rtmouse_i2c.cを作成してI2C関連の関数を移す

rt-net · Nov 7, 2024 · f6cd192 · f6cd192
1 parent c1f774a
commit f6cd192
Show file tree

Hide file tree

Showing 6 changed files with 439 additions and 388 deletions.
diff --git a/src/drivers/Makefile.header_from_apt b/src/drivers/Makefile.header_from_apt
@@ -1,12 +1,12 @@
 MODULE:= rtmouse
 obj-m:= $(MODULE).o
-$(MODULE)-y:= $(MODULE)_main.o $(MODULE)_dev_fops.o $(MODULE)_spi.o
+$(MODULE)-y:= $(MODULE)_main.o $(MODULE)_dev_fops.o $(MODULE)_spi.o $(MODULE)_i2c.o
 clean-files:= *.o *.ko *.mod.[co] *~
 
 LINUX_SRC_DIR:=/usr/src/linux-headers-$(shell uname -r)
 VERBOSE:=0
 
-$(MODULE).ko: $(MODULE)_main.c $(MODULE)_dev_fops.c $(MODULE)_spi.c $(MODULE).h
+$(MODULE).ko: $(MODULE)_main.c $(MODULE)_dev_fops.c $(MODULE)_spi.c $(MODULE)_i2c.c $(MODULE).h
 	make -C $(LINUX_SRC_DIR) M=$(shell pwd) V=$(VERBOSE) modules
 
 clean:

diff --git a/src/drivers/Makefile.header_from_source b/src/drivers/Makefile.header_from_source
@@ -1,12 +1,12 @@
 MODULE:= rtmouse
 obj-m:= $(MODULE).o
-$(MODULE)-y:= $(MODULE)_main.o $(MODULE)_dev_fops.o $(MODULE)_spi.o
+$(MODULE)-y:= $(MODULE)_main.o $(MODULE)_dev_fops.o $(MODULE)_spi.o $(MODULE)_i2c.o
 clean-files:= *.o *.ko *.mod.[co] *~
 
 LINUX_SRC_DIR:=/usr/src/linux
 VERBOSE:=0
 
-$(MODULE).ko: $(MODULE)_main.c $(MODULE)_dev_fops.c $(MODULE)_spi.c $(MODULE).h
+$(MODULE).ko: $(MODULE)_main.c $(MODULE)_dev_fops.c $(MODULE)_spi.c $(MODULE)_i2c.c $(MODULE).h
 	make -C $(LINUX_SRC_DIR) M=$(shell pwd) V=$(VERBOSE) modules
 
 clean:

diff --git a/src/drivers/rtmouse.h b/src/drivers/rtmouse.h
@@ -271,4 +271,11 @@ void rpi_pwm_write32(uint32_t offset, uint32_t val);
 int mcp3204_init(void);
 void mcp3204_exit(void);
 
+/* --- used in rtmouse_i2c.c --- */
+extern const unsigned int NUM_DEV[ID_DEV_SIZE];
+extern struct cdev *cdev_array;
+extern volatile int cdev_index;
+int i2c_counter_init(void);
+void i2c_counter_exit(void);
+
 #endif // RTMOUSE_H
diff --git a/src/drivers/rtmouse_dev_fops.c b/src/drivers/rtmouse_dev_fops.c
@@ -786,7 +786,11 @@ static ssize_t motor_write(struct file *filep, const char __user *buf,
 	return bufcnt;
 }
 
-/* --- Device File Operations --- */
+/*
+ * Device File Operations
+ * used in register_dev(), rtcntr_i2c_create_cdev()
+ * and rtcntl_i2c_create_cdev()
+ */
 struct file_operations dev_fops[ID_DEV_SIZE] = {
     [ID_DEV_LED].open = dev_open,
     [ID_DEV_LED].release = dev_release,