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-rw-r--r--stmhal/i2c.c295
1 files changed, 231 insertions, 64 deletions
diff --git a/stmhal/i2c.c b/stmhal/i2c.c
index e1dd83d2f8..d94a99ee9e 100644
--- a/stmhal/i2c.c
+++ b/stmhal/i2c.c
@@ -11,8 +11,12 @@
#include "runtime.h"
#include "pin.h"
#include "genhdr/pins.h"
+#include "bufhelper.h"
#include "i2c.h"
+#define PYB_I2C_MASTER (0)
+#define PYB_I2C_SLAVE (1)
+
#if MICROPY_HW_ENABLE_I2C1
I2C_HandleTypeDef I2CHandle1 = {.Instance = NULL};
#endif
@@ -65,15 +69,6 @@ void i2c_init(I2C_HandleTypeDef *i2c) {
}
// init the I2C device
- i2c->Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
- i2c->Init.ClockSpeed = 400000;
- i2c->Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;
- i2c->Init.DutyCycle = I2C_DUTYCYCLE_16_9;
- i2c->Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;
- i2c->Init.NoStretchMode = I2C_NOSTRETCH_DISABLED;
- i2c->Init.OwnAddress1 = 0xfe; // unused
- i2c->Init.OwnAddress2 = 0xfe; // unused
-
if (HAL_I2C_Init(i2c) != HAL_OK) {
// init error
// TODO should raise an exception, but this function is not necessarily going to be
@@ -83,6 +78,22 @@ void i2c_init(I2C_HandleTypeDef *i2c) {
}
}
+void i2c_deinit(I2C_HandleTypeDef *i2c) {
+ HAL_I2C_DeInit(i2c);
+ if (0) {
+#if MICROPY_HW_ENABLE_I2C1
+ } else if (i2c->Instance == I2C1) {
+ __I2C1_FORCE_RESET();
+ __I2C1_RELEASE_RESET();
+ __I2C1_CLK_DISABLE();
+#endif
+ } else if (i2c->Instance == I2C2) {
+ __I2C2_FORCE_RESET();
+ __I2C2_RELEASE_RESET();
+ __I2C2_CLK_DISABLE();
+ }
+}
+
/******************************************************************************/
/* Micro Python bindings */
@@ -91,6 +102,8 @@ typedef struct _pyb_i2c_obj_t {
I2C_HandleTypeDef *i2c;
} pyb_i2c_obj_t;
+STATIC inline bool in_master_mode(pyb_i2c_obj_t *self) { return self->i2c->Init.OwnAddress1 == PYB_I2C_MASTER_ADDRESS; }
+
STATIC const pyb_i2c_obj_t pyb_i2c_obj[] = {
#if MICROPY_HW_ENABLE_I2C1
{{&pyb_i2c_type}, &I2CHandle1},
@@ -101,9 +114,64 @@ STATIC const pyb_i2c_obj_t pyb_i2c_obj[] = {
};
#define PYB_NUM_I2C (sizeof(pyb_i2c_obj) / sizeof(pyb_i2c_obj[0]))
+STATIC void pyb_i2c_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
+ pyb_i2c_obj_t *self = self_in;
+
+ uint i2c_num;
+ if (self->i2c->Instance == I2C1) { i2c_num = 1; }
+ else { i2c_num = 2; }
+
+ if (self->i2c->State == HAL_I2C_STATE_RESET) {
+ print(env, "I2C(%u)", i2c_num);
+ } else {
+ if (in_master_mode(self)) {
+ print(env, "I2C(%u, I2C.MASTER, baudrate=%u)", i2c_num, self->i2c->Init.ClockSpeed);
+ } else {
+ print(env, "I2C(%u, I2C.SLAVE, addr=0x%02x)", i2c_num, (self->i2c->Instance->OAR1 >> 1) & 0x7f);
+ }
+ }
+}
+
+STATIC const mp_arg_parse_t pyb_i2c_init_accepted_args[] = {
