[BP5758D] Fix Sleep

If all channels are set to 0, disable all channels on the driver and then set the driver into sleep-mode
Otherwise wake up the driver when it is sleeping and active all channels
This commit is contained in:
Christian Karsch 2022-10-14 23:37:30 +02:00 committed by GitHub
parent 2523a29da3
commit ee55903e0d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 1 deletions

View File

@ -29,7 +29,7 @@
#define XLGT_08 8
// Layout: Bits B[7:8]=10 (address selection identification bits), B[5:6] sleep mode if set to 00, B[0:4] Address selection
#define BP5758D_ADDR_SLEEP 0x86 //10 00 0110: Sleep mode bits set (OUT1 gray-scale level setup selected, ignored by chip)
#define BP5758D_ADDR_SLEEP 0x80 //10 00 xxxx: Set to sleep mode
#define BP5758D_ADDR_SETUP 0x90 //10 01 0000: OUT1-5 enable/disable setup - used during init
#define BP5758D_ADDR_OUT1_CR 0x91 //10 01 0001: OUT1 current range
#define BP5758D_ADDR_OUT2_CR 0x92 //10 01 0010: OUT2 current range
@ -44,6 +44,7 @@
// Output enabled (OUT1-5, represented by lower 5 bits)
#define BP5758D_ENABLE_OUTPUTS_ALL 0x1F
#define BP5758D_DISABLE_OUTPUTS_ALL 0x00
// Current values: Bit 6 to 0 represent 30mA, 32mA, 16mA, 8mA, 4mA, 2mA, 1mA respectively
#define BP5758D_10MA 0x0A // 0 0001010
@ -106,15 +107,26 @@ void Bp5758dStop(void) {
/********************************************************************************************/
bool Bp5758dSetChannels(void) {
static bool bIsSleeping = false; //Save sleep state of Lamp
uint16_t *cur_col_10 = (uint16_t*)XdrvMailbox.command;
// If we receive 0 for all channels, we'll assume that the lightbulb is off, and activate BP5758d's sleep mode.
if (cur_col_10[0]==0 && cur_col_10[1]==0 && cur_col_10[2]==0 && cur_col_10[3]==0 && cur_col_10[4]==0) {
Bp5758dStart(BP5758D_ADDR_SETUP);
Bp5758dWrite(BP5758D_DISABLE_OUTPUTS_ALL);
Bp5758dStart(BP5758D_ADDR_SLEEP);
Bp5758dStop();
bIsSleeping = true;
return true;
}
if (bIsSleeping) {
bIsSleeping = false; //No need to run it every time a val gets changed
Bp5758dStart(BP5758D_ADDR_SETUP); //Sleep mode gets disabled too since bits 5:6 get set to 01
Bp5758dWrite(BP5758D_ENABLE_OUTPUTS_ALL); //Set all outputs to ON
Bp5758dStop();
}
// Even though we could address changing channels only, in practice we observed that the lightbulb always sets all channels.
Bp5758dStart(BP5758D_ADDR_OUT1_GL);
// Brigtness values are transmitted as two bytes. The light-bulb accepts a 10-bit integer (0-1023) as an input value.