flipperzero-firmware/bootloader/targets/f7/furi_hal/furi_hal_spi_config.c

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#include <furi_hal_spi_config.h>
#include <furi_hal_resources.h>
/* SPI Presets */
const LL_SPI_InitTypeDef furi_hal_spi_preset_2edge_low_8m = {
.Mode = LL_SPI_MODE_MASTER,
.TransferDirection = LL_SPI_FULL_DUPLEX,
.DataWidth = LL_SPI_DATAWIDTH_8BIT,
.ClockPolarity = LL_SPI_POLARITY_LOW,
.ClockPhase = LL_SPI_PHASE_2EDGE,
.NSS = LL_SPI_NSS_SOFT,
.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV8,
.BitOrder = LL_SPI_MSB_FIRST,
.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE,
.CRCPoly = 7,
};
const LL_SPI_InitTypeDef furi_hal_spi_preset_1edge_low_8m = {
.Mode = LL_SPI_MODE_MASTER,
.TransferDirection = LL_SPI_FULL_DUPLEX,
.DataWidth = LL_SPI_DATAWIDTH_8BIT,
.ClockPolarity = LL_SPI_POLARITY_LOW,
.ClockPhase = LL_SPI_PHASE_1EDGE,
.NSS = LL_SPI_NSS_SOFT,
.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV8,
.BitOrder = LL_SPI_MSB_FIRST,
.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE,
.CRCPoly = 7,
};
const LL_SPI_InitTypeDef furi_hal_spi_preset_1edge_low_4m = {
.Mode = LL_SPI_MODE_MASTER,
.TransferDirection = LL_SPI_FULL_DUPLEX,
.DataWidth = LL_SPI_DATAWIDTH_8BIT,
.ClockPolarity = LL_SPI_POLARITY_LOW,
.ClockPhase = LL_SPI_PHASE_1EDGE,
.NSS = LL_SPI_NSS_SOFT,
.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV16,
.BitOrder = LL_SPI_MSB_FIRST,
.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE,
.CRCPoly = 7,
};
const LL_SPI_InitTypeDef furi_hal_spi_preset_1edge_low_16m = {
.Mode = LL_SPI_MODE_MASTER,
.TransferDirection = LL_SPI_FULL_DUPLEX,
.DataWidth = LL_SPI_DATAWIDTH_8BIT,
.ClockPolarity = LL_SPI_POLARITY_LOW,
.ClockPhase = LL_SPI_PHASE_1EDGE,
.NSS = LL_SPI_NSS_SOFT,
.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV2,
.BitOrder = LL_SPI_MSB_FIRST,
.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE,
.CRCPoly = 7,
};
const LL_SPI_InitTypeDef furi_hal_spi_preset_1edge_low_2m = {
.Mode = LL_SPI_MODE_MASTER,
.TransferDirection = LL_SPI_FULL_DUPLEX,
.DataWidth = LL_SPI_DATAWIDTH_8BIT,
.ClockPolarity = LL_SPI_POLARITY_LOW,
.ClockPhase = LL_SPI_PHASE_1EDGE,
.NSS = LL_SPI_NSS_SOFT,
.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV32,
.BitOrder = LL_SPI_MSB_FIRST,
.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE,
.CRCPoly = 7,
};
/* SPI Buses */
static void furi_hal_spi_bus_r_event_callback(FuriHalSpiBus* bus, FuriHalSpiBusEvent event) {
if(event == FuriHalSpiBusEventInit) {
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SPI1);
LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_SPI1);
bus->current_handle = NULL;
} else if(event == FuriHalSpiBusEventDeinit) {
} else if(event == FuriHalSpiBusEventLock) {
} else if(event == FuriHalSpiBusEventUnlock) {
} else if(event == FuriHalSpiBusEventActivate) {
LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_SPI1);
} else if(event == FuriHalSpiBusEventDeactivate) {
LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_SPI1);
}
}
FuriHalSpiBus furi_hal_spi_bus_r = {
.spi = SPI1,
.callback = furi_hal_spi_bus_r_event_callback,
