| /* |
| * 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(); |
| } |