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GPS - Add satellite strength bargraphs to OLED display.

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This commit is contained in:
Dominic Clifton 2014-12-13 21:58:54 +00:00
parent e8dbb77db5
commit d8b5f6c60c
6 changed files with 38 additions and 12 deletions
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11
src/main/io/display.c
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@ -282,11 +282,22 @@ void showProfilePage(void)
i2c_OLED_send_string(lineBuffer);
}
#define SATELLITE_COUNT (sizeof(GPS_svinfo_cno) / sizeof(GPS_svinfo_cno[0]))
#define SATELLITE_GRAPH_LEFT_OFFSET ((SCREEN_CHARACTER_COLUMN_COUNT - SATELLITE_COUNT) / 2)
#ifdef GPS
void showGpsPage() {
uint8_t rowIndex = PAGE_TITLE_LINE_COUNT;
i2c_OLED_set_xy(max(0, SATELLITE_GRAPH_LEFT_OFFSET), rowIndex++);
uint32_t index;
for (index = 0; index < SATELLITE_COUNT && index < SCREEN_CHARACTER_COLUMN_COUNT; index++) {
uint8_t bargraphValue = ((uint16_t) GPS_svinfo_cno[index] * VERTICAL_BARGRAPH_CHARACTER_COUNT) / (GPS_DBHZ_MAX - 1);
bargraphValue = min(bargraphValue, VERTICAL_BARGRAPH_CHARACTER_COUNT - 1);
i2c_OLED_send_char(VERTICAL_BARGRAPH_ZERO_CHARACTER + bargraphValue);
}
char fixChar = STATE(GPS_FIX) ? 'Y' : 'N';
tfp_sprintf(lineBuffer, "Satellites: %d Fix: %c", GPS_numSat, fixChar);
padLineBuffer();