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771 | - | 1 | /**************************************************************************** |
2 | * Copyright (C) 2009-2010 by Claas Anders "CaScAdE" Rathje * |
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3 | * admiralcascade@gmail.com * |
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4 | * Project-URL: http://www.mylifesucks.de/oss/c-strom/ * |
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5 | * * |
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6 | * This program is free software; you can redistribute it and/or modify * |
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7 | * it under the terms of the GNU General Public License as published by * |
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8 | * the Free Software Foundation; either version 2 of the License. * |
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9 | * * |
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10 | * This program is distributed in the hope that it will be useful, * |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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13 | * GNU General Public License for more details. * |
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14 | * * |
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15 | * You should have received a copy of the GNU General Public License * |
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16 | * along with this program; if not, write to the * |
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17 | * Free Software Foundation, Inc., * |
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18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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19 | * * |
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20 | * Thanks to: * |
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21 | * Klaus "akku" Buettner for the hardware * |
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22 | * All people at http://www.rn-wissen.de especially for the i2c stuff * |
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23 | * * |
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24 | ****************************************************************************/ |
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25 | |||
26 | #include <avr/io.h> |
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27 | #include <avr/eeprom.h> |
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28 | #include <avr/pgmspace.h> |
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29 | #include <avr/interrupt.h> |
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30 | #include <util/delay.h> |
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31 | #include <stdlib.h> |
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32 | #include <string.h> |
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33 | #include "C-Strom.h" |
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34 | #include "spi_union.h" |
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35 | #include "i2c_slave.h" |
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36 | |||
37 | uint8_t EEMEM ee_checkbyte1 = CHECKBYTE1; |
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38 | uint8_t EEMEM ee_checkbyte2 = CHECKBYTE2; |
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39 | uint16_t EEMEM ee_cal_ampere = 512; |
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40 | uint8_t EEMEM ee_sensor = 50; |
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41 | uint8_t EEMEM ee_prim_r1 = 47, ee_prim_r2 = 150; |
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42 | uint8_t EEMEM ee_anin_r1 = 47, ee_anin_r2 = 150; |
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43 | uint8_t EEMEM ee_config = 0; |
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44 | |||
45 | volatile uint8_t CSTROM_FLAGS = 0; |
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46 | volatile uint8_t CSTROM_CONFIG = 0; |
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47 | |||
48 | // we could use ee_cal_ampere but eeprom is slow :) |
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49 | volatile uint16_t cal_ampere = 512; |
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50 | volatile uint8_t sensor = 50; |
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51 | volatile uint8_t prim_r1 = 47, prim_r2 = 150; |
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52 | volatile uint8_t anin_r1 = 47, anin_r2 = 150; |
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53 | volatile int16_t ampere, volt, anin_volt, transfer_ampere; |
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54 | volatile int32_t transfer_mah, mah; |
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55 | volatile int16_t average_ampere = 0; |
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56 | volatile uint8_t hwver = 10; |
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57 | // global space for int conversion to string |
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58 | char s[10]; |
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59 | |||
60 | // spi buffer |
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61 | union SPI_buffer_t SPI_buffer; |
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62 | |||
63 | // PD7 High |
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64 | void PD7_H() { |
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65 | PORTD |= (1 << PD7); |
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66 | } |
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67 | |||
68 | // PD7 Low |
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69 | void PD7_L() { |
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70 | PORTD &= ~(1 << PD7); |
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71 | } |
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72 | |||
73 | void (*LED_ON)(void) = PD7_H; |
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74 | void (*LED_OFF)(void) = PD7_L; |
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75 | |||
76 | |||
77 | void ampere_calibrate(); |
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78 | void save_eeprom(); |
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79 | void help(uint8_t); |
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80 | |||
81 | /*ISR(__vector_default) { |