+ { MP_QSTR_mode, MP_ARG_PARSE_REQUIRED | MP_ARG_PARSE_INT, {.u_int = 0} },
+ { MP_QSTR_addr, MP_ARG_PARSE_KW_ONLY | MP_ARG_PARSE_INT, {.u_int = 0x12} },
+ { MP_QSTR_baudrate, MP_ARG_PARSE_KW_ONLY | MP_ARG_PARSE_INT, {.u_int = 400000} },
+ { MP_QSTR_gencall, MP_ARG_PARSE_KW_ONLY | MP_ARG_PARSE_BOOL, {.u_bool = false} },
+};
+#define PYB_I2C_INIT_NUM_ARGS (sizeof(pyb_i2c_init_accepted_args) / sizeof(pyb_i2c_init_accepted_args[0]))
+
+STATIC mp_obj_t pyb_i2c_init_helper(const pyb_i2c_obj_t *self, uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
+ // parse args
+ mp_arg_parse_val_t vals[PYB_I2C_INIT_NUM_ARGS];
+ mp_arg_parse_all(n_args, args, kw_args, PYB_I2C_INIT_NUM_ARGS, pyb_i2c_init_accepted_args, vals);
+
+ // set the I2C configuration values
+ I2C_InitTypeDef *init = &self->i2c->Init;
+
+ if (vals[0].u_int == PYB_I2C_MASTER) {
+ // use a special address to indicate we are a master
+ init->OwnAddress1 = PYB_I2C_MASTER_ADDRESS;
+ } else {
+ init->OwnAddress1 = (vals[1].u_int << 1) & 0xfe;
+ }
+
+ init->AddressingMode = I2C_ADDRESSINGMODE_7BIT;
+ init->ClockSpeed = MIN(vals[2].u_int, 400000);
+ init->DualAddressMode = I2C_DUALADDRESS_DISABLED;
+ init->DutyCycle = I2C_DUTYCYCLE_16_9;
+ init->GeneralCallMode = vals[3].u_bool ? I2C_GENERALCALL_ENABLED : I2C_GENERALCALL_DISABLED;
+ init->NoStretchMode = I2C_NOSTRETCH_DISABLED;
+ init->OwnAddress2 = 0xfe; // unused
+
+ // init the I2C bus
+ i2c_init(self->i2c);
+
+ return mp_const_none;
+}
+
STATIC mp_obj_t pyb_i2c_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
// check arguments
- mp_arg_check_num(n_args, n_kw, 1, 1, false);
+ mp_arg_check_num(n_args, n_kw, 1, MP_OBJ_FUN_ARGS_MAX, true);
// get i2c number
machine_int_t i2c_id = mp_obj_get_int(args[0]) - 1;
@@ -113,18 +181,39 @@ STATIC mp_obj_t pyb_i2c_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "I2C bus %d does not exist", i2c_id + 1));
}
- // get i2c object
+ // get I2C object
const pyb_i2c_obj_t *i2c_obj = &pyb_i2c_obj[i2c_id];
- // start the peripheral
- i2c_init(i2c_obj->i2c);
+ if (n_args > 1 || n_kw > 0) {
+ // start the peripheral
+ mp_map_t kw_args;
+ mp_map_init_fixed_table(&kw_args, n_kw, args + n_args);
+ pyb_i2c_init_helper(i2c_obj, n_args - 1, args + 1, &kw_args);
+ }
return (mp_obj_t)i2c_obj;
}
+STATIC mp_obj_t pyb_i2c_init(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
+ return pyb_i2c_init_helper(args[0], n_args - 1, args + 1, kw_args);
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_i2c_init_obj, 1, pyb_i2c_init);
+
+STATIC mp_obj_t pyb_i2c_deinit(mp_obj_t self_in) {
+ pyb_i2c_obj_t *self = self_in;
+ i2c_deinit(self->i2c);
+ return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_i2c_deinit_obj, pyb_i2c_deinit);
+
// Check if an I2C device responds to the given address.
