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Status output !TX/RX on the GDO2 CC1101 pin #742

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merged 1 commit into from
Apr 5, 2024
Merged

Status output !TX/RX on the GDO2 CC1101 pin #742

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21 changes: 20 additions & 1 deletion applications/drivers/subghz/cc1101_ext/cc1101_ext.c
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Original file line number Diff line number Diff line change
Expand Up @@ -181,7 +181,15 @@ static bool subghz_device_cc1101_ext_check_init(void) {
}
furi_hal_gpio_init(
subghz_device_cc1101_ext->g0_pin, GpioModeAnalog, GpioPullNo, GpioSpeedLow);


// Reset GDO2 (!TX/RX) to floating state
cc1101_status = cc1101_write_reg(
subghz_device_cc1101_ext->spi_bus_handle, CC1101_IOCFG2, CC1101IocfgHighImpedance);
if(cc1101_status.CHIP_RDYn != 0) {
//timeout or error
break;
}

// Go to sleep
cc1101_status = cc1101_shutdown(subghz_device_cc1101_ext->spi_bus_handle);
if(cc1101_status.CHIP_RDYn != 0) {
Expand Down Expand Up @@ -410,6 +418,9 @@ void subghz_device_cc1101_ext_reset(void) {
// Warning: push pull cc1101 clock output on GD0
cc1101_write_reg(
subghz_device_cc1101_ext->spi_bus_handle, CC1101_IOCFG0, CC1101IocfgHighImpedance);
// Reset GDO2 (!TX/RX) to floating state
cc1101_write_reg(
subghz_device_cc1101_ext->spi_bus_handle, CC1101_IOCFG2, CC1101IocfgHighImpedance);
furi_hal_spi_release(subghz_device_cc1101_ext->spi_bus_handle);
}

Expand All @@ -419,6 +430,9 @@ void subghz_device_cc1101_ext_idle(void) {
//waiting for the chip to switch to IDLE mode
furi_check(cc1101_wait_status_state(
subghz_device_cc1101_ext->spi_bus_handle, CC1101StateIDLE, 10000));
// Reset GDO2 (!TX/RX) to floating state
cc1101_write_reg(
subghz_device_cc1101_ext->spi_bus_handle, CC1101_IOCFG2, CC1101IocfgHighImpedance);
furi_hal_spi_release(subghz_device_cc1101_ext->spi_bus_handle);
if(subghz_device_cc1101_ext->power_amp) {
furi_hal_gpio_write(SUBGHZ_DEVICE_CC1101_EXT_E07_AMP_GPIO, 0);
Expand All @@ -431,6 +445,9 @@ void subghz_device_cc1101_ext_rx(void) {
//waiting for the chip to switch to Rx mode
furi_check(
cc1101_wait_status_state(subghz_device_cc1101_ext->spi_bus_handle, CC1101StateRX, 10000));
// Go GDO2 (!TX/RX) to high (RX state)
cc1101_write_reg(
subghz_device_cc1101_ext->spi_bus_handle, CC1101_IOCFG2, CC1101IocfgHW | CC1101_IOCFG_INV);
furi_hal_spi_release(subghz_device_cc1101_ext->spi_bus_handle);
if(subghz_device_cc1101_ext->power_amp) {
furi_hal_gpio_write(SUBGHZ_DEVICE_CC1101_EXT_E07_AMP_GPIO, 0);
Expand All @@ -444,6 +461,8 @@ bool subghz_device_cc1101_ext_tx(void) {
//waiting for the chip to switch to Tx mode
furi_check(
cc1101_wait_status_state(subghz_device_cc1101_ext->spi_bus_handle, CC1101StateTX, 10000));
// Go GDO2 (!TX/RX) to low (TX state)
cc1101_write_reg(subghz_device_cc1101_ext->spi_bus_handle, CC1101_IOCFG2, CC1101IocfgHW);
furi_hal_spi_release(subghz_device_cc1101_ext->spi_bus_handle);
if(subghz_device_cc1101_ext->power_amp) {
furi_hal_gpio_write(SUBGHZ_DEVICE_CC1101_EXT_E07_AMP_GPIO, 1);
Expand Down