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82 | asm("nop"); |
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83 | }*/ |
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84 | |||
85 | /** |
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86 | * decimal itoa for 10th values |
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87 | */ |
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88 | char *itoa_dec(int val, char* s) { |
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89 | itoa(val, s, 10); |
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90 | //char x = 0; |
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91 | for (uint8_t i = 0; i < 9; i++) { |
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92 | if (s[i] == 0 && i > 0) { |
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93 | if (i == 1) { |
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94 | s[i+1] = s[i-1]; |
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95 | s[i-1] = '0'; |
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96 | s[i] = '.'; |
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97 | s[i+2] = 0; |
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98 | } else { |
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99 | s[i] = s[i-1]; |
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100 | s[i-1] = '.'; |
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101 | s[i+1] = 0; |
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102 | } |
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103 | break; |
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104 | } |
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105 | } |
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106 | return s; |
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107 | } |
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108 | |||
109 | /** |
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110 | * init uart |
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111 | */ |
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112 | void uart_init() { |
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113 | UBRRL = (F_CPU / (16UL * BAUD_RATE)) - 1; |
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114 | |||
115 | // Enable receiver and transmitter; enable RX interrupt |
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116 | UCSRB = (1 << RXEN) | (1 << TXEN) | (1 << RXCIE); |
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117 | |||
118 | //asynchronous 8N1 |
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119 | UCSRC = (1 << URSEL) | (3 << UCSZ0); |
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120 | } |
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121 | |||
122 | /** |
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123 | * send a single <character> through uart |
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124 | */ |
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125 | void uart_putc(unsigned char character) { |
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126 | // wait until UDR ready |
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127 | while (!(UCSRA & (1 << UDRE))); |
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128 | UDR = character; |
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129 | } |
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130 | |||
131 | /** |
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132 | * send a <string> throught uart |
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133 | */ |
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134 | void uart_puts(char *s) { |
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135 | while (*s) { |
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136 | uart_putc(*s); |
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137 | s++; |
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138 | } |
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139 | } |
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140 | |||
141 | /** |
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142 | * send a <string> from pgm space throught uart |
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143 | */ |
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144 | void uart_puts_pgm(char *string) { |
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145 | while (pgm_read_byte(string) != 0x00) |
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146 | uart_putc(pgm_read_byte(string++)); |
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147 | } |
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148 | |||
149 | /** |
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150 | * change the sensor type |
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151 | */ |
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152 | void sensor_change(uint8_t new_value) { |
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153 | if (new_value < 10) new_value = 0; |
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154 | else if (new_value > 250) new_value = 250; |
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155 | sensor = new_value; |
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156 | uart_puts_pgm(PSTR("\r\nSensor is now: ")); |
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157 | uart_puts(itoa(sensor, s, 10)); |
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158 | uart_puts("A\r\n"); |
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159 | } |
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160 | |||
161 | /** |
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162 | * change the r2 value |
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163 | */ |
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164 | void r2_change(uint8_t which, uint8_t new_value) { |
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165 | if (which == V_ANIN) { |
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166 | uart_puts_pgm(PSTR("\r\nANIN R2 is now: ")); |
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167 | anin_r2 = new_value; |
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168 | uart_puts(itoa_dec(anin_r2, s)); |
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169 | } else { |
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170 | uart_puts_pgm(PSTR("\r\nPRIMARY R2 is now: ")); |
