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gex-core/platform/platform.c

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//
// Created by MightyPork on 2017/11/26.
//
#include "platform.h"
#include "usbd_core.h"
#include "USB/usb_device.h"
#include "framework/resources.h"
#include "framework/unit_registry.h"
#include "units/digital_out/unit_dout.h"
#include "units/digital_in/unit_din.h"
#include "units/neopixel/unit_neopixel.h"
#include "units/i2c/unit_i2c.h"
#include "units/1wire/unit_1wire.h"
#include "units/adc/unit_adc.h"
#include "units/test/unit_test.h"
#include "units/usart/unit_usart.h"
#include "units/spi/unit_spi.h"
#include "units/sipo/unit_sipo.h"
#include "hw_utils.h"
void plat_init_resources(void)
{
uint32_t rv = 0;
// enable clock for units we use
hw_periph_clock_enable(DMA1);
#ifdef DMA2
hw_periph_clock_enable(DMA2);
#endif
// --- Common unit drivers ---
#if HAVE_TEST_UNIT
ureg_add_type(&UNIT_TEST);
#endif
// --- platform specific resource releases and claims ---
#if defined(GEX_PLAT_F103_BLUEPILL)
// Platform STM32F103C8T6 Bluepill ($4 board from eBay)
// Units supported by the platform (known to work correctly)
// free all present resources
{
rsc_free_range(NULL, R_ADC1, R_ADC2);
rsc_free_range(NULL, R_I2C1, R_I2C2);
rsc_free_range(NULL, R_SPI1, R_SPI2);
rsc_free_range(NULL, R_TIM1, R_TIM4);
rsc_free_range(NULL, R_USART1, R_USART3);
rsc_free_range(NULL, R_PA0, R_PA15);
rsc_free_range(NULL, R_PB0, R_PB15);
rsc_free_range(NULL, R_PC13, R_PC15);
rsc_free_range(NULL, R_PD0, R_PD1);
}
// Claim resources not available due to board layout or internal usage
{
// HAL timebase
rv |= rsc_claim(&UNIT_SYSTEM, R_TIM1);
// HSE crystal
rv |= rsc_claim(&UNIT_SYSTEM, R_PD0);
rv |= rsc_claim(&UNIT_SYSTEM, R_PD1);
// SWD
rv |= rsc_claim(&UNIT_SYSTEM, R_PA13);
rv |= rsc_claim(&UNIT_SYSTEM, R_PA14);
// USB
rv |= rsc_claim(&UNIT_SYSTEM, R_PA11);
rv |= rsc_claim(&UNIT_SYSTEM, R_PA12);
// BOOT pin(s)
rv |= rsc_claim(&UNIT_SYSTEM, R_PB2); // BOOT1
}
#elif defined(GEX_PLAT_F072_DISCOVERY)
// Platform STM32F073RBT
// Additional GPIO ports
__HAL_RCC_GPIOF_CLK_ENABLE();
// Units supported by the platform (known to work correctly)
ureg_add_type(&UNIT_DOUT);
ureg_add_type(&UNIT_DIN);
ureg_add_type(&UNIT_NEOPIXEL);
ureg_add_type(&UNIT_I2C);
ureg_add_type(&UNIT_SPI);
ureg_add_type(&UNIT_USART);
ureg_add_type(&UNIT_1WIRE);
ureg_add_type(&UNIT_ADC);
ureg_add_type(&UNIT_SIPO);
// Free all present resources
{
rsc_free(NULL, R_ADC1);
// rsc_free(NULL, R_CAN1);
