Revision 0:2c5311a4f6fa, committed 2016-10-01

Comitter:

wim

Date:

Sat Oct 01 15:09:51 2016 +0000

Child:

1:7a845a89625f

Commit message:

ST316LED driver lib; First Release

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Font_7Seg.cpp	Sat Oct 01 15:09:51 2016 +0000
@@ -0,0 +1,153 @@
+/* mbed LED Font Library, for STM STLED316S controller
+ * Copyright (c) 2016, v01: WH, Initial version
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "Font_7Seg.h"
+
+// ASCII Font definition table for transmission to STLED316S
+//
+//#define FONT_7S_START     0x20
+//#define FONT_7S_END       0x7F
+//#define FONT_7S_NR_CHARS (FONT_7_END - FONT_7S_START + 1)
+
+
+#if (SHOW_ASCII == 1)
+//display all ASCII characters
+const char FONT_7S[]  = { 
+                             C7_SPC, //32 0x20, Space
+                             C7_EXC,
+                             C7_QTE,
+                             C7_HSH,
+                             C7_DLR,
+                             C7_PCT,
+                             C7_AMP,
+                             C7_ACC,
+                             C7_LBR,
+                             C7_RBR,                   
+                             C7_MLT,                            
+                             C7_PLS,
+                             C7_CMA,
+                             C7_MIN,
+                             C7_DPT,                             
+                             C7_RS,
+                             C7_0,   //48 0x30
+                             C7_1,
+                             C7_2,
+                             C7_3,
+                             C7_4,                   
+                             C7_5,
+                             C7_6,
+                             C7_7,
+                             C7_8,
+                             C7_9,
+                             C7_COL, //58 0x3A
+                             C7_SCL,
+                             C7_LT,
+                             C7_EQ,
+                             C7_GT,
+                             C7_QM,                             
+                             C7_AT,  //64 0x40
+                             C7_A,   //65 0x41, A
+                             C7_B,
+                             C7_C,
+                             C7_D,
+                             C7_E,
+                             C7_F,
+                             C7_G,
+                             C7_H,
+                             C7_I,
+                             C7_J,                   
+                             C7_K,
+                             C7_L,
+                             C7_M,
+                             C7_N,
+                             C7_O,
+                             C7_P,
+                             C7_Q,
+                             C7_R,
+                             C7_S,
+                             C7_T,
+                             C7_U,
+                             C7_V,
+                             C7_W,
+                             C7_X,
+                             C7_Y,
+                             C7_Z,   //90 0x5A, Z
+                             C7_SBL, //91 0x5B
+                             C7_LS,
+                             C7_SBR,
+                             C7_PWR,
+                             C7_UDS,  
+                             C7_ACC,                             
+                             C7_A,   //97 0x61, A replacing a
+                             C7_B,
+                             C7_C,
+                             C7_D,
+                             C7_E,
+                             C7_F,
+                             C7_G,
+                             C7_H,
+                             C7_I,
+                             C7_J,                   
+                             C7_K,
+                             C7_L,
+                             C7_M,
+                             C7_N,
+                             C7_O,
+                             C7_P,
+                             C7_Q,
+                             C7_R,
+                             C7_S,
+                             C7_T,
+                             C7_U,
+                             C7_V,
+                             C7_W,
+                             C7_X,
+                             C7_Y,
+                             C7_Z,   // 122 0x7A, Z replacing z
+                             C7_CBL, // 123 0x7B
+                             C7_OR,
+                             C7_CBR,
+                             C7_TLD,
+                             C7_DEL  // 127                             
+                        };
+ 
+#else
+//display only digits and hex characters
+const short FONT_7S[] = { 
+                           C7_0, //48 0x30
+                           C7_1,
+                           C7_2,
+                           C7_3,
+                           C7_4,                   
+                           C7_5,
+                           C7_6,
+                           C7_7,
+                           C7_8,
+                           C7_9,
+                           C7_A, //65 0x41, A
+                           C7_B,
+                           C7_C,
+                           C7_D,
+                           C7_E,
+                           C7_F
+                        };// 127
+#endif
+ 
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Font_7Seg.h	Sat Oct 01 15:09:51 2016 +0000
@@ -0,0 +1,193 @@
+/* mbed LED Font Library, for STM STLED316S controller
+ * Copyright (c) 2016, v01: WH, Initial version
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef MBED_FONT_7SEG_H
+#define MBED_FONT_7SEG_H
+
+// Select one of the testboards for STLED316S controller
+#include "STLED316S_Config.h"
+
+#if ((STLED316S_TEST == 1) || (ST316BOARD_TEST == 1))
+// Segment bit positions for 7 Segment display using the test display mapping for STLED316S
+// Modify this table for different 'bit-to-segment' mappings. The ASCII character defines and the FONT_7S const table below 
+// will be adapted automatically according to the bit-to-segment mapping. Obviously this will only work when the segment
+// mapping is identical for every digit position. This will be the case unless the hardware designer really hates software developers.
+//
+//            A
+//          -----
+//         |     |     
+//       F |     | B    
+//         |  G  |     
+//          -----
+//         |     |     
+//       E |     | C    
+//         |     |     
+//          -----   * DP
+//            D  
+//
+#define S7_A    0x01 
+#define S7_B    0x02
+#define S7_C    0x04
+#define S7_D    0x08 
+#define S7_E    0x10
+#define S7_F    0x20
+#define S7_G    0x40
+#define S7_DP   0x80
+
+//Mask for blending out and setting 7 segments digits
+#define MASK_7S_ALL = (S7_A | S7_B | S7_C | S7_D | S7_E | S7_F | S7_G}
+#endif
+
+
+// ASCII Font definitions for segments in each character
+//
+//32 0x20  Symbols
+#define C7_SPC  (0x0000)
+#define C7_EXC  (S7_B | S7_C) //!
+#define C7_QTE  (S7_B | S7_F) //"
+#define C7_HSH  (S7_C | S7_D | S7_E | S7_G) //#
+#define C7_DLR  (S7_A | S7_C | S7_D | S7_F | S7_G) //$
+#define C7_PCT  (S7_C | S7_F) //%
+#define C7_AMP  (S7_A | S7_C | S7_D | S7_E | S7_F | S7_G) //&
+#define C7_ACC  (S7_B) //'
+#define C7_LBR  (S7_A | S7_D | S7_E | S7_F) //(
+#define C7_RBR  (S7_A | S7_B | S7_C | S7_D) //)
+#define C7_MLT  (S7_B | S7_C | S7_E | S7_F | S7_G)  //*
+#define C7_PLS  (S7_B | S7_C | S7_G) //+
+#define C7_CMA  (S7_DP)
+#define C7_MIN  (S7_G)
+#define C7_DPT  (S7_DP)
+#define C7_RS   (S7_B | S7_E  | S7_G)  // /
+
+//48 0x30  Digits
+#define C7_0    (S7_A | S7_B | S7_C | S7_D | S7_E | S7_F)
+#define C7_1    (S7_B | S7_C)
+#define C7_2    (S7_A | S7_B | S7_D | S7_E | S7_G)
+#define C7_3    (S7_A | S7_B | S7_C | S7_D | S7_G)
+#define C7_4    (S7_B | S7_C | S7_F | S7_G)
+#define C7_5    (S7_A | S7_C | S7_D | S7_F | S7_G)
+#define C7_6    (S7_A | S7_C | S7_D | S7_E | S7_F | S7_G)
+#define C7_7    (S7_A | S7_B | S7_C)
+#define C7_8    (S7_A | S7_B | S7_C | S7_D | S7_E | S7_F | S7_G)
+#define C7_9    (S7_A | S7_B | S7_C | S7_D | S7_F | S7_G)
+
+//58 0x3A
+#define C7_COL  (S7_D | S7_G) // :
+#define C7_SCL  (S7_D | S7_G) // ;
+#define C7_LT   (S7_D | S7_E | S7_G)             // <
+#define C7_EQ   (S7_D | S7_G)                    // =
+#define C7_GT   (S7_C | S7_D | S7_G)             // >   
+#define C7_QM   (S7_A | S7_B | S7_E | S7_G)      // ?