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171 | prim_r2 = new_value; |
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172 | uart_puts(itoa_dec(prim_r2, s)); |
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173 | } |
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174 | uart_puts_pgm(PSTR("kOhm\r\n")); |
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175 | } |
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176 | |||
177 | /** |
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178 | * enable/disable TWI |
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179 | */ |
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180 | void twi_change() { |
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181 | uart_puts_pgm(PSTR("\r\nTWI turned ")); |
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182 | if (CSTROM_CONFIG & CSTROM_TWI) { |
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183 | uart_puts_pgm(PSTR("ON")); |
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184 | } else { |
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185 | uart_puts_pgm(PSTR("OFF")); |
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186 | } |
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187 | uart_puts_pgm(PSTR(". Please restart...\r\n")); |
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188 | } |
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189 | |||
190 | |||
191 | |||
192 | |||
193 | /** |
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194 | * Interrupt handler for received data through UART1 |
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195 | */ |
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196 | SIGNAL(SIG_UART_RECV) { |
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197 | unsigned char c = UDR; |
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198 | switch (c) { |
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199 | case 'c': |
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200 | ampere_calibrate(); |
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201 | break; |
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202 | case 's': |
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203 | save_eeprom(); |
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204 | break; |
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205 | case '+': |
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206 | sensor_change(100); |
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207 | break; |
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208 | case '-': |
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209 | sensor_change(50); |
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210 | break; |
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211 | case 'e': |
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212 | if (hwver == 11) r2_change(V_ANIN, anin_r2 + 1); |
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213 | break; |
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214 | case 'd': |
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215 | if (hwver == 11) r2_change(V_ANIN, anin_r2 - 1); |
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216 | break; |
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217 | case 'r': |
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218 | r2_change(V_PRIMARY, prim_r2 + 1); |
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219 | break; |
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220 | case 'f': |
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221 | r2_change(V_PRIMARY, prim_r2 - 1); |
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222 | break; |
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223 | case 'T': |
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224 | CSTROM_CONFIG ^= CSTROM_TWI; |
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225 | twi_change(); |
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226 | break; |
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227 | case 'h': |
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228 | help(0); |
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229 | break; |
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230 | default: |
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231 | asm("nop"); // :-) |
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232 | } |
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233 | } |
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234 | |||
235 | /** |
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236 | * Interrupt handler for transmitting data through UART1 |
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237 | */ |
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238 | SIGNAL(SIG_UART_TRANS) { |
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239 | } |
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240 | |||
241 | /** |
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242 | * Read out the ADC channel <channel> |
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243 | */ |
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244 | uint16_t readADC(uint8_t channel) { |
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245 | uint8_t i; |
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246 | uint16_t result = 0; |
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247 | |||
248 | // enable ADC and set clk div to 64 |
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249 | ADCSRA = (1<<ADEN) | (1<<ADPS2) | (1<<ADPS1); |
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250 | |||
251 | _delay_us(5); |
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252 | |||
253 | // set up channel |
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254 | ADMUX = channel; |
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255 | // use internal reference |
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256 | //ADMUX |= (1<<REFS1) | (1<<REFS0); |
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257 | |||
258 | // init ADC for a dummy readout |
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259 | ADCSRA |= (1<<ADSC); |
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260 | // wait for conversion to be complete |
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261 | while(ADCSRA & (1<<ADSC)); |
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262 | |||