// rsc_free_range(NULL, R_COMP1, R_COMP2);
rsc_free(NULL, R_DAC1);
// rsc_free(NULL, R_HDMI_CEC);
// rsc_free(NULL, R_TSC);
rsc_free_range(NULL, R_I2C1, R_I2C2);
// rsc_free_range(NULL, R_I2S1, R_I2S2);
rsc_free_range(NULL, R_SPI1, R_SPI2);
rsc_free_range(NULL, R_TIM1, R_TIM3);
rsc_free_range(NULL, R_TIM6, R_TIM7);
rsc_free_range(NULL, R_TIM14, R_TIM17);
rsc_free_range(NULL, R_USART1, R_USART4);
rsc_free_range(NULL, R_DMA1_1, R_DMA1_7);
rsc_free_range(NULL, R_PA0, R_PA15);
rsc_free_range(NULL, R_PB0, R_PB15);
rsc_free_range(NULL, R_PC0, R_PC15);
rsc_free(NULL, R_PD2);
rsc_free_range(NULL, R_PF0, R_PF1);
}
// Claim resources not available due to board layout or internal usage
{
// HAL timebase
rv |= rsc_claim(&UNIT_SYSTEM, R_TIM1);
// HSE crystal
rv |= rsc_claim(&UNIT_SYSTEM, R_PF0);
//rv |= rsc_claim(&UNIT_SYSTEM, R_PF1); // - not used in BYPASS mode
// SWD
rv |= rsc_claim(&UNIT_SYSTEM, R_PA13);
rv |= rsc_claim(&UNIT_SYSTEM, R_PA14);
// USB
rv |= rsc_claim(&UNIT_SYSTEM, R_PA11);
rv |= rsc_claim(&UNIT_SYSTEM, R_PA12);
// BOOT pin(s)
rv |= rsc_claim(&UNIT_SYSTEM, R_PB2); // BOOT1
}
#elif defined(GEX_PLAT_F303_DISCOVERY)
// Platform STM32F303VCT
// Additional GPIO ports
__HAL_RCC_GPIOF_CLK_ENABLE();
// Units supported by the platform (known to work correctly)
// ureg_add_type(&UNIT_XYZ);
// Free all present resources
{
rsc_free_range(NULL, R_ADC1, R_ADC4);
// rsc_free(NULL, R_CAN1);
// rsc_free_range(NULL, R_COMP1, R_COMP7);
// rsc_free(NULL, R_HDMI_CEC);
rsc_free(NULL, R_DAC1);
rsc_free_range(NULL, R_I2C1, R_I2C2);
rsc_free_range(NULL, R_I2S2, R_I2S3);
// rsc_free_range(NULL, R_OPAMP1, R_OPAMP4);
rsc_free_range(NULL, R_SPI1, R_SPI3);
rsc_free_range(NULL, R_TIM1, R_TIM4);
rsc_free_range(NULL, R_TIM6, R_TIM8);
rsc_free_range(NULL, R_TIM15, R_TIM17);
// rsc_free(NULL, R_TSC);
rsc_free_range(NULL, R_USART1, R_USART5);
rsc_free_range(NULL, R_PA0, R_PA15);
rsc_free_range(NULL, R_PB0, R_PB15);
rsc_free_range(NULL, R_PC0, R_PC15);
rsc_free_range(NULL, R_PD0, R_PD15);
rsc_free_range(NULL, R_PE0, R_PE15);
rsc_free_range(NULL, R_PF0, R_PF2);
rsc_free(NULL, R_PF4);
rsc_free_range(NULL, R_PF9, R_PF10);
}
// Claim resources not available due to board layout or internal usage
{
// HAL timebase
rv |= rsc_claim(&UNIT_SYSTEM, R_TIM1);
// HSE crystal
rv |= rsc_claim(&UNIT_SYSTEM, R_PF0);
//rv |= rsc_claim(&UNIT_SYSTEM, R_PF1); // - not used in BYPASS mode
// SWD
rv |= rsc_claim(&UNIT_SYSTEM, R_PA13);
rv |= rsc_claim(&UNIT_SYSTEM, R_PA14);
// USB
rv |= rsc_claim(&UNIT_SYSTEM, R_PA11);
