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add tx power get/set

This commit is contained in:
Jeff Epler 2022-09-29 09:09:14 -05:00
parent 71a00157ba
commit 56f9f0d136
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GPG Key ID: D5BF15AB975AB4DE
1 changed files with 21 additions and 3 deletions
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24
ports/raspberrypi/common-hal/wifi/Radio.c
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@ -59,6 +59,17 @@
#define NETIF_STA (&cyw43_state.netif[CYW43_ITF_STA]) #define NETIF_STA (&cyw43_state.netif[CYW43_ITF_STA])
#define NETIF_AP (&cyw43_state.netif[CYW43_ITF_AP]) #define NETIF_AP (&cyw43_state.netif[CYW43_ITF_AP])
static inline uint32_t nw_get_le32(const uint8_t *buf) {
return buf[0] | buf[1] << 8 | buf[2] << 16 | buf[3] << 24;
}
static inline void nw_put_le32(uint8_t *buf, uint32_t x) {
buf[0] = x;
buf[1] = x >> 8;
buf[2] = x >> 16;
buf[3] = x >> 24;
}
NORETURN static void ro_attribute(int attr) { NORETURN static void ro_attribute(int attr) {
mp_raise_msg_varg(&mp_type_AttributeError, MP_ERROR_TEXT("'%s' object has no attribute '%q'"), "Radio", attr); mp_raise_msg_varg(&mp_type_AttributeError, MP_ERROR_TEXT("'%s' object has no attribute '%q'"), "Radio", attr);
} }
@ -96,12 +107,19 @@ void common_hal_wifi_radio_set_mac_address(wifi_radio_obj_t *self, const uint8_t
} }
mp_float_t common_hal_wifi_radio_get_tx_power(wifi_radio_obj_t *self) { mp_float_t common_hal_wifi_radio_get_tx_power(wifi_radio_obj_t *self) {
return MICROPY_FLOAT_CONST(0.); uint8_t buf[13];
memcpy(buf, "qtxpower\x00\x00\x00\x00\x00", 13);
cyw43_ioctl(&cyw43_state, CYW43_IOCTL_GET_VAR, 13, buf, CYW43_ITF_STA);
return nw_get_le32(buf) * MICROPY_FLOAT_CONST(0.25);
} }
void common_hal_wifi_radio_set_tx_power(wifi_radio_obj_t *self, const mp_float_t tx_power) { void common_hal_wifi_radio_set_tx_power(wifi_radio_obj_t *self, const mp_float_t tx_power) {
ro_attribute(MP_QSTR_tx_power); mp_int_t dbm_times_four = (int)(4 * tx_power);
uint8_t buf[9 + 4];
memcpy(buf, "qtxpower\x00", 9);
nw_put_le32(buf + 9, dbm_times_four);
cyw43_ioctl(&cyw43_state, CYW43_IOCTL_SET_VAR, 9 + 4, buf, CYW43_ITF_STA);
cyw43_ioctl(&cyw43_state, CYW43_IOCTL_SET_VAR, 9 + 4, buf, CYW43_ITF_AP);
} }
mp_obj_t common_hal_wifi_radio_get_mac_address_ap(wifi_radio_obj_t *self) { mp_obj_t common_hal_wifi_radio_get_mac_address_ap(wifi_radio_obj_t *self) {