263 | // read in three times and get the average |
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264 | for(i=0; i<3; i++) { |
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265 | // start conversion |
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266 | ADCSRA |= (1<<ADSC); |
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267 | |||
268 | // wait for conversion to be complete |
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269 | while(ADCSRA & (1<<ADSC)); |
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270 | |||
271 | // add up result |
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272 | result += ADCW; |
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273 | } |
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274 | |||
275 | // disable ADC |
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276 | ADCSRA &= ~(1<<ADEN); |
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277 | |||
278 | // get average |
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279 | result /= 3; |
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280 | |||
281 | return result; |
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282 | } |
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283 | |||
284 | |||
285 | /** |
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286 | * init SPI slave interrupt conrolled |
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287 | */ |
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288 | void Init_Slave_IntContr (void) { |
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289 | volatile char IOReg; |
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290 | // Set PB4(MISO) as output |
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291 | DDRB = (1<<PB4); |
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292 | // MOSI Pullup |
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293 | PORTB |= _BV(3); |
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294 | // Enable SPI Interrupt and SPI in Slave Mode |
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295 | SPCR = (1<<SPIE)|(1<<SPE); |
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296 | IOReg = SPSR; // Clear SPIF bit in SPSR |
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297 | IOReg = SPDR; |
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298 | SPCR |= _BV(SPIE); // duplicated |
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299 | } |
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300 | |||
301 | |||
302 | |||
303 | /** |
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304 | * SPI interrupt handling |
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305 | */ |
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306 | ISR(SPI_STC_vect) { |
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307 | LED_ON(); |
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308 | |||
309 | unsigned char foo; |
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310 | foo = SPDR; |
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311 | //uart_putc(foo); |
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312 | switch (foo) { |
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313 | case 'A': // requested ampere high bits for next transmission |
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314 | CSTROM_FLAGS |= CSTROM_SPILOCKED; |
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315 | foo = SPI_buffer.buffer.c[0]; |
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316 | break; |
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317 | case 'B': // requested low bits |
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318 | foo = SPI_buffer.buffer.c[1]; |
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319 | break; |
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320 | case 'C': // wasted ampere high bits in next |
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321 | foo = SPI_buffer.buffer.c[2]; |
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322 | break; |
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323 | case 'D': // 2nd highest 8bits |
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324 | foo = SPI_buffer.buffer.c[3]; |
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325 | break; |
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326 | case 'E': // 3rd highest 8bits |
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327 | foo = SPI_buffer.buffer.c[4]; |
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328 | break; |
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329 | case 'F': // lowest 8bits |
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330 | foo = SPI_buffer.buffer.c[5]; |
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331 | break; |
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332 | case 'G': // lowest 8bits |
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333 | foo = SPI_buffer.buffer.c[6]; |
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334 | break; |
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335 | case 'H': // lowest 8bits |
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336 | foo = SPI_buffer.buffer.c[7]; |
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337 | break; |
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338 | case 'I': // challange over |
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339 | foo = 'd'; // done :) |
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340 | CSTROM_FLAGS &= ~CSTROM_SPILOCKED; |
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341 | break; |
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342 | default: // what else? nothin now |
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343 | foo = 'X'; |
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344 | } |
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345 | // write back foo in next transmission |
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346 | SPDR = foo; |
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347 | |||
348 | //uart_putc(foo); |
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349 | |||
350 | LED_OFF(); |
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351 | } |
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352 | |||
353 | /** |
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354 | * read data saved in eeprom |
