diff options
Diffstat (limited to 'driver_init.c')
| -rw-r--r-- | driver_init.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/driver_init.c b/driver_init.c new file mode 100644 index 0000000..920593a --- /dev/null +++ b/driver_init.c @@ -0,0 +1,134 @@ +/* + * Code generated from Atmel Start. + * + * This file will be overwritten when reconfiguring your Atmel Start project. + * Please copy examples or other code you want to keep to a separate file + * to avoid losing it when reconfiguring. + */ + +#include "driver_init.h" +#include <peripheral_clk_config.h> +#include <utils.h> +#include <hal_init.h> + +void USB_DEVICE_INSTANCE_PORT_init(void) +{ + + gpio_set_pin_direction(PA24, + // <y> Pin direction + // <id> pad_direction + // <GPIO_DIRECTION_OFF"> Off + // <GPIO_DIRECTION_IN"> In + // <GPIO_DIRECTION_OUT"> Out + GPIO_DIRECTION_OUT); + + gpio_set_pin_level(PA24, + // <y> Initial level + // <id> pad_initial_level + // <false"> Low + // <true"> High + false); + + gpio_set_pin_pull_mode(PA24, + // <y> Pull configuration + // <id> pad_pull_config + // <GPIO_PULL_OFF"> Off + // <GPIO_PULL_UP"> Pull-up + // <GPIO_PULL_DOWN"> Pull-down + GPIO_PULL_OFF); + + gpio_set_pin_function(PA24, + // <y> Pin function + // <id> pad_function + // <i> Auto : use driver pinmux if signal is imported by driver, else turn off function + // <PINMUX_PA24H_USB_DM"> Auto + // <GPIO_PIN_FUNCTION_OFF"> Off + // <GPIO_PIN_FUNCTION_A"> A + // <GPIO_PIN_FUNCTION_B"> B + // <GPIO_PIN_FUNCTION_C"> C + // <GPIO_PIN_FUNCTION_D"> D + // <GPIO_PIN_FUNCTION_E"> E + // <GPIO_PIN_FUNCTION_F"> F + // <GPIO_PIN_FUNCTION_G"> G + // <GPIO_PIN_FUNCTION_H"> H + // <GPIO_PIN_FUNCTION_I"> I + // <GPIO_PIN_FUNCTION_J"> J + // <GPIO_PIN_FUNCTION_K"> K + // <GPIO_PIN_FUNCTION_L"> L + // <GPIO_PIN_FUNCTION_M"> M + // <GPIO_PIN_FUNCTION_N"> N + PINMUX_PA24H_USB_DM); + + gpio_set_pin_direction(PA25, + // <y> Pin direction + // <id> pad_direction + // <GPIO_DIRECTION_OFF"> Off + // <GPIO_DIRECTION_IN"> In + // <GPIO_DIRECTION_OUT"> Out + GPIO_DIRECTION_OUT); + + gpio_set_pin_level(PA25, + // <y> Initial level + // <id> pad_initial_level + // <false"> Low + // <true"> High + false); + + gpio_set_pin_pull_mode(PA25, + // <y> Pull configuration + // <id> pad_pull_config + // <GPIO_PULL_OFF"> Off + // <GPIO_PULL_UP"> Pull-up + // <GPIO_PULL_DOWN"> Pull-down + GPIO_PULL_OFF); + + gpio_set_pin_function(PA25, + // <y> Pin function + // <id> pad_function + // <i> Auto : use driver pinmux if signal is imported by driver, else turn off function + // <PINMUX_PA25H_USB_DP"> Auto + // <GPIO_PIN_FUNCTION_OFF"> Off + // <GPIO_PIN_FUNCTION_A"> A + // <GPIO_PIN_FUNCTION_B"> B + // <GPIO_PIN_FUNCTION_C"> C + // <GPIO_PIN_FUNCTION_D"> D + // <GPIO_PIN_FUNCTION_E"> E + // <GPIO_PIN_FUNCTION_F"> F + // <GPIO_PIN_FUNCTION_G"> G + // <GPIO_PIN_FUNCTION_H"> H + // <GPIO_PIN_FUNCTION_I"> I + // <GPIO_PIN_FUNCTION_J"> J + // <GPIO_PIN_FUNCTION_K"> K + // <GPIO_PIN_FUNCTION_L"> L + // <GPIO_PIN_FUNCTION_M"> M + // <GPIO_PIN_FUNCTION_N"> N + PINMUX_PA25H_USB_DP); +} + +/* The USB module requires a GCLK_USB of 48 MHz ~ 0.25% clock + * for low speed and full speed operation. */ +#if (CONF_GCLK_USB_FREQUENCY > (48000000 + 48000000 / 400)) || (CONF_GCLK_USB_FREQUENCY < (48000000 - 48000000 / 400)) +#warning USB clock should be 48MHz ~ 0.25% clock, check your configuration! +#endif + +void USB_DEVICE_INSTANCE_CLOCK_init(void) +{ + + hri_gclk_write_PCHCTRL_reg(GCLK, USB_GCLK_ID, CONF_GCLK_USB_SRC | GCLK_PCHCTRL_CHEN); + hri_mclk_set_AHBMASK_USB_bit(MCLK); + hri_mclk_set_APBBMASK_USB_bit(MCLK); +} + +void USB_DEVICE_INSTANCE_init(void) +{ + USB_DEVICE_INSTANCE_CLOCK_init(); + usb_d_init(); + USB_DEVICE_INSTANCE_PORT_init(); +} + +void system_init(void) +{ + init_mcu(); + + USB_DEVICE_INSTANCE_init(); +} |