third-party
/
HamShield
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fixed frequency calculation per data sheet 

fixed frequency calculation per data sheet. this should be a 16
multiplier now vs. 8 for the old RDA 1846.
This commit is contained in:
Casey Halverson 2015-07-02 13:55:16 -07:00
parent ed06aea086
commit 81fc8a6566
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
HamShield.cpp
View File

@ -254,7 +254,7 @@ void HamShield::softReset() {
void HamShield::setFrequency(uint32_t freq_khz) { void HamShield::setFrequency(uint32_t freq_khz) {
radio_frequency = freq_khz; radio_frequency = freq_khz;
uint32_t freq_raw = freq_khz << 3; // shift by 3 to multiply by 8 uint32_t freq_raw = freq_khz << 4; // shift by 4 to multiply by 16 (was shift by 3 in old 1846 chip)
// send top 16 bits to A1846S_FREQ_HI_REG // send top 16 bits to A1846S_FREQ_HI_REG
uint16_t freq_half = (uint16_t) (0x3FFF & (freq_raw >> 16)); uint16_t freq_half = (uint16_t) (0x3FFF & (freq_raw >> 16));