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ported stm32f3, close #67

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This commit is contained in:
hathach
2019-09-11 16:56:26 +07:00
parent 7599541c1a
commit 8a2b228c3f
4 changed files with 57 additions and 35 deletions
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75
hw/bsp/stm32f303disco/stm32f303disco.c
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@@ -37,16 +37,28 @@
#define BUTTON_PIN GPIO_PIN_0
#define BUTTON_STATE_ACTIVE 1
void board_init(void)
{
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer
SysTick_Config(SystemCoreClock / 1000);
#endif
/* Configure the system clock to 72 MHz */
/**
* @brief System Clock Configuration
* The system Clock is configured as follow :
* System Clock source = PLL (HSE)
* SYSCLK(Hz) = 72000000
* HCLK(Hz) = 72000000
* AHB Prescaler = 1
* APB1 Prescaler = 2
* APB2 Prescaler = 1
* HSE Frequency(Hz) = 8000000
* HSE PREDIV = 1
* PLLMUL = RCC_PLL_MUL9 (9)
* Flash Latency(WS) = 2
* @param None
* @retval None
*/
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_PeriphCLKInitTypeDef RCC_PeriphClkInit;
/* Enable HSE Oscillator and activate PLL with HSE as source */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
@@ -57,14 +69,32 @@ void board_init(void)
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
/* Configures the USB clock */
HAL_RCCEx_GetPeriphCLKConfig(&RCC_PeriphClkInit);
RCC_PeriphClkInit.USBClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit);
/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
clocks dividers */
clocks dividers */
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
(void) HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
/* Enable Power Clock */
__HAL_RCC_PWR_CLK_ENABLE();
}
void board_init(void)
{
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer
SysTick_Config(SystemCoreClock / 1000);
#endif
SystemClock_Config();
// Notify runtime of frequency change.
SystemCoreClockUpdate();
@@ -86,27 +116,16 @@ void board_init(void)
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct);
/* Configure USB DM and DP pins */
GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF14_USB;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
// Start USB clock
// Enable USB clock
__HAL_RCC_USB_CLK_ENABLE();
#if 0
RCC->AHB2ENR |= RCC_AHB2ENR_OTGFSEN;
// USB Pin Init
// PA9- VUSB, PA10- ID, PA11- DM, PA12- DP
// PC0- Power on
RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN;
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;
#endif
}
//--------------------------------------------------------------------+