[BP5758D] Fix Sleep

BP5758D outputs have to be disabled before sleep.
See https://github.com/openshwprojects/OpenBK7231T_App/issues/221
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DSchndr 2022-10-07 02:33:32 +02:00 committed by GitHub
parent bc8cc520a2
commit e4778deb42
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1 changed files with 20 additions and 6 deletions

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@ -29,7 +29,7 @@
#define XLGT_08 8 #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 // 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 0110: Sleep mode bits set (OUT1-5 enable setup selected, ignored by chip)
#define BP5758D_ADDR_SETUP 0x90 //10 01 0000: OUT1-5 enable/disable setup - used during init #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_OUT1_CR 0x91 //10 01 0001: OUT1 current range
#define BP5758D_ADDR_OUT2_CR 0x92 //10 01 0010: OUT2 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) // Output enabled (OUT1-5, represented by lower 5 bits)
#define BP5758D_ENABLE_OUTPUTS_ALL 0x1F #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 // Current values: Bit 6 to 0 represent 30mA, 32mA, 16mA, 8mA, 4mA, 2mA, 1mA respectively
#define BP5758D_10MA 0x0A // 0 0001010 #define BP5758D_10MA 0x0A // 0 0001010
@ -52,6 +53,8 @@
#define BP5758D_65MA 0x63 // 0 1100011 #define BP5758D_65MA 0x63 // 0 1100011
#define BP5758D_90MA 0x7C // 0 1111100 #define BP5758D_90MA 0x7C // 0 1111100
bool bIsSleeping = false; //Save sleep state of Lamp
struct BP5758D { struct BP5758D {
uint8_t clk = 0; uint8_t clk = 0;
uint8_t data = 0; uint8_t data = 0;
@ -110,11 +113,22 @@ bool Bp5758dSetChannels(void) {
// If we receive 0 for all channels, we'll assume that the lightbulb is off, and activate BP5758d's sleep mode. // 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) { 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_SLEEP); BP5758DStart(BP5758D_ADDR_SLEEP);
Bp5758dStop(); bIsSleeping = true;
return true; BP5758DStart(BP5758D_ADDR_SETUP); //Select B1: Output enable setup
BP5758DWriteByte(BP5758D_DISABLE_OUTPUTS_ALL); //Set all outputs to OFF
BP5758DStop(); //Stop transmission since we have to set Sleep mode (can probably be removed)
BP5758DStart(BP5758D_ADDR_SLEEP); //Enable sleep mode
BP5758DStop();
return;
} }
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
BP5758DWriteByte(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. // Even though we could address changing channels only, in practice we observed that the lightbulb always sets all channels.
Bp5758dStart(BP5758D_ADDR_OUT1_GL); 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. // Brigtness values are transmitted as two bytes. The light-bulb accepts a 10-bit integer (0-1023) as an input value.
@ -146,7 +160,7 @@ void Bp5758dModuleSelected(void)
// Output enabled: enable all outputs since we're using a RGBCW light // Output enabled: enable all outputs since we're using a RGBCW light
Bp5758dWrite(BP5758D_ENABLE_OUTPUTS_ALL); Bp5758dWrite(BP5758D_ENABLE_OUTPUTS_ALL);
// Set currents for OUT1-OUT5 // Set currents for OUT1-OUT5
Bp5758dWrite(BP5758D_14MA); Bp5758dWrite(BP5758D_14MA); //TODO: Make this configurable
Bp5758dWrite(BP5758D_14MA); Bp5758dWrite(BP5758D_14MA);
Bp5758dWrite(BP5758D_14MA); Bp5758dWrite(BP5758D_14MA);
Bp5758dWrite(BP5758D_14MA); Bp5758dWrite(BP5758D_14MA);