};
static void furi_hal_spi_bus_d_event_callback(FuriHalSpiBus* bus, FuriHalSpiBusEvent event) {
if(event == FuriHalSpiBusEventInit) {
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_SPI2);
LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_SPI2);
bus->current_handle = NULL;
} else if(event == FuriHalSpiBusEventDeinit) {
} else if(event == FuriHalSpiBusEventLock) {
} else if(event == FuriHalSpiBusEventUnlock) {
} else if(event == FuriHalSpiBusEventActivate) {
LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_SPI2);
} else if(event == FuriHalSpiBusEventDeactivate) {
LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_SPI2);
}
}
FuriHalSpiBus furi_hal_spi_bus_d = {
.spi = SPI2,
.callback = furi_hal_spi_bus_d_event_callback,
};
/* SPI Bus Handles */
inline static void furi_hal_spi_bus_r_handle_event_callback(
FuriHalSpiBusHandle* handle,
FuriHalSpiBusHandleEvent event,
const LL_SPI_InitTypeDef* preset) {
if(event == FuriHalSpiBusHandleEventInit) {
hal_gpio_write(handle->cs, true);
hal_gpio_init(handle->cs, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
} else if(event == FuriHalSpiBusHandleEventDeinit) {
hal_gpio_write(handle->cs, true);
hal_gpio_init(handle->cs, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
} else if(event == FuriHalSpiBusHandleEventActivate) {
LL_SPI_Init(handle->bus->spi, (LL_SPI_InitTypeDef*)preset);
LL_SPI_SetRxFIFOThreshold(handle->bus->spi, LL_SPI_RX_FIFO_TH_QUARTER);
LL_SPI_Enable(handle->bus->spi);
hal_gpio_init_ex(
handle->miso,
GpioModeAltFunctionPushPull,
GpioPullNo,
GpioSpeedVeryHigh,
GpioAltFn5SPI1);
hal_gpio_init_ex(
handle->mosi,
GpioModeAltFunctionPushPull,
GpioPullNo,
GpioSpeedVeryHigh,
GpioAltFn5SPI1);
hal_gpio_init_ex(
handle->sck,
GpioModeAltFunctionPushPull,
GpioPullNo,
GpioSpeedVeryHigh,
GpioAltFn5SPI1);
hal_gpio_write(handle->cs, false);
} else if(event == FuriHalSpiBusHandleEventDeactivate) {
hal_gpio_write(handle->cs, true);
hal_gpio_init(handle->miso, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
hal_gpio_init(handle->mosi, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
hal_gpio_init(handle->sck, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
LL_SPI_Disable(handle->bus->spi);
}
}
static void furi_hal_spi_bus_handle_subghz_event_callback(
FuriHalSpiBusHandle* handle,
FuriHalSpiBusHandleEvent event) {
furi_hal_spi_bus_r_handle_event_callback(handle, event, &furi_hal_spi_preset_1edge_low_8m);
}
FuriHalSpiBusHandle furi_hal_spi_bus_handle_subghz = {
.bus = &furi_hal_spi_bus_r,
.callback = furi_hal_spi_bus_handle_subghz_event_callback,
.miso = &gpio_spi_r_miso,
.mosi = &gpio_spi_r_mosi,
.sck = &gpio_spi_r_sck,
.cs = &gpio_subghz_cs,
};
static void furi_hal_spi_bus_handle_nfc_event_callback(
FuriHalSpiBusHandle* handle,
FuriHalSpiBusHandleEvent event) {
furi_hal_spi_bus_r_handle_event_callback(handle, event, &furi_hal_spi_preset_2edge_low_8m);
}
FuriHalSpiBusHandle furi_hal_spi_bus_handle_nfc = {
.bus = &furi_hal_spi_bus_r,
.callback = furi_hal_spi_bus_handle_nfc_event_callback,
.miso = &gpio_spi_r_miso,
.mosi = &gpio_spi_r_mosi,
