void lps331_set_drdy_int(handler_t data_ready_handler, handler_arg_t data_ready_arg)
{
if(data_ready_handler)
{
exti_set_handler(lps331.data_ready_line, data_ready_handler, data_ready_arg);
exti_enable_interrupt_line(lps331.data_ready_line, EXTI_TRIGGER_RISING);
}
else
{
exti_disable_interrupt_line(lps331.data_ready_line);
}
}
void l3g4200d_set_drdy_int(handler_t data_ready_handler,
handler_arg_t data_ready_arg)
{
// Enable interrupt generation if required
if (data_ready_handler)
{
exti_set_handler(l3g4200d.data_ready_line, data_ready_handler,
data_ready_arg);
exti_enable_interrupt_line(l3g4200d.data_ready_line,
EXTI_TRIGGER_RISING);
}
else
{
exti_disable_interrupt_line(l3g4200d.data_ready_line);
}
}
void platform_drivers_setup()
{
// Set base address and AHB bit for all GPIO ports
gpio_enable(GPIO_A);
gpio_enable(GPIO_B);
gpio_enable(GPIO_C);
gpio_enable(GPIO_D);
// Enable the AFIO
rcc_apb_enable(RCC_APB_BUS_AFIO, RCC_APB_BIT_AFIO);
// Start the TIM3 at ~32kHz
timer_enable(TIM_3);
timer_select_internal_clock(TIM_3, (rcc_sysclk_get_clock_frequency(
RCC_SYSCLK_CLOCK_PCLK1_TIM) / 32768) - 1);
timer_start(TIM_3, 0xFFFF, NULL, NULL);
// Enable the print uart
gpio_set_uart_tx(GPIO_A, GPIO_PIN_9);
gpio_set_uart_rx(GPIO_A, GPIO_PIN_10);
uart_enable(UART_1, PLATFORM_UART_PRINT_BAUDRATE);
// Configure the DMA for the SPIs
dma_enable(DMA_1_CH4);
dma_enable(DMA_1_CH5);
// Configure the SPI 2
gpio_set_spi_clk(GPIO_B, GPIO_PIN_13);
gpio_set_spi_miso(GPIO_B, GPIO_PIN_14);
gpio_set_spi_mosi(GPIO_B, GPIO_PIN_15);
spi_set_dma(SPI_2, DMA_1_CH4, DMA_1_CH5);
spi_enable(SPI_2, 4000000, SPI_CLOCK_MODE_IDLE_LOW_RISING);
// Configure the I2C 1
gpio_set_i2c_scl(GPIO_B, GPIO_PIN_6);
gpio_set_i2c_sda(GPIO_B, GPIO_PIN_7);
i2c_enable(I2C_1, I2C_CLOCK_MODE_FAST);
// Force inclusion of EXTI
exti_set_handler(EXTI_LINE_Px0, NULL, NULL);
}