Tue, 08 Oct 2019 12:00:31 +0200
Initial import of the CO2 meter application.
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88d965579617
Initial import of the CO2 meter application.
Michiel Broek <mbroek@mbse.eu>
parents:
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1 | /* |
88d965579617
Initial import of the CO2 meter application.
Michiel Broek <mbroek@mbse.eu>
parents:
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2 | |
88d965579617
Initial import of the CO2 meter application.
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3 | u8x8_d_st7528.c |
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Initial import of the CO2 meter application.
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4 | |
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Initial import of the CO2 meter application.
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5 | Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) |
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Initial import of the CO2 meter application.
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6 | |
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Initial import of the CO2 meter application.
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7 | Copyright (c) 2019, olikraus@gmail.com |
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Initial import of the CO2 meter application.
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8 | All rights reserved. |
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Initial import of the CO2 meter application.
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9 | |
88d965579617
Initial import of the CO2 meter application.
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10 | Redistribution and use in source and binary forms, with or without modification, |
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11 | are permitted provided that the following conditions are met: |
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Initial import of the CO2 meter application.
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12 | |
88d965579617
Initial import of the CO2 meter application.
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13 | * Redistributions of source code must retain the above copyright notice, this list |
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14 | of conditions and the following disclaimer. |
88d965579617
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15 | |
88d965579617
Initial import of the CO2 meter application.
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16 | * Redistributions in binary form must reproduce the above copyright notice, this |
88d965579617
Initial import of the CO2 meter application.
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17 | list of conditions and the following disclaimer in the documentation and/or other |
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18 | materials provided with the distribution. |
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19 | |
88d965579617
Initial import of the CO2 meter application.
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20 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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21 | CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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22 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
88d965579617
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23 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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24 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
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25 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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26 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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27 | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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28 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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29 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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30 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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31 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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32 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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33 | |
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34 | ST7528: 16 Graylevel Controller |
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35 | https://github.com/olikraus/u8g2/issues/986 |
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36 | I2C Address: 0x03f (0x7e) |
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37 | |
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38 | */ |
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39 | |
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40 | |
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41 | #include "u8x8.h" |
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42 | |
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43 | |
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44 | /* NHD C160100 */ |
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45 | static const uint8_t u8x8_d_st7528_nhd_c160100_init_seq[] = { |
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46 | |
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47 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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48 | |
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49 | |
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Michiel Broek <mbroek@mbse.eu>
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50 | /* |
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51 | I2C_out(0x48);//partial display duty ratio |
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52 | I2C_out(0x64);// 1/100 duty |
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53 | I2C_out(0xA0);//ADC select |
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54 | I2C_out(0xC8);//SHL select |
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55 | I2C_out(0x44);//initial Com0 register |
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56 | I2C_out(0x00);//scan from Com0 |
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57 | I2C_out(0xAB);//OSC on |
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58 | I2C_out(0x26);// |
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59 | I2C_out(0x81); //set electronic volume |
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60 | I2C_out(0x15);//vopcode=0x1C |
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61 | I2C_out(0x56);//set 1/11 bias |
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62 | I2C_out(0x64);//3x |
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63 | delay(2); |
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64 | I2C_out(0x2C);// |
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65 | I2C_out(0x66);//5x |
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66 | delay(2); |
