[FL-2060] FuriHal: SPI refactoring, flexible bus reconfiguration on fly, same design as i2c. (#853)
* FuriHal: SPI refactoring, flexible bus reconfigration on fly, same desiag as i2c. * Lib: update CC1101 driver documentation * FuriHal: update spi symbol names to match naming convention.
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@@ -1,10 +1,9 @@
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#include <furi-hal-spi-config.h>
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#include <furi-hal-resources.h>
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#define SPI_R SPI1
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#define SPI_D SPI2
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/* SPI Presets */
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const LL_SPI_InitTypeDef furi_hal_spi_config_nfc = {
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const LL_SPI_InitTypeDef furi_hal_spi_preset_2edge_low_8m = {
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.Mode = LL_SPI_MODE_MASTER,
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.TransferDirection = LL_SPI_FULL_DUPLEX,
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.DataWidth = LL_SPI_DATAWIDTH_8BIT,
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@@ -17,7 +16,7 @@ const LL_SPI_InitTypeDef furi_hal_spi_config_nfc = {
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.CRCPoly = 7,
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};
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const LL_SPI_InitTypeDef furi_hal_spi_config_subghz = {
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const LL_SPI_InitTypeDef furi_hal_spi_preset_1edge_low_8m = {
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.Mode = LL_SPI_MODE_MASTER,
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.TransferDirection = LL_SPI_FULL_DUPLEX,
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.DataWidth = LL_SPI_DATAWIDTH_8BIT,
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@@ -30,7 +29,7 @@ const LL_SPI_InitTypeDef furi_hal_spi_config_subghz = {
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.CRCPoly = 7,
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};
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const LL_SPI_InitTypeDef furi_hal_spi_config_display = {
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const LL_SPI_InitTypeDef furi_hal_spi_preset_1edge_low_4m = {
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.Mode = LL_SPI_MODE_MASTER,
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.TransferDirection = LL_SPI_FULL_DUPLEX,
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.DataWidth = LL_SPI_DATAWIDTH_8BIT,
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@@ -43,10 +42,7 @@ const LL_SPI_InitTypeDef furi_hal_spi_config_display = {
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.CRCPoly = 7,
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};
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/**
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* SD Card in fast mode (after init)
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*/
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const LL_SPI_InitTypeDef furi_hal_spi_config_sd_fast = {
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const LL_SPI_InitTypeDef furi_hal_spi_preset_1edge_low_16m = {
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.Mode = LL_SPI_MODE_MASTER,
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.TransferDirection = LL_SPI_FULL_DUPLEX,
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.DataWidth = LL_SPI_DATAWIDTH_8BIT,
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@@ -59,10 +55,7 @@ const LL_SPI_InitTypeDef furi_hal_spi_config_sd_fast = {
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.CRCPoly = 7,
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};
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/**
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* SD Card in slow mode (before init)
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*/
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const LL_SPI_InitTypeDef furi_hal_spi_config_sd_slow = {
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const LL_SPI_InitTypeDef furi_hal_spi_preset_1edge_low_2m = {
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.Mode = LL_SPI_MODE_MASTER,
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.TransferDirection = LL_SPI_FULL_DUPLEX,
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.DataWidth = LL_SPI_DATAWIDTH_8BIT,
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@@ -75,40 +68,223 @@ const LL_SPI_InitTypeDef furi_hal_spi_config_sd_slow = {
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.CRCPoly = 7,
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};
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const FuriHalSpiBus spi_r = {
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.spi = SPI_R,
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/* SPI Buses */
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static void furi_hal_spi_bus_r_event_callback(FuriHalSpiBus* bus, FuriHalSpiBusEvent event) {
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if(event == FuriHalSpiBusEventInit) {
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LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SPI1);
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LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_SPI1);
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bus->current_handle = NULL;
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} else if(event == FuriHalSpiBusEventDeinit) {
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} else if(event == FuriHalSpiBusEventLock) {
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} else if(event == FuriHalSpiBusEventUnlock) {
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} else if(event == FuriHalSpiBusEventActivate) {
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LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_SPI1);
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} else if(event == FuriHalSpiBusEventDeactivate) {
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LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_SPI1);
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}
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}
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FuriHalSpiBus furi_hal_spi_bus_r = {
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.spi = SPI1,
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.callback = furi_hal_spi_bus_r_event_callback,
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};
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static void furi_hal_spi_bus_d_event_callback(FuriHalSpiBus* bus, FuriHalSpiBusEvent event) {
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if(event == FuriHalSpiBusEventInit) {
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LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_SPI2);
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LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_SPI2);
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bus->current_handle = NULL;
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} else if(event == FuriHalSpiBusEventDeinit) {
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} else if(event == FuriHalSpiBusEventLock) {
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} else if(event == FuriHalSpiBusEventUnlock) {
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} else if(event == FuriHalSpiBusEventActivate) {
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LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_SPI2);
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} else if(event == FuriHalSpiBusEventDeactivate) {
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LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_SPI2);
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}