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355 | */ |
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356 | void get_eeprom() { |
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357 | if (eeprom_read_byte(&ee_checkbyte1) == CHECKBYTE1 && eeprom_read_byte(&ee_checkbyte2) == CHECKBYTE2) { |
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358 | uart_puts("\tLoading data from eeprom..."); |
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359 | sensor = eeprom_read_byte(&ee_sensor); |
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360 | cal_ampere = eeprom_read_word(&ee_cal_ampere); |
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361 | anin_r1 = eeprom_read_byte(&ee_anin_r1); |
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362 | anin_r2 = eeprom_read_byte(&ee_anin_r2); |
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363 | prim_r1 = eeprom_read_byte(&ee_prim_r1); |
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364 | prim_r2 = eeprom_read_byte(&ee_prim_r2); |
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365 | CSTROM_CONFIG = eeprom_read_byte(&ee_config); |
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366 | uart_puts("done\r\n"); |
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367 | } else { |
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368 | uart_puts("\tNo data found in eeprom, using default data...\r\n"); |
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369 | } |
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370 | } |
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371 | |||
372 | /** |
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373 | * save data to eeprom |
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374 | */ |
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375 | void save_eeprom() { |
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376 | uart_puts("\r\nSaving data to eeprom..."); |
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377 | eeprom_write_byte(&ee_checkbyte1, CHECKBYTE1); |
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378 | eeprom_write_byte(&ee_checkbyte2, CHECKBYTE2); |
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379 | eeprom_write_byte(&ee_sensor, sensor); |
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380 | eeprom_write_word(&ee_cal_ampere, cal_ampere); |
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381 | //if (hwver == 11) { |
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382 | // why not saving when not needed, there is space |
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383 | eeprom_write_byte(&ee_anin_r1, anin_r1); |
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384 | eeprom_write_byte(&ee_anin_r2, anin_r2); |
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385 | //} |
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386 | eeprom_write_byte(&ee_prim_r1, prim_r1); |
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387 | eeprom_write_byte(&ee_prim_r2, prim_r2); |
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388 | eeprom_write_byte(&ee_config, CSTROM_CONFIG); |
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389 | uart_puts("done\r\n"); |
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390 | } |
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391 | |||
392 | /** |
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393 | * calibrate the current sensor... has to be 0A during this time! |
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394 | */ |
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395 | void ampere_calibrate() { |
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396 | cli(); |
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397 | uart_puts("\r\nCalibrating..."); |
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398 | uint16_t temp_cal = 0; |
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399 | for (uint8_t i = 0; i < 10; i++) { |
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400 | temp_cal += readADC(0); |
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401 | uart_puts("#"); |
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402 | _delay_ms(100); |
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403 | } |
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404 | cal_ampere = temp_cal / 10; |
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405 | uart_puts("done. Offset is now: "); |
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406 | uart_puts(itoa(cal_ampere, s, 10)); |
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407 | uart_puts("\r\n"); |
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408 | sei(); |
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409 | } |
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410 | |||
411 | |||
412 | volatile uint16_t timer = 0, cs = 0; |
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413 | /** |
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414 | * init timer0 |
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415 | */ |
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416 | void init_timer0(void){ |
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417 | // set up timer |
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418 | TCCR0 |= (1 << CS00) | (1 << CS01); // timer0 prescaler 64 |
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419 | TIMSK |= (1 << TOIE0); // enable overflow timer0 |
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420 | } |
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421 | |||
422 | /** |
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423 | * timer overflow handler, should be 1ms |
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424 | */ |
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425 | SIGNAL(SIG_OVERFLOW0) { |
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426 | TCNT0 = 131; // preload |
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427 | timer++; |
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428 | // this should be 100ms |
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429 | if (timer == 100) { |
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430 | timer = 0; |
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431 | cs++; |
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432 | average_ampere += ampere; |
