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dpgeorgedpgeorge
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stm32/i2c: Fully support peripheral I2C4.
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‎ports/stm32/i2c.c‎

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@@ -650,6 +650,10 @@ STATIC mp_obj_t pyb_i2c_make_new(const mp_obj_type_t *type, size_t n_args, size_
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} else if (strcmp(port, MICROPY_HW_I2C3_NAME) == 0) {
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i2c_id = 3;
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#endif
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#ifdef MICROPY_HW_I2C4_NAME
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} else if (strcmp(port, MICROPY_HW_I2C4_NAME) == 0) {
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i2c_id = 4;
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#endif
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} else {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
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"I2C(%s) doesn't exist", port));

‎ports/stm32/i2c.h‎

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@@ -42,6 +42,7 @@ typedef struct _pyb_i2c_obj_t {
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extern I2C_HandleTypeDef I2CHandle1;
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extern I2C_HandleTypeDef I2CHandle2;
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extern I2C_HandleTypeDef I2CHandle3;
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extern I2C_HandleTypeDef I2CHandle4;
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extern const mp_obj_type_t pyb_i2c_type;
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extern const pyb_i2c_obj_t pyb_i2c_obj[4];
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