+#define C7_AT   (S7_A | S7_B | S7_C | S7_D | S7_E  | S7_G)  // @
+
+//65 0x41  Upper case alphabet
+#define C7_A    (S7_A | S7_B | S7_C | S7_E | S7_F | S7_G )
+#define C7_B    (S7_C | S7_D | S7_E | S7_F | S7_G)
+#define C7_C    (S7_A | S7_D | S7_E | S7_F)
+#define C7_D    (S7_B | S7_C | S7_D | S7_E | S7_G)
+#define C7_E    (S7_A | S7_D | S7_E | S7_F | S7_G)
+#define C7_F    (S7_A | S7_E | S7_F | S7_G)
+
+#define C7_G    (S7_A | S7_C | S7_D | S7_E | S7_F)
+#define C7_H    (S7_B | S7_C | S7_E | S7_F | S7_G)
+#define C7_I    (S7_B | S7_C)
+#define C7_J    (S7_B | S7_C | S7_D | S7_E)
+#define C7_K    (S7_B | S7_C | S7_E | S7_F | S7_G)
+#define C7_L    (S7_D | S7_E | S7_F)
+#define C7_M    (S7_A | S7_C | S7_E)
+#define C7_N    (S7_A | S7_B | S7_C | S7_E | S7_F)
+#define C7_O    (S7_A | S7_B | S7_C | S7_D | S7_E | S7_F)
+#define C7_P    (S7_A | S7_B | S7_E | S7_F | S7_G)
+#define C7_Q    (S7_A | S7_B | S7_C | S7_F | S7_G)
+#define C7_R    (S7_E | S7_G )
+#define C7_S    (S7_A | S7_C | S7_D | S7_F | S7_G)
+#define C7_T    (S7_D | S7_E | S7_F | S7_G)
+#define C7_U    (S7_B | S7_C | S7_D | S7_E | S7_F)
+#define C7_V    (S7_B | S7_C | S7_D | S7_E | S7_F)
+#define C7_W    (S7_B | S7_D | S7_F)
+#define C7_X    (S7_B | S7_C | S7_E | S7_F | S7_G)
+#define C7_Y    (S7_B | S7_C | S7_D | S7_F | S7_G)
+#define C7_Z    (S7_A | S7_B | S7_D | S7_E | S7_G)
+
+//91 0x5B
+#define C7_SBL  (S7_A | S7_D | S7_E | S7_F) // [
+#define C7_LS   (S7_C | S7_F | S7_G)        // left slash
+#define C7_SBR  (S7_A | S7_B | S7_C | S7_D) // ]
+#define C7_PWR  (S7_A | S7_B | S7_F)        // ^
+#define C7_UDS  (S7_D)                      // _
+#define C7_DSH  (S7_F)                      // `  
+
+//97 0x61  Lower case alphabet
+#define C7_a     C7_A
+#define C7_b     C7_B
+#define C7_c     C7_C
+#define C7_d     C7_D
+#define C7_e     C7_E
+#define C7_f     C7_H
+
+#define C7_g     C7_G
+#define C7_h     C7_H
+#define C7_i     C7_I
+#define C7_j     C7_J
+#define C7_k     C7_K
+#define C7_l     C7_L
+#define C7_m     C7_M
+//#define C7_n     C7_N
+#define C7_n    (S7_C | S7_E | S7_G)
+//#define C7_o     C7_O
+#define C7_o    (S7_C | S7_D | S7_E | S7_G)
+#define C7_p     C7_P
+#define C7_q     C7_Q
+//#define C7_r     C7_R
+#define C7_r    (S7_E | S7_G)
+#define C7_s     C7_S
+#define C7_t     C7_T
+#define C7_u     C7_U
+#define C7_v     C7_V
+#define C7_w     C7_W
+#define C7_x     C7_X
+#define C7_y     C7_Y
+#define C7_z     C7_Z
+
+//123 0x7B
+#define C7_CBL  (S7_A | S7_D | S7_E | S7_F)        // {
+#define C7_OR   (S7_B | S7_C)                      // |
+#define C7_CBR  (S7_A | S7_B | S7_C | S7_D)        // }
+#define C7_TLD  (S7_B | S7_E | S7_G )              // ~
+#define C7_DEL  (0x0000)
+
+
+//User Defined Characters (some examples)
+#define C7_DGR   (S7_A | S7_B | S7_F | S7_G)  //Degrees
+                                                                         
+// Font data selection for transmission to TM1637 memory
+#define LO(x)  ( x & 0xFF)
+#define HI(x)  ((x >> 8) & 0xFF)
+
+
+// ASCII Font definition table
+//
+#define FONT_7S_START     0x20
+#define FONT_7S_END       0x7F
+//#define FONT_7S_NR_CHARS (FONT_7S_END - FONT_7S_START + 1)
+extern const char FONT_7S[]; 
+
+#endif 
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/STLED316S.cpp	Sat Oct 01 15:09:51 2016 +0000
@@ -0,0 +1,666 @@
+/* mbed STLED316S Library, for STLED316S LED controller
+ * Copyright (c) 2016, v01: WH, Initial version
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "mbed.h" 
+#include "STLED316S.h"
+#include "Font_7Seg.h"
+
+/** Constructor for class for driving STLED316S LED controller with SPI bus interface device. 
+ *  @brief Supports 1..6 digits @ 8 segments and 8 LEDs. 
+ *         Also supports a scanned keyboard of upto 16 keys.