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}
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FuriHalSpiBus furi_hal_spi_bus_d = {
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.spi = SPI2,
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.callback = furi_hal_spi_bus_d_event_callback,
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};
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/* SPI Bus Handles */
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inline static void furi_hal_spi_bus_r_handle_event_callback(
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FuriHalSpiBusHandle* handle,
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FuriHalSpiBusHandleEvent event,
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const LL_SPI_InitTypeDef* preset) {
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if(event == FuriHalSpiBusHandleEventInit) {
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hal_gpio_write(handle->cs, true);
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hal_gpio_init(handle->cs, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
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} else if(event == FuriHalSpiBusHandleEventDeinit) {
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hal_gpio_write(handle->cs, true);
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hal_gpio_init(handle->cs, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
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} else if(event == FuriHalSpiBusHandleEventActivate) {
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LL_SPI_Init(handle->bus->spi, (LL_SPI_InitTypeDef*)preset);
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LL_SPI_SetRxFIFOThreshold(handle->bus->spi, LL_SPI_RX_FIFO_TH_QUARTER);
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LL_SPI_Enable(handle->bus->spi);
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hal_gpio_init_ex(
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handle->miso,
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GpioModeAltFunctionPushPull,
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GpioPullNo,
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GpioSpeedVeryHigh,
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GpioAltFn5SPI1);
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hal_gpio_init_ex(
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handle->mosi,
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GpioModeAltFunctionPushPull,
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GpioPullNo,
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GpioSpeedVeryHigh,
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GpioAltFn5SPI1);
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hal_gpio_init_ex(
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handle->sck,
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GpioModeAltFunctionPushPull,
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GpioPullNo,
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GpioSpeedVeryHigh,
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GpioAltFn5SPI1);
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hal_gpio_write(handle->cs, false);
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} else if(event == FuriHalSpiBusHandleEventDeactivate) {
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hal_gpio_write(handle->cs, true);
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hal_gpio_init(handle->miso, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
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hal_gpio_init(handle->mosi, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
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hal_gpio_init(handle->sck, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
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LL_SPI_Disable(handle->bus->spi);
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}
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}
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static void furi_hal_spi_bus_handle_subghz_event_callback(
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FuriHalSpiBusHandle* handle,
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FuriHalSpiBusHandleEvent event) {
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furi_hal_spi_bus_r_handle_event_callback(handle, event, &furi_hal_spi_preset_1edge_low_8m);
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}
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FuriHalSpiBusHandle furi_hal_spi_bus_handle_subghz = {
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.bus = &furi_hal_spi_bus_r,
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.callback = furi_hal_spi_bus_handle_subghz_event_callback,
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.miso = &gpio_spi_r_miso,
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.mosi = &gpio_spi_r_mosi,
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.clk = &gpio_spi_r_sck,
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.sck = &gpio_spi_r_sck,
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.cs = &gpio_subghz_cs,
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};
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const FuriHalSpiBus spi_d = {
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.spi = SPI_D,
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static void furi_hal_spi_bus_handle_nfc_event_callback(
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FuriHalSpiBusHandle* handle,
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FuriHalSpiBusHandleEvent event) {
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furi_hal_spi_bus_r_handle_event_callback(handle, event, &furi_hal_spi_preset_2edge_low_8m);
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}
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FuriHalSpiBusHandle furi_hal_spi_bus_handle_nfc = {
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.bus = &furi_hal_spi_bus_r,
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.callback = furi_hal_spi_bus_handle_nfc_event_callback,
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.miso = &gpio_spi_r_miso,
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.mosi = &gpio_spi_r_mosi,
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.sck = &gpio_spi_r_sck,
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.cs = &gpio_nfc_cs,
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};
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static void furi_hal_spi_bus_handle_external_event_callback(
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FuriHalSpiBusHandle* handle,
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FuriHalSpiBusHandleEvent event) {
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furi_hal_spi_bus_r_handle_event_callback(handle, event, &furi_hal_spi_preset_1edge_low_2m);
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}
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FuriHalSpiBusHandle furi_hal_spi_bus_handle_external = {
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.bus = &furi_hal_spi_bus_r,
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.callback = furi_hal_spi_bus_handle_external_event_callback,
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.miso = &gpio_ext_pa6,
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.mosi = &gpio_ext_pa7,
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.sck = &gpio_ext_pb3,
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.cs = &gpio_ext_pa4,
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};
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inline static void furi_hal_spi_bus_d_handle_event_callback(
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FuriHalSpiBusHandle* handle,
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FuriHalSpiBusHandleEvent event,
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const LL_SPI_InitTypeDef* preset) {
