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This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.
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If you are looking for a stable and tested release, please import one of the official mbed library releases:
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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Last commit 20 Feb 2019 by 
mbed official
Diff: targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/i2c_api.c
- Revision:
- 404:cbc7dfcb0ce9
- Parent:
- 402:09075a3b15e3
- Child:
- 414:4ec4c5b614b0
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/i2c_api.c Fri Nov 14 09:15:08 2014 +0000
+++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/i2c_api.c Fri Nov 14 10:15:07 2014 +0000
@@ -82,6 +82,7 @@
pin_mode(sda, OpenDrain);
pin_mode(scl, OpenDrain);
}
+
// Enable I2C2 clock and pinout if not done
if ((obj->i2c == I2C_2) && !i2c2_inited) {
i2c2_inited = 1;
@@ -178,7 +179,7 @@
int count;
int value;
- /* update CR2 register */
+ // Update CR2 register
i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP)))
| (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_READ);
@@ -201,7 +202,7 @@
// If not repeated start, send stop.
if (stop) {
i2c_stop(obj);
- /* Wait until STOPF flag is set */
+ // Wait until STOPF flag is set
timeout = FLAG_TIMEOUT;
while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) {
timeout--;
@@ -209,7 +210,7 @@
return -1;
}
}
- /* Clear STOP Flag */
+ // Clear STOP Flag
__HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF);
}
@@ -223,12 +224,10 @@
int timeout;
int count;
- /* update CR2 register */
+ // Update CR2 register
i2c->CR2 = (i2c->CR2 & (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP)))
| (uint32_t)(((uint32_t)address & I2C_CR2_SADD) | (((uint32_t)length << 16) & I2C_CR2_NBYTES) | (uint32_t)I2C_SOFTEND_MODE | (uint32_t)I2C_GENERATE_START_WRITE);
-
-
for (count = 0; count < length; count++) {
i2c_byte_write(obj, data[count]);
}
@@ -243,10 +242,10 @@
}
__HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_TC);
- // If not repeated start, send stop.
+ // If not repeated start, send stop
if (stop) {
i2c_stop(obj);
- /* Wait until STOPF flag is set */
+ // Wait until STOPF flag is set
timeout = FLAG_TIMEOUT;
while (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_STOPF) == RESET) {
timeout--;
@@ -254,7 +253,7 @@
return -1;
}
}
- /* Clear STOP Flag */
+ // Clear STOP Flag
__HAL_I2C_CLEAR_FLAG(&I2cHandle, I2C_FLAG_STOPF);
}
@@ -299,7 +298,7 @@
{
int timeout;
- // wait before reset
+ // Wait before reset
timeout = LONG_TIMEOUT;
while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0));
@@ -336,7 +335,6 @@
void i2c_slave_mode(i2c_t *obj, int enable_slave)
{
-
I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
uint16_t tmpreg;
@@ -352,7 +350,6 @@
// Set new mode
i2c->OAR1 = tmpreg;
-
}
// See I2CSlave.h