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67 | I2C_out(0x2E);// |
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68 | delay(2); |
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69 | I2C_out(0x2F);//power control |
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70 | I2C_out(0xF3);//bias save circuit |
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71 | I2C_out(0x00);// |
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72 | I2C_out(0x96);//frc and pwm |
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73 | I2C_out(0x38);//external mode |
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74 | I2C_out(0x75);// |
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75 | I2C_out(0x97);//3frc, 45 pwm THIS IS A MODE0 CMD, IT IS USELESS HERE |
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76 | I2C_out(0x80);//start 16-level grayscale settings |
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77 | */ |
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78 | U8X8_CA(0x048, 0x064), /* partial display duty ratio, 1/100 duty*/ |
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79 | U8X8_C(0x0a0), /* ADC */ |
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80 | U8X8_C(0x0c8), /* SHL */ |
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81 | U8X8_CA(0x044, 0x000), /* initial Com0 */ |
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82 | U8X8_C(0x0ab), /* start oscillator */ |
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83 | U8X8_C(0x026), /* Select the internal resistance ratio of the regulator resistor */ |
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84 | U8X8_CA(0x081, 0x015), /* volumn */ |
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85 | U8X8_C(0x056), /* LCD Bias */ |
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86 | U8X8_C(0x064), /* DC DC step up */ |
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87 | U8X8_DLY(2), |
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88 | U8X8_C(0x02c), /* Power Control */ |
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89 | U8X8_C(0x066), /* DC DC step up */ |
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90 | U8X8_DLY(2), |
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91 | U8X8_C(0x02e), /* Power Control */ |
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92 | U8X8_DLY(2), |
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93 | U8X8_C(0x02f), /* Power Control */ |
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94 | U8X8_CA(0x0f3, 0x000), /* bias power save */ |
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95 | U8X8_C(0x096), /* frc and pwm */ |
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96 | |
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97 | U8X8_CA(0x038, 0x075), /* ext mode 1*/ |
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98 | |
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99 | /* graylevel setup */ |
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100 | U8X8_CA(0x80, 0x00), U8X8_CA(0x81, 0x00), U8X8_CA(0x82, 0x00), U8X8_CA(0x83, 0x00), |
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101 | U8X8_CA(0x84, 0x06), U8X8_CA(0x85, 0x06), U8X8_CA(0x86, 0x06), U8X8_CA(0x87, 0x06), |
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102 | U8X8_CA(0x88, 0x0b), U8X8_CA(0x89, 0x0b), U8X8_CA(0x8a, 0x0b), U8X8_CA(0x8b, 0x0b), |
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103 | U8X8_CA(0x8c, 0x10), U8X8_CA(0x8d, 0x10), U8X8_CA(0x8e, 0x10), U8X8_CA(0x8f, 0x10), |
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104 | |
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105 | U8X8_CA(0x90, 0x15), U8X8_CA(0x91, 0x15), U8X8_CA(0x92, 0x15), U8X8_CA(0x93, 0x15), |
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106 | U8X8_CA(0x94, 0x1a), U8X8_CA(0x95, 0x1a), U8X8_CA(0x96, 0x1a), U8X8_CA(0x97, 0x1a), |
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107 | U8X8_CA(0x98, 0x1e), U8X8_CA(0x99, 0x1e), U8X8_CA(0x9a, 0x1e), U8X8_CA(0x9b, 0x1e), |
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108 | U8X8_CA(0x9c, 0x23), U8X8_CA(0x9d, 0x23), U8X8_CA(0x9e, 0x23), U8X8_CA(0x9f, 0x23), |
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109 | |
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110 | U8X8_CA(0xa0, 0x27), U8X8_CA(0xa1, 0x27), U8X8_CA(0xa2, 0x27), U8X8_CA(0xa3, 0x27), |
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111 | U8X8_CA(0xa4, 0x2b), U8X8_CA(0xa5, 0x2b), U8X8_CA(0xa6, 0x2b), U8X8_CA(0xa7, 0x2b), |
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112 | U8X8_CA(0xa8, 0x2f), U8X8_CA(0xa9, 0x2f), U8X8_CA(0xaa, 0x2f), U8X8_CA(0xab, 0x2f), |
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113 | U8X8_CA(0xac, 0x32), U8X8_CA(0xad, 0x32), U8X8_CA(0xae, 0x32), U8X8_CA(0xaf, 0x32), |
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114 | |
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115 | U8X8_CA(0xb0, 0x35), U8X8_CA(0xb1, 0x35), U8X8_CA(0xb2, 0x35), U8X8_CA(0xb3, 0x35), |
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116 | U8X8_CA(0xb4, 0x38), U8X8_CA(0xb5, 0x38), U8X8_CA(0xb6, 0x38), U8X8_CA(0xb7, 0x38), |
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117 | U8X8_CA(0xb8, 0x3a), U8X8_CA(0xb9, 0x3a), U8X8_CA(0xba, 0x3a), U8X8_CA(0xbb, 0x3a), |
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118 | U8X8_CA(0xbc, 0x3c), U8X8_CA(0xbd, 0x3c), U8X8_CA(0xbe, 0x3c), U8X8_CA(0xbf, 0x3c), |
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119 | |
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120 | U8X8_CA(0x038, 0x074), /* ext mode 0*/ |
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121 | |
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122 | U8X8_END_TRANSFER(), /* disable chip */ |
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123 | U8X8_END() /* end of sequence */ |
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124 | }; |
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125 | |
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126 | static const uint8_t u8x8_d_st7528_powersave0_seq[] = { |
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127 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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128 | U8X8_CA(0x038, 0x074), /* ext mode 0*/ |
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129 | U8X8_C(0x0af), /* display on */ |
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130 | U8X8_END_TRANSFER(), /* disable chip */ |
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131 | U8X8_END() /* end of sequence */ |
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132 | }; |
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133 | |
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134 | static const uint8_t u8x8_d_st7528_powersave1_seq[] = { |
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135 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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136 | U8X8_CA(0x038, 0x074), /* ext mode 0*/ |
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137 | U8X8_C(0x0ae), /* display off */ |
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138 | U8X8_END_TRANSFER(), /* disable chip */ |
