Start testing STM32U0 with test shield, make a few fixes

Author: multiplemonomials

targets/TARGET_STM/TARGET_STM32U0/stm_dma_info.h

@@ -26,10 +26,10 @@
 
 /// Mapping from SPI index to DMA link info for Tx
 static const DMALinkInfo SPITxDMALinks[] = {
-        {1, 0, DMA_REQUEST_SPI1_TX},
-        {1, 2, DMA_REQUEST_SPI2_TX},
+        {1, 2, DMA_REQUEST_SPI1_TX},
+        {1, 4, DMA_REQUEST_SPI2_TX},
 #if defined (SPI3)
-        {1, 4, DMA_REQUEST_SPI3_TX}
+        {1, 6, DMA_REQUEST_SPI3_TX}
 #endif
 };
 

targets/TARGET_STM/i2c_api.c

@@ -1120,11 +1120,11 @@ int i2c_byte_read(i2c_t *obj, int last)
     if (last) {
         /* Disable Address Acknowledge */
         tmpreg = tmpreg & (~I2C_CR2_RELOAD);
-        tmpreg |= I2C_CR2_NACK | (I2C_CR2_NBYTES & (1 << 16));
+        tmpreg |= I2C_CR2_NACK | (1 << I2C_CR2_NBYTES_Pos);
     } else {
         /* Enable reload mode as we don't know how many bytes will be sent */
         /* and set transfer size to 1 */
-        tmpreg |= I2C_CR2_RELOAD | (I2C_CR2_NBYTES & (1 << 16));
+        tmpreg |= I2C_CR2_RELOAD | (1 << I2C_CR2_NBYTES_Pos);
     }
 
     /* Set the prepared configuration */

targets/targets.json5

@@ -4803,10 +4803,6 @@ mode is recommended for target MCUs with small amounts of flash and RAM.",
             "TRNG",
             //"USBDEVICE" // TODO
         ],
-        "device_has_remove": [
-            "I2C",      // Not tested just prepared
-            "I2CSLAVE"  // Not tested just prepared
-        ],
         "is_mcu_family_target": true
     },
     "MCU_STM32U083xC": {