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Add I2C1 in Kconfig

This commit is contained in:
Wu Han 2018-09-29 18:44:53 +08:00
parent 52fa0189ad
commit 64c9eaa7dc
3 changed files with 14 additions and 8 deletions
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6
bsp/stm32f10x/drivers/Kconfig
View File

@ -1,3 +1,9 @@
config BSP_USING_I2C
bool "Enable I2C1 (PB6/7)"
default n
select RT_USING_I2C
select RT_USING_I2C_BITOPS
config RT_USING_UART1
bool "Enable UART1 (PA9/10)"
default y

2
bsp/stm32f10x/drivers/SConscript
View File

@ -15,7 +15,7 @@ usart.c
if GetDepend(['RT_USING_PIN']):
src += ['gpio.c']
if GetDepend(['RT_USING_I2C_BITOPS']):
if GetDepend(['BSP_USING_I2C']):
src += ['i2c.c']
# add canbus driver.

14
bsp/stm32f10x/drivers/i2c.c
View File

@ -12,7 +12,7 @@ void stm32_set_sda(void *data, rt_int32_t state)
void stm32_set_scl(void *data, rt_int32_t state)
{
if(state == 1)
GPIO_SetBits(I2C1_GPIO , I2C1_GPIO_SCL); //GPIOB->BSRRL = I2C1_GPIO_SCL
GPIO_SetBits(I2C1_GPIO , I2C1_GPIO_SCL); //GPIOB->BSRRL = I2C1_GPIO_SCL
else if(state == 0)
GPIO_ResetBits(I2C1_GPIO , I2C1_GPIO_SCL); //GPIOB->BSRRH = I2C1_GPIO_SCL
}
@ -62,17 +62,17 @@ static void RCC_Configuration(void)
static void GPIO_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = I2C1_GPIO_SDA | I2C1_GPIO_SCL;
GPIO_InitStructure.GPIO_Mode =GPIO_Mode_Out_OD ;
GPIO_InitStructure.GPIO_Speed =GPIO_Speed_50MHz;
GPIO_Init(I2C1_GPIO, &GPIO_InitStructure);
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = I2C1_GPIO_SDA | I2C1_GPIO_SCL;
GPIO_InitStructure.GPIO_Mode =GPIO_Mode_Out_OD ;
GPIO_InitStructure.GPIO_Speed =GPIO_Speed_50MHz;
GPIO_Init(I2C1_GPIO, &GPIO_InitStructure);
}
int rt_hw_i2c_init(void)
{
static struct rt_i2c_bus_device stm32_i2c;
RCC_Configuration();
GPIO_Configuration();