rv |= rsc_claim(&UNIT_SYSTEM, R_PA12);
// BOOT pin(s)
rv |= rsc_claim(&UNIT_SYSTEM, R_PB2); // BOOT1
}
#elif defined(GEX_PLAT_F407_DISCOVERY)
// Platform STM32F407VGT
// Additional GPIO ports
__HAL_RCC_GPIOF_CLK_ENABLE();
// Units supported by the platform (known to work correctly)
// ureg_add_type(&UNIT_XYZ);
// Free all present resources
{
rsc_free_range(NULL, R_ADC1, R_ADC3);
// rsc_free_range(NULL, R_CAN1, R_CAN2);
// rsc_free_range(NULL, R_COMP1, R_COMP7);
rsc_free(NULL, R_DAC1);
// rsc_free(NULL, R_DCMI);
// rsc_free(NULL, R_ETH);
// rsc_free(NULL, R_FSMC);
rsc_free_range(NULL, R_I2C1, R_I2C3);
rsc_free_range(NULL, R_I2S2, R_I2S3);
// rsc_free(NULL, R_SDIO);
rsc_free_range(NULL, R_SPI1, R_SPI3);
rsc_free_range(NULL, R_TIM1, R_TIM14);
rsc_free_range(NULL, R_USART1, R_USART3);
rsc_free(NULL, R_USART6);
rsc_free_range(NULL, R_PA0, R_PA15);
rsc_free_range(NULL, R_PB0, R_PB15);
rsc_free_range(NULL, R_PC0, R_PC15);
rsc_free_range(NULL, R_PD0, R_PD15);
rsc_free_range(NULL, R_PE0, R_PE15);
// also has 2 PH pins
// F407 appears to have fewer GPIOs than F303?
}
// Claim resources not available due to board layout or internal usage
{
// HAL timebase
rv |= rsc_claim(&UNIT_SYSTEM, R_TIM1);
// HSE crystal
// H0 and H1
// SWD
rv |= rsc_claim(&UNIT_SYSTEM, R_PA13);
rv |= rsc_claim(&UNIT_SYSTEM, R_PA14);
// USB
rv |= rsc_claim(&UNIT_SYSTEM, R_PA11);
rv |= rsc_claim(&UNIT_SYSTEM, R_PA12);
// BOOT pin(s)
rv |= rsc_claim(&UNIT_SYSTEM, R_PB2); // BOOT1
}
#else
#error "BAD PLATFORM!"
#endif
assert_param(rv == 0);
}
// ---- USB reconnect ----
/**
* USB re-connect (to apply change of the LOCK jumper)
*/
void plat_usb_reconnect(void)
{
// TODO add better reset methods available on different chips
USBD_LL_Reset(&hUsbDeviceFS);
#if defined(GEX_PLAT_F103_BLUEPILL)
// F103 doesn't have pull-up control
#else
HAL_PCD_DevDisconnect(&hpcd_USB_FS);
osDelay(100);
HAL_PCD_DevConnect(&hpcd_USB_FS);
#endif
}
void plat_print_system_pinout(IniWriter *iw)
{
if (iw->count == 0) return;
iw_string(iw, "System pin-out\r\n"
"--------------\r\n");
#if PLAT_LOCK_BTN
iw_sprintf(iw, "Lock button (active="
#if PLAT_LOCK_1CLOSED
"high"
#else
"low"
#endif
"): P%c%d\r\n", LOCK_JUMPER_PORT, LOCK_JUMPER_PIN);
#else
iw_sprintf(iw, "Lock jumper (closed="
#if PLAT_LOCK_1CLOSED
"high"
#else
"low"
#endif
"): P%c%d\r\n", LOCK_JUMPER_PORT, LOCK_JUMPER_PIN);
#endif
iw_sprintf(iw, "Indicator LED (anode): P%c%d\r\n", STATUS_LED_PORT, STATUS_LED_PIN);
iw_sprintf(iw, "System clock speed: %d MHz\r\n", PLAT_AHB_MHZ);
}