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if(event == FuriHalSpiBusHandleEventInit) {
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hal_gpio_write(handle->cs, true);
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hal_gpio_init(handle->cs, GpioModeOutputPushPull, GpioPullUp, GpioSpeedVeryHigh);
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hal_gpio_init_ex(
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handle->miso,
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GpioModeAltFunctionPushPull,
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GpioPullNo,
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GpioSpeedVeryHigh,
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GpioAltFn5SPI2);
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hal_gpio_init_ex(
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handle->mosi,
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GpioModeAltFunctionPushPull,
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GpioPullNo,
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GpioSpeedVeryHigh,
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GpioAltFn5SPI2);
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hal_gpio_init_ex(
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handle->sck,
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GpioModeAltFunctionPushPull,
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GpioPullNo,
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GpioSpeedVeryHigh,
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GpioAltFn5SPI2);
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} else if(event == FuriHalSpiBusHandleEventDeinit) {
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hal_gpio_write(handle->cs, true);
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hal_gpio_init(handle->cs, GpioModeAnalog, GpioPullUp, GpioSpeedLow);
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} else if(event == FuriHalSpiBusHandleEventActivate) {
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LL_SPI_Init(handle->bus->spi, (LL_SPI_InitTypeDef*)preset);
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LL_SPI_SetRxFIFOThreshold(handle->bus->spi, LL_SPI_RX_FIFO_TH_QUARTER);
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LL_SPI_Enable(handle->bus->spi);
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hal_gpio_write(handle->cs, false);
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} else if(event == FuriHalSpiBusHandleEventDeactivate) {
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hal_gpio_write(handle->cs, true);
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LL_SPI_Disable(handle->bus->spi);
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}
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}
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static void furi_hal_spi_bus_handle_display_event_callback(
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FuriHalSpiBusHandle* handle,
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FuriHalSpiBusHandleEvent event) {
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furi_hal_spi_bus_d_handle_event_callback(handle, event, &furi_hal_spi_preset_1edge_low_4m);
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}
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FuriHalSpiBusHandle furi_hal_spi_bus_handle_display = {
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.bus = &furi_hal_spi_bus_d,
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.callback = furi_hal_spi_bus_handle_display_event_callback,
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.miso = &gpio_spi_d_miso,
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.mosi = &gpio_spi_d_mosi,
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.clk = &gpio_spi_d_sck,
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.sck = &gpio_spi_d_sck,
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.cs = &gpio_display_cs,
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};
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const FuriHalSpiDevice furi_hal_spi_devices[FuriHalSpiDeviceIdMax] = {
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{
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.bus = &spi_r,
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.config = &furi_hal_spi_config_subghz,
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.chip_select = &gpio_subghz_cs,
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},
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{
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.bus = &spi_d,
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.config = &furi_hal_spi_config_display,
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.chip_select = &gpio_display_cs,
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},
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{
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.bus = &spi_d,
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.config = &furi_hal_spi_config_sd_fast,
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.chip_select = &gpio_sdcard_cs,
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},
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{
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.bus = &spi_d,
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.config = &furi_hal_spi_config_sd_slow,
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.chip_select = &gpio_sdcard_cs,
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},
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{.bus = &spi_r, .config = &furi_hal_spi_config_nfc, .chip_select = &gpio_nfc_cs},
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static void furi_hal_spi_bus_handle_sd_fast_event_callback(
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FuriHalSpiBusHandle* handle,
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FuriHalSpiBusHandleEvent event) {
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furi_hal_spi_bus_d_handle_event_callback(handle, event, &furi_hal_spi_preset_1edge_low_16m);
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}
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FuriHalSpiBusHandle furi_hal_spi_bus_handle_sd_fast = {
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.bus = &furi_hal_spi_bus_d,
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.callback = furi_hal_spi_bus_handle_sd_fast_event_callback,
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.miso = &gpio_spi_d_miso,
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.mosi = &gpio_spi_d_mosi,
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.sck = &gpio_spi_d_sck,
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.cs = &gpio_sdcard_cs,
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};
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static void furi_hal_spi_bus_handle_sd_slow_event_callback(
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FuriHalSpiBusHandle* handle,
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FuriHalSpiBusHandleEvent event) {
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furi_hal_spi_bus_d_handle_event_callback(handle, event, &furi_hal_spi_preset_1edge_low_2m);
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}
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FuriHalSpiBusHandle furi_hal_spi_bus_handle_sd_slow = {
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.bus = &furi_hal_spi_bus_d,
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.callback = furi_hal_spi_bus_handle_sd_slow_event_callback,
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.miso = &gpio_spi_d_miso,
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.mosi = &gpio_spi_d_mosi,
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.sck = &gpio_spi_d_sck,
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.cs = &gpio_sdcard_cs,
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};
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