ports/psoc6: Working on I2C Slave machine class.

Signed-off-by: enriquezgarc <[email protected]>
Infineon · Jan 25, 2024 · f22fd15 · f22fd15
1 parent 781874d
commit f22fd15
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Showing 4 changed files with 71 additions and 3 deletions.
diff --git a/ports/psoc6/machine_i2c.c b/ports/psoc6/machine_i2c.c
@@ -209,7 +209,47 @@ STATIC int machine_i2c_transfer(mp_obj_base_t *self_in, uint16_t addr, size_t le
 }
 
 // configure slave buffers
-// configure callbacks for slave events
+// i2c_master writes
+// i2c_slave reads from write buffer
+// i2c_slave does something about it
+// i2c_master reads
+// i2c_slave needs needs to have something there is the buffer
+
+STATIC mp_obj_t machine_i2c_slave_configure_receive_buffer(mp_obj_t self_in /*pass a buffer*/) {
+    machine_i2c_obj_t *self = MP_OBJ_TO_PTR(self_in);
+    (void)self->scl;
+    return mp_const_none;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(machine_i2c_slave_conf_rx_buffer_obj, machine_i2c_slave_configure_receive_buffer);
+
+// STATIC mp_obj_t machine_i2c_slave_configure_transmit_buffer(mp_obj_t self_in /*pass a buffer*/) {
+//     machine_i2c_obj_t *self = MP_OBJ_TO_PTR(self_in);
+
+//     return mp_const_none;
+// }
+// machine_i2c_slave_configure_rx_buffer() {
+
+// }
+
+// machine_i2c_skave_configure_tx_buffer() {
+
+// }
+
+// STATIC mp_obj_t machine_i2c_slave_configure_transmit_buffer(mp_obj_t self_in /*pass a buffer*/) {
+//     machine_i2c_obj_t *self = MP_OBJ_TO_PTR(self_in);
+
+//     return mp_const_none;
+// }
+
+// machine_i2c_slave_register_callback(callback_function) {
+
+// }
+
+// machine_i2c_slave_tx_register_callback(callback_function) {
+
+// }
+
+
 
 
 STATIC const mp_machine_i2c_p_t machine_i2c_p = {
@@ -229,6 +269,33 @@ MP_DEFINE_CONST_OBJ_TYPE(
     locals_dict, &mp_machine_i2c_locals_dict
     );
 
+#if MICROPY_PY_MACHINE_I2C_SLAVE
+
+STATIC const mp_rom_map_elem_t machine_i2c_slave_locals_dict_table[] = {
+    // Functions
+    { MP_ROM_QSTR(MP_QSTR_slave_conf_rx_buffer),         MP_ROM_PTR(&machine_i2c_slave_conf_rx_buffer_obj) },
+
+    // Const
+    { MP_ROM_QSTR(MP_QSTR_RD_EVENT),                     MP_ROM_INT(CYHAL_I2C_SLAVE_READ_EVENT) },
+    { MP_ROM_QSTR(MP_QSTR_WR_EVENT),                     MP_ROM_INT(CYHAL_I2C_SLAVE_WRITE_EVENT) },
+    { MP_ROM_QSTR(MP_QSTR_RD_BUF_IN_FIFO_EVENT),         MP_ROM_INT(CYHAL_I2C_SLAVE_RD_IN_FIFO_EVENT) },
+    { MP_ROM_QSTR(MP_QSTR_RD_BUF_EMPTY_EVENT),           MP_ROM_INT(CYHAL_I2C_SLAVE_RD_BUF_EMPTY_EVENT) },
+    { MP_ROM_QSTR(MP_QSTR_RD_CMPLT_EVENT),               MP_ROM_INT(CYHAL_I2C_SLAVE_RD_CMPLT_EVENT) },
+    { MP_ROM_QSTR(MP_QSTR_WR_CMPLT_EVENT),               MP_ROM_INT(CYHAL_I2C_SLAVE_WR_CMPLT_EVENT) },
+    { MP_ROM_QSTR(MP_QSTR_ERR_EVENT),                    MP_ROM_INT(CYHAL_I2C_SLAVE_ERR_EVENT) },
+};
+STATIC MP_DEFINE_CONST_DICT(machine_i2c_slave_locals_dict, machine_i2c_slave_locals_dict_table);
+
+MP_DEFINE_CONST_OBJ_TYPE(
+    machine_i2c_slave_type,
+    MP_QSTR_I2CSlave,
+    MP_TYPE_FLAG_NONE,
+    make_new, machine_i2c_make_new,
+    print, machine_i2c_print,
+    locals_dict, &machine_i2c_slave_locals_dict
+    );
+#endif
+
 void mod_i2c_deinit() {
     for (uint8_t i = 0; i < MAX_I2C; i++) {
         if (i2c_obj[i] != NULL) {

diff --git a/ports/psoc6/modmachine.c b/ports/psoc6/modmachine.c
@@ -291,6 +291,7 @@ STATIC void mp_machine_idle(void) {
     /* Modules */ \
     { MP_ROM_QSTR(MP_QSTR_I2C),                 MP_ROM_PTR(&machine_i2c_type) }, \
     { MP_ROM_QSTR(MP_QSTR_SoftI2C),             MP_ROM_PTR(&mp_machine_soft_i2c_type) }, \
+    { MP_ROM_QSTR(MP_QSTR_I2CSlave),            MP_ROM_PTR(&machine_i2c_slave_type) }, \
     { MP_ROM_QSTR(MP_QSTR_Pin),                 MP_ROM_PTR(&machine_pin_type) }, \
     { MP_ROM_QSTR(MP_QSTR_Signal),              MP_ROM_PTR(&machine_signal_type) }, \
     { MP_ROM_QSTR(MP_QSTR_RTC),                 MP_ROM_PTR(&machine_rtc_type) }, \

diff --git a/ports/psoc6/modmachine.h b/ports/psoc6/modmachine.h
@@ -7,6 +7,7 @@
 
 
 extern const mp_obj_type_t machine_i2c_type;
+extern const mp_obj_type_t machine_i2c_slave_type;
 extern const mp_obj_type_t machine_pin_type;
 extern const mp_obj_type_t machine_rtc_type;
 extern const mp_obj_type_t machine_pwm_type;

diff --git a/ports/psoc6/mpconfigport.h b/ports/psoc6/mpconfigport.h
@@ -119,8 +119,7 @@
 #define MICROPY_PY_MACHINE_PWM                  (1)
 #define MICROPY_PY_MACHINE_PWM_INCLUDEFILE      "ports/psoc6/machine_pwm.c"
 #define MICROPY_PY_MACHINE_I2C                  (1)
-#define MICROPY_PORT_I2C_EXTENSION \
-    { MP_ROM_QSTR(MP_QSTR_SLAVE), MP_ROM_PTR(&machine_i2c_deinit) },
+#define MICROPY_PY_MACHINE_I2C_SLAVE            (1)
 #define MICROPY_PY_MACHINE_SOFTI2C              (1)
 
 #define MICROPY_PY_MACHINE_SPI                  (1)