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| author | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-11-27 22:18:47 +0000 |
|---|---|---|
| committer | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-11-27 22:18:47 +0000 |
| commit | 5e18cf994d989b1bed035b98e5957e2c68e518cb (patch) | |
| tree | dcb16f9929d02abe6c0c0e360f01b3cf436dd918 /os/hal/platforms/STM32 | |
| parent | 47654dcc4c7b8b1cc6c1fc5ec160cd18a449c215 (diff) | |
| download | ChibiOS-5e18cf994d989b1bed035b98e5957e2c68e518cb.tar.gz ChibiOS-5e18cf994d989b1bed035b98e5957e2c68e518cb.tar.bz2 ChibiOS-5e18cf994d989b1bed035b98e5957e2c68e518cb.zip | |
I2C. Nop.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/i2c_dev@3542 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32')
| -rw-r--r-- | os/hal/platforms/STM32/i2c_lld.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32/i2c_lld.c b/os/hal/platforms/STM32/i2c_lld.c index c5cd2308f..93b4c4061 100644 --- a/os/hal/platforms/STM32/i2c_lld.c +++ b/os/hal/platforms/STM32/i2c_lld.c @@ -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; |