ((brainPin >= TLE6240_PIN_1) && (BOARD_TLE6240_COUNT == 0))
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index -= (TLE6240_PIN_16 - TLE6240_PIN_1 + 1);
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#endif
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/* if index outside array boundary */
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if ((unsigned)index >= getNumBrainPins() + BOARD_EXT_PINREPOPINS)
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return -1;
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return index;
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}
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static brain_pin_e index_to_brainPin(unsigned int i)
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{
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brain_pin_e brainPin = (brain_pin_e)((int)GPIOA_0 + i);
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/* on-chip pins */
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if (i < getNumBrainPins())
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return brainPin;
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/* gpiochips magic: skip absent chips */
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#ifdef TLE6240_PIN_1
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if (BOARD_TLE6240_COUNT == 0)
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brainPin += (TLE6240_PIN_16 - TLE6240_PIN_1 + 1);
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#endif
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#ifdef MC33972_PIN_1
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if (BOARD_MC33972_COUNT == 0)
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brainPin += (MC33972_PIN_22 - MC33972_PIN_1 + 1);
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#endif
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#ifdef TLE8888_PIN_1
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if (BOARD_TLE8888_COUNT == 0)
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brainPin += (TLE8888_PIN_28 -TLE8888_PIN_1 + 1);
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#endif
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return brainPin;
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}
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static MemoryStream portNameStream;
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static char portNameBuffer[20];
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PinRepository::PinRepository() {
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msObjectInit(&portNameStream, (uint8_t*) portNameBuffer, sizeof(portNameBuffer), 0);
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initBrainUsedPins();
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}
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#if (BOARD_TLE8888_COUNT > 0)
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void tle8888_dump_regs(void)
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{
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// since responses are always in the NEXT transmission we will have this one first
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tle8888_read_reg(0, NULL);
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scheduleMsg(&logger, "register: data");
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for (int request = 0; request <= 0x7e + 1; request++) {
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uint16_t tmp;
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tle8888_read_reg(request < (0x7e + 1) ? request : 0x7e, &tmp);
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uint8_t reg = getRegisterFromResponse(tmp);
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uint8_t data = getDataFromResponse(tmp);
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scheduleMsg(&logger, "%02x: %02x", reg, data);
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}
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}
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#endif
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static void reportPins(void) {
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for (unsigned int i = 0; i < getNumBrainPins(); i++) {
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const char *pin_user = getBrainUsedPin(i);
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/* show used pins */
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if (pin_user != NULL) {
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brain_pin_e brainPin = index_to_brainPin(i);
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int pin = getBrainPinIndex(brainPin);
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ioportid_t port = getBrainPort(brainPin);
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scheduleMsg(&logger, "pin %s%d: %s", portname(port), pin, pin_user);
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}
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}
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#if (BOARD_EXT_GPIOCHIPS > 0)
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for (unsigned int i = getNumBrainPins() ; i < getNumBrainPins() + BOARD_EXT_PINREPOPINS /* gpiochips_get_total_pins()*/ ; i++) {
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static char pin_error[64];
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const char *pin_name;
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const char *pin_user;
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brain_pin_diag_e pin_diag;
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brain_pin_e brainPin = index_to_brainPin(i);
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pin_name = gpiochips_getPinName(brainPin);
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pin_user = getBrainUsedPin(i);
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pin_diag = gpiochips_getDiag(brainPin);
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/* use autogeneraged helpers here? */
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if (pin_diag == PIN_OK) {
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chsnprintf(pin_error, sizeof(pin_error), "Ok");
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} else if (pin_diag != PIN_INVALID) {
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chsnprintf(pin_error, sizeof(pin_error), "%s%s%s%s%s",
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pin_diag & PIN_OPEN ? "open_load " : "",
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pin_diag & PIN_SHORT_TO_GND ? "short_to_gnd " : "",
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pin_diag & PIN_SHORT_TO_BAT ? "short_to_bat " : "",
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pin_diag & PIN_OVERLOAD ? "overload " : "",
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pin_diag & PIN_DRIVER_OVERTEMP ? "overtemp": "");
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} else {
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chsnprintf(pin_error, sizeof(pin_error), "INVALID");
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}
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/* here show all pins, unused too */
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if (pin_name != NULL) {
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// this probably uses a lot of output buffer!