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433 | CSTROM_FLAGS |= CSTROM_WRITEUART; |
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434 | } |
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435 | // this should be 1s |
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436 | if (cs == 10) { |
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437 | cs = 0; |
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438 | mah += average_ampere / 360; |
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439 | average_ampere = 0; |
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440 | } |
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441 | } |
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442 | |||
443 | /** |
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444 | * write <len> through uart spaces |
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445 | */ |
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446 | void write_space(uint8_t len) { |
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447 | while (len--) { |
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448 | uart_putc(' '); |
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449 | } |
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450 | } |
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451 | |||
452 | |||
453 | |||
454 | /** |
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455 | * check which hardware version we have here |
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456 | */ |
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457 | void check_hw() { |
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458 | // check if pin was output and has pullup |
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459 | uint8_t old_DDRD7 = DDRD & (1 << PD7); |
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460 | uint8_t old_PORTD7 = PORTD & (1 << PD7); |
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461 | |||
462 | // if it was, make it input |
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463 | if (old_DDRD7) DDRD &= ~(1 << PD7); // PD7 input (LED) |
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464 | if (!old_PORTD7) PORTD |= (1 << PD7); // PD7 enable pullup (LED) |
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465 | |||
466 | |||
467 | if (PIND & (1 << PD7)) { |
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468 | hwver = 11; |
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469 | LED_ON = PD7_L; |
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470 | LED_OFF = PD7_H; |
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471 | } |
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472 | |||
473 | |||
474 | // output again |
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475 | if (!old_PORTD7) PORTD &= ~(1 << PD7); // PD7 disable pullup (LED) |
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476 | if (old_DDRD7) DDRD |= (1 << PD7); // PD7 output (LED) |
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477 | } |
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478 | |||
479 | |||
480 | /** |
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481 | * call for help whenever needed |
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482 | */ |
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483 | void help(uint8_t load) { |
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484 | uart_puts_pgm(PSTR("\r\nC-STROM\r\n\tBUILD: ")); |
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485 | uart_puts_pgm(PSTR(BUILDDATE)); |
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486 | uart_puts("\r\n\tHW: "); |
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487 | uart_puts(itoa_dec(hwver, s)); |
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488 | |||
489 | uart_puts("\r\n"); |
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490 | |||
491 | if (load) get_eeprom(); |
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492 | |||
493 | uart_puts_pgm(PSTR("\tSensor: ")); |
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494 | uart_puts(itoa(sensor, s, 10)); |
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495 | uart_puts_pgm(PSTR("A\tCalibration: ")); |
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496 | uart_puts(itoa(cal_ampere, s, 10)); |
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497 | |||
498 | uart_puts_pgm(PSTR("\r\n\tTWI is ")); |
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499 | if (CSTROM_CONFIG & CSTROM_TWI) { |
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500 | uart_puts_pgm(PSTR("ON, SPI may not work!!!")); |
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501 | } else { |
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502 | uart_puts_pgm(PSTR("OFF")); |
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503 | } |
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504 | |||
505 | |||
506 | uart_puts_pgm(PSTR("\r\n\tPIMARY R2: ")); |
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507 | uart_puts(itoa_dec(prim_r2, s)); |
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508 | if (hwver == 11) { |
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509 | uart_puts_pgm(PSTR("kOhm")); |
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510 | uart_puts_pgm(PSTR("\tANIN R2: ")); |
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511 | uart_puts(itoa_dec(anin_r2, s)); |
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512 | } |
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513 | uart_puts_pgm(PSTR("kOhm\r\n")); |
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514 | |||
515 | uart_puts_pgm(PSTR("\tCommands available:\r\n")); |
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516 | uart_puts_pgm(PSTR("\t\th : help on commands (this)\r\n")); |
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517 | uart_puts_pgm(PSTR("\t\tc : calibrate ampere\r\n")); |
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518 | uart_puts_pgm(PSTR("\t\tT : toggle TWI (may break SPI communication!)\r\n")); |
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519 | uart_puts_pgm(PSTR("\t\t+/- : to change sensor\r\n")); |
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520 | uart_puts_pgm(PSTR("\t\tr/f : to change PRIMARY-R2 Value\r\n")); |
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521 | if (hwver == 11) { |
