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-rw-r--r--cpu/mpc824x/drivers/i2c/README1
-rw-r--r--cpu/mpc824x/drivers/i2c/i2c.h54
-rw-r--r--cpu/mpc824x/drivers/i2c/i2c2.S36
-rw-r--r--cpu/mpc824x/drivers/i2c/i2c_export.h26
4 files changed, 57 insertions, 60 deletions
diff --git a/cpu/mpc824x/drivers/i2c/README b/cpu/mpc824x/drivers/i2c/README
index 8d82df3..1db7210 100644
--- a/cpu/mpc824x/drivers/i2c/README
+++ b/cpu/mpc824x/drivers/i2c/README
@@ -102,4 +102,3 @@ USAGE:
host system a way to use its own event
handler instead of the I2C_ISR provided
here.
-
diff --git a/cpu/mpc824x/drivers/i2c/i2c.h b/cpu/mpc824x/drivers/i2c/i2c.h
index 3209bfe..48a401d 100644
--- a/cpu/mpc824x/drivers/i2c/i2c.h
+++ b/cpu/mpc824x/drivers/i2c/i2c.h
@@ -109,13 +109,13 @@ typedef enum _i2c_mode
*/
static I2CStatus I2C_put( unsigned int eumbbar,
unsigned char rcv_addr, /* receiver's address */
- unsigned char *buffer_ptr, /* pointer of data to be sent */
+ unsigned char *buffer_ptr, /* pointer of data to be sent */
unsigned int length, /* number of byte of in the buffer */
unsigned int stop_flag, /* 1 - signal STOP when buffer is empty
- * 0 - no STOP signal when buffer is empty
- */
+ * 0 - no STOP signal when buffer is empty
+ */
unsigned int is_cnt ); /* 1 - this is a restart, don't check MBB
- * 0 - this is a new start, check MBB
+ * 0 - this is a new start, check MBB
*/
/* Receive a buffer of data from the desired sender_addr
@@ -130,12 +130,12 @@ static I2CStatus I2C_put( unsigned int eumbbar,
static I2CStatus I2C_get( unsigned int eumbbar,
unsigned char sender_addr, /* sender's address */
unsigned char *buffer_ptr, /* pointer of receiving buffer */
- unsigned int length, /* length of the receiving buffer */
+ unsigned int length, /* length of the receiving buffer */
unsigned int stop_flag, /* 1 - signal STOP when buffer is full
- * 0 - no STOP signal when buffer is full
+ * 0 - no STOP signal when buffer is full
*/
unsigned int is_cnt ); /* 1 - this is a restart, don't check MBB
- * 0 - this is a new start, check MBB
+ * 0 - this is a new start, check MBB
*/
#if 0 /* the I2C_write and I2C_read functions are not active */
@@ -160,10 +160,10 @@ static I2CStatus I2C_get( unsigned int eumbbar,
*/
static I2CStatus I2C_write( unsigned int eumbbar,
unsigned char *buffer_ptr, /* pointer of data to be sent */
- unsigned int length, /* number of byte of in the buffer */
- unsigned int stop_flag ); /* 1 - signal STOP when buffer is empty
- * 0 - no STOP signal when buffer is empty
- */
+ unsigned int length, /* number of byte of in the buffer */
+ unsigned int stop_flag ); /* 1 - signal STOP when buffer is empty
+ * 0 - no STOP signal when buffer is empty
+ */
/* Receive a buffer of data from the sending master.
* If stop_flag is set, when the buffer is full and the
@@ -175,8 +175,8 @@ static I2CStatus I2C_write( unsigned int eumbbar,
static I2CStatus I2C_read(unsigned int eumbbar,
unsigned char *buffer_ptr, /* pointer of receiving buffer */
unsigned int length, /* length of the receiving buffer */
- unsigned int stop_flag ); /* 1 - signal STOP when buffer is full
- * 0 - no STOP signal when buffer is full
+ unsigned int stop_flag ); /* 1 - signal STOP when buffer is full
+ * 0 - no STOP signal when buffer is full
*/
#endif /* of if0 for turning off I2C_read & I2C_write */
@@ -203,12 +203,12 @@ static I2CStatus I2C_Timer_Event( unsigned int eumbbar, I2CStatus (*handler)( un
*/
static I2CStatus I2C_Start( unsigned int eumbbar,
unsigned char slave_addr, /* address of the receiver */
- I2C_MODE mode, /* XMIT(1) - put (write)
- * RCV(0) - get (read)
+ I2C_MODE mode, /* XMIT(1) - put (write)
+ * RCV(0) - get (read)
*/
unsigned int is_cnt ); /* 1 - this is a restart, don't check MBB
* 0 - this is a new start, check MBB
- */
+ */
/* Generate a STOP signal to terminate the transaction. */
static I2CStatus I2C_Stop( unsigned int eumbbar );
@@ -258,10 +258,10 @@ static I2CStatus I2C_Slave_Addr( unsigned int eumbbar );
*/
static I2CStatus I2C_Init( unsigned int eumbbar,
unsigned char fdr, /* frequency divider */
- unsigned char addr, /* driver's address used for receiving */
- unsigned int en_int); /* 1 - enable I2C interrupt
- * 0 - disable I2C interrup
- */
+ unsigned char addr, /* driver's address used for receiving */
+ unsigned int en_int); /* 1 - enable I2C interrupt
+ * 0 - disable I2C interrup
+ */
/* I2C interrupt service routine.