.sck = &gpio_spi_r_sck,
.cs = &gpio_nfc_cs,
};
static void furi_hal_spi_bus_handle_external_event_callback(
FuriHalSpiBusHandle* handle,
FuriHalSpiBusHandleEvent event) {
furi_hal_spi_bus_r_handle_event_callback(handle, event, &furi_hal_spi_preset_1edge_low_2m);
}
FuriHalSpiBusHandle furi_hal_spi_bus_handle_external = {
.bus = &furi_hal_spi_bus_r,
.callback = furi_hal_spi_bus_handle_external_event_callback,
.miso = &gpio_ext_pa6,
.mosi = &gpio_ext_pa7,
.sck = &gpio_ext_pb3,
.cs = &gpio_ext_pa4,
};
inline static void furi_hal_spi_bus_d_handle_event_callback(
FuriHalSpiBusHandle* handle,
FuriHalSpiBusHandleEvent event,
const LL_SPI_InitTypeDef* preset) {
if(event == FuriHalSpiBusHandleEventInit) {
hal_gpio_write(handle->cs, true);
hal_gpio_init(handle->cs, GpioModeOutputPushPull, GpioPullUp, GpioSpeedVeryHigh);
hal_gpio_init_ex(
handle->miso,
GpioModeAltFunctionPushPull,
GpioPullNo,
GpioSpeedVeryHigh,
GpioAltFn5SPI2);
hal_gpio_init_ex(
handle->mosi,
GpioModeAltFunctionPushPull,
GpioPullNo,
GpioSpeedVeryHigh,
GpioAltFn5SPI2);
hal_gpio_init_ex(
handle->sck,
GpioModeAltFunctionPushPull,
GpioPullNo,
GpioSpeedVeryHigh,
GpioAltFn5SPI2);
} else if(event == FuriHalSpiBusHandleEventDeinit) {
hal_gpio_write(handle->cs, true);
hal_gpio_init(handle->cs, GpioModeAnalog, GpioPullUp, GpioSpeedLow);
} else if(event == FuriHalSpiBusHandleEventActivate) {
LL_SPI_Init(handle->bus->spi, (LL_SPI_InitTypeDef*)preset);
LL_SPI_SetRxFIFOThreshold(handle->bus->spi, LL_SPI_RX_FIFO_TH_QUARTER);
LL_SPI_Enable(handle->bus->spi);
hal_gpio_write(handle->cs, false);
} else if(event == FuriHalSpiBusHandleEventDeactivate) {
hal_gpio_write(handle->cs, true);
LL_SPI_Disable(handle->bus->spi);
}
}
static void furi_hal_spi_bus_handle_display_event_callback(
FuriHalSpiBusHandle* handle,
FuriHalSpiBusHandleEvent event) {
furi_hal_spi_bus_d_handle_event_callback(handle, event, &furi_hal_spi_preset_1edge_low_4m);
}
FuriHalSpiBusHandle furi_hal_spi_bus_handle_display = {
.bus = &furi_hal_spi_bus_d,
.callback = furi_hal_spi_bus_handle_display_event_callback,
.miso = &gpio_spi_d_miso,
.mosi = &gpio_spi_d_mosi,
.sck = &gpio_spi_d_sck,
.cs = &gpio_display_cs,
};
static void furi_hal_spi_bus_handle_sd_fast_event_callback(
FuriHalSpiBusHandle* handle,
FuriHalSpiBusHandleEvent event) {
furi_hal_spi_bus_d_handle_event_callback(handle, event, &furi_hal_spi_preset_1edge_low_16m);
}
FuriHalSpiBusHandle furi_hal_spi_bus_handle_sd_fast = {
.bus = &furi_hal_spi_bus_d,
.callback = furi_hal_spi_bus_handle_sd_fast_event_callback,
.miso = &gpio_spi_d_miso,
.mosi = &gpio_spi_d_mosi,
.sck = &gpio_spi_d_sck,
.cs = &gpio_sdcard_cs,
};
static void furi_hal_spi_bus_handle_sd_slow_event_callback(
FuriHalSpiBusHandle* handle,
FuriHalSpiBusHandleEvent event) {
furi_hal_spi_bus_d_handle_event_callback(handle, event, &furi_hal_spi_preset_1edge_low_2m);
}
FuriHalSpiBusHandle furi_hal_spi_bus_handle_sd_slow = {
.bus = &furi_hal_spi_bus_d,
.callback = furi_hal_spi_bus_handle_sd_slow_event_callback,
.miso = &gpio_spi_d_miso,
.mosi = &gpio_spi_d_mosi,
.sck = &gpio_spi_d_sck,
.cs = &gpio_sdcard_cs,
};