RIOT-OS/RIOT
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drivers/pcd8544: replace char by uint8_t for bytes

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This commit is contained in:
Frank Hessel 2019-04-25 23:42:30 +02:00
parent 0911ddfe07
commit 827868a7a0
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GPG Key ID: E4DB68890A128F7B
2 changed files with 6 additions and 6 deletions
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4
drivers/include/pcd8544.h
View File

@ -118,9 +118,9 @@ void pcd8544_set_bias(const pcd8544_t *dev, uint8_t bias);
* datasheet.
*
* @param[in] dev device descriptor of display to use
* @param[in] img char array with image data (must be of size := 504)
* @param[in] img uint8_t array with image data (must be of size := 504)
*/
void pcd8544_write_img(const pcd8544_t *dev, const char img[]);
void pcd8544_write_img(const pcd8544_t *dev, const uint8_t img[]);
/**
* @brief Write a single ASCII character to the display

8
drivers/pcd8544/pcd8544.c
View File

@ -133,7 +133,7 @@ static const uint8_t _ascii[][5] = {
{0x10, 0x08, 0x08, 0x10, 0x08},/* 7e ~ */
};
static const char _riot[] = {
static const uint8_t _riot[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@ -209,12 +209,12 @@ static inline void done(const pcd8544_t *dev)
spi_release(dev->spi);
}
static void _write(const pcd8544_t *dev, uint8_t is_data, char data)
static void _write(const pcd8544_t *dev, uint8_t is_data, uint8_t data)
{
/* set command or data mode */
gpio_write(dev->mode, is_data);
/* write byte to LCD */
spi_transfer_bytes(dev->spi, dev->cs, false, (uint8_t *)&data, NULL, 1);
spi_transfer_bytes(dev->spi, dev->cs, false, &data, NULL, 1);
}
static inline void _set_x(const pcd8544_t *dev, uint8_t x)
@ -307,7 +307,7 @@ void pcd8544_riot(const pcd8544_t *dev)
pcd8544_write_img(dev, _riot);
}
void pcd8544_write_img(const pcd8544_t *dev, const char img[])
void pcd8544_write_img(const pcd8544_t *dev, const uint8_t img[])
{
/* set initial position */
lock(dev);