STATIC mp_obj_t pyb_i2c_is_ready(mp_obj_t self_in, mp_obj_t i2c_addr_o) {
pyb_i2c_obj_t *self = self_in;
+
+ if (!in_master_mode(self)) {
+ nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "I2C must be a master"));
+ }
+
machine_uint_t i2c_addr = mp_obj_get_int(i2c_addr_o) << 1;
for (int i = 0; i < 10; i++) {
@@ -136,13 +225,16 @@ STATIC mp_obj_t pyb_i2c_is_ready(mp_obj_t self_in, mp_obj_t i2c_addr_o) {
return mp_const_false;
}
-
STATIC MP_DEFINE_CONST_FUN_OBJ_2(pyb_i2c_is_ready_obj, pyb_i2c_is_ready);
// Scan all I2C addresses from 0x01 to 0x7f and return a list of those that respond.
STATIC mp_obj_t pyb_i2c_scan(mp_obj_t self_in) {
pyb_i2c_obj_t *self = self_in;
+ if (!in_master_mode(self)) {
+ nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "I2C must be a master"));
+ }
+
mp_obj_t list = mp_obj_new_list(0, NULL);
for (uint addr = 1; addr <= 127; addr++) {
@@ -157,88 +249,156 @@ STATIC mp_obj_t pyb_i2c_scan(mp_obj_t self_in) {
return list;
}
-
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_i2c_scan_obj, pyb_i2c_scan);
-STATIC mp_obj_t pyb_i2c_read(mp_obj_t self_in, mp_obj_t i2c_addr_in, mp_obj_t n_in) {
- pyb_i2c_obj_t *self = self_in;
- machine_uint_t i2c_addr = mp_obj_get_int(i2c_addr_in) << 1;
- machine_uint_t n = mp_obj_get_int(n_in);
+STATIC const mp_arg_parse_t pyb_i2c_send_accepted_args[] = {
+ { MP_QSTR_send, MP_ARG_PARSE_REQUIRED | MP_ARG_PARSE_OBJ, {.u_obj = MP_OBJ_NULL} },
+ { MP_QSTR_addr, MP_ARG_PARSE_INT, {.u_int = PYB_I2C_MASTER_ADDRESS} },
+ { MP_QSTR_timeout, MP_ARG_PARSE_KW_ONLY | MP_ARG_PARSE_INT, {.u_int = 5000} },
+};
+#define PYB_I2C_SEND_NUM_ARGS (sizeof(pyb_i2c_send_accepted_args) / sizeof(pyb_i2c_send_accepted_args[0]))
- byte *data;
- mp_obj_t o = mp_obj_str_builder_start(&mp_type_bytes, n, &data);
- HAL_StatusTypeDef status = HAL_I2C_Master_Receive(self->i2c, i2c_addr, data, n, 500);
+STATIC mp_obj_t pyb_i2c_send(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
+ pyb_i2c_obj_t *self = args[0];
+
+ // parse args
+ mp_arg_parse_val_t vals[PYB_I2C_SEND_NUM_ARGS];
+ mp_arg_parse_all(n_args - 1, args + 1, kw_args, PYB_I2C_SEND_NUM_ARGS, pyb_i2c_send_accepted_args, vals);
+
+ // get the buffer to send from
+ mp_buffer_info_t bufinfo;
+ uint8_t data[1];
+ pyb_buf_get_for_send(vals[0].u_obj, &bufinfo, data);
+
+ // send the data
+ HAL_StatusTypeDef status;
+ if (in_master_mode(self)) {
+ if (vals[1].u_int == PYB_I2C_MASTER_ADDRESS) {
+ nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "addr argument required"));
+ }
+ machine_uint_t i2c_addr = vals[1].u_int << 1;
+ status = HAL_I2C_Master_Transmit(self->i2c, i2c_addr, bufinfo.buf, bufinfo.len, vals[2].u_int);
+ } else {
+ status = HAL_I2C_Slave_Transmit(self->i2c, bufinfo.buf, bufinfo.len, vals[2].u_int);
+ }
if (status != HAL_OK) {
// TODO really need a HardwareError object, or something
- nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_Exception, "HAL_I2C_Master_Receive failed with code %d", status));
+ nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_Exception, "HAL_I2C_xxx_Transmit failed with code %d", status));
}
- return mp_obj_str_builder_end(o);
+ return mp_const_none;
}
+STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_i2c_send_obj, 1, pyb_i2c_send);
+
+STATIC const mp_arg_parse_t pyb_i2c_recv_accepted_args[] = {
+ { MP_QSTR_recv, MP_ARG_PARSE_REQUIRED | MP_ARG_PARSE_OBJ, {.u_obj = MP_OBJ_NULL} },
+ { MP_QSTR_addr, MP_ARG_PARSE_INT, {.u_int = PYB_I2C_MASTER_ADDRESS} },
+ { MP_QSTR_timeout, MP_ARG_PARSE_KW_ONLY | MP_ARG_PARSE_INT, {.u_int = 5000} },
+};
+#define PYB_I2C_RECV_NUM_ARGS (sizeof(pyb_i2c_recv_accepted_args) / sizeof(pyb_i2c_recv_accepted_args[0]))
-STATIC MP_DEFINE_CONST_FUN_OBJ_3(pyb_i2c_read_obj, pyb_i2c_read);
+STATIC mp_obj_t pyb_i2c_recv(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
+ pyb_i2c_obj_t *self = args[0];
-STATIC mp_obj_t pyb_i2c_write(mp_obj_t self_in, mp_obj_t i2c_addr_in, mp_obj_t data_in) {
- pyb_i2c_obj_t *self = self_in;
- machine_uint_t i2c_addr = mp_obj_get_int(i2c_addr_in) << 1;
+ // parse args
+ mp_arg_parse_val_t vals[PYB_I2C_RECV_NUM_ARGS];
+ mp_arg_parse_all(n_args - 1, args + 1, kw_args, PYB_I2C_RECV_NUM_ARGS, pyb_i2c_recv_accepted_args, vals);
+
+ // get the buffer to receive into
+ mp_buffer_info_t bufinfo;
+ mp_obj_t o_ret = pyb_buf_get_for_recv(vals[0].u_obj, &bufinfo);
+
+ // receive the data
HAL_StatusTypeDef status;
- if (MP_OBJ_IS_INT(data_in)) {
- uint8_t data[1] = {mp_obj_get_int(data_in)};
- status = HAL_I2C_Master_Transmit(self->i2c, i2c_addr, data, 1, 500);
+ if (in_master_mode(self)) {
+ if (vals[1].u_int == PYB_I2C_MASTER_ADDRESS) {
+ nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "addr argument required"));
+ }
+ machine_uint_t i2c_addr = vals[1].u_int << 1;
+ status = HAL_I2C_Master_Receive(self->i2c, i2c_addr, bufinfo.buf, bufinfo.len, vals[2].u_int);
} else {
- mp_buffer_info_t bufinfo;
- mp_get_buffer_raise(data_in, &bufinfo, MP_BUFFER_READ);
- status = HAL_I2C_Master_Transmit(self->i2c, i2c_addr, bufinfo.buf, bufinfo.len, 500);
+ status = HAL_I2C_Slave_Receive(self->i2c, bufinfo.buf, bufinfo.len, vals[2].u_int);
}
if (status != HAL_OK) {
// TODO really need a HardwareError object, or something
- nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_Exception, "HAL_I2C_Master_Transmit failed with code %d", status));
+ nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_Exception, "HAL_I2C_xxx_Receive failed with code %d", status));
}
- return mp_const_none;
+ // return the received data
+ if (o_ret == MP_OBJ_NULL) {
+ return vals[0].u_obj;
+ } else {
+ return mp_obj_str_builder_end(o_ret);
+ }
}
+STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_i2c_recv_obj, 1, pyb_i2c_recv);
-STATIC MP_DEFINE_CONST_FUN_OBJ_3(pyb_i2c_write_obj, pyb_i2c_write);
