parent bfa4f12

author Charles <[email protected]> 1637881721 +0100
committer Charles <[email protected]> 1638183821 +0100

parent bfa4f12
author Charles <[email protected]> 1637881721 +0100
committer Charles <[email protected]> 1638183722 +0100

Fixe Low Power high consumption
Check TCXO available
added TCXO startup delay

STM32L1: add support of MCU_STM32L151xB

for custom boards like RAK811

Allow STM32F7 targets without Ethernet

Support different STM32F7 flash configurations

Support missing SPI6 on STM32F7

Add STM32F722ZE target

DTLSSocket handshake timeout calls object functions even if object is destructed. Fixed by removing timeout event from event queue on close/destruction.

B_U585I_IOT02A supports OSPI

M2354: Fix potential issues in TF-M

Fix the following issues in TF-M to avoid emergence in the future:
1.  Enable initial stack not located in SRAM bank0
    On reset, only SRAM bank0 is enabled. And SRAM bank1/2 will be enabled in immediately following SystemInit().
    When initial stack is located in SRAM bank1/2, we will meet trouble because SystemInit() itself needs to use initial stack.
    To conquer the dilemma, we add preceding code in front of original Systeminit(), which is responsible for enabling SRAM bank1/2 and guarantees no using initial stack.
2.  Fix sector maps of internal/external (SDH) Flash are incompatible, caused by TF-M's MCUboot port.
    This is done by adapting external (SDH) Flash sector size to internal Flash's.
3.  Enlarge firmware upgrade scratch size. There are two advantages:
    (1) Get around MCUboot limit which requires scratch size not smaller than image trailer size
    (2) Improve wear leveling for the scratch area

Update Mbed version block

Fixe Low Power high consumption

Fix CI

added TCXO startup delay

Author: hallard

connectivity/drivers/lora/COMPONENT_SX1276/SX1276_LoRaRadio.cpp

@@ -35,7 +35,8 @@ SPDX-License-Identifier: BSD-3-Clause
 #include "sx1276Regs-LoRa.h"
 
 #include <math.h> //rint
-
+#include <chrono>
+using namespace std::chrono_literals;
 using namespace rtos;
 using namespace mbed;
 
@@ -210,6 +211,8 @@ SX1276_LoRaRadio::SX1276_LoRaRadio(PinName spi_mosi,
 
     if (tcxo != NC) {
         _tcxo = 1;
+        // TCXO startup time
+        ThisThread::sleep_for(60ms);
     }
 
 #ifdef MBED_CONF_RTOS_PRESENT
@@ -288,9 +291,9 @@ void SX1276_LoRaRadio::radio_reset()
 {
     _reset_ctl.output();
     _reset_ctl = 0;
-    ThisThread::sleep_for(2);
+    ThisThread::sleep_for(2ms);
     _reset_ctl.input();
-    ThisThread::sleep_for(6);
+    ThisThread::sleep_for(6ms);
 }
 
 /**
@@ -357,7 +360,7 @@ uint32_t SX1276_LoRaRadio::random(void)
     set_operation_mode(RF_OPMODE_RECEIVER);
 
     for (i = 0; i < 32; i++) {
-        ThisThread::sleep_for(1);
+        ThisThread::sleep_for(1ms);
         // Unfiltered RSSI value reading. Only takes the LSB value
         rnd |= ((uint32_t) read_register(REG_LR_RSSIWIDEBAND) & 0x01) << i;
     }
@@ -805,7 +808,7 @@ void SX1276_LoRaRadio::send(uint8_t *buffer, uint8_t size)
             // FIFO operations can not take place in Sleep mode
             if ((read_register(REG_OPMODE) & ~RF_OPMODE_MASK) == RF_OPMODE_SLEEP) {
                 standby();
-                ThisThread::sleep_for(1);
+                ThisThread::sleep_for(1ms);
             }
             // write_to_register payload buffer
             write_fifo(buffer, size);
@@ -1025,7 +1028,7 @@ bool SX1276_LoRaRadio::perform_carrier_sense(radio_modems_t modem,
     set_operation_mode(RF_OPMODE_RECEIVER);
 
     // hold on a bit, radio turn-around time
-    ThisThread::sleep_for(1);
+    ThisThread::sleep_for(1ms);
 
     Timer elapsed_time;
     elapsed_time.start();
@@ -1263,13 +1266,27 @@ void SX1276_LoRaRadio::read_fifo(uint8_t *buffer, uint8_t size)
 void SX1276_LoRaRadio::set_operation_mode(uint8_t mode)
 {
     if (mode == RF_OPMODE_SLEEP) {
+        write_to_register(REG_OPMODE, (read_register(REG_OPMODE) & RF_OPMODE_MASK) | mode);
         set_low_power_mode();
+        /* FIXME taken from set_modem, it reduces the power consumption
+         *from 300µA to 1.5µA */
+        write_to_register(REG_DIOMAPPING1, 0x00); // sets DIO0-DI03 in default mode
+        write_to_register(REG_DIOMAPPING2, 0x30); // bits 4-5 are turned on i.e.,
+        if (_rf_ctrls.tcxo != NC) {
+            ThisThread::sleep_for(10ms);
+            _tcxo = 0;
+        }
     } else {
+        if (_rf_ctrls.tcxo != NC) {
+            _tcxo = 1;
+            // TCXO startup time
+            ThisThread::sleep_for(60ms);
+        }
         set_low_power_mode();
+        write_to_register(REG_OPMODE, (read_register(REG_OPMODE) & RF_OPMODE_MASK) | mode);
         set_antenna_switch(mode);
     }
 
-    write_to_register(REG_OPMODE, (read_register(REG_OPMODE) & RF_OPMODE_MASK) | mode);
 }
 
 /**
@@ -1327,14 +1344,14 @@ void SX1276_LoRaRadio::set_sx1276_variant_type()
 {
     if (_rf_ctrls.ant_switch != NC) {
         _ant_switch.input();
-        ThisThread::sleep_for(1);
+        ThisThread::sleep_for(1ms);
         if (_ant_switch == 1) {
             radio_variant = SX1276MB1LAS;
         } else {
             radio_variant = SX1276MB1MAS;
         }
         _ant_switch.output();
-        ThisThread::sleep_for(1);
+        ThisThread::sleep_for(1ms);
     } else {
         radio_variant = MBED_CONF_SX1276_LORA_DRIVER_RADIO_VARIANT;
     }