diff options
| author | William D. Jones <[email protected]> | 2019-09-03 01:19:38 -0400 |
|---|---|---|
| committer | William D. Jones <[email protected]> | 2019-09-03 01:28:41 -0400 |
| commit | 4ce8796b2ac098868ade2a13a8f88730b960201e (patch) | |
| tree | e975b02e74932fae58b0771e86dceffe710d8da4 | |
| parent | f703a74daa62584b44d162e771cfd31badd0be64 (diff) | |
board_stm32h743nucleo: Implement user button for mouse/keyboard demo.
| -rw-r--r-- | hw/bsp/stm32h743nucleo/board_stm32h743nucleo.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/hw/bsp/stm32h743nucleo/board_stm32h743nucleo.c b/hw/bsp/stm32h743nucleo/board_stm32h743nucleo.c index f2d8cecdb..9f4c50692 100644 --- a/hw/bsp/stm32h743nucleo/board_stm32h743nucleo.c +++ b/hw/bsp/stm32h743nucleo/board_stm32h743nucleo.c @@ -32,6 +32,8 @@ #define LED_PORT GPIOB #define LED_PIN GPIO_PIN_0 +#define BUTTON_PORT GPIOC +#define BUTTON_PIN GPIO_PIN_13 /* PWR, RCC, GPIO (All): AHB4 (D3 domain) USB{1,2} OTG_{H,F}S: AHB1 (D2 domain) @@ -164,6 +166,13 @@ void board_init(void) GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct); + __HAL_RCC_GPIOC_CLK_ENABLE(); + GPIO_InitStruct.Pin = BUTTON_PIN; + GPIO_InitStruct.Mode = GPIO_MODE_INPUT; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; + HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct); + // https://community.st.com/s/question/0D50X00009XkYZLSA3/stm32h7-nucleo-usb-fs-cdc // TODO: Board init actually works fine without this line. HAL_PWREx_EnableUSBVoltageDetector(); @@ -181,8 +190,7 @@ void board_led_write(bool state) uint32_t board_button_read(void) { - // TODO implement - return 0; + return HAL_GPIO_ReadPin(BUTTON_PORT, BUTTON_PIN); } int board_uart_read(uint8_t* buf, int len) |