+ *   
+ *  @param  PinName mosi, miso, sclk, cs SPI bus pins
+ *  @param  Mode selects 1..6 Digits of 8 Segments (default 6 Digits of 8 Segments) 
+*/
+STLED316S::STLED316S(PinName mosi, PinName miso, PinName sclk, PinName cs, Mode mode) : _spi(mosi,miso,sclk), _cs(cs), _mode(mode) {
+
+  _init();
+}
+
+/** Init the SPI interface and the controller
+  * @param  none
+  * @return none
+  */ 
+void STLED316S::_init(){
+  char config;  
+
+//init SPI
+  _cs=1;
+  _spi.format(8,3); //STLED316S uses mode 3 (Clock High on Idle, Data latched on second (=rising) edge)
+  _spi.frequency(500000);   
+
+//init controller  
+  _brt_mode = GlobalBright; //STLED316S_BRT_GLOB;
+//  _brt_mode = IndivBright;  //STLED316S_BRT_INDIV;  
+  _bright   = STLED316S_BRT_DEF; 
+
+  config = ((_mode << STLED316S_CONF_GRID_SHFT) & STLED316S_CONF_GRID_MSK) | 
+           ((_brt_mode << STLED316S_CONF_BRT_MODE_SHFT) & STLED316S_CONF_BRT_MODE_MSK) |
+           ((_bright << STLED316S_CONF_BRT_GLOB_SHFT) & STLED316S_CONF_BRT_GLOB_MSK);
+            
+  _writeReg(STLED316S_IDX(STLED316S_CONF_PAGE,STLED316S_CONF_ADDR), config);    // Config set command 
+//  printf("Cmd= 0x%02X, Conf= 0x%02X\r\n", STLED316S_ADDR_WR_CMD | STLED316S_IDX(STLED316S_CONF_PAGE,STLED316S_CONF_ADDR), config); // Debug   
+   
+  _writeReg(STLED316S_IDX(STLED316S_DSP_PAGE,STLED316S_DSP_ON_ADDR));           // Display On command      
+}   
+
+                          
+/** Clear the screen and locate to 0
+ */  
+void STLED316S::cls() {
+  
+  _cs=0;
+  wait_us(1);    
+  _spi.write(_flip(STLED316S_ADDR_WR_CMD | STLED316S_IDX(STLED316S_DIG_PAGE,STLED316S_DIG2_ADDR))); // Address set cmd, 0
+      
+  for (int cnt=0; cnt<STLED316S_DISPLAY_MEM; cnt++) {
+    _spi.write(0x00); // data 
+  }
+  
+  wait_us(1);
+  _cs=1;      
+}  
+
+/** Set Brightness for all Digits and LEDs (value is used in GlobalBright mode)
+  *
+  * @param  char brightness (3 significant bits, valid range 0..7 (1/16 .. 14/14 dutycycle)  
+  * @return none
+  */ 
+void STLED316S::setBrightness(char brightness){
+  char config;
+  
+  _bright = brightness & STLED316S_BRT_MSK; // mask invalid bits
+  
+  config = ((_mode << STLED316S_CONF_GRID_SHFT) & STLED316S_CONF_GRID_MSK) | 
+           ((_brt_mode << STLED316S_CONF_BRT_MODE_SHFT) & STLED316S_CONF_BRT_MODE_MSK) |
+           ((_bright << STLED316S_CONF_BRT_GLOB_SHFT) & STLED316S_CONF_BRT_GLOB_MSK);
+            
+  _writeReg(STLED316S_IDX(STLED316S_CONF_PAGE,STLED316S_CONF_ADDR), config);    // Config set command 
+//  printf("Cmd= 0x%02X, Conf= 0x%02X\r\n", STLED316S_ADDR_WR_CMD | STLED316S_IDX(STLED316S_CONF_PAGE,STLED316S_CONF_ADDR), config); // Debug   
+}
+
+
+/** Set Individual LED Brightness (value is used in IndivBright mode)
+  *
+  * @param  LedData_t leds pattern of LED data
+  * @param  char led_brt (3 significant bits, valid range 0..7 (1/16 .. 14/14 dutycycle)  
+  * @return none
+  */
+void STLED316S::setLedBrightness(LedData_t leds, char led_brt) {
+  char brt_old;
+  
+  //Sanity check
+  led_brt &= STLED316S_BRT_MSK;  
+  
+  if (leds & STLED316S_LED_L1) { // LED_1
+    brt_old = _readReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED1_2_BRT_ADDR));                            // LED Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED1_2_BRT_ADDR), (brt_old & 0xF0) | led_brt);         // LED Brt set command 
+  }
+
+  if (leds & STLED316S_LED_L2) { // LED_2
+    brt_old = _readReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED1_2_BRT_ADDR));                            // LED Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED1_2_BRT_ADDR), (brt_old & 0x0F) | (led_brt << 4));  // LED Brt set command 
+  }
+
+  if (leds & STLED316S_LED_L3) { // LED_3
+    brt_old = _readReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED3_4_BRT_ADDR));                            // LED Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED3_4_BRT_ADDR), (brt_old & 0xF0) | led_brt);         // LED Brt set command 
+  }
+
+  if (leds & STLED316S_LED_L4) { // LED_4
+    brt_old = _readReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED3_4_BRT_ADDR));                            // LED Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED3_4_BRT_ADDR), (brt_old & 0x0F) | (led_brt << 4));  // LED Brt set command 
+  }
+
+  if (leds & STLED316S_LED_L5) { // LED_5
+    brt_old = _readReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED5_6_BRT_ADDR));                            // LED Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED5_6_BRT_ADDR), (brt_old & 0xF0) | led_brt);         // LED Brt set command 
+  }
+
+  if (leds & STLED316S_LED_L6) { // LED_6
+    brt_old = _readReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED5_6_BRT_ADDR));                            // LED Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED5_6_BRT_ADDR), (brt_old & 0x0F) | (led_brt << 4));  // LED Brt set command 
+  }
+
+  if (leds & STLED316S_LED_L7) { // LED_7
+    brt_old = _readReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED7_8_BRT_ADDR));                            // LED Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED7_8_BRT_ADDR), (brt_old & 0xF0) | led_brt);         // LED Brt set command 
+  }
+
+  if (leds & STLED316S_LED_L8) { // LED_8
+    brt_old = _readReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED7_8_BRT_ADDR));                            // LED Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_LED_BRT_PAGE,STLED316S_LED7_8_BRT_ADDR), (brt_old & 0x0F) | (led_brt << 4));  // LED Brt set command 
+  }
+}
+
+
+/** Set Individual Digit Brightness (value is used in IndivBright mode)
+  *
+  * @param  LedData_t digits pattern of Digit data
+  * @param  char dig_brt (3 significant bits, valid range 0..7 (1/16 .. 14/14 dutycycle)  
+  * @return none
+  */
+void STLED316S::setDigitBrightness(LedData_t digits, char dig_brt) {
+  char brt_old;
+  
+  //Sanity check
+  dig_brt &= STLED316S_BRT_MSK;  
+
+  if (digits & STLED316S_DIG_D2) { // DIGIT_2
