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Merge commit '484ea661f1032276bf937ceb83fa2311c41ba9f4' into mntm-dev

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This commit is contained in:
WillyJL
2026-02-28 19:35:19 +01:00
parent c176524fca 484ea661f1
commit 6dc6fcbaab
78 changed files with 1151 additions and 181 deletions
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11
applications/drivers/subghz/cc1101_ext/cc1101_ext.c
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@@ -826,12 +826,17 @@ 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));
@@ -853,7 +858,7 @@ 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);
@@ -867,7 +872,7 @@ 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;