+STATIC const mp_arg_parse_t pyb_i2c_mem_read_accepted_args[] = {
+ { MP_QSTR_data, MP_ARG_PARSE_REQUIRED | MP_ARG_PARSE_OBJ, {.u_obj = MP_OBJ_NULL} },
+ { MP_QSTR_addr, MP_ARG_PARSE_REQUIRED | MP_ARG_PARSE_INT, {.u_int = 0} },
+ { MP_QSTR_memaddr, MP_ARG_PARSE_REQUIRED | MP_ARG_PARSE_INT, {.u_int = 0} },
+ { MP_QSTR_timeout, MP_ARG_PARSE_KW_ONLY | MP_ARG_PARSE_INT, {.u_int = 5000} },
+};
+#define PYB_I2C_MEM_READ_NUM_ARGS (sizeof(pyb_i2c_mem_read_accepted_args) / sizeof(pyb_i2c_mem_read_accepted_args[0]))
-STATIC mp_obj_t pyb_i2c_mem_read(uint n_args, const mp_obj_t *args) {
+STATIC mp_obj_t pyb_i2c_mem_read(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
pyb_i2c_obj_t *self = args[0];
- machine_uint_t i2c_addr = mp_obj_get_int(args[1]) << 1;
- machine_uint_t mem_addr = mp_obj_get_int(args[2]);
- machine_uint_t n = mp_obj_get_int(args[3]);
- byte *data;
- mp_obj_t o = mp_obj_str_builder_start(&mp_type_bytes, n, &data);
- HAL_StatusTypeDef status = HAL_I2C_Mem_Read(self->i2c, i2c_addr, mem_addr, I2C_MEMADD_SIZE_8BIT, data, n, 200);
+ if (!in_master_mode(self)) {
+ nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "I2C must be a master"));
+ }
+
+ // parse args
+ mp_arg_parse_val_t vals[PYB_I2C_MEM_READ_NUM_ARGS];
+ mp_arg_parse_all(n_args - 1, args + 1, kw_args, PYB_I2C_MEM_READ_NUM_ARGS, pyb_i2c_mem_read_accepted_args, vals);
+
+ // get the buffer to read into
+ mp_buffer_info_t bufinfo;
+ mp_obj_t o_ret = pyb_buf_get_for_recv(vals[0].u_obj, &bufinfo);
- //printf("Read got %d\n", status);
+ // get the addresses
+ machine_uint_t i2c_addr = vals[1].u_int << 1;
+ machine_uint_t mem_addr = vals[2].u_int;
+
+ HAL_StatusTypeDef status = HAL_I2C_Mem_Read(self->i2c, i2c_addr, mem_addr, I2C_MEMADD_SIZE_8BIT, bufinfo.buf, bufinfo.len, vals[3].u_int);
if (status != HAL_OK) {
// TODO really need a HardwareError object, or something
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_Exception, "HAL_I2C_Mem_Read failed with code %d", status));
}
- return mp_obj_str_builder_end(o);
+ // return the read data
+ if (o_ret == MP_OBJ_NULL) {
+ return vals[0].u_obj;
+ } else {
+ return mp_obj_str_builder_end(o_ret);
+ }
}
+STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_i2c_mem_read_obj, 1, pyb_i2c_mem_read);
-STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_i2c_mem_read_obj, 4, 4, pyb_i2c_mem_read);
-
-STATIC mp_obj_t pyb_i2c_mem_write(uint n_args, const mp_obj_t *args) {
+STATIC mp_obj_t pyb_i2c_mem_write(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) {
pyb_i2c_obj_t *self = args[0];
- machine_uint_t i2c_addr = mp_obj_get_int(args[1]) << 1;
- machine_uint_t mem_addr = mp_obj_get_int(args[2]);
- HAL_StatusTypeDef status;
- if (MP_OBJ_IS_INT(args[3])) {
- uint8_t data[1] = {mp_obj_get_int(args[3])};
- status = HAL_I2C_Mem_Write(self->i2c, i2c_addr, mem_addr, I2C_MEMADD_SIZE_8BIT, data, 1, 200);
- } else {
- mp_buffer_info_t bufinfo;