+    brt_old = _readReg(STLED316S_IDX(STLED316S_DIG_BRT_PAGE,STLED316S_DIG2_3_BRT_ADDR));                            // Digit Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_DIG_BRT_PAGE,STLED316S_DIG2_3_BRT_ADDR), (brt_old & 0xF0) | dig_brt);         // Digit Brt set command 
+  }
+
+  if (digits & STLED316S_DIG_D3) { // DIGIT_3
+    brt_old = _readReg(STLED316S_IDX(STLED316S_DIG_BRT_PAGE,STLED316S_DIG2_3_BRT_ADDR));                            // Digit Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_DIG_BRT_PAGE,STLED316S_DIG2_3_BRT_ADDR), (brt_old & 0x0F) | (dig_brt << 4));  // Digit Brt set command 
+  }
+
+  if (digits & STLED316S_DIG_D4) { // DIGIT_4
+    brt_old = _readReg(STLED316S_IDX(STLED316S_DIG_BRT_PAGE,STLED316S_DIG4_5_BRT_ADDR));                            // Digit Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_DIG_BRT_PAGE,STLED316S_DIG4_5_BRT_ADDR), (brt_old & 0xF0) | dig_brt);         // Digit Brt set command 
+  }
+
+  if (digits & STLED316S_DIG_D5) { // DIGIT_5
+    brt_old = _readReg(STLED316S_IDX(STLED316S_DIG_BRT_PAGE,STLED316S_DIG4_5_BRT_ADDR));                            // Digit Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_DIG_BRT_PAGE,STLED316S_DIG4_5_BRT_ADDR), (brt_old & 0x0F) | (dig_brt << 4));  // Digit Brt set command 
+  }
+
+  if (digits & STLED316S_DIG_D6) { // DIGIT_6
+    brt_old = _readReg(STLED316S_IDX(STLED316S_DIG_BRT_PAGE,STLED316S_DIG6_7_BRT_ADDR));                            // Digit Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_DIG_BRT_PAGE,STLED316S_DIG6_7_BRT_ADDR), (brt_old & 0xF0) | dig_brt);         // Digit Brt set command 
+  }
+
+  if (digits & STLED316S_DIG_D7) { // DIGIT_7
+    brt_old = _readReg(STLED316S_IDX(STLED316S_DIG_BRT_PAGE,STLED316S_DIG6_7_BRT_ADDR));                            // Digit Brt read command 
+    _writeReg(STLED316S_IDX(STLED316S_DIG_BRT_PAGE,STLED316S_DIG6_7_BRT_ADDR), (brt_old & 0x0F) | (dig_brt << 4));  // Digit Brt set command 
+  }
+}
+
+
+/** Set the Display mode On/off
+  *
+  * @param bool display mode
+  */
+void STLED316S::setDisplay(bool on) {
+  
+  if (on) {
+    _writeReg(STLED316S_IDX(STLED316S_DSP_PAGE,STLED316S_DSP_ON_ADDR));  // Display On command       
+  }
+  else {
+   _writeReg(STLED316S_IDX(STLED316S_DSP_PAGE,STLED316S_DSP_OFF_ADDR));  // Display Off command          
+  }
+}
+
+/** Set Brightness mode 
+  *
+  * @param  BrightMode brt_mode (value is IndivBright or GlobalBright)  
+  * @return none
+  */
+void STLED316S::setBrightMode(BrightMode brt_mode) {
+  char config;
+  
+  _brt_mode = brt_mode; // mask invalid bits
+  
+  config = ((_mode << STLED316S_CONF_GRID_SHFT) & STLED316S_CONF_GRID_MSK) | 
+           ((_brt_mode << STLED316S_CONF_BRT_MODE_SHFT) & STLED316S_CONF_BRT_MODE_MSK) |
+           ((_bright << STLED316S_CONF_BRT_GLOB_SHFT) & STLED316S_CONF_BRT_GLOB_MSK);
+            
+  _writeReg(STLED316S_IDX(STLED316S_CONF_PAGE,STLED316S_CONF_ADDR), config);    // Config set command 
+//  printf("Cmd= 0x%02X, Conf= 0x%02X\r\n", STLED316S_ADDR_WR_CMD | STLED316S_IDX(STLED316S_CONF_PAGE,STLED316S_CONF_ADDR), config); // Debug   
+}
+
+
+/** Write databyte to STLED316S
+  *  @param  int address display memory location to write byte
+  *  @param  char data byte written at given address
+  *  @return none
+  */ 
+void STLED316S::writeData(int address, char data) {
+  _cs=0;
+  wait_us(1);    
+
+  _spi.write(_flip(STLED316S_ADDR_WR_CMD | STLED316S_IDX(STLED316S_DIG_PAGE, address))); // Address set cmd
+  _spi.write(_flip(data)); // data 
+      
+  wait_us(1);
+  _cs=1;             
+}
+
+/** Write Display datablock to STLED316S
+  *  @param  DisplayData_t data Array of STLED316S_DISPLAY_MEM (=6) bytes for displaydata (starting at address 0)
+  *  @param  length number bytes to write (valide range 0..STLED316S_DISPLAY_MEM (=6), starting at address 0)     
+  *  @return none
+  */ 
+void STLED316S::writeData(DisplayData_t data, int length) {
+  _cs=0;
+  wait_us(1);    
+
+  _spi.write(_flip(STLED316S_ADDR_WR_CMD | STLED316S_IDX(STLED316S_DIG_PAGE, 0x00))); // Set Address at 0
+
+//  printf("Cmd= 0x%02X\r\n", STLED316S_ADDR_WR_CMD | STLED316S_IDX(STLED316S_DIG_PAGE, 0x00)); // Debug   
+      
+// sanity check
+  if (length < 0) {length = 0;}
+  if (length > STLED316S_DISPLAY_MEM) {length = STLED316S_DISPLAY_MEM;}
+
+//  for (int idx=0; idx<STLED316S_DISPLAY_MEM; idx++) {  
+  for (int idx=0; idx<length; idx++) {    
+    _spi.write(_flip(data[idx])); // data 
+
+//    printf("Data= 0x%02X\r\n", data[idx]); // Debug       
+  }
+  
+  wait_us(1);
+  _cs=1;             
+}
+
+
+/** Write LED data to STLED316S
+  *  @param  LedData_t leds LED data
+  *  @return none
+  */   
+void STLED316S::writeLedData(LedData_t leds) {
+  _cs=0;
+  wait_us(1);    
+
+  _leds = leds;
+  
+  _spi.write(_flip(STLED316S_ADDR_WR_CMD | STLED316S_IDX(STLED316S_DIG1_LED_PAGE, STLED316S_DIG1_LED_ADDR))); // Set Address
+//  printf("Cmd= 0x%02Xr\n", STLED316S_ADDR_WR_CMD | STLED316S_IDX(STLED316S_DIG1_LED_PAGE, STLED316S_DIG1_LED_ADDR)); // Debug          
+
+  _spi.write(_flip(leds)); // data 
+//  printf("Data 0x%02X\r\n", leds); // Debug       
+  
+  wait_us(1);
+  _cs=1;             
+}
+
+
+/** Set LED
+  *
+  * @param LedData_t leds pattern of LED data
+  * @return none
+  */
+void STLED316S::setLed(LedData_t leds){
+
+  _leds |= leds;
+  writeLedData(_leds);  
+}
+
+/** Clr LED
+  *
+  * @param LedData_t leds pattern of LED data  
+  * @return none
+  */
+void STLED316S::clrLed(LedData_t leds){
+  _leds &= ~leds;
+  writeLedData(_leds);  
+}
+
+/** Read keydata block from STLED316S
+  *  @param  *keydata Ptr to Array of STLED316S_KEY_MEM (=5) bytes for keydata
+  *  @return bool keypress True when at least one key was pressed
+  *
+  * Note: Due to the hardware configuration the STLED316S key matrix scanner will detect multiple keys pressed at same time,
+  *       but this may also result in some spurious keys being set in keypress data array.
+  *       It may be best to ignore all keys in those situations. That option is implemented in this method depending on #define setting.  
