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Make variable definitions 'static const' when possible to save RAM usage. From Kosma Moczek

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This commit is contained in:
Gregory Nutt
2014-06-30 07:39:51 -06:00
parent 7780d1cd03
commit fa29170aa7
3 changed files with 15 additions and 15 deletions
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arch/arm/src/stm32/stm32_i2c.c
+5 -5
View File
@@ -278,7 +278,7 @@ struct stm32_i2c_priv_s
struct stm32_i2c_inst_s
{
struct i2c_ops_s *ops; /* Standard I2C operations */
const struct i2c_ops_s *ops; /* Standard I2C operations */
struct stm32_i2c_priv_s *priv; /* Common driver private data structure */
uint32_t frequency; /* Frequency used in this instantiation */
@@ -384,7 +384,7 @@ static const struct stm32_i2c_config_s stm32_i2c1_config =
#endif
};
struct stm32_i2c_priv_s stm32_i2c1_priv =
static struct stm32_i2c_priv_s stm32_i2c1_priv =
{
.config = &stm32_i2c1_config,
.refs = 0,
@@ -413,7 +413,7 @@ static const struct stm32_i2c_config_s stm32_i2c2_config =
#endif
};
struct stm32_i2c_priv_s stm32_i2c2_priv =
static struct stm32_i2c_priv_s stm32_i2c2_priv =
{
.config = &stm32_i2c2_config,
.refs = 0,
@@ -442,7 +442,7 @@ static const struct stm32_i2c_config_s stm32_i2c3_config =
#endif
};
struct stm32_i2c_priv_s stm32_i2c3_priv =
static struct stm32_i2c_priv_s stm32_i2c3_priv =
{
.config = &stm32_i2c3_config,
.refs = 0,
@@ -458,7 +458,7 @@ struct stm32_i2c_priv_s stm32_i2c3_priv =
/* Device Structures, Instantiation */
struct i2c_ops_s stm32_i2c_ops =
static const struct i2c_ops_s stm32_i2c_ops =
{
.setfrequency = stm32_i2c_setfrequency,
.setaddress = stm32_i2c_setaddress,
arch/arm/src/stm32/stm32_i2c_alt.c
+5 -5
View File
@@ -306,7 +306,7 @@ struct stm32_i2c_priv_s
struct stm32_i2c_inst_s
{
struct i2c_ops_s *ops; /* Standard I2C operations */
const struct i2c_ops_s *ops; /* Standard I2C operations */
struct stm32_i2c_priv_s *priv; /* Common driver private data structure */
uint32_t frequency; /* Frequency used in this instantiation */
@@ -412,7 +412,7 @@ static const struct stm32_i2c_config_s stm32_i2c1_config =
#endif
};
struct stm32_i2c_priv_s stm32_i2c1_priv =
static struct stm32_i2c_priv_s stm32_i2c1_priv =
{
.config = &stm32_i2c1_config,
.refs = 0,
@@ -441,7 +441,7 @@ static const struct stm32_i2c_config_s stm32_i2c2_config =
#endif
};
struct stm32_i2c_priv_s stm32_i2c2_priv =
static struct stm32_i2c_priv_s stm32_i2c2_priv =
{
.config = &stm32_i2c2_config,
.refs = 0,
@@ -470,7 +470,7 @@ static const struct stm32_i2c_config_s stm32_i2c3_config =
#endif
};
struct stm32_i2c_priv_s stm32_i2c3_priv =
static struct stm32_i2c_priv_s stm32_i2c3_priv =
{
.config = &stm32_i2c3_config,
.refs = 0,
@@ -486,7 +486,7 @@ struct stm32_i2c_priv_s stm32_i2c3_priv =
/* Device Structures, Instantiation */
struct i2c_ops_s stm32_i2c_ops =
static const struct i2c_ops_s stm32_i2c_ops =
{
.setfrequency = stm32_i2c_setfrequency,
.setaddress = stm32_i2c_setaddress,
libc/time/lib_daysbeforemonth.c
+5 -5
View File
@@ -64,15 +64,15 @@
* Public Variables
****************************************************************************/
uint16_t g_daysbeforemonth[13] =
{
0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365
};
/****************************************************************************
* Private Variables
****************************************************************************/
static const uint16_t g_daysbeforemonth[13] =
{
0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365
};
/****************************************************************************
* Private Functions
****************************************************************************/