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139 | U8X8_END() /* end of sequence */ |
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140 | }; |
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141 | |
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142 | static const uint8_t u8x8_d_st7528_flip0_seq[] = { |
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143 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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144 | U8X8_END_TRANSFER(), /* disable chip */ |
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145 | U8X8_END() /* end of sequence */ |
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146 | }; |
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147 | |
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148 | static const uint8_t u8x8_d_st7528_flip1_seq[] = { |
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149 | U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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150 | U8X8_END_TRANSFER(), /* disable chip */ |
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151 | U8X8_END() /* end of sequence */ |
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152 | }; |
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153 | |
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154 | |
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155 | /* |
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156 | input: |
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157 | one tile (8 Bytes) |
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158 | output: |
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159 | Tile for st7528 (32 Bytes) |
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160 | */ |
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161 | |
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162 | static uint8_t u8x8_st7528_8to32_dest_buf[32]; |
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163 | |
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164 | static uint8_t *u8x8_st7528_8to32(U8X8_UNUSED u8x8_t *u8x8, uint8_t *ptr) |
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165 | { |
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166 | uint8_t v; |
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167 | uint8_t a,b; |
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168 | uint8_t i, j; |
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169 | uint8_t *dest; |
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170 | |
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171 | for( j = 0; j < 4; j++ ) |
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172 | { |
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173 | dest = u8x8_st7528_8to32_dest_buf; |
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174 | dest += j; |
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175 | a =*ptr; |
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176 | ptr++; |
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177 | b = *ptr; |
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178 | ptr++; |
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179 | for( i = 0; i < 8; i++ ) |
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180 | { |
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181 | v = 0; |
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182 | if ( a&1 ) v |= 0xf0; |
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183 | if ( b&1 ) v |= 0x0f; |
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184 | *dest = v; |
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185 | dest+=4; |
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186 | a >>= 1; |
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187 | b >>= 1; |
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188 | } |
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189 | } |
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190 | |
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191 | return u8x8_st7528_8to32_dest_buf; |
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192 | } |
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193 | |
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194 | |
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195 | |
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196 | |
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197 | static uint8_t u8x8_d_st7528_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
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198 | { |
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199 | uint8_t x, y, c; |
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200 | uint8_t *ptr; |
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201 | switch(msg) |
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202 | { |
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203 | /* handled by the calling function |
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204 | case U8X8_MSG_DISPLAY_SETUP_MEMORY: |
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205 | u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7528_display_info); |
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206 | break; |
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207 | */ |
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208 | case U8X8_MSG_DISPLAY_INIT: |
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209 | u8x8_d_helper_display_init(u8x8); |
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210 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_nhd_c160100_init_seq); |
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211 | break; |
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212 | case U8X8_MSG_DISPLAY_SET_POWER_SAVE: |
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213 | if ( arg_int == 0 ) |
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214 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_powersave0_seq); |
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215 | else |
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216 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_powersave1_seq); |
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217 | break; |
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218 | case U8X8_MSG_DISPLAY_SET_FLIP_MODE: |
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219 | if ( arg_int == 0 ) |
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220 | { |
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221 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_flip0_seq); |
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222 | u8x8->x_offset = u8x8->display_info->default_x_offset; |
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223 | } |
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224 | else |
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225 | { |
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226 | u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_flip1_seq); |
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227 | u8x8->x_offset = u8x8->display_info->flipmode_x_offset; |