+  */ 
+bool STLED316S::getKeys(KeyData_t *keydata) {
+  int keypress = 0;
+  char data;
+
+  // Read keys
+  _cs=0;
+  wait_us(1);    
+  
+  // Enable Key Read mode
+  _spi.write(_flip(STLED316S_ADDR_RD_CMD | STLED316S_IDX(STLED316S_KEY_PAGE, STLED316S_KEY1_ADDR))); // Set Address
+//  printf("Cmd= 0x%02Xr\n", STLED316S_ADDR_RD_CMD | STLED316S_IDX(STLED316S_KEY_PAGE, STLED316S_KEY1_ADDR)); // Debug          
+
+  for (int idx=0; idx < STLED316S_KEY_MEM; idx++) {
+    data = _flip(_spi.write(0xFF));    // read keys and correct bitorder
+//    printf("KeyData 0x%02X\r\n", data); // Debug       
+
+    data = data & STLED316S_KEY_MSK; // Mask valid bits
+    if (data != 0) {  // Check for any pressed key
+      for (int bit=0; bit < 8; bit++) {
+        if (data & (1 << bit)) {keypress++;} // Test all significant bits
+      }
+    }  
+
+    (*keydata)[idx] = data;            // Store keydata after correcting bitorder
+  }
+
+  wait_us(1);
+  _cs=1;    
+     
+#if(1)
+// Dismiss multiple keypresses at same time
+  return (keypress == 1);    
+#else
+// Allow multiple keypress and accept possible spurious keys
+  return (keypress > 0);
+#endif  
+}
+    
+
+/** Helper to reverse all command or databits. The STLED316S expects LSB first, whereas SPI is MSB first
+  *  @param  char data
+  *  @return bitreversed data
+  */ 
+char STLED316S::_flip(char data) {
+ char value=0;
+  
+ if (data & 0x01) {value |= 0x80;} ;  
+ if (data & 0x02) {value |= 0x40;} ;
+ if (data & 0x04) {value |= 0x20;} ;
+ if (data & 0x08) {value |= 0x10;} ;
+ if (data & 0x10) {value |= 0x08;} ;
+ if (data & 0x20) {value |= 0x04;} ;
+ if (data & 0x40) {value |= 0x02;} ;
+ if (data & 0x80) {value |= 0x01;} ;
+ return value;       
+}
+
+
+/** Write parameter to STLED316S Register
+  *  @param  int idx Register address
+  *  @Param  int data Parameter for Register
+  *  @return none
+  */  
+void STLED316S::_writeReg(int idx, int data){
+    
+  _cs=0;
+  wait_us(1);    
+ 
+  _spi.write(_flip(STLED316S_ADDR_WR_CMD | (idx & STLED316S_IDX_MSK)));
+  _spi.write(_flip(data) );
+
+//  printf("Cmd= 0x%02X, Write= 0x%02X\r\n", STLED316S_ADDR_WR_CMD | (idx & STLED316S_IDX_MSK), data); // Debug        
+       
+  wait_us(1);
+  _cs=1;          
+}  
+
+
+/** Write merged command and parameter to STLED316S
+  *  @param  int cmd Command & Parameter byte
+  *  @return none
+  */  
+void STLED316S::_writeReg(int cmd){
+    
+  _cs=0;
+  wait_us(1);    
+  _spi.write(_flip(STLED316S_ADDR_WR_CMD | (cmd & STLED316S_IDX_MSK)));
+
+//  printf("Cmd= 0x%02X\r\n", STLED316S_ADDR_WR_CMD | (cmd & STLED316S_IDX_MSK)); // Debug        
+
+  wait_us(1);
+  _cs=1;          
+}  
+
+
+/** Read parameter from STLED316S Register
+  *  @param  int idx Register address
+  *  @return char data from Register
+  */ 
+char STLED316S::_readReg(int idx){
+  char data;
+
+  _cs=0;
+  wait_us(1);    
+  _spi.write(_flip(STLED316S_ADDR_RD_CMD | (idx & STLED316S_IDX_MSK)));
+
+  data = _flip(_spi.write(0xFF));    // read data and correct bitorder
+
+//  printf("Cmd= 0x%02X, Read= 0x%02X\r\n", STLED316S_ADDR_RD_CMD | (idx & STLED316S_IDX_MSK), data); // Debug        
+
+  wait_us(1);
+  _cs=1;          
+ 
+  return data;
+}        
+
+
+
+#if(ST316BOARD_TEST == 1)
+// Derived class for STLED316S used in test display module
+//
+//#include "Font_7Seg.h"
+
+/** Constructor for class for driving STM STLED316S controller as used in ST316S test display
+  *
+  *  @brief Supports 6 Digits of 7 Segments and 3 LEDs. Also supports a scanned keyboard of 3.
+  *   
+  *  @param  PinName mosi, miso, sclk, cs SPI bus pins
+  */
+STLED316S_BOARD::STLED316S_BOARD(PinName mosi, PinName miso, PinName sclk, PinName cs) : STLED316S(mosi, miso, sclk, cs, Grid6_Seg8) {
+  _column  = 0;
+  _columns = ST316BOARD_NR_DIGITS;    
+}  
+
+#if(0)
+#if DOXYGEN_ONLY
+    /** Write a character to the Display
+     *
+     * @param c The character to write to the display
+     */
+    int putc(int c);
+
+    /** Write a formatted string to the Display
+     *
+     * @param format A printf-style format string, followed by the
+     *               variables to use in formatting the string.
+     */
+    int printf(const char* format, ...);   
+#endif
+#endif
+
+/** Locate cursor to a screen column
+  *
+  * @param column  The horizontal position from the left, indexed from 0
+  */
+void STLED316S_BOARD::locate(int column) {
+  //sanity check
+  if (column < 0) {column = 0;}
+  if (column > (_columns - 1)) {column = _columns - 1;}  
+  
+  _column = column;       
+}
+
+
+/** Number of screen columns
+  *
+  * @param none
+  * @return columns
+  */
+int STLED316S_BOARD::columns() {
+    return _columns;
+}
+
+
+/** Clear the screen and locate to 0
+  * @param bool clrAll Clear Icons also (default = false)
+  */ 
+void STLED316S_BOARD::cls(bool clrAll) {  
+
+  if (clrAll) {
+    //clear local buffer for LEDs/Icons 
+    setLed(0x00);    
+  }  
+
+  //clear local buffer for digits
+  for (int idx=0; idx < (ST316BOARD_NR_GRIDS * STLED316S_BYTES_PER_GRID); idx++) {
+    _displaybuffer[idx] = 0x00;  
+  }
+  writeData(_displaybuffer, (ST316BOARD_NR_GRIDS * STLED316S_BYTES_PER_GRID));
+
+  _column = 0;   
+}     
+
+
+/** Set Icon
+  *
+  * @param Icon icon Enums Icon has Grid position encoded in 8 MSBs, Icon pattern encoded in 16 LSBs
+  * @return none
+  */
+void STLED316S_BOARD::setIcon(Icon icon) {
+//  int addr;
+  int icn;
+
+   icn =        icon  & 0xFF;
+//  addr = (icon >> 24) & 0xFF; 
+
+  setLed(icn);
+}
+
+/** Clr Icon
+  *
+  * @param Icon icon Enums Icon has Grid position encoded in 8 MSBs, Icon pattern encoded in 16 LSBs
+  * @return none
+  */
+void STLED316S_BOARD::clrIcon(Icon icon) {
+//  int addr;
+  int icn;
+
+   icn =        icon  & 0xFF;
+//  addr = (icon >> 24) & 0xFF; 
+
+  clrLed(icn);
+}
+
+
+/** Set User Defined Characters (UDC)
+  *
+  * @param unsigned char udc_idx  The Index of the UDC (0..7)
+  * @param int udc_data           The bitpattern for the UDC (16 bits)       
+  */
+void STLED316S_BOARD::setUDC(unsigned char udc_idx, int udc_data) {
+
+  //Sanity check
+  if (udc_idx > (ST316BOARD_NR_UDC-1)) {
+    return;
+  }
+  // Mask out Icon bits?
+
+  _UDC_7S[udc_idx] = udc_data;
+}
+
+
+/** Write a single character (Stream implementation)
+  */
+int STLED316S_BOARD::_putc(int value) {
+
+    int addr;
+    bool validChar = false;
+    char pattern  = 0x00;
+
+    if ((value == '\n') || (value == '\r')) {
+      //No character to write
+      validChar = false;
+      
+      //Update Cursor      
+      _column = 0;
+    }
+    else if ((value == '.') || (value == ',')) {
+      //No character to write
+      validChar = false;
+      pattern = S7_DP; // placeholder for all DPs
+      
+      // Check to see that DP can be shown for current column
+      if (_column > 0) {
+        //Translate between _column and displaybuffer entries
+        //Add DP to bitpattern of digit left of current column.
