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This commit is contained in:
Dmitry422
2026-01-23 18:59:14 +07:00
parent e76dedd825
commit 267140b161
54 changed files with 219 additions and 306 deletions
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19
applications/drivers/subghz/cc1101_ext/cc1101_ext.c
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@@ -98,6 +98,8 @@ typedef struct {
static SubGhzDeviceCC1101Ext* subghz_device_cc1101_ext = NULL;
bool subghz_device_cc1101_ext_is_async_tx_complete(void);
static bool subghz_device_cc1101_ext_check_init(void) {
furi_assert(subghz_device_cc1101_ext->state == SubGhzDeviceCC1101ExtStateInit);
subghz_device_cc1101_ext->state = SubGhzDeviceCC1101ExtStateIdle;
@@ -794,15 +796,20 @@ bool subghz_device_cc1101_ext_start_async_tx(SubGhzDeviceCC1101ExtCallback callb
subghz_device_cc1101_ext->async_tx.buffer =
malloc(SUBGHZ_DEVICE_CC1101_EXT_ASYNC_TX_BUFFER_FULL * sizeof(uint32_t));
// here we do the same things as in /unleashed-firmware/targets/f7/furi_hal/furi_hal_subghz.c
// use first DMA to update timer TIM17 durations, but TIM17 have not output chanel
// so we use second DMA to transfer data from gpio_tx_buff directly to gpio pin using BSSR.
// BSSR allow us tranfer data directly to pin in gpio port.
//Signal generation with mem-to-mem DMA
furi_hal_gpio_write(subghz_device_cc1101_ext->g0_pin, false);
furi_hal_gpio_init(
subghz_device_cc1101_ext->g0_pin, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
// Configure DMA update timer
// Configure DMA to update timer TIM17 ARR by durations from buffer
LL_DMA_SetMemoryAddress(
SUBGHZ_DEVICE_CC1101_EXT_DMA_CH3_DEF, (uint32_t)subghz_device_cc1101_ext->async_tx.buffer);
LL_DMA_SetPeriphAddress(SUBGHZ_DEVICE_CC1101_EXT_DMA_CH3_DEF, (uint32_t) & (TIM17->ARR));
LL_DMA_SetPeriphAddress(SUBGHZ_DEVICE_CC1101_EXT_DMA_CH3_DEF, (uint32_t)&(TIM17->ARR));
LL_DMA_ConfigTransfer(
SUBGHZ_DEVICE_CC1101_EXT_DMA_CH3_DEF,
LL_DMA_DIRECTION_MEMORY_TO_PERIPH | LL_DMA_MODE_CIRCULAR | LL_DMA_PERIPH_NOINCREMENT |
@@ -821,7 +828,7 @@ bool subghz_device_cc1101_ext_start_async_tx(SubGhzDeviceCC1101ExtCallback callb
furi_hal_bus_enable(FuriHalBusTIM17);
// Configure TIM
// Configure TIM 17
// Set the timer resolution to 2 us
LL_TIM_SetCounterMode(TIM17, LL_TIM_COUNTERMODE_UP);
LL_TIM_SetClockDivision(TIM17, LL_TIM_CLOCKDIVISION_DIV1);
@@ -835,7 +842,7 @@ bool subghz_device_cc1101_ext_start_async_tx(SubGhzDeviceCC1101ExtCallback callb
subghz_device_cc1101_ext_async_tx_refill(
subghz_device_cc1101_ext->async_tx.buffer, SUBGHZ_DEVICE_CC1101_EXT_ASYNC_TX_BUFFER_FULL);
// Configure tx gpio dma
// Configure DMA to transfer data from gpio_tx_buff directly to gpio pin using BSSR
const GpioPin* gpio = subghz_device_cc1101_ext->g0_pin;
subghz_device_cc1101_ext->async_tx.gpio_tx_buff[0] = (uint32_t)gpio->pin << GPIO_NUMBER;
@@ -844,7 +851,7 @@ bool subghz_device_cc1101_ext_start_async_tx(SubGhzDeviceCC1101ExtCallback callb
LL_DMA_SetMemoryAddress(
SUBGHZ_DEVICE_CC1101_EXT_DMA_CH4_DEF,
(uint32_t)subghz_device_cc1101_ext->async_tx.gpio_tx_buff);
LL_DMA_SetPeriphAddress(SUBGHZ_DEVICE_CC1101_EXT_DMA_CH4_DEF, (uint32_t) & (gpio->port->BSRR));
LL_DMA_SetPeriphAddress(SUBGHZ_DEVICE_CC1101_EXT_DMA_CH4_DEF, (uint32_t)&(gpio->port->BSRR));
LL_DMA_ConfigTransfer(
SUBGHZ_DEVICE_CC1101_EXT_DMA_CH4_DEF,
LL_DMA_DIRECTION_MEMORY_TO_PERIPH | LL_DMA_MODE_CIRCULAR | LL_DMA_PERIPH_NOINCREMENT |
@@ -864,7 +871,7 @@ bool subghz_device_cc1101_ext_start_async_tx(SubGhzDeviceCC1101ExtCallback callb
SUBGHZ_DEVICE_CC1101_EXT_DMA_CH5_DEF,
(uint32_t)subghz_device_cc1101_ext->async_tx.debug_gpio_buff);
LL_DMA_SetPeriphAddress(
SUBGHZ_DEVICE_CC1101_EXT_DMA_CH5_DEF, (uint32_t) & (gpio->port->BSRR));
SUBGHZ_DEVICE_CC1101_EXT_DMA_CH5_DEF, (uint32_t)&(gpio->port->BSRR));
LL_DMA_ConfigTransfer(
SUBGHZ_DEVICE_CC1101_EXT_DMA_CH5_DEF,
LL_DMA_DIRECTION_MEMORY_TO_PERIPH | LL_DMA_MODE_CIRCULAR | LL_DMA_PERIPH_NOINCREMENT |