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mc33810: diagnostic for GPGD mode, comments, ops number two

This commit is contained in:
Andrey Gusakov 2024-01-04 19:17:29 +03:00 committed by rusefillc
parent 0a4d330483
commit 63f8755820
1 changed files with 48 additions and 19 deletions
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53
firmware/hw_layer/drivers/gpio/mc33810.cpp
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@ -11,6 +11,12 @@
*
* @date Jan 03, 2020
* @author Andrey Gusakov <dron0gus@gmail.com>, (c) 2020
*
* Masks bits/inputs numbers:
* 0..3 - OUT1 .. 3 - Low-Side Injector drivers, 4.5A max
* driven through DIN0 .. 3 or SPI (not supported)
* 4..7 - GD0 .. 3 - Gate Driver outputs - IGBT of MOSFET pre-drivers,
* driven throug GIN0 .. 3 or SPI in GPGD mode (not supported)
*/
#include "pch.h"
@ -126,6 +132,8 @@ struct Mc33810 : public GpioChip {
uint8_t o_state;
/* direct driven output mask */
uint8_t o_direct_mask;
/* IGN/GPGD mode bits: [7:4] - GP3..GP0 */
uint8_t o_gpgd_mask;
/* ALL STATUS RESPONSE value and flags */
bool all_status_updated;
@ -133,8 +141,9 @@ struct Mc33810 : public GpioChip {
/* OUTx fault registers */
uint16_t out_fault[2];
/* GPGD mode fault register */
uint16_t gpgd_fault;
/* GP mode fault register */
/* TODO: check documentation if these faults also applied to GPx outputs in IGN mode */
uint16_t gp_fault;
/* IGN mode fault register */
uint16_t ign_fault;
@ -263,7 +272,7 @@ int Mc33810::update_output_and_diag()
}
/* now we have updated ALL STATUS register in chip data */
/* check OUT (injectors) first */
/* check OUTx (injectors) first */
if (all_status_value & 0x000f) {
/* request diagnostic of OUT0 and OUT1 */
ret = spi_rw(MC_CMD_READ_REG(REG_OUT10_FAULT), NULL);
@ -277,17 +286,21 @@ int Mc33810::update_output_and_diag()
ret = spi_rw(MC_CMD_READ_REG(REG_ALL_STAT), &out_fault[1]);
if (ret)
return ret;
} else {
out_fault[0] = out_fault[1] = 0;
}
/* check GPGD - mode not supported yet */
/* check outputs in GPGD mode */
if (all_status_value & 0x00f0) {
/* request diagnostic of GPGD */
ret = spi_rw(MC_CMD_READ_REG(REG_GPGD_FAULT), NULL);
if (ret)
return ret;
/* get diagnostic for GPGD and request ALL STATUS */
ret = spi_rw(MC_CMD_READ_REG(REG_ALL_STAT), &gpgd_fault);
ret = spi_rw(MC_CMD_READ_REG(REG_ALL_STAT), &gp_fault);
if (ret)
return ret;
} else {
gp_fault = 0;
}
/* check IGN */
if (all_status_value & 0x0f00) {
@ -299,6 +312,8 @@ int Mc33810::update_output_and_diag()
ret = spi_rw(MC_CMD_READ_REG(REG_ALL_STAT), &ign_fault);
if (ret)
return ret;
} else {
ign_fault = 0;
}
alive_cnt++;
@ -421,12 +436,16 @@ int Mc33810::chip_init()
goto err_exit;
}
/* update local configuration mask */
o_gpgd_mask =
(engineConfiguration->mc33810Gpgd0Mode << 4) |
(engineConfiguration->mc33810Gpgd1Mode << 5) |
(engineConfiguration->mc33810Gpgd2Mode << 6) |
(engineConfiguration->mc33810Gpgd3Mode << 7);
uint16_t mode_select_cmd =
/* set IGN/GP mode for GPx outputs */
(engineConfiguration->mc33810Gpgd0Mode << 8) |
(engineConfiguration->mc33810Gpgd1Mode << 9) |
(engineConfiguration->mc33810Gpgd2Mode << 10) |
(engineConfiguration->mc33810Gpgd3Mode << 11) |
/* set IGN/GP mode for GPx outputs: [7:4] to [11:8] */
((o_gpgd_mask & 0xf0) << 4) |
/* disable/enable retry after recovering from under/overvoltage */
(engineConfiguration->mc33810DisableRecoveryMode << 6) |
0;
@ -591,7 +610,16 @@ brain_pin_diag_e Mc33810::getDiag(size_t pin)
if (val & BIT(3))
diag |= PIN_DRIVER_OVERTEMP;
} else {
/* INJ drivers, GPGD mode is not supported */
/* Commom GP faults */
val = gp_fault >> (2 * (pin - 4));
if (val & BIT(0))
diag |= PIN_OPEN;
if (val & BIT(1))
diag |= PIN_SHORT_TO_GND;
/* IGN mode faults, only if not in GPGD mode */
if ((o_gpgd_mask & BIT(pin)) == 0) {
val = ign_fault >> (3 * (pin - 4));
/* open load */
@ -604,6 +632,7 @@ brain_pin_diag_e Mc33810::getDiag(size_t pin)
if (val & BIT(2))
diag |= PIN_OVERLOAD;
}
}
/* convert to some common enum? */
return static_cast<brain_pin_diag_e>(diag);
}
@ -689,7 +718,7 @@ void mc33810_req_init() {
size_t i;
for (i = 0; i < BOARD_MC33810_COUNT; i++) {
auto& chip = chips[0];
auto& chip = chips[i];
chip.need_init = true;
}