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I2C. Nop. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/i2c_dev@3542 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
barthess 2011-11-27 22:18:47 +00:00
parent 47654dcc4c
commit 5e18cf994d
2 changed files with 6 additions and 0 deletions
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5
os/hal/platforms/STM32/i2c_lld.c
View File

@ -590,8 +590,13 @@ void i2c_lld_set_clock(I2CDriver *i2cp) {
regCR2 = i2cp->id_i2c->CR2; /* Get the I2Cx CR2 value */
regCR2 &= (uint16_t)~I2C_CR2_FREQ; /* Clear frequency FREQ[5:0] bits */
freq = (uint16_t)(STM32_PCLK1 / 1000000); /* Set frequency bits depending on pclk1 value */
#ifdef STM32F4XX
chDbgCheck((freq >= 2) && (freq <= 42),
"i2c_lld_set_clock() : Peripheral clock freq. out of range");
#else
chDbgCheck((freq >= 2) && (freq <= 36),
"i2c_lld_set_clock() : Peripheral clock freq. out of range");
#endif
regCR2 |= freq;
i2cp->id_i2c->CR2 = regCR2;

1
os/hal/platforms/STM32F4xx/platform.mk
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@ -9,6 +9,7 @@ PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/STM32F4xx/stm32_dma.c \
${CHIBIOS}/os/hal/platforms/STM32/serial_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/spi_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/uart_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/i2c_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/GPIOv2/pal_lld.c
# Required include directories