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522 | uart_puts_pgm(PSTR("\t\te/d : to change ANIN-R2 Value\r\n")); |
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523 | } |
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524 | uart_puts_pgm(PSTR("\t\ts : save values\r\n")); |
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525 | uart_puts_pgm(PSTR("\tnow enjoy it and have fun...\r\n\r\n")); |
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526 | } |
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527 | |||
528 | |||
529 | /** |
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530 | * Main |
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531 | */ |
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532 | int main (void) { |
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533 | DDRD |= (1 << PD7); // PD7 output (LED) |
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534 | |||
535 | check_hw(); |
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536 | uart_init(); |
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537 | |||
538 | Init_Slave_IntContr(); |
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539 | init_timer0(); |
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540 | |||
541 | sei(); // Enable Global Interrupts |
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542 | |||
543 | uart_puts("\x1B[2J\x1B[H"); // clear serial |
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544 | |||
545 | help(1); |
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546 | |||
547 | if (CSTROM_CONFIG & CSTROM_TWI) init_twi_slave(CSTROM_I2C); |
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548 | |||
549 | int16_t raw_volt = 0, raw_ampere = 0, raw_aninvolt = 0; |
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550 | char c[10] = " "; |
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551 | c[9] = 0; |
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552 | |||
553 | //strom_data = *((SPI_strom_data_t*) &spi_buffer); |
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554 | //*spi_buffer = *((uint8_t*) (void*) &strom_data); |
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555 | |||
556 | LED_ON(); |
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557 | |||
558 | while (1) { // Loop Forever |
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559 | |||
560 | // we have got a normal voltage measuring circuit that takes the lipo-voltage |
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561 | raw_volt = readADC(1); |
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562 | /* according to what i read about voltage divider it is |
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563 | Uo = Ue * (R1 / (R2 + R1)) |
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564 | Ue = Uo * (R2 + R1) / R1 |
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565 | the board has got r1 = 4.7k and r2 = 15k |
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566 | but since 1step is 0,0048828125V = 4,8828125mV and not 5mV there |
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567 | is some conversion to do for raw_volt --**-> Uo |
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568 | this should end up in 10th of volts */ |
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569 | raw_volt = ((uint32_t)raw_volt * (uint32_t)48828) / (uint32_t)10000; |
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570 | volt = (int16_t) (((uint32_t)raw_volt * (uint32_t)(prim_r1 + prim_r2)) / (uint32_t)prim_r1) / 100; |
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571 | if (volt < 0) volt = 0; |
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572 | |||
573 | // and we have got a seccond voltage measuring circuit for user voltages |
||
574 | raw_aninvolt = readADC(2); |
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575 | /* some conversion to do for raw_volt --**-> Uo |
||
576 | this should end up in 10th of volts */ |
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577 | raw_aninvolt = ((uint32_t)raw_aninvolt * (uint32_t)48828) / (uint32_t)10000; |
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578 | anin_volt = (int16_t) (((uint32_t)raw_aninvolt * (uint32_t)(anin_r1 + anin_r2)) / (uint32_t)anin_r1) / 100; |
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579 | if (anin_volt < 0) anin_volt = 0; |
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580 | |||
581 | raw_ampere = readADC(0); |
||
582 | /* according to datasheet sensitivity is nominal 40mV per A for the 50A chip |
||
583 | this would mean 50A ^= 2V since 0A is set to 2.5V output Voltage we get |
||
584 | a range of 0.5V till 4.5V for the full range. |
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585 | the atmega ADC features 0...5V range divided into 10bit ^= 1024 steps |
||
586 | so 0,0048828125V, or 4,8828125mV, is one step |
||
587 | this leads us to 0,8192 steps per 0,1A and somehow the below formula |
||
588 | and i know that 32bit is evil, but what else does this device has to do? :) |
||
589 | this should end up in 100th of ampere */ |
||
590 | ampere = (int16_t) (((int32_t)(((int16_t)raw_ampere - (int16_t)cal_ampere)) * (int32_t)10000) / (int32_t) 819); |
||
591 | if (sensor == 100) ampere *= 2; |
||
592 | |||
593 | if ((CSTROM_FLAGS & CSTROM_WRITEUART)) { |
||
594 | uart_puts("V: "); |
||
595 | uart_puts(itoa_dec(volt, s)); |
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596 | write_space(10-strlen(s)); |
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597 | |||
598 | uart_puts("AN-IN V: "); |
||
599 | uart_puts(itoa_dec(anin_volt, s)); |
||
600 | write_space(10-strlen(s)); |
||
601 | |||
602 | uart_puts("A: "); |
||
603 | uart_puts(itoa(ampere, s, 10)); |
||
604 | write_space(10-strlen(s)); |
||
605 | |||
606 | uart_puts("C: "); |
||
607 | uart_puts(itoa(mah, s, 10)); |
||
608 | write_space(10-strlen(s)); |
||
609 | |||
610 | uart_puts("\r"); |
||
611 | CSTROM_FLAGS &= ~CSTROM_WRITEUART; |
||
612 | } |
||
613 | |||
614 | //spi_buff |
||
615 | if (!(CSTROM_FLAGS & CSTROM_SPILOCKED)) { |
||
616 | // TESTTING |
||
617 | if (!(CSTROM_CONFIG & CSTROM_TWI)) CSTROM_FLAGS |= CSTROM_SPILOCKED; |
||
618 | SPI_buffer.data.ampere = ampere; |
||
619 | SPI_buffer.data.mah = mah; |
||
620 | if (hwver == 11) { |
||
621 | SPI_buffer.data.volt = anin_volt; |
||
622 | } else { |
||
623 | SPI_buffer.data.volt = volt; |
||
624 | } |
||
625 | } |
||
626 | } |
||
627 | return 0; |
||
628 | } |