diff options
Diffstat (limited to 'watch-library/hardware/hw/driver_init.c')
| -rw-r--r-- | watch-library/hardware/hw/driver_init.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/watch-library/hardware/hw/driver_init.c b/watch-library/hardware/hw/driver_init.c index 09723bec..3e097a8e 100644 --- a/watch-library/hardware/hw/driver_init.c +++ b/watch-library/hardware/hw/driver_init.c @@ -15,6 +15,8 @@ struct slcd_sync_descriptor SEGMENT_LCD_0; struct i2c_m_sync_desc I2C_0; +struct spi_m_sync_descriptor SPI_0; + void I2C_0_PORT_init(void) { gpio_set_pin_pull_mode(SDA, @@ -50,6 +52,68 @@ void I2C_0_init(void) { I2C_0_PORT_init(); } +void SPI_0_PORT_init(void) { + + gpio_set_pin_level(A2, + // <y> Initial level + // <id> pad_initial_level + // <false"> Low + // <true"> High + false); + + // Set pin direction to output + gpio_set_pin_direction(A2, GPIO_DIRECTION_OUT); + + gpio_set_pin_function(A2, PINMUX_PB02C_SERCOM3_PAD0); + + // Set pin direction to input + gpio_set_pin_direction(A4, GPIO_DIRECTION_IN); + + gpio_set_pin_pull_mode(A4, + // <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(A4, PINMUX_PB00C_SERCOM3_PAD2); + + gpio_set_pin_level(A1, + // <y> Initial level + // <id> pad_initial_level + // <false"> Low + // <true"> High + false); + + // Set pin direction to output + gpio_set_pin_direction(A1, GPIO_DIRECTION_OUT); + + gpio_set_pin_function(A1, PINMUX_PB01C_SERCOM3_PAD3); + + gpio_set_pin_level(A3, + // <y> Initial level + // <id> pad_initial_level + // <false"> Low + // <true"> High + true); + + // Set pin direction to output + gpio_set_pin_direction(A3, GPIO_DIRECTION_OUT); +} + +void SPI_0_CLOCK_init(void) { + hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM3_GCLK_ID_CORE, CONF_GCLK_SERCOM3_CORE_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos)); + hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM3_GCLK_ID_SLOW, CONF_GCLK_SERCOM3_SLOW_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos)); + hri_mclk_set_APBCMASK_SERCOM3_bit(MCLK); +} + +void SPI_0_init(void) { + SPI_0_CLOCK_init(); + spi_m_sync_init(&SPI_0, SERCOM3); + SPI_0_PORT_init(); +} + void delay_driver_init(void) { delay_init(SysTick); } |