lsm303agr: added const to stmdev_write_ptr #121

Author: albezanc

lsm303agr_STdC/driver

@@ -152,8 +152,7 @@ static uint8_t tx_buffer[TX_BUF_DIM];
  *   and are strictly related to the hardware platform used.
  *
  */
-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);
@@ -286,8 +285,7 @@ void lsm303agr_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)
 {
   sensbus_t *sensbus = (sensbus_t *)handle;
@@ -299,7 +297,7 @@ static int32_t platform_write(void *handle, uint8_t reg,
   }
 
   HAL_I2C_Mem_Write(sensbus->hbus, sensbus->i2c_address, reg,
-                    I2C_MEMADD_SIZE_8BIT, bufp, len, 1000);
+                    I2C_MEMADD_SIZE_8BIT, (uint8_t*) bufp, len, 1000);
 #elif defined(STEVAL_MKI109V3)
 
   if (sensbus->cs_pin == CS_up_Pin) {
@@ -309,7 +307,7 @@ static int32_t platform_write(void *handle, uint8_t reg,
 
   HAL_GPIO_WritePin(sensbus->cs_port, sensbus->cs_pin, GPIO_PIN_RESET);
   HAL_SPI_Transmit(sensbus->hbus, &reg, 1, 1000);
-  HAL_SPI_Transmit(sensbus->hbus, bufp, len, 1000);
+  HAL_SPI_Transmit(sensbus->hbus, (uint8_t*) bufp, len, 1000);
   HAL_GPIO_WritePin(sensbus->cs_port, sensbus->cs_pin, GPIO_PIN_SET);
 #elif defined(SPC584B_DIS)
 
@@ -318,8 +316,8 @@ static int32_t platform_write(void *handle, uint8_t reg,
     reg |= 0x80;
   }
 
-  i2c_lld_write(sensbus->hbus, sensbus->i2c_address & 0xFE, reg, bufp,
-                len);
+  i2c_lld_write(sensbus->hbus, sensbus->i2c_address & 0xFE, reg,
+               (uint8_t*) bufp, len);
 #endif
   return 0;
 }

lsm303agr_STdC/examples/lsm303agr_read_data_polling.c

@@ -150,8 +150,7 @@ static sensbus_t mag_bus = {&SENSOR_BUS,
  *   and are strictly related to the hardware platform used.
  *
  */
-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);
@@ -417,8 +416,7 @@ void lsm303agr_self_test(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)
 {
   sensbus_t *sensbus = (sensbus_t *)handle;
@@ -430,7 +428,7 @@ static int32_t platform_write(void *handle, uint8_t reg,
   }
 
   HAL_I2C_Mem_Write(sensbus->hbus, sensbus->i2c_address, reg,
-                    I2C_MEMADD_SIZE_8BIT, bufp, len, 1000);
+                    I2C_MEMADD_SIZE_8BIT, (uint8_t*) bufp, len, 1000);
 #elif defined(STEVAL_MKI109V3)
 
   if (sensbus->cs_pin == CS_up_Pin) {
@@ -440,7 +438,7 @@ static int32_t platform_write(void *handle, uint8_t reg,
 
   HAL_GPIO_WritePin(sensbus->cs_port, sensbus->cs_pin, GPIO_PIN_RESET);
   HAL_SPI_Transmit(sensbus->hbus, &reg, 1, 1000);
-  HAL_SPI_Transmit(sensbus->hbus, bufp, len, 1000);
+  HAL_SPI_Transmit(sensbus->hbus, (uint8_t*) bufp, len, 1000);
   HAL_GPIO_WritePin(sensbus->cs_port, sensbus->cs_pin, GPIO_PIN_SET);
 #elif defined(SPC584B_DIS)
 
@@ -449,8 +447,8 @@ static int32_t platform_write(void *handle, uint8_t reg,
     reg |= 0x80;
   }
 
-  i2c_lld_write(sensbus->hbus, sensbus->i2c_address & 0xFE, reg, bufp,
-                len);
+  i2c_lld_write(sensbus->hbus, sensbus->i2c_address & 0xFE, reg,
+               (uint8_t*) bufp, len);
 #endif
   return 0;
 }