+        addr = (_column - 1);
+      
+        //Set bits for decimal point to write
+        _displaybuffer[addr] = _displaybuffer[addr] | pattern;
+        writeData(_displaybuffer, (ST316BOARD_NR_GRIDS * STLED316S_BYTES_PER_GRID));        
+        
+        //No Cursor Update
+      }
+    }
+    else if ((value >= 0) && (value < ST316BOARD_NR_UDC)) {
+      //Character to write
+      validChar = true;
+      pattern = _UDC_7S[value];
+    }  
+    
+#if (SHOW_ASCII == 1)
+    //display all ASCII characters
+    else if ((value >= FONT_7S_START) && (value <= FONT_7S_END)) {   
+      //Character to write
+      validChar = true;
+      pattern = FONT_7S[value - FONT_7S_START];
+    } // else
+#else    
+    //display only digits and hex characters      
+    else if (value == '-') {
+      //Character to write
+      validChar = true;
+      pattern = C7_MIN;         
+    }
+    else if ((value >= (int)'0') && (value <= (int) '9')) {   
+      //Character to write
+      validChar = true;
+      pattern = FONT_7S[value - (int) '0'];
+    }
+    else if ((value >= (int) 'A') && (value <= (int) 'F')) {   
+      //Character to write
+      validChar = true;
+      pattern = FONT_7S[10 + value - (int) 'A'];
+    }
+    else if ((value >= (int) 'a') && (value <= (int) 'f')) {   
+      //Character to write
+      validChar = true;
+      pattern = FONT_7S[10 + value - (int) 'a'];
+    } //else
+#endif
+
+    if (validChar) {
+      //Character to write
+ 
+      //Translate between _column and displaybuffer entries
+      //_column == 0 => Grid0 => addr = 0
+      //
+      //_column == 5 => Grid5 => addr = 5            
+      addr = _column;
+      _displaybuffer[addr]   = pattern;
+
+      writeData(_displaybuffer, (ST316BOARD_NR_GRIDS * STLED316S_BYTES_PER_GRID));
+                                
+      //Update Cursor
+      _column++;
+      if (_column > (ST316BOARD_NR_DIGITS - 1)) {
+        _column = 0;
+      }
+
+    } // if validChar           
+
+    return value;
+}
+
+// get a single character (Stream implementation)
+int STLED316S_BOARD::_getc() {
+    return -1;
+}
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/STLED316S.h	Sat Oct 01 15:09:51 2016 +0000
@@ -0,0 +1,495 @@
+/* mbed STLED316S Library, for STLED316S LED controller
+ * Copyright (c) 2016, v01: WH, Initial version
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef STLED316S_H
+#define STLED316S_H
+
+// Select one of the testboards for the STM STLED316S LED controller
+#include "STLED316S_Config.h"
+
+#include "Font_7Seg.h"
+
+/** An interface for driving STLED316S LED controller
+ *
+ * @code
+ * #include "mbed.h"
+ * #include "STLED316S.h" 
+ * 
+ * DisplayData_t size is  8 bytes (4 grids @ 13 segments) OR 10 bytes (5 grids @ 12 segments) OR
+ *                       12 bytes (6 grids @ 11 segments) OR 14 bytes (7 grids @ 10 segments) 
+ * STLED316S::DisplayData_t mbed_str = {0xDA,0x00, 0x7C,0x00, 0x3C,0x01, 0xF6,0x00, 0x00,0x00, 0x00,0x00, 0x00,0x00};  
+ * STLED316S::DisplayData_t all_str  = {0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F, 0xFF,0x0F};  
+ *
+ * // KeyData_t size is 5 bytes  
+ * STLED316S::KeyData_t keydata; 
+ *
+ * // STLED316S declaration, Default setting 7 Grids @ 10 Segments
+ * STLED316S STLED316S(p5,p6,p7, p8);
+ *
+ * int main() {
+ *   STLED316S.cls(); 
+ *   STLED316S.writeData(all_str);
+ *   wait(4);
+ *   STLED316S.writeData(mbed_str);    
+ *   wait(1);
+ *   STLED316S.setBrightness(STLED316S_BRT0);
+ *   wait(1);
+ *   STLED316S.setBrightness(STLED316S_BRT3);
+ *
+ *   while (1) {
+ *    // Check and read keydata
+ *    if (STLED316S.getKeys(&keydata)) {
+ *      pc.printf("Keydata 0..4 = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\r\n", keydata[0], keydata[1], keydata[2], keydata[3], keydata[4]);
+ *
+ *      if (keydata[0] == 0x10) { //sw2   
+ *        STLED316S.cls(); 
+ *        STLED316S.writeData(all_str);
+ *      }  
+ *    } 
+ *   }   
+ * }
+ * @endcode
+ */
+
+//STLED316S Display and Keymatrix data
+#define STLED316S_MAX_NR_GRIDS    6
+#define STLED316S_BYTES_PER_GRID  1
+//Significant bits Keymatrix data
+#define STLED316S_KEY_MSK      0xFF 
+
+//Memory size in bytes for Display and Keymatrix
+#define STLED316S_DISPLAY_MEM  (STLED316S_MAX_NR_GRIDS * STLED316S_BYTES_PER_GRID)
+#define STLED316S_KEY_MEM         2
+
+//Address set commands
+#define STLED316S_CMD_MSK      0x7F
+#define STLED316S_DATA_WR      0x00
+#define STLED316S_DATA_RD      0x40
+#define STLED316S_ADDR_INC     0x00
+#define STLED316S_ADDR_FIXED   0x20
+#define STLED316S_PAGE_MSK     0x18
+#define STLED316S_PAGE_SHFT       3
+#define STLED316S_ADDR_MSK     0x07
+#define STLED316S_ADDR_SHFT       0
+#define STLED316S_IDX_MSK      (STLED316S_PAGE_MSK | STLED316S_ADDR_MSK)
+
+//Read and Write commands
+#define STLED316S_ADDR_WR_CMD  (STLED316S_DATA_WR | STLED316S_ADDR_INC) 
+#define STLED316S_ADDR_RD_CMD  (STLED316S_DATA_RD | STLED316S_ADDR_INC) 
+
+//Combined Page and Address parameters
+#define STLED316S_IDX(page, addr) ( ((page << STLED316S_PAGE_SHFT) & STLED316S_PAGE_MSK) | ((addr << STLED316S_ADDR_SHFT) & STLED316S_ADDR_MSK) )   
+
+
+//Digit Data address (Digit2..Digit7)
+#define STLED316S_DIG_PAGE        0
+#define STLED316S_DIG2_ADDR    0x00
+#define STLED316S_DIG3_ADDR    0x01
+#define STLED316S_DIG4_ADDR    0x02
+#define STLED316S_DIG5_ADDR    0x03
+#define STLED316S_DIG6_ADDR    0x04
+#define STLED316S_DIG7_ADDR    0x05
+
+//LED Data address (also Digit1 Data address)
+#define STLED316S_DIG1_LED_PAGE         1
+#define STLED316S_DIG1_LED_ADDR      0x00
+
+//LED Data used to select individual LEDs
+#define STLED316S_LED_L1       0x01
+#define STLED316S_LED_L2       0x02
