alif/machine_i2c_target: Change to size_t return.

dpgeorge · dpgeorge · commit aa9259188b58 · 2025-07-19T02:00:14.000+10:00
Signed-off-by: Damien George &lt;damien@micropython.org&gt;
diff --git a/ports/alif/machine_i2c_target.c b/ports/alif/machine_i2c_target.c
@@ -144,11 +144,11 @@ static void mp_machine_i2c_target_event_callback(machine_i2c_target_irq_obj_t *i
     mp_irq_handler(&irq->base);
 }
 
-static mp_int_t mp_machine_i2c_target_read_bytes(machine_i2c_target_obj_t *self, size_t len, uint8_t *buf) {
+static size_t mp_machine_i2c_target_read_bytes(machine_i2c_target_obj_t *self, size_t len, uint8_t *buf) {
     I2C_Type *i2c = self->i2c;
 
     // Read from the RX FIFO.
-    mp_int_t i = 0;
+    size_t i = 0;
     while (i < len && (i2c->I2C_STATUS & I2C_IC_STATUS_RECEIVE_FIFO_NOT_EMPTY)) {
         buf[i++] = i2c->I2C_DATA_CMD;
     }
@@ -159,7 +159,7 @@ static mp_int_t mp_machine_i2c_target_read_bytes(machine_i2c_target_obj_t *self,
     return i;
 }
 
-static mp_int_t mp_machine_i2c_target_write_bytes(machine_i2c_target_obj_t *self, size_t len, const uint8_t *buf) {
+static size_t mp_machine_i2c_target_write_bytes(machine_i2c_target_obj_t *self, size_t len, const uint8_t *buf) {
     // Write to the TX FIFO.
     self->i2c->I2C_DATA_CMD = buf[0];
 

Original file line number	Diff line number	Diff line change
`@@ -144,11 +144,11 @@ static void mp_machine_i2c_target_event_callback(machine_i2c_target_irq_obj_t *i`
`144`	`144`	`mp_irq_handler(&irq->base);`
`145`	`145`	`}`
`146`	`146`
`147`		`-static mp_int_t mp_machine_i2c_target_read_bytes(machine_i2c_target_obj_t self, size_t len, uint8_t buf) {`
	`147`	`+static size_t mp_machine_i2c_target_read_bytes(machine_i2c_target_obj_t self, size_t len, uint8_t buf) {`
`148`	`148`	`I2C_Type *i2c = self->i2c;`
`149`	`149`
`150`	`150`	`// Read from the RX FIFO.`
`151`		`- mp_int_t i = 0;`
	`151`	`+ size_t i = 0;`
`152`	`152`	`while (i < len && (i2c->I2C_STATUS & I2C_IC_STATUS_RECEIVE_FIFO_NOT_EMPTY)) {`
`153`	`153`	`buf[i++] = i2c->I2C_DATA_CMD;`
`154`	`154`	`}`
`@@ -159,7 +159,7 @@ static mp_int_t mp_machine_i2c_target_read_bytes(machine_i2c_target_obj_t *self,`
`159`	`159`	`return i;`
`160`	`160`	`}`
`161`	`161`
`162`		`-static mp_int_t mp_machine_i2c_target_write_bytes(machine_i2c_target_obj_t self, size_t len, const uint8_t buf) {`
	`162`	`+static size_t mp_machine_i2c_target_write_bytes(machine_i2c_target_obj_t self, size_t len, const uint8_t buf) {`
`163`	`163`	`// Write to the TX FIFO.`
`164`	`164`	`self->i2c->I2C_DATA_CMD = buf[0];`
`165`	`165`