add hil host cdc test

2 files changed, 34 insertions, 6 deletions

diff --git a/hw/bsp/stm32h7/boards/stm32h743eval/board.h b/hw/bsp/stm32h7/boards/stm32h743eval/board.h
index d2f61a5ce..3914d7aac 100644
--- a/hw/bsp/stm32h7/boards/stm32h743eval/board.h
+++ b/hw/bsp/stm32h7/boards/stm32h743eval/board.h
@@ -205,13 +205,25 @@ static int32_t board_i2c_deinit(void) {
 }
 
 static int32_t i2c_readreg(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length) {
-  TU_ASSERT (HAL_OK == HAL_I2C_Mem_Read(&i2c_handle, DevAddr, Reg, I2C_MEMADD_SIZE_8BIT, pData, Length, 10000));
-  return 0;
+  for (int retry = 0; retry < 3; retry++) {
+    if (HAL_OK == HAL_I2C_Mem_Read(&i2c_handle, DevAddr, Reg, I2C_MEMADD_SIZE_8BIT, pData, Length, 10000)) {
+      return 0;
+    }
+    HAL_Delay(10);
+  }
+  TU_ASSERT(0);
+  return -1;
 }
 
 static int32_t i2c_writereg(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length) {
-  TU_ASSERT(HAL_OK == HAL_I2C_Mem_Write(&i2c_handle, DevAddr, Reg, I2C_MEMADD_SIZE_8BIT, pData, Length, 10000));
-  return 0;
+  for (int retry = 0; retry < 3; retry++) {
+    if (HAL_OK == HAL_I2C_Mem_Write(&i2c_handle, DevAddr, Reg, I2C_MEMADD_SIZE_8BIT, pData, Length, 10000)) {
+      return 0;
+    }
+    HAL_Delay(10);
+  }
+  TU_ASSERT(0);
+  return -1;
 }
 
 static int32_t i2c_get_tick(void) {
diff --git a/hw/bsp/stm32h7/family.c b/hw/bsp/stm32h7/family.c
index c94c2e755..a95674217 100644
--- a/hw/bsp/stm32h7/family.c
+++ b/hw/bsp/stm32h7/family.c
@@ -275,9 +275,25 @@ size_t board_get_unique_id(uint8_t id[], size_t max_len) {
 }
 
 int board_uart_read(uint8_t *buf, int len) {
-  (void) buf;
-  (void) len;
+#ifdef UART_DEV
+  int count = 0;
+  // clear overrun error if any
+  if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_ORE)) {
+    __HAL_UART_CLEAR_FLAG(&UartHandle, UART_CLEAR_OREF);
+  }
+  for (int i = 0; i < len; i++) {
+    if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE)) {
+      buf[i] = (uint8_t) UartHandle.Instance->RDR;
+      count++;
+    } else {
+      break;
+    }
+  }
+  return count;
+#else
+  (void) buf; (void) len;
   return 0;
+#endif
 }
 
 int board_uart_write(void const *buf, int len) {