- mp_get_buffer_raise(args[3], &bufinfo, MP_BUFFER_READ);
- status = HAL_I2C_Mem_Write(self->i2c, i2c_addr, mem_addr, I2C_MEMADD_SIZE_8BIT, bufinfo.buf, bufinfo.len, 200);
+
+ if (!in_master_mode(self)) {
+ nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "I2C must be a master"));
}
- //printf("Write got %d\n", status);
+ // parse args (same as mem_read)
+ mp_arg_parse_val_t vals[PYB_I2C_MEM_READ_NUM_ARGS];
+ mp_arg_parse_all(n_args - 1, args + 1, kw_args, PYB_I2C_MEM_READ_NUM_ARGS, pyb_i2c_mem_read_accepted_args, vals);
+
+ // get the buffer to write from
+ mp_buffer_info_t bufinfo;
+ uint8_t data[1];
+ pyb_buf_get_for_send(vals[0].u_obj, &bufinfo, data);
+
+ // get the addresses
+ machine_uint_t i2c_addr = vals[1].u_int << 1;
+ machine_uint_t mem_addr = vals[2].u_int;
+
+ HAL_StatusTypeDef status = HAL_I2C_Mem_Write(self->i2c, i2c_addr, mem_addr, I2C_MEMADD_SIZE_8BIT, bufinfo.buf, bufinfo.len, vals[3].u_int);
if (status != HAL_OK) {
// TODO really need a HardwareError object, or something
@@ -247,16 +407,22 @@ STATIC mp_obj_t pyb_i2c_mem_write(uint n_args, const mp_obj_t *args) {
return mp_const_none;
}
-
-STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_i2c_mem_write_obj, 4, 4, pyb_i2c_mem_write);
+STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_i2c_mem_write_obj, 1, pyb_i2c_mem_write);
STATIC const mp_map_elem_t pyb_i2c_locals_dict_table[] = {
+ // instance methods
+ { MP_OBJ_NEW_QSTR(MP_QSTR_init), (mp_obj_t)&pyb_i2c_init_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_deinit), (mp_obj_t)&pyb_i2c_deinit_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_is_ready), (mp_obj_t)&pyb_i2c_is_ready_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_scan), (mp_obj_t)&pyb_i2c_scan_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_read), (mp_obj_t)&pyb_i2c_read_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_write), (mp_obj_t)&pyb_i2c_write_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_send), (mp_obj_t)&pyb_i2c_send_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_recv), (mp_obj_t)&pyb_i2c_recv_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_mem_read), (mp_obj_t)&pyb_i2c_mem_read_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_mem_write), (mp_obj_t)&pyb_i2c_mem_write_obj },
+
+ // class constants
+ { MP_OBJ_NEW_QSTR(MP_QSTR_MASTER), MP_OBJ_NEW_SMALL_INT(PYB_I2C_MASTER) },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_SLAVE), MP_OBJ_NEW_SMALL_INT(PYB_I2C_SLAVE) },
};
STATIC MP_DEFINE_CONST_DICT(pyb_i2c_locals_dict, pyb_i2c_locals_dict_table);
@@ -264,6 +430,7 @@ STATIC MP_DEFINE_CONST_DICT(pyb_i2c_locals_dict, pyb_i2c_locals_dict_table);
const mp_obj_type_t pyb_i2c_type = {
{ &mp_type_type },
.name = MP_QSTR_I2C,
+ .print = pyb_i2c_print,
.make_new = pyb_i2c_make_new,
.locals_dict = (mp_obj_t)&pyb_i2c_locals_dict,
};
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-30 04:45:44 +0000