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New config option: TTN_RADIO_RST_KEEP_ASSERTED

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This commit is contained in:
cc32d9 2020-05-25 23:00:00 +02:00
parent e29477fa7e
commit 45778d2186
2 changed files with 15 additions and 1 deletions
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7
Kconfig
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@ -55,6 +55,13 @@ config TTN_SPI_FREQ
help help
SPI frequency to communicate between ESP32 and SX127x radio chip SPI frequency to communicate between ESP32 and SX127x radio chip
config TTN_RADIO_RST_KEEP_ASSERTED
bool "Keep RST pin asserted instead of floating"
default n
help
Some hardware needs RST pin to be always high for LoRa chip to function
config TTN_BG_TASK_PRIO config TTN_BG_TASK_PRIO
int "Background task priority" int "Background task priority"
default 10 default 10

9
src/hal/hal_esp32.cpp
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@ -128,9 +128,16 @@ void hal_pin_rst(u1_t val)
gpio_set_direction(ttn_hal.pinRst, GPIO_MODE_OUTPUT); gpio_set_direction(ttn_hal.pinRst, GPIO_MODE_OUTPUT);
} }
else else
{ // keep pin floating {
#ifdef CONFIG_TTN_RADIO_RST_KEEP_ASSERTED
// drive up the pin because the hardware is nonstandard
gpio_set_level(ttn_hal.pinRst, 1);
gpio_set_direction(ttn_hal.pinRst, GPIO_MODE_OUTPUT);
#else
// keep pin floating
gpio_set_level(ttn_hal.pinRst, val); gpio_set_level(ttn_hal.pinRst, val);
gpio_set_direction(ttn_hal.pinRst, GPIO_MODE_INPUT); gpio_set_direction(ttn_hal.pinRst, GPIO_MODE_INPUT);
#endif
} }
} }