Remove empty files, and not ported driver code.

libraries/mbed/vendor/STM/capi/i2c_api.c

@@ -292,87 +292,4 @@ int i2c_byte_write(i2c_t *obj, int data) {
     return 1;
 }
 
-#if DEVICE_I2CSLAVE
-void i2c_slave_mode(i2c_t *obj, int enable_slave) {
-    if (enable_slave != 0) {
-        i2c_conclr(obj, 1, 1, 1, 0);
-        i2c_conset(obj, 0, 0, 0, 1);
-    } else {
-        i2c_conclr(obj, 1, 1, 1, 1);
-    }
-}
-
-int i2c_slave_receive(i2c_t *obj) {
-    int status;
-    int retval;
-
-    status = i2c_status(obj);
-    switch(status) {
-        case 0x60: retval = 3; break;
-        case 0x70: retval = 2; break;
-        case 0xA8: retval = 1; break;
-        default  : retval = 0; break;
-    }
-
-    return(retval);
-}
-
-int i2c_slave_read(i2c_t *obj, char *data, int length) {
-    int count = 0;
-    int status;
-
-    do {
-        i2c_clear_SI(obj);
-        i2c_wait_SI(obj);
-        status = i2c_status(obj);
-        if((status == 0x80) || (status == 0x90)) {
-            data[count] = I2C_DAT(obj) & 0xFF;
-        }
-        count++;
-    } while (((status == 0x80) || (status == 0x90) ||
-            (status == 0x060) || (status == 0x70)) && (count < length));
-
-    if(status != 0xA0) {
-        i2c_stop(obj);
-    }
-
-    i2c_clear_SI(obj);
-
-    return (count - 1);
-}
-
-int i2c_slave_write(i2c_t *obj, const char *data, int length) {
-    int count = 0;
-    int status;
-
-    if(length <= 0) {
-        return(0);
-    }
-
-    do {
-        status = i2c_do_write(obj, data[count], 0);
-        count++;
-    } while ((count < length) && (status == 0xB8));
-
-    if((status != 0xC0) && (status != 0xC8)) {
-        i2c_stop(obj);
-    }
-
-    i2c_clear_SI(obj);
-
-    return(count);
-}
-
-void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask) {
-    uint32_t addr;
-
-    if ((idx >= 0) && (idx <= 3)) {
-        addr = ((uint32_t)obj->i2c) + I2C_addr_offset[0][idx];
-        *((uint32_t *) addr) = address & 0xFF;
-        addr = ((uint32_t)obj->i2c) + I2C_addr_offset[1][idx];
-        *((uint32_t *) addr) = mask & 0xFE;
-    }
-}
-#endif
-
 #endif

libraries/mbed/vendor/STM/capi/port_api.c

@@ -77,6 +77,7 @@ int port_read(port_t *obj) {
         case PIN_OUTPUT: return *obj->reg_out & obj->mask;
         case PIN_INPUT: return *obj->reg_in & obj->mask;
     }
+    return 0;
 }
 
 #endif