+#define STLED316S_LED_L3       0x04
+#define STLED316S_LED_L4       0x08
+#define STLED316S_LED_L5       0x10
+#define STLED316S_LED_L6       0x20
+#define STLED316S_LED_L7       0x40
+#define STLED316S_LED_L8       0x80
+#define STLED316S_LED_ALL      0xFF
+
+//Digit Data used to select individual digits
+//#define STLED316S_DIG_D1       0x01
+#define STLED316S_DIG_D2       0x02
+#define STLED316S_DIG_D3       0x04
+#define STLED316S_DIG_D4       0x08
+#define STLED316S_DIG_D5       0x10
+#define STLED316S_DIG_D6       0x20
+#define STLED316S_DIG_D7       0x40
+#define STLED316S_DIG_ALL      0x7E
+
+
+//Key Data address
+#define STLED316S_KEY_PAGE        1
+#define STLED316S_KEY1_ADDR    0x01
+#define STLED316S_KEY2_ADDR    0x02
+
+//Display On_Off address
+#define STLED316S_DSP_PAGE        1
+#define STLED316S_DSP_ON_ADDR  0x05
+#define STLED316S_DSP_OFF_ADDR 0x06
+
+//Config set address
+#define STLED316S_CONF_PAGE             2
+#define STLED316S_CONF_ADDR          0x00
+
+//Config parameters
+#define STLED316S_CONF_GRID_MSK      0x07
+#define STLED316S_CONF_GRID_SHFT        0
+#define STLED316S_CONF_BRT_MODE_MSK  0x18
+#define STLED316S_CONF_BRT_MODE_SHFT    3
+#define STLED316S_CONF_BRT_GLOB_MSK  0xE0
+#define STLED316S_CONF_BRT_GLOB_SHFT    5
+
+//Grid Config parameters
+#define STLED316S_GR1_SEG8     0x00
+#define STLED316S_GR2_SEG8     0x01
+#define STLED316S_GR3_SEG8     0x02
+#define STLED316S_GR4_SEG8     0x03 //default
+#define STLED316S_GR5_SEG8     0x04
+#define STLED316S_GR6_SEG8     0x05
+
+//Brightness Mode Config parameters
+#define STLED316S_BRT_INDIV    0x00
+#define STLED316S_BRT_GLOB     0x03 //default
+
+//Digit Brightness address (used when Brightness mode is set as 'individual')
+#define STLED316S_DIG_BRT_PAGE          2
+#define STLED316S_DIG2_3_BRT_ADDR    0x01
+#define STLED316S_DIG4_5_BRT_ADDR    0x02
+#define STLED316S_DIG6_7_BRT_ADDR    0x03
+
+//LED Brightness address (used when Brightness mode is set as 'individual')
+#define STLED316S_LED_BRT_PAGE          3
+#define STLED316S_LED1_2_BRT_ADDR    0x00
+#define STLED316S_LED3_4_BRT_ADDR    0x01
+#define STLED316S_LED5_6_BRT_ADDR    0x02
+#define STLED316S_LED7_8_BRT_ADDR    0x03
+
+//Brightness control parameters (used for both Brightness modes 'global' and 'individual')
+#define STLED316S_BRT_MSK      0x07
+
+#define STLED316S_BRT0         0x00 //Pulsewidth 1/16
+#define STLED316S_BRT1         0x01
+#define STLED316S_BRT2         0x02
+#define STLED316S_BRT3         0x03
+#define STLED316S_BRT4         0x04
+#define STLED316S_BRT5         0x05
+#define STLED316S_BRT6         0x06
+#define STLED316S_BRT7         0x07 //Pulsewidth 14/16 (default)
+
+#define STLED316S_BRT_DEF      STLED316S_BRT3
+
+
+
+/** A class for driving STM STLED316S LED controller
+ *
+ * @brief Supports 1..6 Grids @ 8 Segments and 8 LEDs. 
+ *        Also supports a scanned keyboard of upto 16 keys.
+ *        SPI bus interface device. 
+ */
+class STLED316S {
+ public:
+
+  /** Enums for Display mode */
+  enum Mode {
+    Grid1_Seg8 = STLED316S_GR1_SEG8,
+    Grid2_Seg8 = STLED316S_GR2_SEG8,   
+    Grid3_Seg8 = STLED316S_GR3_SEG8,
+    Grid4_Seg8 = STLED316S_GR4_SEG8,
+    Grid5_Seg8 = STLED316S_GR5_SEG8,
+    Grid6_Seg8 = STLED316S_GR6_SEG8   
+  };
+  
+  /** Enums for Brightness mode */
+  enum BrightMode {
+    IndivBright  = STLED316S_BRT_INDIV,
+    GlobalBright = STLED316S_BRT_GLOB      
+  };
+
+  /** Datatypes for display and keymatrix data */
+  typedef char DisplayData_t[STLED316S_DISPLAY_MEM];
+  typedef char LedData_t;  
+  typedef char KeyData_t[STLED316S_KEY_MEM];
+    
+ /** Constructor for class for driving STLED316S LED controller
+  *
+  * @brief Supports 1..6 Grids @ 8 Segments and 8 LEDs. 
+  *        Also supports a scanned keyboard of upto 16 keys.
+  *        SPI bus interface device. 
+  *
+  *  @param  PinName mosi, miso, sclk, cs SPI bus pins
+  *  @param  Mode selects either Grids/Segments (default 6 Grids @ 8 Segments)
+  */
+  STLED316S(PinName mosi, PinName miso, PinName sclk, PinName cs, Mode mode=Grid6_Seg8);
+      
+  /** Clear the screen and locate to 0
+   */ 
+  void cls();  
+
+  /** Write databyte to STLED316S
+   *  @param  int address display memory location to write byte
+   *  @param  char data byte written at given address
+   *  @return none
+   */ 
+  void writeData(int address, char data); 
+ 
+ /** Write Display datablock to STLED316S
+   *  @param  DisplayData_t data Array of STLED316S_DISPLAY_MEM (=6) bytes for displaydata (starting at address 0)
+   *  @param  length number bytes to write (valid range 0..STLED316S_DISPLAY_MEM (=6), starting at address 0)   
+   *  @return none
+   */   
+  void writeData(DisplayData_t data, int length = STLED316S_DISPLAY_MEM);
+
+ /** Write LED data to STLED316S
+   *  @param  LedData_t leds LED data   
+   *  @return none
+   */   
+  void writeLedData(LedData_t leds);
+
+  /** Set LED
+    *
+    * @param LedData_t leds pattern of LED data      
+    * @return none
+    */
+  void setLed(LedData_t leds);
+
+  /** Clr LED
+    *
+    * @param LedData_t leds pattern of LED data      
+    * @return none
+    */
+  void clrLed(LedData_t leds);
+
+
+  /** Read keydata block from STLED316S
+   *  @param  *keydata Ptr to Array of STLED316S_KEY_MEM (=2) bytes for keydata
+   *  @return bool keypress True when at least one key was pressed
+   *
+   * Note: Due to the hardware configuration the STLED316S key matrix scanner will detect multiple keys pressed at same time,
+   *       but this may result in some spurious keys also being set in keypress data array.
+   *       It may be best to ignore all keys in those situations. That option is implemented in this method depending on #define setting.
