lps27hhw: added const to stmdev_write_ptr #121

Author: albezanc

lps27hhw_STdC/driver

@@ -53,7 +53,7 @@
  */
 
 //#define STEVAL_MKI109V3  /* little endian */
-#define NUCLEO_F411RE    /* little endian */
+//#define NUCLEO_F411RE    /* little endian */
 //#define SPC584B_DIS      /* big endian */
 
 /* ATTENTION: By default the driver is little endian. If you need switch
@@ -93,6 +93,7 @@
 #include "usbd_cdc_if.h"
 #include "gpio.h"
 #include "spi.h"
+#include "tim.h"
 
 #elif defined(SPC584B_DIS)
 #include "components.h"
@@ -122,8 +123,7 @@ static uint8_t tx_buffer[TX_BUF_DIM];
  *
  */
 
-static int32_t platform_write(void *handle, uint8_t reg,
-                              uint8_t *bufp,
+static int32_t platform_write(void *handle, uint8_t reg, const uint8_t *bufp,
                               uint16_t len);
 static int32_t platform_read(void *handle, uint8_t reg, uint8_t *bufp,
                              uint16_t len);
@@ -199,20 +199,19 @@ void lps27hhw_read_data_polling(void)
  * @param  len       number of consecutive register to write
  *
  */
-static int32_t platform_write(void *handle, uint8_t reg,
-                              uint8_t *bufp,
+static int32_t platform_write(void *handle, uint8_t reg, const uint8_t *bufp,
                               uint16_t len)
 {
 #if defined(NUCLEO_F411RE)
   HAL_I2C_Mem_Write(handle, LPS27HHW_I2C_ADD_H, reg,
-                    I2C_MEMADD_SIZE_8BIT, bufp, len, 1000);
+                    I2C_MEMADD_SIZE_8BIT, (uint8_t*) bufp, len, 1000);
 #elif defined(STEVAL_MKI109V3)
   HAL_GPIO_WritePin(CS_up_GPIO_Port, CS_up_Pin, GPIO_PIN_RESET);
   HAL_SPI_Transmit(handle, &reg, 1, 1000);
-  HAL_SPI_Transmit(handle, bufp, len, 1000);
+  HAL_SPI_Transmit(handle, (uint8_t*) bufp, len, 1000);
   HAL_GPIO_WritePin(CS_up_GPIO_Port, CS_up_Pin, GPIO_PIN_SET);
 #elif defined(SPC584B_DIS)
-  i2c_lld_write(handle,  LPS27HHW_I2C_ADD_H & 0xFE, reg, bufp, len);
+  i2c_lld_write(handle,  LPS27HHW_I2C_ADD_H & 0xFE, reg, (uint8_t*) bufp, len);
 #endif
   return 0;
 }