*
@@ -299,11 +299,11 @@ static I2C_CTRL I2C_Get_Ctrl( unsigned int eumbbar );
* I2C_RESTART, this is a continuation of existing transaction
*/
static I2C_Status I2C_do_buffer( I2C_INTERRUPT_MODE en_int,
- I2C_TRANSACTION_MODE act,
- unsigned char i2c_addr,
- int len,
- unsigned char *buffer,
- I2C_STOP_MODE stop,
- int retry,
- I2C_RESTART_MODE rsta);
+ I2C_TRANSACTION_MODE act,
+ unsigned char i2c_addr,
+ int len,
+ unsigned char *buffer,
+ I2C_STOP_MODE stop,
+ int retry,
+ I2C_RESTART_MODE rsta);
#endif
diff --git a/cpu/mpc824x/drivers/i2c/i2c2.S b/cpu/mpc824x/drivers/i2c/i2c2.S
index 5cc7c98..3fd7e03 100644
--- a/cpu/mpc824x/drivers/i2c/i2c2.S
+++ b/cpu/mpc824x/drivers/i2c/i2c2.S
@@ -16,20 +16,20 @@
*
* output: r3 - register content
**********************************************************/
- .text
- .align 2
- .global load_runtime_reg
+ .text
+ .align 2
+ .global load_runtime_reg
load_runtime_reg:
-/* xor r5,r5,r5
-* or r5,r5,r3
-*
-* lwbrx r3,r4,r5
-*/
- lwbrx r3,r4,r3
- sync
+/* xor r5,r5,r5
+ * or r5,r5,r3
+ *
+ * lwbrx r3,r4,r5
+ */
+ lwbrx r3,r4,r3
+ sync
- bclr 20, 0
+ bclr 20, 0
/****************************************************************
* function: store_runtime_reg
@@ -39,16 +39,14 @@ load_runtime_reg:
* r5 - new value to be stored
*
****************************************************************/
- .text
- .align 2
- .global store_runtime_reg
+ .text
+ .align 2
+ .global store_runtime_reg
store_runtime_reg:
- stwbrx r5, r4, r3
- sync
-
- bclr 20,0
-
+ stwbrx r5, r4, r3
+ sync
+ bclr 20,0
#endif /* CONFIG_HARD_I2C */
diff --git a/cpu/mpc824x/drivers/i2c/i2c_export.h b/cpu/mpc824x/drivers/i2c/i2c_export.h
index 17403ea..6264d18 100644
--- a/cpu/mpc824x/drivers/i2c/i2c_export.h
+++ b/cpu/mpc824x/drivers/i2c/i2c_export.h
@@ -71,11 +71,11 @@ typedef enum _i2c_restart
extern I2C_Status I2C_Initialize(
unsigned char addr, /* driver's I2C slave address */
I2C_INTERRUPT_MODE en_int, /* 1 - enable I2C interrupt
- * 0 - disable I2C interrupt
- */
- int (*app_print_function)(char *,...)); /* pointer to optional "printf"
- * provided by application
- */
+ * 0 - disable I2C interrupt
+ */
+ int (*app_print_function)(char *,...)); /* pointer to optional "printf"
+ * provided by application
+ */
/* Perform the given I2C transaction, only MASTER_XMIT and MASTER_RCV
* are implemented. Both are only in polling mode.
@@ -92,12 +92,12 @@ extern I2C_Status I2C_Initialize(
* I2C_RESTART, this is a continuation of existing transaction
*/
extern I2C_Status I2C_do_transaction( I2C_INTERRUPT_MODE en_int,
- I2C_TRANSACTION_MODE act,
- unsigned char i2c_addr,
- unsigned char data_addr,
- int len,
- char *buffer,
- I2C_STOP_MODE stop,
- int retry,
- I2C_RESTART_MODE rsta);
+ I2C_TRANSACTION_MODE act,
+ unsigned char i2c_addr,
+ unsigned char data_addr,
+ int len,
+ char *buffer,
+ I2C_STOP_MODE stop,
+ int retry,
+ I2C_RESTART_MODE rsta);
#endif
generated by cgit v1.1 at 2024-11-28 23:58:42 +0000