diff options
Diffstat (limited to 'libmaple/i2c.c')
| -rw-r--r-- | libmaple/i2c.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/libmaple/i2c.c b/libmaple/i2c.c index efe4dce..5fbafad 100644 --- a/libmaple/i2c.c +++ b/libmaple/i2c.c @@ -153,7 +153,7 @@ static void i2c_irq_handler(i2c_dev *dev) { * Master transmitter: write first byte to fill shift register. * We should get another TXE interrupt immediately to fill DR again. */ - if (msg->length != 1) + if (msg->length != 1) i2c_write(dev, msg->data[msg->xferred++]); } sr1 = sr2 = 0; @@ -325,7 +325,7 @@ static void i2c_bus_reset(const i2c_dev *dev) { void i2c_master_enable(i2c_dev *dev, uint32 flags) { #define I2C_CLK (PCLK1/1000000) #define STANDARD_CCR (PCLK1/(100000*2)) -#define STANDARD_TRISE (I2C_CLK+1) +#define STANDARD_TRISE (I2C_CLK+1) #define FAST_CCR (I2C_CLK/10) #define FAST_TRISE ((I2C_CLK*3)/10+1) /* Reset the bus. Clock out any hung slaves. */ @@ -340,9 +340,8 @@ void i2c_master_enable(i2c_dev *dev, uint32 flags) { /* I2C1 and I2C2 are fed from APB1, clocked at 36MHz */ i2c_set_input_clk(dev, I2C_CLK); - if(flags & I2C_FAST_MODE) { - - /* 400 kHz for fast mode, set DUTY and F/S bits */ + if(flags & I2C_FAST_MODE) { + /* 400 kHz for fast mode, set DUTY and F/S bits */ i2c_set_clk_control(dev, FAST_CCR|I2C_CCR_DUTY|I2C_CCR_FS); /* Set scl rise time, max rise time in fast mode: 300ns */ @@ -350,7 +349,7 @@ void i2c_master_enable(i2c_dev *dev, uint32 flags) { } else { - /* 100 kHz for standard mode */ + /* 100 kHz for standard mode */ i2c_set_clk_control(dev, STANDARD_CCR); /* Max rise time in standard mode: 1000 ns */ |