Apple-2-HW
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afterburner
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Added some comments for clearnes

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HubertH 2024-02-14 22:59:57 +01:00 committed by GitHub
parent 2e88c0324d
commit 84481ab77d
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1 changed files with 8 additions and 7 deletions
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afterburner.ino
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@ -37,7 +37,7 @@
*/
#define VERSION "0.5.6"
#define VERSION "0.5.6hh"
//#define DEBUG_PES
//#define DEBUG_VERIFY
@ -832,7 +832,7 @@ static void setVCC(char on) {
static void setVPP(char on) {
// new board desgin
if (varVppExists) {
uint8_t v = VPP_11V0;
uint8_t v; // v is recalculated in each case; initialization of the variable is unnecessary
// when PES is read the VPP is not determined via PES
if (on == READPES) {
@ -843,14 +843,15 @@ static void setVPP(char on) {
}
} else {
//safety check
if (vpp < 36) {
vpp = 36; //9V
if (vpp < 36) { // set minimum to 9V0
vpp = 36; //9V // ==> v = (36 / 2) - 18 = 0 ==> VPP_9V0
} else
if (vpp > 66) {
vpp = 40; //12V
if (vpp > 66) { // set maximum to 10V0
vpp = 40; //12V // ==> v = (40 / 2) - 18 = 2 ==> VPP_10V0
}
// 36 <= vpp <=66 ==> v = 0 ... 15 ==> VPP_9V0 ... VPP_16V5
v = (vpp >> 1) - 18; // 18: 2 * 9V, resolution 0.5V (not 0.25V) hence 'vpp >> 1'
#if 0
#if 1
Serial.print(F("setVPP "));
Serial.print(vpp);
Serial.print(F(" index="));