From 6b25e603e0f1d578283bbd1b23ec823f78b0774a Mon Sep 17 00:00:00 2001
From: "Ben V. Brown" <Ralim@Ralimtek.com>
Date: Sun, 30 Jan 2022 13:30:44 +1100
Subject: [PATCH] use IRQ mode

---
 source/Core/BSP/Miniware/I2C_Wrapper.cpp     | 4 ++--
 source/Core/BSP/Miniware/stm32f1xx_hal_msp.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/source/Core/BSP/Miniware/I2C_Wrapper.cpp b/source/Core/BSP/Miniware/I2C_Wrapper.cpp
index 888a3a09..47150ab5 100644
--- a/source/Core/BSP/Miniware/I2C_Wrapper.cpp
+++ b/source/Core/BSP/Miniware/I2C_Wrapper.cpp
@@ -56,7 +56,7 @@ bool FRToSI2C::Mem_Write(uint16_t DevAddress, uint16_t MemAddress, uint8_t *pDat
 bool FRToSI2C::Transmit(uint16_t DevAddress, uint8_t *pData, uint16_t Size) {
   if (!lock())
     return false;
-  if (HAL_I2C_Master_Transmit_DMA(&hi2c1, DevAddress, pData, Size) != HAL_OK) {
+  if (HAL_I2C_Master_Transmit_IT(&hi2c1, DevAddress, pData, Size) != HAL_OK) {
     I2C_Unstick();
     unlock();
     return false;
@@ -77,7 +77,7 @@ void FRToSI2C::I2C_Unstick() { unstick_I2C(); }
 
 void FRToSI2C::unlock() { xSemaphoreGive(I2CSemaphore); }
 
-bool FRToSI2C::lock() { return xSemaphoreTake(I2CSemaphore, (TickType_t)500) == pdTRUE; }
+bool FRToSI2C::lock() { return xSemaphoreTake(I2CSemaphore, (TickType_t)50) == pdTRUE; }
 
 bool FRToSI2C::writeRegistersBulk(const uint8_t address, const I2C_REG *registers, const uint8_t registersLength) {
   for (int index = 0; index < registersLength; index++) {
diff --git a/source/Core/BSP/Miniware/stm32f1xx_hal_msp.c b/source/Core/BSP/Miniware/stm32f1xx_hal_msp.c
index 5ee6dea0..37bd47c2 100644
--- a/source/Core/BSP/Miniware/stm32f1xx_hal_msp.c
+++ b/source/Core/BSP/Miniware/stm32f1xx_hal_msp.c
@@ -82,7 +82,7 @@ void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c) {
   GPIO_InitStruct.Pin   = SCL_Pin | SDA_Pin;
   GPIO_InitStruct.Mode  = GPIO_MODE_AF_OD;
   GPIO_InitStruct.Pull  = GPIO_PULLUP;
-  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
   /* Peripheral clock enable */