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228 | } |
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229 | break; |
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230 | #ifdef U8X8_WITH_SET_CONTRAST |
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231 | case U8X8_MSG_DISPLAY_SET_CONTRAST: |
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232 | u8x8_cad_StartTransfer(u8x8); |
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233 | u8x8_cad_SendCmd(u8x8, 0x081 ); |
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234 | u8x8_cad_SendArg(u8x8, arg_int ); /* ssd1326 has range from 0 to 255 */ |
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235 | u8x8_cad_EndTransfer(u8x8); |
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236 | break; |
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237 | #endif |
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238 | case U8X8_MSG_DISPLAY_DRAW_TILE: |
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239 | u8x8_cad_StartTransfer(u8x8); |
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240 | x = ((u8x8_tile_t *)arg_ptr)->x_pos; |
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241 | x *= 4; // not clear |
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242 | |
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243 | y = (((u8x8_tile_t *)arg_ptr)->y_pos); |
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244 | |
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245 | |
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246 | |
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247 | do |
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248 | { |
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249 | c = ((u8x8_tile_t *)arg_ptr)->cnt; |
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250 | ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; |
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251 | |
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252 | do |
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253 | { |
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254 | u8x8_cad_SendCmd(u8x8, 0xb0 | y ); /* set page address */ |
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255 | u8x8_cad_SendCmd(u8x8, 0x10| (x>>4) ); /* set col msb*/ |
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256 | u8x8_cad_SendCmd(u8x8, 0x00| (x&15) ); /* set col lsb*/ |
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257 | |
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258 | u8x8_cad_SendData(u8x8, 32, u8x8_st7528_8to32(u8x8, ptr)); |
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259 | |
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260 | ptr += 8; |
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261 | x += 4; |
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262 | c--; |
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263 | } while( c > 0 ); |
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264 | |
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265 | //x += 4; |
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266 | arg_int--; |
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267 | } while( arg_int > 0 ); |
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268 | |
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269 | u8x8_cad_EndTransfer(u8x8); |
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270 | break; |
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271 | default: |
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272 | return 0; |
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273 | } |
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274 | return 1; |
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275 | } |
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276 | |
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277 | |
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278 | static const u8x8_display_info_t u8x8_st7528_160x100_display_info = |
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279 | { |
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280 | /* chip_enable_level = */ 0, |
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281 | /* chip_disable_level = */ 1, |
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282 | |
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283 | /* post_chip_enable_wait_ns = */ 20, |
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284 | /* pre_chip_disable_wait_ns = */ 20, |
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285 | /* reset_pulse_width_ms = */ 5, |
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286 | /* post_reset_wait_ms = */ 5, /**/ |
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287 | /* sda_setup_time_ns = */ 20, /* st7528 */ |
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288 | /* sck_pulse_width_ns = */ 25, /* st7528 */ |
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289 | /* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */ |
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290 | /* st7528 actually allows 20MHz according to the datasheet */ |
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291 | /* spi_mode = */ 0, /* active high, rising edge */ |
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292 | /* i2c_bus_clock_100kHz = */ 4, |
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293 | /* data_setup_time_ns = */ 40, |
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294 | /* write_pulse_width_ns = */ 80, /* st7528 */ |
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295 | /* tile_width = */ 20, |
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296 | /* tile_hight = */ 13, |
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297 | /* default_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */ |
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298 | /* flipmode_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */ |
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299 | /* pixel_width = */ 160, |
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300 | /* pixel_height = */ 100 |
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301 | }; |
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302 | |
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303 | uint8_t u8x8_d_st7528_nhd_c160100(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
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304 | { |
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305 | if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY ) |
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306 | { |
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307 | u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7528_160x100_display_info); |
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308 | return 1; |
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309 | } |
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310 | return u8x8_d_st7528_generic(u8x8, msg, arg_int, arg_ptr); |
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311 | } |
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312 | |
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313 |