diff options
| author | William D. Jones <[email protected]> | 2019-01-13 17:34:09 -0500 |
|---|---|---|
| committer | William D. Jones <[email protected]> | 2019-01-13 18:36:18 -0500 |
| commit | 657d3e2983558831cd5525b2c5aa3bef27f9468b (patch) | |
| tree | 7cb083a83482747dd2b9e5e4ed22bd73626fb6b0 /hw | |
| parent | 03cbd406cb16ff2da5b11775e0d34d7d53f5ea45 (diff) | |
stm32f4: Enable USB peripheral, fix typos in register writes.
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/bsp/stm32f407g_disc1/board_stm32f407g_disc1.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/hw/bsp/stm32f407g_disc1/board_stm32f407g_disc1.c b/hw/bsp/stm32f407g_disc1/board_stm32f407g_disc1.c index f08cecac8..30239de50 100644 --- a/hw/bsp/stm32f407g_disc1/board_stm32f407g_disc1.c +++ b/hw/bsp/stm32f407g_disc1/board_stm32f407g_disc1.c @@ -85,13 +85,18 @@ void board_init(void) RCC->AHB2ENR |= RCC_AHB2ENR_OTGFSEN; // USB Pin Init - // PA10- ID, PA11- DM, PA12- DP + // PA9- VUSB, PA10- ID, PA11- DM, PA12- DP // PC0- Power on RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN; - GPIOD->MODER |= GPIO_MODER_MODE10_1 | GPIO_MODER_MODE11_1 | \ - GPIO_MODER_MODE12_1; - GPIOA->AFR[1] |= (10 << GPIO_AFRH_AFSEL10_Pos) | \ - (10 << GPIO_AFRH_AFSEL11_Pos) | (10 << GPIO_AFRH_AFSEL12_Pos); + GPIOA->MODER |= GPIO_MODER_MODE9_1 | GPIO_MODER_MODE10_1 | \ + GPIO_MODER_MODE11_1 | GPIO_MODER_MODE12_1; + GPIOA->AFR[1] |= (10 << GPIO_AFRH_AFSEL9_Pos) | \ + (10 << GPIO_AFRH_AFSEL10_Pos) | (10 << GPIO_AFRH_AFSEL11_Pos) | \ + (10 << GPIO_AFRH_AFSEL12_Pos); + + // Pullup required on ID, despite the manual claiming there's an + // internal pullup already (page 1245, Rev 17) + GPIOA->PUPDR |= GPIO_PUPDR_PUPD10_0; } |