+   */   
+  bool getKeys(KeyData_t *keydata);
+
+  /** Set Brightness for all Digits and LEDs (value is used in GlobalBrightness mode)
+    *
+    * @param  char brightness (3 significant bits, valid range 0..7 (1/16 .. 14/14 dutycycle)  
+    * @return none
+    */
+  void setBrightness(char brightness = STLED316S_BRT_DEF);
+
+  /** Set Individual LED Brightness (value is used in IndivBright mode)
+    *
+    * @param  LedData_t leds pattern of LED data          
+    * @param  char led_brt (3 significant bits, valid range 0..7 (1/16 .. 14/14 dutycycle)  
+    * @return none
+    */
+  void setLedBrightness(LedData_t leds = STLED316S_LED_ALL, char led_brt = STLED316S_BRT_DEF);
+  
+  /** Set Individual Digit Brightness (value is used in IndivBright mode)
+    *
+    * @param  LedData_t digits pattern of Digit data
+    * @param  char dig_brt (3 significant bits, valid range 0..7 (1/16 .. 14/14 dutycycle)  
+    * @return none
+    */    
+  void setDigitBrightness(LedData_t digits = STLED316S_DIG_ALL, char dig_brt = STLED316S_BRT_DEF);
+
+  /** Set Brightness mode 
+    *
+    * @param  BrightMode brt_mode (value is IndivBright or GlobalBright)  
+    * @return none
+    */
+  void setBrightMode(BrightMode brt_mode = GlobalBright);
+
+
+  /** Set the Display mode On/off
+    *
+    * @param bool display mode
+    */
+  void setDisplay(bool on);
+  
+ private:  
+  SPI _spi;
+  DigitalOut _cs;
+  Mode _mode;
+  BrightMode _brt_mode;
+  char _bright;
+  LedData_t _leds;
+  
+  /** Init the SPI interface and the controller
+    * @param  none
+    * @return none
+    */ 
+  void _init();
+
+  /** Helper to reverse all command or databits. The STLED316S expects LSB first, whereas SPI is MSB first
+    *  @param  char data
+    *  @return bitreversed data
+    */ 
+  char _flip(char data);
+
+  /** Write parameter to STLED316S Register
+    *  @param  int idx Register address
+    *  @param  int data Parameter for Register
+    *  @return none
+    */ 
+  void _writeReg(int idx, int data);  
+  
+/** Write merged command and parameter to STLED316S
+  *  @param  int cmd Command & Parameter byte
+  *  @return none
+  */  
+  void _writeReg(int cmd);
+
+  /** Read parameter from STLED316S Register
+    *  @param  int idx Register address
+    *  @return char data from Register
+    */ 
+  char _readReg(int idx);    
+};
+
+
+
+#if(ST316BOARD_TEST == 1)
+// Derived class for STLED316S used in test display module
+//
+#include "Font_7Seg.h"
+
+#define ST316BOARD_NR_GRIDS    6
+#define ST316BOARD_NR_DIGITS   6
+//#define ST316BOARD_DIG1_IDX    0
+#define ST316BOARD_NR_UDC      8
+
+/** Constructor for class for driving STM STLED316S controller as used in ST316S test display
+  *
+  *  @brief Supports 6 Digits of 8 Segments, 1 Grid of 3 LEDs. Also supports a scanned keyboard of 3 keys.
+  *  
+  *  @param  PinName mosi, miso, sclk, cs SPI bus pins
+  */
+class STLED316S_BOARD : public STLED316S, public Stream {
+ public:
+
+  /** Enums for LEDs */
+  //  Grid encoded in 8 MSBs, LED pattern encoded in 16 LSBs
+  enum Icon {
+    LD1  = (0<<24) | STLED316S_LED_L1,
+    LD2  = (0<<24) | STLED316S_LED_L2,
+    LD3  = (0<<24) | STLED316S_LED_L3,
+  };
+  
+  typedef short UDCData_t[ST316BOARD_NR_UDC];
+  
+ /** Constructor for class for driving STLED316S controller as used in ST316S test display
+   *
+   * @brief Supports 6 Digits of 8 Segments, 1 Grid of 3 LEDs. Also supports a scanned keyboard of 3 keys.
+   *  
+   * @param  PinName mosi, miso, sclk, cs SPI bus pins
+   */
+  STLED316S_BOARD(PinName mosi, PinName miso, PinName sclk, PinName cs);
+
+#if DOXYGEN_ONLY
+    /** Write a character to the Display
+     *
+     * @param c The character to write to the display
+     */
+    int putc(int c);
+
+    /** Write a formatted string to the Display
+     *
+     * @param format A printf-style format string, followed by the
+     *               variables to use in formatting the string.
+     */
+    int printf(const char* format, ...);   
+#endif
+
+     /** Locate cursor to a screen column
+     *
+     * @param column  The horizontal position from the left, indexed from 0
+     */
+    void locate(int column);
+    
+    /** Clear the screen and locate to 0
+     * @param bool clrAll Clear Icons also (default = false)
+     */
+    void cls(bool clrAll = false);   
+
+    /** Set Icon
+     *
+     * @param Icon icon Enums Icon has Grid position encoded in 8 MSBs, Icon pattern encoded in 16 LSBs
+     * @return none
+     */
+    void setIcon(Icon icon);
+
+    /** Clr Icon
+     *
+     * @param Icon icon Enums Icon has Grid position encoded in 8 MSBs, Icon pattern encoded in 16 LSBs
+     * @return none
+     */
+    void clrIcon(Icon icon);
+
+   /** Set User Defined Characters (UDC)
+     *
+     * @param unsigned char udc_idx   The Index of the UDC (0..7)
+     * @param int udc_data            The bitpattern for the UDC (16 bits)       
+     */
+    void setUDC(unsigned char udc_idx, int udc_data);
+
+
+   /** Number of screen columns
+    *
+    * @param none
+    * @return columns
+    */
+    int columns();   
+
+   /** Write databyte to STLED316S
+     *  @param  int address display memory location to write byte
+     *  @param  char data byte written at given address
+     *  @return none
+     */ 
+    void writeData(int address, char data){
+      STLED316S::writeData(address, data);
+    }        
+
+   /** Write Display datablock to STLED316S
+    *  @param  DisplayData_t data Array of STLED316S_DISPLAY_MEM (=6) bytes for displaydata (starting at address 0)
+    *  @param  length number bytes to write (valid range 0..(ST316BOARD_NR_GRIDS) (=6), starting at address 0)   
+    *  @return none
+    */   
+    void writeData(DisplayData_t data, int length = (ST316BOARD_NR_GRIDS)) {
+      STLED316S::writeData(data, length);
+    }  
+
+protected:  
+    // Stream implementation functions
+    virtual int _putc(int value);
+    virtual int _getc();
+
+private:
+    int _column;
+    int _columns;   
+    
+    DisplayData_t _displaybuffer;
+    UDCData_t _UDC_7S; 
+};
+#endif
+
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/STLED316S_Config.h	Sat Oct 01 15:09:51 2016 +0000
@@ -0,0 +1,33 @@
+/* mbed STLED316S Library, for STLED316S LEDcontroller
+ * Copyright (c) 2016, v01: WH, Initial version
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef STLED316S_CONFIG_H
+#define STLED316S_CONFIG_H
+
+// Select one of the testboards for the STM STLED316S LED controller
+#define STLED316S_TEST  0
+#define ST316BOARD_TEST 1 
+
+// Select the display mode: only digits and hex or ASCII
+#define SHOW_ASCII   1 
+
+#endif
\ No newline at end of file