void GpioMcuInit( Gpio_t *obj, PinNames pin, PinModes mode, PinConfigs config, PinTypes type, uint32_t value )
{
GPIO_InitTypeDef GPIO_InitStructure;
if ( pin == NC )
return;
obj->portIndex = ( uint32_t ) pin >> 4;
obj->pin = pin;
obj->pinIndex = ( 0x01 << ( obj->pin & 0x0F ) );
if ( obj->portIndex < 6 )
{
obj->port = ( GPIO_TypeDef * )( GPIOA_BASE + ( obj->portIndex << 10 ) );
RCC_AHBPeriphClockCmd( ( 0x01 << obj->portIndex ), ENABLE );
}
else if ( obj->portIndex == 6 )
{ /* GPIO base address not in alphabetical order after GPIOE (cf stm32l1xx.h, line 926 ) */
/* Access to GPIOF and GPIOG not implemented */
obj->port = ( GPIO_TypeDef * )( GPIOH_BASE );
RCC_AHBPeriphClockCmd( ( 0x01 << ( obj->portIndex - 1 ) ), ENABLE );
}
// Sets initial output value
if ( mode == PIN_OUTPUT )
GpioMcuWrite( obj, value );
GPIO_InitStructure.GPIO_Mode = ( GPIOMode_TypeDef )mode;
GPIO_InitStructure.GPIO_OType = ( GPIOOType_TypeDef )config;
GPIO_InitStructure.GPIO_PuPd = ( GPIOPuPd_TypeDef )type;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
GPIO_InitStructure.GPIO_Pin = obj->pinIndex;
GPIO_Init( obj->port, &GPIO_InitStructure );
}
void GpioWrite( Gpio_t *obj, uint32_t value )
{
if( ( uint32_t )( obj->pin >> 4 ) <= 6 )
{
GpioMcuWrite( obj, value );
}
else
{
}
}
void GpioMcuInit( Gpio_t *obj, PinNames pin, PinModes mode, PinConfigs config, PinTypes type, uint32_t value )
{
GPIO_InitTypeDef GPIO_InitStructure;
obj->pin = pin;
if( pin == NC )
{
return;
}
obj->pinIndex = ( 0x01 << ( obj->pin & 0x0F ) );
if( ( obj->pin & 0xF0 ) == 0x00 )
{
obj->port = GPIOA;
__HAL_RCC_GPIOA_CLK_ENABLE( );
}
else if( ( obj->pin & 0xF0 ) == 0x10 )
{
obj->port = GPIOB;
__HAL_RCC_GPIOB_CLK_ENABLE( );
}
else if( ( obj->pin & 0xF0 ) == 0x20 )
{
obj->port = GPIOC;
__HAL_RCC_GPIOC_CLK_ENABLE( );
}
else if( ( obj->pin & 0xF0 ) == 0x30 )
{
obj->port = GPIOD;
__HAL_RCC_GPIOD_CLK_ENABLE( );
}
else
{
assert_param( FAIL );
}
GPIO_InitStructure.Pin = obj->pinIndex ;
GPIO_InitStructure.Pull = obj->pull = type;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH;
if( mode == PIN_INPUT )
{
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
}
else if( mode == PIN_ANALOGIC )
{
GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
}
else if( mode == PIN_ALTERNATE_FCT )
{
if( config == PIN_OPEN_DRAIN )
{
GPIO_InitStructure.Mode = GPIO_MODE_AF_OD;
}
else
{
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
}
GPIO_InitStructure.Alternate = value;
}
else // mode output
{
if( config == PIN_OPEN_DRAIN )
{
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_OD;
}
else
{
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
}
}
HAL_GPIO_Init( obj->port, &GPIO_InitStructure );
// Sets initial output value
if( mode == PIN_OUTPUT )
{
GpioMcuWrite( obj, value );
}
}