Marine Electricals
Library for the MAX7219 LED display driver
Fork of
MAX7219
by 
Maxim Integrated
Revision 6:7e3d1bcc15df, committed 2018-04-28
- Comitter:
- viewdeep51
- Date:
- Sat Apr 28 10:15:36 2018 +0000
- Parent:
- 5:0912d18d072f
- Commit message:
- final_code dated 28/04/18
Changed in this revision
| max7219.cpp | Show annotated file Show diff for this revision Revisions of this file |
| max7219.h | Show annotated file Show diff for this revision Revisions of this file |
diff -r 0912d18d072f -r 7e3d1bcc15df max7219.cpp
--- a/max7219.cpp Thu Sep 28 05:06:39 2017 +0000
+++ b/max7219.cpp Sat Apr 28 10:15:36 2018 +0000
@@ -301,18 +301,7 @@
//*********************************************************************
-void Max7219::enable_display(void)
-{
- uint8_t idx = 0;
-
- _p_cs->write(0);
- for(idx = 0; idx < _num_devices; idx++)
- {
- _p_spi->write(MAX7219_SHUTDOWN);
- _p_spi->write(1);
- }
- _p_cs->write(1);
-}
+
//*********************************************************************
@@ -355,22 +344,6 @@
}
-//*********************************************************************
-void Max7219::disable_display(void)
-{
- uint8_t idx = 0;
-
- _p_cs->write(0);
- for(idx = 0; idx < _num_devices; idx++)
- {
- _p_spi->write(MAX7219_SHUTDOWN);
- _p_spi->write(0);
- }
- _p_cs->write(1);
-}
-
-
-
//*********************************************************************
int32_t Max7219::write_digit(uint8_t device_number, uint8_t digit, uint8_t data)
{
@@ -470,97 +443,3 @@
return(rtn_val);
}
-
-//*********************************************************************
-int32_t Max7219::device_all_on(uint8_t device_number)
-{
- int32_t rtn_val = -1;
- uint8_t idx = 0;
-
- if(device_number > _num_devices)
- {
- rtn_val = -1;
- }
- else if(device_number == 0)
- {
- rtn_val = -2;
- }
- else
- {
- rtn_val = 0;
-
- //writes every digit of given device to 0xFF
- for(idx = 0; idx < 8; idx++)
- {
- if(rtn_val == 0)
- {
- rtn_val = write_digit(device_number, (idx + 1), 0xFF);
- }
- }
- }
-
- return(rtn_val);
-}
-
-
-//*********************************************************************
-int32_t Max7219::device_all_off(uint8_t device_number)
-{
- int32_t rtn_val = -1;
- uint8_t idx = 0;
-
- if(device_number > _num_devices)
- {
- rtn_val = -1;
- }
- else if(device_number == 0)
- {
- rtn_val = -2;
- }
- else
- {
- rtn_val = 0;
-
- //writes every digit of given device to 0
- for(idx = 0; idx < 8; idx++)
- {
- if(rtn_val == 0)
- {
- rtn_val = write_digit(device_number, (idx + 1), 0);
- }
- }
- }
-
- return(rtn_val);
-}
-
-
-void Max7219::display_all_on(void)
-{
- uint8_t idx, idy;
-
- //writes every digit of every device to 0xFF
- for(idx = 0; idx < _num_devices; idx++)
- {
- for(idy = 0; idy < MAX7219_DIGIT_7; idy++)
- {
- write_digit((idx + 1), (idy + 1), 0xFF);
- }
- }
-}
-
-
-void Max7219::display_all_off(void)
-{
- uint8_t idx, idy;
-
- //writes every digit of every device to 0
- for(idx = 0; idx < _num_devices; idx++)
- {
- for(idy = 0; idy < MAX7219_DIGIT_7; idy++)
- {
- write_digit((idx + 1), (idy + 1), 0);
- }
- }
-}
-
diff -r 0912d18d072f -r 7e3d1bcc15df max7219.h
--- a/max7219.h Thu Sep 28 05:06:39 2017 +0000
+++ b/max7219.h Sat Apr 28 10:15:36 2018 +0000
@@ -317,20 +317,6 @@
/**********************************************************//**
- * @brief Enables all device in display
- *
- * @details
- *
- * On Entry:
- *
- * On Exit:
- *
- * @return None
- **************************************************************/
- void enable_display(void);
-
-
- /**********************************************************//**
* @brief Disables specific device in display
*
* @details
@@ -346,19 +332,6 @@
int32_t disable_device(uint8_t device_number);
- /**********************************************************//**
- * @brief Disables all devices in display
- *
- * @details
- *
- * On Entry:
- *
- * On Exit:
- *
- * @return None
- **************************************************************/
- void disable_display(void);
-
/***********************************************************//**
* @brief set brightness of all devices in display
*
@@ -413,68 +386,6 @@
**************************************************************/
int32_t clear_digit(uint8_t device_number, uint8_t digit);
-
- /**********************************************************//**
- * @brief Turns on all segments/digits of given device
- *
- * @details
- *
- * On Entry:
- * @param[in] device_number - device to write too
- *
- * On Exit:
- *
- * @return Returns 0 on success\n
- * Returns -1 if device number is > _num_devices\n
- * Returns -2 if device number is 0\n
- **************************************************************/
- int32_t device_all_on(uint8_t device_number);
-
-
- /**********************************************************//**
- * @brief Turns off all segments/digits of given device
- *
- * @details
- *
- * On Entry:
- * @param[in] device_number - device to write too
- *
- * On Exit:
- *
- * @return Returns 0 on success\n
- * Returns -1 if device number is > _num_devices\n
- * Returns -2 if device number is 0\n
- **************************************************************/
- int32_t device_all_off(uint8_t device_number);
-
-
- /**********************************************************//**
- * @brief Turns on all segments/digits of display
- *
- * @details
- *
- * On Entry:
- *
- * On Exit:
- *
- * @return None
- **************************************************************/
- void display_all_on(void);
-
-
- /**********************************************************//**
- * @brief Turns off all segments/digits of display
- *
- * @details
- *
- * On Entry:
- *
- * On Exit:
- *
- * @return None
- **************************************************************/
- void display_all_off(void);
-
private: