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Make the two keyboard halves communicate with each other via I2C.

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This commit is contained in:
László Monda
2016-03-11 15:39:08 +01:00
parent 7b30750ef5
commit 51de538b4a
16 changed files with 180 additions and 24 deletions
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33
right/include/board/pin_mux.c
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@@ -34,8 +34,14 @@
void BOARD_InitPins(void)
{
// Ungate ports.
CLOCK_EnableClock(kCLOCK_PortA); // LEDs
CLOCK_EnableClock(kCLOCK_PortB); // SW3, I2C
CLOCK_EnableClock(kCLOCK_PortC); // SW2
CLOCK_EnableClock(kCLOCK_PortD); // LEDs
CLOCK_EnableClock(kCLOCK_PortE); // UART1 for OpenSDA
// Set up UART1 for OpenSDA.
CLOCK_EnableClock(kCLOCK_PortE);
PORT_SetPinMux(PORTE, 0u, kPORT_MuxAlt3);
PORT_SetPinMux(PORTE, 1u, kPORT_MuxAlt3);
@@ -43,17 +49,12 @@ void BOARD_InitPins(void)
port_pin_config_t switchConfig = {0};
switchConfig.pullSelect = kPORT_PullUp;
switchConfig.mux = kPORT_MuxAsGpio;
CLOCK_EnableClock(kCLOCK_PortC);
PORT_SetPinConfig(BOARD_SW2_PORT, BOARD_SW2_GPIO_PIN, &switchConfig);
// Set up SW3.
CLOCK_EnableClock(kCLOCK_PortB);
PORT_SetPinConfig(BOARD_SW3_PORT, BOARD_SW3_GPIO_PIN, &switchConfig);
// Init LEDs.
CLOCK_EnableClock(kCLOCK_PortA);
CLOCK_EnableClock(kCLOCK_PortD);
// Initialize LEDs.
PORT_SetPinMux(BOARD_LED_RED_GPIO_PORT, BOARD_LED_RED_GPIO_PIN, kPORT_MuxAsGpio);
PORT_SetPinMux(BOARD_LED_GREEN_GPIO_PORT, BOARD_LED_GREEN_GPIO_PIN, kPORT_MuxAsGpio);
@@ -67,7 +68,19 @@ void BOARD_InitPins(void)
GPIO_PinInit(BOARD_LED_GREEN_GPIO, BOARD_LED_GREEN_GPIO_PIN, &led_config);
GPIO_PinInit(BOARD_LED_BLUE_GPIO, BOARD_LED_BLUE_GPIO_PIN, &led_config);
GPIO_SetPinsOutput(BOARD_LED_RED_GPIO, 1U << BOARD_LED_RED_GPIO_PIN);
GPIO_SetPinsOutput(BOARD_LED_GREEN_GPIO, 1U << BOARD_LED_GREEN_GPIO_PIN);
GPIO_SetPinsOutput(BOARD_LED_BLUE_GPIO, 1U << BOARD_LED_BLUE_GPIO_PIN);
GPIO_SetPinsOutput(BOARD_LED_RED_GPIO, 1 << BOARD_LED_RED_GPIO_PIN);
GPIO_SetPinsOutput(BOARD_LED_GREEN_GPIO, 1 << BOARD_LED_GREEN_GPIO_PIN);
GPIO_SetPinsOutput(BOARD_LED_BLUE_GPIO, 1 << BOARD_LED_BLUE_GPIO_PIN);
// Initialize I2C.
port_pin_config_t pinConfig = {0};
pinConfig.pullSelect = kPORT_PullUp;
pinConfig.openDrainEnable = kPORT_OpenDrainEnable;
PORT_SetPinConfig(PORTB, 2, &pinConfig);
PORT_SetPinConfig(PORTB, 3, &pinConfig);
PORT_SetPinMux(PORTB, 2, kPORT_MuxAlt2);
PORT_SetPinMux(PORTB, 3, kPORT_MuxAlt2);
}