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scheduleMsg(&logger, "ext %s: %s diagnostic: %s",
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pin_name, pin_user ? pin_user : "free", pin_error);
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} else {
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const char *chip_name = gpiochips_getChipName(brainPin);
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/* if chip exist */
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if (chip_name != NULL) {
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scheduleMsg(&logger, "ext %s.%d: %s diagnostic: %s",
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chip_name, gpiochips_getPinOffset(brainPin), pin_user ? pin_user : "free", pin_error);
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}
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}
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}
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#endif
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scheduleMsg(&logger, "Total pins count: %d", pinRepository.totalPinsUsed);
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}
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void printSpiConfig(Logging *logging, const char *msg, spi_device_e device) {
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scheduleMsg(logging, "%s %s mosi=%s", msg, getSpi_device_e(device), hwPortname(getMosiPin(device)));
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scheduleMsg(logging, "%s %s miso=%s", msg, getSpi_device_e(device), hwPortname(getMisoPin(device)));
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scheduleMsg(logging, "%s %s sck=%s", msg, getSpi_device_e(device), hwPortname(getSckPin(device)));
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}
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const char *hwPortname(brain_pin_e brainPin) {
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if (brainPin == GPIO_INVALID) {
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return "INVALID";
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}
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if (brainPin == GPIO_UNASSIGNED) {
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return "NONE";
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}
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portNameStream.eos = 0; // reset
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if (brain_pin_is_onchip(brainPin)) {
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ioportid_t hwPort = getHwPort("hostname", brainPin);
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if (hwPort == GPIO_NULL) {
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return "NONE";
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}
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int hwPin = getHwPin("hostname", brainPin);
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chprintf((BaseSequentialStream *) &portNameStream, "%s%d", portname(hwPort), hwPin);
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}
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#if (BOARD_EXT_GPIOCHIPS > 0)
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else {
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const char *pin_name = gpiochips_getPinName(brainPin);
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if (pin_name) {
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chprintf((BaseSequentialStream *) &portNameStream, "ext:%s",
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pin_name);
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} else {
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chprintf((BaseSequentialStream *) &portNameStream, "ext:%s.%d",
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gpiochips_getChipName(brainPin), gpiochips_getPinOffset(brainPin));
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}
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}
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#endif
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portNameStream.buffer[portNameStream.eos] = 0; // need to terminate explicitly
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return portNameBuffer;
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}
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void initPinRepository(void) {
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/**
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* this method cannot use console because this method is invoked before console is initialized
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*/
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addConsoleAction(CMD_PINS, reportPins);
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#if (BOARD_TLE8888_COUNT > 0)
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addConsoleAction("tle8888", tle8888_dump_regs);
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addConsoleAction("tle8888init", tle8888_req_init);
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#endif
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}
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bool brain_pin_is_onchip(brain_pin_e brainPin)
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{
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if ((brainPin < GPIOA_0) || (brainPin > BRAIN_PIN_LAST_ONCHIP))
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return false;
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return true;
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}
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bool brain_pin_is_ext(brain_pin_e brainPin)
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{
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if (brainPin > BRAIN_PIN_LAST_ONCHIP)
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return true;
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return false;
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}
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/**
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* See also brain_pin_markUnused()
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* @return true if this pin was already used, false otherwise
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*/
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bool brain_pin_markUsed(brain_pin_e brainPin, const char *msg) {
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#if ! EFI_BOOTLOADER
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scheduleMsg(&logger, "%s on %s", msg, hwPortname(brainPin));
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#endif
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int index = brainPin_to_index(brainPin);
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if (index < 0)
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return true;
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if (getBrainUsedPin(index) != NULL) {
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/* TODO: get readable name of brainPin... */
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/**
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* todo: the problem is that this warning happens before the console is even
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* connected, so the warning is never displayed on the console and that's quite a problem!
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*/
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// warning(OBD_PCM_Processor_Fault, "brain pin %d req by %s used by %s", brainPin, msg, getBrainUsedPin(index));
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firmwareError(CUSTOM_ERR_PIN_ALREADY_USED_1, "Pin \"%s\" required by \"%s\" but is used by \"%s\" %s",
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hwPortname(brainPin),
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msg,
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getBrainUsedPin(index),
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getEngine_type_e(engineConfiguration->engineType));
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return true;
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}
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getBrainUsedPin(index) = msg;
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pinRepository.totalPinsUsed++;
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return false;
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}
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/**
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* See also brain_pin_markUsed()
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*/
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void brain_pin_markUnused(brain_pin_e brainPin) {
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int index = brainPin_to_index(brainPin);
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if (index < 0)
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return;
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if (getBrainUsedPin(index) != NULL)
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pinRepository.totalPinsUsed--;
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getBrainUsedPin(index) = nullptr;
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}
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/**
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* Marks on-chip gpio port-pin as used. Works only for on-chip gpios
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* To be replaced with brain_pin_markUsed later
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*/
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bool gpio_pin_markUsed(ioportid_t port, ioportmask_t pin, const char *msg) {
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int index = getBrainIndex(port, pin);
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if (getBrainUsedPin(index) != NULL) {
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/**
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* todo: the problem is that this warning happens before the console is even
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* connected, so the warning is never displayed on the console and that's quite a problem!
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*/
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// warning(OBD_PCM_Processor_Fault, "%s%d req by %s used by %s", portname(port), pin, msg, getBrainUsedPin(index));
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firmwareError(CUSTOM_ERR_PIN_ALREADY_USED_1, "%s%d req by %s used by %s", portname(port), pin, msg, getBrainUsedPin(index));
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return true;
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}
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getBrainUsedPin(index) = msg;
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pinRepository.totalPinsUsed++;
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return false;
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}
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/**
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* Marks on-chip gpio port-pin as UNused. Works only for on-chip gpios
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* To be replaced with brain_pin_markUnused later
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*/
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void gpio_pin_markUnused(ioportid_t port, ioportmask_t pin) {
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int index = getBrainIndex(port, pin);
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if (getBrainUsedPin(index) != NULL)
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pinRepository.totalPinsUsed--;
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getBrainUsedPin(index) = nullptr;
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}
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const char *getPinFunction(brain_input_pin_e brainPin) {
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int index;
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index = brainPin_to_index(brainPin);
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if (index < 0)
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return NULL;
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return getBrainUsedPin(index);
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}
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#else
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const char *hwPortname(brain_pin_e brainPin) {
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(void)brainPin;
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return "N/A";
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}
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#endif /* EFI_PROD_CODE */
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