====== 7-Segment Display - Segment Control Mode ======

Each segment of the display can be controlled independently. The segments are **"active-low"**, e.g. the segment is on if a logic "0" is written to it. \\ \\

> {{ctboard:ctboard_mode_1.svg?48px }} {{ctboard:ctboard_mode_2.svg?48px }} {{ctboard:ctboard_mode_3.svg?48px }} {{ctboard:ctboard_mode_4.svg?48px }} Please make sure the CT Board is in the correct mode.
> Supported [[ctboard:mode_switch|modes]]: **1**, **2**, **3**, **4** 
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===== Registers =====

The registers are read / write.

\\ {{ctboard_7seg_raw_reg.svg}} \\ \\

===== Diagram =====

\\ {{ctboard_7seg_raw.svg?700em}} \\ \\

===== Programming Example =====

The code snippet below shows how to use the 7-segment display in segment control mode.

<code c>
#include "reg_ctboard.h"

CT_SEG7->RAW.BYTE.DS0 = (uint8_t) data_byte;           /* Write byte of segment data to DS0. */
CT_SEG7->RAW.HWORD.DS3_2 = (uint16_t) data_halfword;   /* Write half word of segment data to DS3..2. */
CT_SEG7->RAW.WORD = (uint32_t) data_word;              /* Write word of segment data to all displays. */
</code>
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<code text>
.equ ADDR_SEG7_RAW,  0x60000110

        ldr     r0,  =ADDR_SEG7_RAW
        strb    r1,  [r0, #0]          // Write byte of segment data to DS0.
        strh    r1,  [r0, #2]          // Write half word of segment data to DS3..2.
        str     r1,  [r0, #0]          // Write word of segment data to all displays.
</code>
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