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feat(core): support 4 i2c instances on U5

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tychovrahe 2024-11-07 09:03:23 +01:00 committed by TychoVrahe
parent 1f572fa14b
commit b94db1ff48
1 changed files with 41 additions and 0 deletions
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41
core/embed/trezorhal/stm32u5/i2c_bus.c
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@ -118,6 +118,21 @@ static const i2c_bus_def_t g_i2c_bus_def[I2C_COUNT] = {
.guard_time = I2C_INSTANCE_2_GUARD_TIME,
},
#endif
#ifdef I2C_INSTANCE_3
{
.regs = I2C_INSTANCE_3,
.scl_port = I2C_INSTANCE_3_SCL_PORT,
.sda_port = I2C_INSTANCE_3_SDA_PORT,
.scl_pin = I2C_INSTANCE_3_SCL_PIN,
.sda_pin = I2C_INSTANCE_3_SDA_PIN,
.pin_af = I2C_INSTANCE_3_PIN_AF,
.reset_reg = I2C_INSTANCE_3_RESET_REG,
.reset_bit = I2C_INSTANCE_3_RESET_BIT,
.ev_irq = I2C_INSTANCE_3_EV_IRQn,
.er_irq = I2C_INSTANCE_3_ER_IRQn,
.guard_time = I2C_INSTANCE_3_GUARD_TIME,
},
#endif
};
struct i2c_bus {
@ -274,6 +289,14 @@ static bool i2c_bus_init(i2c_bus_t* bus, int bus_index) {
I2C_INSTANCE_2_SDA_CLK_EN();
break;
#endif
#ifdef I2C_INSTANCE_3
case 3:
I2C_INSTANCE_3_CLK_EN();
I2C_INSTANCE_3_SCL_CLK_EN();
I2C_INSTANCE_3_SDA_CLK_EN();
break;
#endif
default:
goto cleanup;
}
@ -919,4 +942,22 @@ void I2C_INSTANCE_2_ER_IRQHandler(void) {
}
#endif
#ifdef I2C_INSTANCE_3
void I2C_INSTANCE_3_EV_IRQHandler(void) {
SEGGER_SYSVIEW_RecordEnterISR();
mpu_mode_t mpu_mode = mpu_reconfig(MPU_MODE_DEFAULT);
i2c_bus_ev_handler(&g_i2c_bus_driver[3]);
mpu_restore(mpu_mode);
SEGGER_SYSVIEW_RecordExitISR();
}
void I2C_INSTANCE_3_ER_IRQHandler(void) {
SEGGER_SYSVIEW_RecordEnterISR();
mpu_mode_t mpu_mode = mpu_reconfig(MPU_MODE_DEFAULT);
i2c_bus_er_handler(&g_i2c_bus_driver[3]);
mpu_restore(mpu_mode);
SEGGER_SYSVIEW_RecordExitISR();
}
#endif
#endif // KERNEL_MODE